National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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.
06 23:55 NW 15 14.48 Overcast OVC007 12 12 100% 76.53 0.0
06 23:35 NW 15 14.48 Overcast OVC007 12 12 100% 76.53 0.0
06 23:15 N 15 14.48 Overcast OVC007 12 12 100% 76.53 0.0
06 22:55 NW 17 14.48 Overcast OVC007 12 12 100% 76.53 0.0
06 21:55 N 15 12.87 Overcast OVC007 13 13 100% 76.53 0.0
06 21:35 NW 19 14.48 Overcast OVC008 13 13 100% 76.53 0.0
06 21:15 N 17 G 28 14.48 Overcast OVC008 13 13 100% 76.53 0.0
06 20:55 NW 19 14.48 Overcast OVC007 0 0 0% 76.5 0.0
06 20:35 N 20 14.48 Overcast OVC007 13 13 100% 76.5 0.0
06 20:15 N 17 G 28 14.48 Overcast OVC008 0 0 0% 76.5 0.0
06 19:55 NW 24 G 33 14.48 Overcast OVC008 13 13 100% 76.48 0.0
06 19:35 N 22 14.48 Overcast OVC008 13 13 100% 76.48 0.0
06 19:15 N 17 14.48 Overcast OVC009 13 13 100% 76.48 0.0
06 18:55 N 22 14.48 Overcast OVC010 13 13 100% 76.48 0.0
06 18:35 NW 19 G 31 14.48 Overcast OVC009 14 13 94% 76.48 0.0
06 18:15 N 19 G 30 14.48 Overcast OVC011 14 13 94% 76.48 0.0
06 17:55 NW 24 16.09 Overcast OVC011 14 13 94% 76.48 0.0
06 17:35 N 20 G 33 16.09 Overcast OVC012 14 13 94% 76.48 0.0
06 17:15 NW 24 16.09 Overcast OVC011 14 13 94% 76.48 0.0
06 16:55 NW 30 G 39 14.48 Overcast OVC012 15 14 94% 76.48 0.0
06 16:35 NW 28 16.09 Overcast OVC013 15 14 94% 76.45 0.0
06 16:15 NW 30 14.48 Overcast OVC013 15 14 94% 76.48 0.0
06 15:55 NW 28 G 37 16.09 Overcast OVC013 16 14 88% 76.48 0.0
06 15:35 NW 28 14.48 Overcast OVC013 16 14 88% 76.5 0.0
06 15:15 NW 31 16.09 Overcast OVC013 16 14 88% 76.5 0.0
06 14:55 NW 31 G 41 16.09 Partly Cloudy SCT013 16 14 88% 76.53 0.0
06 14:35 NW 30 16.09 Fair CLR 16 14 88% 76.53 0.0
06 14:15 N 30 G 39 16.09 Partly Cloudy SCT012 17 14 83% 76.53 0.0
06 13:55 NW 31 16.09 Mostly Cloudy BKN013 16 14 88% 76.53 0.0
06 13:35 NW 28 14.48 A Few Clouds FEW012 0 0 0% 76.56 0.0
06 13:15 NW 30 G 41 14.48 Fair CLR 16 14 88% 76.56 0.0
06 12:55 NW 28 16.09 A Few Clouds FEW013 16 14 88% 76.56 0.0
06 12:35 NW 28 G 39 16.09 Fair CLR 16 14 88% 76.58 0.0
06 12:15 NW 30 16.09 Fair CLR 16 14 88% 76.58 0.0
06 11:55 NW 28 16.09 Fair CLR 16 14 88% 76.58 0.0
06 11:35 NW 26 16.09 Fair CLR 16 14 88% 76.58 0.0
06 11:15 NW 24 16.09 A Few Clouds FEW018 16 14 88% 76.58 0.0
06 10:55 NW 22 16.09 Mostly Cloudy BKN018 16 14 88% 76.58 0.0
06 10:35 NW 22 16.09 Overcast OVC017 15 14 94% 76.58 0.0
06 10:15 N 15 16.09 Overcast OVC016 15 13 88% 76.61 0.0
