Weather observations for the past three days for
Half Moon Bay Airport
Metric (Imperial)
Date Time (pdt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
05 20:35 Calm 16.09 Overcast OVC027 14 13 94% 76.33 0.0
05 20:15 Calm 16.09 Overcast OVC027 14 13 94% 76.3 0.0
05 19:55 W 7 14.48 Overcast OVC027 14 13 94% 76.3 0.0
05 19:35 W 11 16.09 Overcast OVC028 0 0 0% 76.28 0.0
05 19:15 W 11 14.48 Overcast OVC028 14 13 94% 76.28 0.0
05 18:55 W 9 16.09 Overcast OVC028 0 0 0% 76.28 0.0
05 18:35 W 11 16.09 Overcast OVC028 14 13 94% 76.28 0.0
05 18:15 W 11 16.09 Overcast OVC029 15 14 94% 76.28 0.0
05 17:55 W 11 16.09 Overcast FEW013 OVC029 15 14 94% 76.28 0.0
05 17:35 W 11 16.09 Overcast OVC029 14 14 100% 76.25 0.0
05 17:15 NW 9 16.09 Overcast OVC030 15 14 94% 76.25 0.0
05 16:55 NW 13 16.09 Overcast OVC030 14 14 100% 76.25 0.0
05 16:35 NW 11 16.09 Overcast OVC031 15 14 94% 76.25 0.0
05 16:15 NW 11 16.09 Overcast FEW015 OVC030 15 14 94% 76.25 0.0
05 15:55 NW 11 16.09 Overcast OVC029 15 13 88% 76.25 0.0
05 15:35 W 15 16.09 Overcast OVC029 15 13 88% 76.25 0.0
05 15:15 W 13 16.09 Overcast OVC030 16 13 83% 76.25 0.0
05 14:55 NW 15 16.09 Overcast OVC030 16 14 88% 76.28 0.0
05 14:35 W 13 16.09 Overcast OVC033 15 14 94% 76.28 0.0
05 14:15 NW 13 16.09 Overcast OVC032 15 14 94% 76.28 0.0
05 13:55 NW 13 14.48 Overcast OVC033 16 13 83% 76.28 0.0
05 13:35 NW 15 16.09 Overcast OVC033 16 13 83% 76.28 0.0
05 13:15 NW 17 14.48 Overcast OVC034 16 13 83% 76.28 0.0
05 12:55 W 15 16.09 Overcast BKN034 OVC065 16 14 88% 76.28 0.0
05 12:35 NW 13 16.09 Overcast FEW013 BKN035 OVC065 15 14 94% 76.3 0.0
05 12:15 NW 13 16.09 Overcast FEW013 OVC050 0 0 0% 76.28 0.0
05 11:55 NW 15 16.09 Overcast FEW013 FEW020 OVC050 15 14 94% 76.28 0.0
05 11:35 NW 17 14.48 Overcast FEW012 BKN055 OVC070 15 14 94% 76.28 0.0
05 11:15 NW 13 16.09 Overcast FEW016 BKN037 OVC065 14 14 100% 76.25 0.0
05 10:55 NW 11 14.48 Overcast FEW013 BKN032 OVC050 14 14 100% 76.25 0.0
05 10:35 NW 13 16.09 Overcast BKN032 OVC050 0 0 0% 76.25 0.0
05 10:15 NW 7 14.48 Mostly Cloudy FEW008 SCT013 BKN028 13 13 100% 76.23 0.0
05 09:55 N 7 14.48 Mostly Cloudy SCT008 BKN012 BKN018 13 13 100% 76.23 0.0
05 09:35 Calm 14.48 Overcast BKN013 BKN018 OVC027 0 0 0% 76.23 0.0
05 09:15 Calm 2.41 Fog/Mist BKN013 BKN017 OVC022 12 12 100% 76.23 0.0
05 08:55 Calm 12.87 Overcast BKN014 OVC021 13 13 100% 76.2 0.0
