Weather observations for the past three days for
Half Moon Bay Airport
Imperial (Metric)
Date Time (pdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
17 03:15 Calm 8.00 Fair CLR 44.6 44.6 100% 29.99 0.0
17 02:55 Calm 8.00 Fair CLR 46.4 46.4 100% 30 0.0
17 02:35 Calm 9.00 Fair CLR 46.4 46.4 100% 30.01 0.0
17 02:15 Calm 2.50 Fog/Mist CLR 46.4 46.4 100% 30.01 0.0
17 01:55 Calm 8.00 Fair CLR 48.2 48.2 100% 30.01 0.0
17 01:35 NE 5 8.00 Fair CLR 48.2 48.2 100% 47 30.01 0.0
17 01:15 Calm 7.00 Fair CLR 46.4 46.4 100% 30.01 0.0
17 00:55 Calm 8.00 Fair CLR 50 50 100% 30.01 0.0
17 00:35 Calm 9.00 A Few Clouds FEW008 50 50 100% 30.01 0.0
17 00:15 Calm 9.00 Mostly Cloudy BKN008 50 50 100% 30.02 0.0
16 23:55 Calm 9.00 Overcast OVC008 50 50 100% 30.03 0.0
16 23:15 Calm 9.00 Fair CLR 48.2 48.2 100% 30.02 0.0
16 22:55 Calm 9.00 Fair CLR 48.2 48.2 100% 30.01 0.0
16 22:35 Calm 9.00 Fair CLR 50 50 100% 30.01 0.0
16 22:15 Calm 9.00 Fair CLR 50 50 100% 30.01 0.0
16 21:55 Calm 9.00 Fair CLR 50 50 100% 30 0.0
16 21:35 Calm 9.00 Fair CLR 51.8 51.8 100% 30 0.0
16 21:15 Calm 9.00 Fair CLR 51.8 51.8 100% 30 0.0
16 20:55 E 5 9.00 NULL NULL 51.8 51.8 100% 30.01 0.0
16 20:35 E 6 0.00 NULL NULL 0 0 0% 30.01 0.0
16 20:15 N 6 7.00 Fair CLR 55.4 55.4 100% 30.01 0.0
16 19:55 N 6 8.00 A Few Clouds FEW010 57.2 55.4 94% 30.02 0.0
16 19:35 N 8 8.00 Mostly Cloudy BKN011 57.2 57.2 100% 30.02 0.0
16 19:15 N 12 8.00 Mostly Cloudy BKN011 57.2 57.2 100% 30.02 0.0
16 18:55 N 9 7.00 A Few Clouds FEW011 57.2 55.4 94% 30.02 0.0
16 18:35 N 9 G 16 7.00 Fair CLR 57.2 55.4 94% 30.01 0.0
16 18:15 N 12 7.00 Fair CLR 57.2 55.4 94% 30.01 0.0
16 17:55 NW 14 7.00 Fair CLR 59 57.2 94% 30.01 0.0
16 17:35 N 12 8.00 Fair CLR 59 57.2 94% 30.01 0.0
16 17:15 NW 15 G 21 8.00 Fair CLR 59 55.4 88% 30.01 0.0
16 16:55 NW 17 7.00 Fair CLR 59 57.2 94% 30.02 0.0
16 16:35 NW 18 8.00 Fair CLR 60.8 57.2 88% 30.02 0.0
16 16:15 NW 18 8.00 Fair CLR 60.8 57.2 88% 30.02 0.0
16 15:55 NW 20 9.00 Fair CLR 60.8 55.4 83% 30.02 0.0
16 15:35 NW 18 8.00 Fair CLR 60.8 55.4 83% 30.02 0.0
16 15:15 NW 18 G 24 8.00 Fair CLR 60.8 55.4 83% 30.03 0.0
16 14:55 NW 18 8.00 Fair CLR 60.8 55.4 83% 30.03 0.0
16 14:35 NW 17 8.00 Fair CLR 62.6 55.4 77% 30.03 0.0