06 09:55 N 11 16.09 Overcast OVC015 14 13 94% 76.61 0.0
06 09:35 Vrbl 9 16.09 Overcast OVC014 14 13 94% 76.61 0.0
06 09:15 N 11 16.09 Overcast OVC015 14 13 94% 76.61 0.0
06 08:55 NW 11 14.48 Overcast OVC016 14 13 94% 76.61 0.0
06 08:35 N 7 14.48 Overcast OVC017 14 13 94% 76.58 0.0
06 08:15 Calm 16.09 Overcast BKN019 OVC023 14 12 88% 76.58 0.0
06 07:55 Calm 16.09 Overcast OVC021 14 12 88% 76.58 0.0
06 07:35 N 6 16.09 Overcast OVC020 14 12 88% 76.58 0.0
06 07:15 NE 6 14.48 Overcast OVC019 14 12 88% 76.58 0.0
06 06:55 Calm 14.48 Overcast OVC019 13 13 100% 76.56 0.0
06 06:35 Calm 16.09 Overcast OVC019 13 13 100% 76.53 0.0
06 06:15 N 7 16.09 Overcast OVC019 0 0 0% 76.53 0.0
06 05:55 N 6 16.09 Overcast OVC019 13 13 100% 76.5 0.0
06 05:35 NE 6 16.09 Overcast OVC020 12 12 100% 76.5 0.0
06 05:15 N 7 16.09 Overcast OVC021 13 13 100% 76.5 0.0
06 04:55 N 7 16.09 Overcast OVC022 13 13 100% 76.48 0.0
06 04:35 N 7 16.09 Overcast OVC022 0 0 0% 76.48 0.0
06 04:15 N 9 16.09 Overcast OVC022 13 12 94% 76.48 0.0
06 03:55 N 7 16.09 Overcast OVC022 13 13 100% 76.45 0.0
06 03:35 N 7 16.09 Overcast OVC024 13 12 94% 76.45 0.0
06 03:15 NW 9 16.09 Overcast OVC024 13 13 100% 76.45 0.0
06 02:55 N 7 16.09 Overcast OVC024 14 13 94% 76.45 0.0
06 02:35 N 9 16.09 Overcast OVC024 14 13 94% 76.45 0.0
06 02:15 N 7 16.09 Overcast OVC024 14 13 94% 76.45 0.0
06 01:55 NW 9 16.09 Overcast OVC024 13 13 100% 76.45 0.0
06 01:35 N 7 16.09 Overcast OVC025 14 13 94% 76.45 0.0
06 01:15 N 9 16.09 Overcast OVC025 14 13 94% 76.48 0.0
06 00:55 N 11 16.09 Overcast FEW015 OVC025 14 14 100% 76.45 0.0
06 00:35 NW 11 16.09 Overcast FEW010 FEW014 OVC025 14 14 100% 76.45 0.0
06 00:15 NW 9 14.48 Overcast FEW009 FEW013 OVC024 0 0 0% 76.43 0.0
05 23:55 NW 7 16.09 Overcast OVC025 14 14 100% 76.43 0.0
05 23:35 NW 7 14.48 Overcast OVC025 14 14 100% 76.43 0.0
05 23:15 NW 7 16.09 Overcast OVC025 14 14 100% 76.43 0.0
05 22:55 NW 6 14.48 Overcast FEW010 FEW016 OVC024 14 14 100% 76.4 0.0
05 22:35 Calm 12.87 Overcast SCT009 SCT015 OVC022 14 14 100% 76.4 0.0
05 22:15 Calm 16.09 Overcast SCT009 BKN017 OVC024 14 14 100% 76.4 0.0
05 21:55 Calm 14.48 Overcast OVC025 14 14 100% 76.4 0.0
05 21:35 Calm 16.09 Overcast OVC027 14 14 100% 76.38 0.0
05 21:15 Calm 12.87 Overcast FEW011 OVC028 14 14 100% 76.35 0.0
05 20:55 Calm 14.48 Overcast FEW011 FEW022 OVC028 0 0 0% 76.35 0.0
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
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)