05 08:35 Calm 16.09 Overcast BKN016 OVC021 12 12 100% 76.2 0.0
05 08:15 Calm 14.48 Overcast BKN019 BKN024 OVC050 12 12 100% 76.2 0.0
05 07:55 Calm 14.48 Overcast FEW020 FEW025 OVC050 12 12 100% 76.17 0.0
05 07:35 Calm 14.48 Overcast FEW019 OVC055 12 12 100% 76.17 0.0
05 07:15 Calm 12.87 Overcast FEW017 OVC055 11 11 100% 76.17 0.0
05 06:55 E 6 14.48 Overcast OVC060 11 11 100% 76.17 0.0
05 06:35 E 6 14.48 Overcast FEW017 OVC060 11 11 100% 76.15 0.0
05 06:15 Calm 16.09 Overcast FEW017 FEW049 OVC055 11 11 100% 76.12 0.0
05 05:55 Calm 16.09 Overcast FEW048 OVC055 11 11 100% 76.15 0.0
05 05:35 Calm 16.09 Overcast FEW036 OVC060 11 11 100% 76.15 0.0
05 05:15 SE 6 16.09 Overcast FEW037 OVC055 0 0 0% 76.15 0.0
05 04:55 S 7 16.09 Overcast FEW021 BKN040 OVC060 11 11 100% 76.15 0.0
05 04:35 SE 7 14.48 Overcast FEW015 BKN022 OVC030 11 11 100% 76.17 0.0
05 04:15 Calm 14.48 Mostly Cloudy FEW015 SCT024 BKN028 11 11 100% 76.15 0.0
05 03:55 Calm 14.48 Overcast SCT029 BKN035 OVC055 11 11 100% 76.15 0.0 0.03
05 03:35 Calm 14.48 Overcast FEW014 BKN030 OVC036 11 11 100% 76.15 0.0
05 03:15 Calm 9.66 Fog/Mist FEW016 SCT022 BKN027 11 11 100% 76.15 0.0
05 02:55 Calm 9.66 Fog/Mist FEW022 BKN026 OVC043 11 11 100% 76.17 0.0 0.03
05 02:35 Calm 16.09 Overcast FEW017 SCT027 OVC036 11 11 100% 76.17 0.0
05 02:15 Calm 8.05 Fog/Mist SCT019 SCT037 OVC070 11 11 100% 76.2 0.0
05 01:55 Calm 8.05 Fog/Mist OVC070 11 11 100% 76.2 0.0 0.1
05 01:35 Calm 12.87 Overcast FEW060 OVC075 11 11 100% 76.17 0.0
05 01:15 Calm 9.66 Fog/Mist FEW034 FEW042 OVC070 11 11 100% 76.23 0.0
05 00:55 Calm 9.66 Light Rain Fog/Mist FEW060 BKN070 OVC075 11 11 100% 76.23 0.0 0.03
05 00:35 N 7 9.66 Light Rain Fog/Mist FEW042 SCT060 OVC075 11 11 100% 76.23 0.0
05 00:15 Calm 12.87 Overcast FEW039 FEW065 OVC080 11 11 100% 76.23 0.0
04 23:55 N 9 12.87 Light Rain BKN065 OVC085 11 11 100% 76.2 0.0
04 23:35 N 11 14.48 Overcast BKN065 OVC085 12 11 94% 76.2 0.0
04 23:15 N 11 G 22 11.27 Overcast BKN065 OVC085 12 11 94% 76.2 0.0
04 22:55 N 9 14.48 Unknown Precip FEW023 FEW036 OVC065 0 0 0% 76.17 0.0
04 22:35 N 15 14.48 Mostly Cloudy FEW023 SCT036 BKN070 12 10 88% 76.2 0.0
04 22:15 N 15 16.09 Overcast OVC075 12 10 88% 76.23 0.0
04 21:55 N 13 G 24 16.09 Overcast BKN075 OVC085 12 10 88% 76.23 0.0
04 21:35 N 17 16.09 Overcast OVC085 13 11 88% 76.23 0.0
04 21:15 N 11 16.09 Mostly Cloudy BKN090 13 11 88% 76.2 0.0