16 14:15 NW 18 8.00 Fair CLR 62.6 55.4 77% 30.04 0.0
16 13:55 NW 18 9.00 Fair CLR 62.6 55.4 77% 30.04 0.0
16 13:35 N 17 9.00 Fair CLR 62.6 55.4 77% 30.05 0.0
16 13:15 N 17 9.00 Fair CLR 62.6 55.4 77% 30.06 0.0
16 12:55 NW 16 9.00 Fair CLR 62.6 55.4 77% 30.06 0.0
16 12:35 NW 15 9.00 Fair CLR 62.6 55.4 77% 30.07 0.0
16 12:15 NW 15 8.00 Fair CLR 60.8 57.2 88% 30.08 0.0
16 11:55 NW 13 9.00 Fair CLR 60.8 57.2 88% 30.09 0.0
16 11:35 NW 12 8.00 Fair CLR 62.6 57.2 83% 30.09 0.0
16 11:15 N 10 8.00 Fair CLR 60.8 57.2 88% 30.09 0.0
16 10:55 NW 10 9.00 Fair CLR 60.8 57.2 88% 30.1 0.0
16 10:35 NW 9 9.00 A Few Clouds FEW013 60.8 57.2 88% 30.1 0.0
16 10:15 NW 9 9.00 A Few Clouds FEW013 60.8 57.2 88% 30.1 0.0
16 09:55 NW 8 9.00 Fair CLR 59 57.2 94% 30.11 0.0
16 09:35 NW 6 7.00 Fair CLR 59 57.2 94% 30.11 0.0
16 09:15 Calm 6.00 Fog/Mist CLR 57.2 55.4 94% 30.11 0.0
16 08:55 Calm 9.00 Fair CLR 53.6 53.6 100% 30.11 0.0
16 08:35 Calm 9.00 Fair CLR 51.8 51.8 100% 30.1 0.0
16 08:15 Calm 8.00 Fair CLR 50 50 100% 30.1 0.0
16 07:55 Calm 8.00 Fair CLR 46.4 46.4 100% 30.1 0.0
16 07:35 Calm 8.00 Fair CLR 46.4 46.4 100% 30.09 0.0
16 07:15 Calm 9.00 Fair CLR 46.4 46.4 100% 30.09 0.0
16 06:55 Calm 9.00 Fair CLR 46.4 46.4 100% 30.09 0.0
16 06:35 Calm 9.00 Fair CLR 46.4 46.4 100% 30.08 0.0
16 06:15 Calm 9.00 Fair CLR 46.4 46.4 100% 30.08 0.0
16 05:55 Calm 7.00 A Few Clouds FEW036 46.4 46.4 100% 30.09 0.0
16 05:35 Calm 8.00 Fair CLR 46.4 46.4 100% 30.08 0.0
16 05:15 Calm 9.00 Fair CLR 46.4 46.4 100% 30.08 0.0
16 04:55 Calm 9.00 Fair CLR 48.2 48.2 100% 30.09 0.0
16 04:35 Calm 9.00 Fair CLR 46.4 46.4 100% 30.09 0.0
16 03:55 Calm 9.00 Fair CLR 46.4 46.4 100% 30.1 0.0
16 03:35 Calm 9.00 Fair CLR 46.4 46.4 100% 30.1 0.0
16 03:15 Calm 9.00 Fair CLR 48.2 48.2 100% 30.1 0.0
16 02:55 Calm 8.00 Fair CLR 50 50 100% 30.11 0.0
16 02:35 Calm 9.00 Fair CLR 50 50 100% 30.11 0.0
16 02:15 N 5 9.00 Fair CLR 55.4 55.4 100% 30.11 0.0
16 01:55 N 3 9.00 Fair CLR 51.8 51.8 100% 30.12 0.0
16 01:15 N 7 10.00 Fair CLR 53.6 53.6 100% 30.11 0.0
16 00:55 N 6 9.00 Fair CLR 51.8 51.8 100% 30.11 0.0
16 00:35 N 6 10.00 Fair CLR 51.8 51.8 100% 30.11 0.0
15 23:55 N 6 9.00 Fair CLR 53.6 53.6 100% 30.12 0.0
15 23:35 N 6 9.00 Fair CLR 51.8 51.8 100% 30.12 0.0