04 20:55 N 15 16.09 Mostly Cloudy FEW013 SCT032 BKN095 13 12 94% 76.17 0.0
04 20:35 N 15 16.09 Overcast FEW012 BKN031 OVC095 13 12 94% 76.17 0.0
04 20:15 N 13 G 24 16.09 Mostly Cloudy SCT012 BKN018 BKN024 13 13 100% 76.15 0.0
04 19:55 NW 11 14.48 Mostly Cloudy BKN015 BKN020 BKN029 13 13 100% 76.15 0.0
04 19:35 NW 13 14.48 Mostly Cloudy BKN017 BKN025 14 12 88% 76.15 0.0
04 19:15 NW 13 16.09 Overcast OVC016 14 13 94% 76.15 0.0
04 18:55 NW 13 14.48 Mostly Cloudy BKN017 0 0 0% 76.15 0.0
04 18:35 NW 11 16.09 A Few Clouds FEW017 14 12 88% 76.17 0.0
04 18:15 NW 9 16.09 Fair CLR 14 12 88% 76.17 0.0
04 17:55 NW 13 16.09 Fair CLR 14 12 88% 76.17 0.0
04 17:35 NW 13 16.09 Fair CLR 14 13 94% 76.2 0.0
04 17:15 NW 13 14.48 Fair CLR 15 12 82% 76.2 0.0
04 16:55 W 11 16.09 Fair CLR 15 12 82% 76.2 0.0
04 16:35 Vrbl 11 16.09 Fair CLR 15 12 82% 76.2 0.0
04 16:15 W 13 14.48 A Few Clouds FEW065 15 12 82% 76.2 0.0
04 15:55 W 11 16.09 Partly Cloudy SCT065 15 12 82% 76.2 0.0
04 15:35 W 11 14.48 Fair CLR 15 12 82% 76.23 0.0
04 15:15 W 15 14.48 Fair CLR 15 12 82% 76.23 0.0
04 14:55 W 13 16.09 A Few Clouds FEW065 16 11 72% 76.23 0.0
04 14:35 W 11 16.09 A Few Clouds FEW065 15 11 77% 76.23 0.0
04 14:15 SW 11 16.09 Partly Cloudy SCT065 0 0 0% 76.23 0.0
04 13:55 SW 11 16.09 Overcast OVC065 15 12 82% 76.25 0.0
04 13:35 W 9 16.09 Mostly Cloudy BKN065 16 13 83% 76.23 0.0
04 13:15 W 13 16.09 Partly Cloudy SCT060 16 11 72% 76.23 0.0
04 12:55 NW 13 16.09 Mostly Cloudy BKN060 16 12 77% 76.23 0.0
04 12:35 W 17 16.09 Partly Cloudy SCT060 16 12 77% 76.23 0.0
04 12:15 W 11 16.09 Overcast OVC060 16 11 72% 76.25 0.0
04 11:55 W 11 16.09 Overcast OVC060 16 11 72% 76.25 0.0
04 11:35 W 9 16.09 Partly Cloudy SCT060 16 12 77% 76.23 0.0
04 11:15 Vrbl 11 14.48 Fair CLR 16 11 72% 76.23 0.0
04 10:55 SW 11 16.09 Partly Cloudy SCT016 SCT060 15 11 77% 76.23 0.0
04 10:35 Vrbl 9 16.09 Mostly Cloudy SCT016 BKN060 15 12 82% 76.2 0.0
04 10:15 SW 11 14.48 Mostly Cloudy BKN060 15 13 88% 76.17 0.0
04 09:55 W 9 14.48 Mostly Cloudy BKN060 14 13 94% 76.17 0.0
04 09:35 S 9 14.48 Mostly Cloudy FEW015 SCT024 BKN060 14 13 94% 76.2 0.0
04 09:15 S 9 16.09 Overcast FEW014 BKN024 OVC055 14 13 94% 76.2 0.0
04 08:55 S 11 14.48 Mostly Cloudy FEW021 BKN055 14 13 94% 76.17 0.0
04 08:35 S 13 14.48 Partly Cloudy FEW016 SCT029 SCT060 13 13 100% 76.17 0.0
04 08:15 S 9 14.48 Mostly Cloudy FEW010 BKN013 BKN021 13 13 100% 76.17 0.0
04 07:55 S 11 12.87 Overcast SCT012 SCT020 OVC055 13 13 100% 76.17 0.0
04 07:35 SE 6 14.48 Mostly Cloudy FEW014 BKN019 BKN060 12 12 100% 76.17 0.0
04 07:15 Calm 16.09 Overcast SCT014 SCT024 OVC060 12 12 100% 76.15 0.0
04 06:55 Calm 16.09 Mostly Cloudy FEW024 SCT029 BKN060 11 11 100% 76.15 0.0
04 06:35 Calm 16.09 Overcast FEW021 BKN027 OVC033 11 11 100% 76.15 0.0
04 06:15 Calm 16.09 Overcast SCT012 OVC029 11 11 100% 76.12 0.0
04 05:55 Calm 16.09 Mostly Cloudy BKN011 BKN030 BKN060 11 11 100% 76.12 0.0
04 05:35 Calm 16.09 Overcast FEW010 FEW018 OVC060 11 11 100% 76.12 0.0
04 05:15 Calm 16.09 Mostly Cloudy FEW004 FEW010 BKN060 11 11 100% 76.12 0.0
04 04:55 NE 6 16.09 Mostly Cloudy FEW004 FEW033 BKN060 11 11 100% 76.12 0.0
04 04:35 Calm 16.09 Overcast OVC060 12 12 100% 76.12 0.0
04 04:15 Calm 16.09 Overcast OVC060 11 11 100% 76.12 0.0
04 03:55 Calm 16.09 Overcast FEW046 OVC060 11 11 100% 76.12 0.0
04 03:35 E 6 16.09 Overcast FEW030 OVC055 12 12 100% 76.12 0.0
04 03:15 Calm 14.48 Mostly Cloudy FEW006 SCT040 BKN049 12 12 100% 76.12 0.0
04 02:55 Calm 12.87 Overcast SCT035 BKN040 OVC046 12 12 100% 76.1 0.0
04 02:35 SE 7 12.87 Mostly Cloudy FEW008 SCT023 BKN032 12 12 100% 76.1 0.0
04 02:15 Calm 16.09 Mostly Cloudy FEW010 SCT024 BKN034 0 0 0% 76.12 0.0
04 01:55 S 7 12.87 Overcast FEW015 SCT031 OVC040 13 13 100% 76.12 0.0
04 01:35 Vrbl 9 16.09 Mostly Cloudy FEW011 SCT017 BKN024 13 13 100% 76.15 0.0
04 01:15 SE 13 16.09 Overcast BKN010 BKN015 OVC031 13 13 100% 76.15 0.0
04 00:35 S 7 16.09 Overcast BKN011 OVC024 13 13 100% 76.15 0.0
04 00:15 S 9 16.09 Overcast OVC012 13 12 94% 76.15 0.0
03 23:55 SE 7 14.48 Overcast OVC013 13 12 94% 76.17 0.0
03 23:35 S 9 14.48 Overcast OVC013 0 0 0% 76.17 0.0
03 23:15 SE 11 16.09 Overcast BKN013 OVC018 13 12 94% 76.15 0.0
03 22:55 SE 11 16.09 Overcast BKN012 OVC021 12 12 100% 76.15 0.0
03 22:35 SE 6 14.48 Overcast BKN014 OVC022 0 0 0% 76.15 0.0
03 22:15 Calm 16.09 Overcast BKN012 BKN016 OVC050 12 12 100% 76.15 0.0
03 21:55 Calm 16.09 Overcast FEW011 SCT024 OVC050 12 12 100% 76.12 0.0
03 21:35 Calm 14.48 Overcast FEW010 OVC050 12 12 100% 76.12 0.0
03 21:15 S 7 16.09 Partly Cloudy SCT050 12 12 100% 76.1 0.0
03 20:55 SW 7 16.09 Mostly Cloudy SCT013 BKN026 BKN034 13 13 100% 76.1 0.0
03 20:35 SW 6 16.09 Mostly Cloudy SCT013 SCT026 BKN050 13 12 94% 76.07 0.0