15 23:15 N 6 9.00 Fair CLR 53.6 53.6 100% 30.12 0.0
15 22:55 N 7 9.00 Fair CLR 51.8 51.8 100% 30.12 0.0
15 22:35 Calm 9.00 Fair CLR 50 50 100% 30.13 0.0
15 22:15 Calm 9.00 Fair CLR 50 50 100% 30.12 0.0
15 21:55 Calm 9.00 Fair CLR 50 50 100% 30.12 0.0
15 21:35 Calm 9.00 Fair CLR 50 50 100% 30.12 0.0
15 21:15 Calm 9.00 Fair CLR 51.8 51.8 100% 30.12 0.0
15 20:55 Calm 9.00 Fair CLR 51.8 51.8 100% 30.11 0.0
15 20:35 Calm 9.00 Fair CLR 51.8 51.8 100% 30.11 0.0
15 20:15 NE 5 9.00 Fair CLR 51.8 51.8 100% 30.11 0.0
15 19:55 N 6 9.00 Fair CLR 53.6 53.6 100% 30.11 0.0
15 19:15 Calm 9.00 Fair CLR 55.4 55.4 100% 30.1 0.0
15 18:55 N 5 9.00 Fair CLR 57.2 55.4 94% 30.1 0.0
15 18:35 N 5 8.00 Partly Cloudy SCT045 57.2 55.4 94% 30.1 0.0
15 18:15 NW 7 8.00 Overcast OVC045 59 55.4 88% 30.1 0.0
15 17:55 NW 5 8.00 Overcast OVC042 60.8 55.4 83% 30.09 0.0
15 17:35 NW 7 8.00 Overcast OVC042 59 55.4 88% 30.1 0.0
15 17:15 NW 8 9.00 Overcast OVC042 59 55.4 88% 30.1 0.0
15 16:55 NW 7 9.00 Overcast OVC043 60.8 55.4 83% 30.1 0.0
15 16:35 NW 7 8.00 Overcast OVC043 60.8 55.4 83% 30.09 0.0
15 16:15 NW 6 9.00 Overcast OVC043 60.8 55.4 83% 30.09 0.0
15 15:55 NW 7 9.00 Overcast FEW026 OVC042 60.8 55.4 83% 30.09 0.0
15 15:35 NW 7 9.00 Overcast FEW026 FEW034 OVC041 59 55.4 88% 30.09 0.0
15 15:15 NW 7 8.00 Overcast FEW028 SCT033 OVC040 60.8 55.4 83% 30.09 0.0
15 14:55 NW 7 8.00 Overcast FEW019 OVC028 59 55.4 88% 30.09 0.0
15 14:35 NW 7 9.00 Overcast BKN019 OVC030 59 55.4 88% 30.09 0.0
15 14:15 W 6 8.00 Overcast SCT019 OVC041 60.8 55.4 83% 30.09 0.0
15 13:55 W 6 9.00 Overcast OVC041 60.8 55.4 83% 30.09 0.0
15 13:35 W 6 9.00 Overcast FEW020 OVC039 59 55.4 88% 30.09 0.0
15 13:15 W 6 8.00 Overcast SCT020 SCT028 OVC038 59 55.4 88% 30.1 0.0
15 12:55 W 6 9.00 Overcast FEW021 BKN028 OVC033 59 55.4 88% 30.1 0.0
15 12:35 W 7 9.00 Overcast BKN021 OVC031 60.8 55.4 83% 30.1 0.0
15 12:15 SW 7 8.00 Overcast BKN021 OVC046 60.8 55.4 83% 30.1 0.0
15 11:55 Vrbl 6 9.00 Overcast FEW025 OVC046 60.8 55.4 83% 30.1 0.0
15 11:35 SE 5 9.00 Overcast FEW026 OVC045 60.8 53.6 77% 30.1 0.0
15 11:15 S 5 10.00 Overcast OVC045 59 53.6 82% 30.1 0.0
15 10:55 S 3 9.00 Overcast OVC044 59 53.6 82% 30.09 0.0
15 10:35 SE 5 9.00 Overcast OVC045 59 53.6 82% 30.09 0.0