03 20:15 S 9 16.09 NULL NULL 13 12 94% 76.07 0.0
03 19:55 SW 9 16.09 NULL NULL 13 12 94% 76.05 0.0
03 19:35 SW 11 14.48 Overcast FEW016 FEW021 OVC050 13 12 94% 76.05 0.0
03 19:15 SW 9 16.09 Overcast FEW017 FEW025 OVC050 14 12 88% 76.05 0.0
03 18:55 SW 11 16.09 Overcast FEW016 OVC050 14 12 88% 76.05 0.0
03 18:35 SW 7 14.48 Overcast FEW016 OVC050 14 12 88% 76.07 0.0
03 18:15 SW 11 16.09 Overcast OVC050 15 13 88% 76.05 0.0
03 17:55 SW 9 16.09 Overcast FEW013 OVC050 15 13 88% 76.05 0.0
03 17:35 SW 15 14.48 Overcast OVC055 15 13 88% 76.05 0.0
03 17:15 SW 9 16.09 Mostly Cloudy FEW030 BKN055 15 13 88% 76.05 0.0
03 16:55 Vrbl 11 16.09 Mostly Cloudy FEW015 FEW022 BKN030 15 13 88% 76.02 0.0
03 16:35 SW 15 16.09 Overcast OVC050 15 13 88% 76.02 0.0
03 16:15 SW 15 16.09 Overcast OVC055 15 12 82% 76.05 0.0
03 15:55 SW 11 16.09 Overcast FEW016 OVC055 15 12 82% 76.05 0.0
03 15:35 SW 15 16.09 Overcast FEW015 FEW021 OVC050 15 13 88% 76.05 0.0
03 15:15 SW 11 16.09 Overcast FEW015 OVC050 15 13 88% 76.05 0.0
03 14:55 SW 13 14.48 Overcast FEW013 OVC050 15 13 88% 76.05 0.0
03 14:35 SW 9 16.09 Overcast FEW013 OVC050 16 13 83% 76.05 0.0
03 14:15 SW 9 16.09 Overcast OVC050 15 13 88% 76.05 0.0
03 13:55 SW 11 14.48 Overcast OVC049 15 13 88% 76.05 0.0
03 13:35 Vrbl 11 16.09 Overcast OVC048 15 13 88% 76.05 0.0
03 13:15 Vrbl 7 16.09 Overcast FEW031 OVC047 16 13 83% 76.05 0.0
03 12:55 SW 11 16.09 Overcast SCT031 OVC045 15 12 82% 76.05 0.0
03 12:35 Vrbl 6 16.09 Overcast OVC041 14 12 88% 76.05 0.0
03 12:15 SW 9 16.09 Overcast BKN037 OVC044 14 13 94% 76.07 0.0
03 11:55 SW 13 12.87 Overcast BKN014 SCT027 OVC042 14 13 94% 76.07 0.0
03 11:35 S 13 16.09 Overcast SCT010 BKN013 OVC028 14 13 94% 76.05 0.0
03 11:15 S 11 14.48 Mostly Cloudy SCT012 BKN042 14 13 94% 76.05 0.0
03 10:55 S 11 16.09 Mostly Cloudy SCT011 BKN042 14 13 94% 76.05 0.0
03 10:35 S 9 14.48 Overcast SCT012 OVC043 13 13 100% 76.05 0.0
03 10:15 SE 9 14.48 Overcast OVC041 13 13 100% 76.05 0.0
03 09:55 S 11 14.48 Overcast FEW008 FEW028 OVC041 13 13 100% 76.05 0.0
03 09:35 Calm 16.09 Mostly Cloudy FEW007 FEW028 BKN041 13 13 100% 76.02 0.0
03 09:15 Calm 11.27 Partly Cloudy FEW006 FEW017 SCT035 12 12 100% 76.02 0.0
03 08:55 NW 7 9.66 Fog/Mist FEW005 FEW017 SCT029 12 12 100% 76.02 0.0 0.03
03 08:35 Calm 6.44 Partly Cloudy FEW015 FEW026 SCT030 0 0 0% 76.02 0.0
03 08:15 Calm 0.80 Unknown Precip Fog/Mist OVC005 12 12 100% 76 0.0
03 07:55 Calm 1.21 Fog/Mist OVC006 12 12 100% 76 0.0
03 07:35 Calm 16.09 Mostly Cloudy BKN016 BKN020 BKN035 12 12 100% 75.97 0.0
03 07:15 Calm 8.05 Fog/Mist SCT016 BKN023 12 12 100% 75.95 0.0
03 06:55 Calm 2.82 Fog/Mist SCT006 BKN010 OVC023 12 12 100% 75.92 0.0
03 06:35 Vrbl 6 14.48 Overcast BKN010 BKN016 OVC021 12 12 100% 75.92 0.0
03 06:15 SW 6 16.09 Mostly Cloudy FEW010 SCT013 BKN020 12 12 100% 75.9 0.0
03 05:55 SW 6 9.66 Fog/Mist SCT013 BKN020 OVC030 12 12 100% 75.87 0.0
03 05:35 Calm 4.83 Fog/Mist BKN013 BKN018 OVC033 12 12 100% 75.87 0.0
03 05:15 Calm 8.05 Fog/Mist SCT013 BKN017 OVC034 12 12 100% 75.87 0.0
03 04:55 Calm 14.48 Overcast FEW014 OVC033 12 12 100% 75.87 0.0
03 04:35 Calm 14.48 Overcast OVC029 12 12 100% 75.9 0.0
03 04:15 Calm 14.48 Overcast FEW011 OVC026 12 12 100% 75.9 0.0
03 03:55 NW 6 14.48 Overcast BKN012 BKN020 OVC027 12 12 100% 75.9 0.0
03 03:35 NW 6 14.48 Overcast SCT013 SCT020 OVC028 12 12 100% 75.9 0.0
03 03:15 NW 9 14.48 Overcast OVC027 12 12 100% 75.87 0.0
03 02:55 NW 7 14.48 Overcast SCT014 OVC027 12 12 100% 75.9 0.0
03 02:35 NW 9 16.09 Overcast SCT014 OVC026 12 12 100% 75.9 0.0
03 02:15 NW 7 14.48 Overcast OVC024 12 12 100% 75.9 0.0
03 01:55 NW 7 16.09 Overcast OVC023 0 0 0% 75.92 0.0
03 01:35 NW 9 14.48 Overcast OVC024 12 12 100% 75.95 0.0
03 01:15 NW 7 16.09 Overcast FEW015 OVC024 12 12 100% 75.95 0.0
03 00:55 NW 9 12.87 Overcast FEW011 BKN022 OVC026 12 12 100% 75.97 0.0
03 00:35 NW 7 14.48 Overcast FEW011 BKN022 OVC026 12 12 100% 75.97 0.0
03 00:15 NW 9 12.87 Overcast SCT012 BKN018 OVC022 12 12 100% 75.95 0.0
02 23:55 NW 9 12.87 Overcast BKN013 OVC019 12 12 100% 75.95 0.0
02 23:35 NW 6 14.48 Overcast OVC021 12 12 100% 75.95 0.0
02 23:15 NW 6 12.87 Overcast OVC024 12 12 100% 75.97 0.0
02 22:55 N 9 12.87 Overcast FEW011 OVC023 12 12 100% 75.97 0.0
02 22:35 NW 11 14.48 Overcast FEW012 BKN020 OVC024 12 12 100% 76 0.0
02 22:15 NW 7 12.87 Overcast FEW014 OVC023 12 12 100% 76 0.0
02 21:55 NW 9 12.87 Overcast FEW011 OVC022 12 12 100% 76 0.0
02 21:35 NW 11 11.27 Overcast BKN011 BKN016 OVC021 12 12 100% 76 0.0
02 21:15 NW 11 11.27 Overcast SCT010 SCT014 OVC022 12 12 100% 75.97 0.0
02 20:55 NW 9 11.27 Overcast FEW013 OVC022 12 12 100% 75.97 0.0
Date Time (pdt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)