15 10:15 S 6 10.00 Overcast OVC043 59 53.6 82% 30.09 0.0
15 09:55 SE 6 9.00 Overcast FEW024 SCT032 OVC043 57.2 53.6 88% 30.09 0.0
15 09:35 SE 5 9.00 Overcast BKN024 OVC031 57.2 53.6 88% 30.08 0.0
15 09:15 SE 5 9.00 Overcast BKN023 OVC027 57.2 53.6 88% 30.08 0.0
15 08:55 SE 5 9.00 Overcast BKN026 OVC032 57.2 53.6 88% 30.07 0.0
15 08:35 Calm 10.00 Overcast SCT024 BKN033 OVC043 55.4 55.4 100% 30.07 0.0
15 07:55 E 3 9.00 Overcast FEW026 BKN033 OVC040 53.6 53.6 100% 30.05 0.0
15 07:35 E 5 10.00 Overcast FEW028 SCT033 OVC042 53.6 53.6 100% 30.05 0.0
15 07:15 E 6 10.00 Overcast FEW022 BKN027 OVC042 53.6 53.6 100% 30.05 0.0
15 06:35 SE 7 8.00 Overcast OVC021 53.6 53.6 100% 30.04 0.0
15 06:15 E 6 6.00 Fog/Mist OVC021 53.6 53.6 100% 30.03 0.0
15 05:55 SE 7 4.00 Fog/Mist OVC021 53.6 53.6 100% 30.02 0.0
15 05:35 E 6 3.00 Fog/Mist FEW012 OVC022 53.6 53.6 100% 30.02 0.0
15 05:15 SE 7 2.00 Fog/Mist BKN012 OVC021 53.6 53.6 100% 30.01 0.0
15 04:55 S 10 5.00 Fog/Mist BKN012 OVC019 53.6 53.6 100% 30.01 0.0
15 04:35 S 10 7.00 Overcast SCT013 BKN024 OVC030 53.6 53.6 100% 30 0.0
15 04:15 SE 7 4.00 Fog/Mist BKN012 BKN023 OVC030 53.6 53.6 100% 30 0.0
15 03:55 SE 7 3.00 Fog/Mist SCT013 SCT023 OVC029 53.6 53.6 100% 30 0.0
15 03:35 SE 6 2.00 Fog/Mist FEW021 OVC031 53.6 53.6 100% 30 0.0
15 03:15 SE 6 3.00 Fog/Mist FEW013 SCT024 OVC031 53.6 53.6 100% 30 0.0
15 02:55 SE 6 9.00 Overcast FEW023 OVC033 55.4 53.6 94% 30 0.0
15 02:35 SE 6 9.00 Overcast OVC036 55.4 53.6 94% 30 0.0
15 02:15 SE 5 5.00 Light Rain Fog/Mist OVC038 55.4 55.4 100% 29.99 0.0
15 01:55 E 5 10.00 Overcast OVC044 55.4 55.4 100% 29.99 0.0
15 01:35 E 5 9.00 Overcast OVC046 55.4 55.4 100% 29.99 0.0
15 01:15 SE 6 5.00 Fog/Mist BKN048 OVC055 55.4 55.4 100% 29.98 0.0
15 00:55 SE 3 7.00 Unknown Precip BKN050 OVC065 55.4 55.4 100% 29.98 0.0
15 00:35 SE 5 9.00 Overcast BKN050 BKN060 OVC070 55.4 55.4 100% 29.97 0.0
15 00:15 SE 6 9.00 Overcast BKN050 BKN060 OVC075 55.4 55.4 100% 29.97 0.0
14 23:55 Calm 9.00 Overcast OVC050 53.6 53.6 100% 29.97 0.0
14 23:35 Calm 10.00 Overcast BKN050 OVC060 53.6 53.6 100% 29.97 0.0
14 23:15 Calm 9.00 Overcast OVC060 53.6 53.6 100% 29.96 0.0
14 22:55 Calm 9.00 Overcast BKN060 OVC070 53.6 53.6 100% 29.96 0.0
14 22:35 Calm 7.00 Overcast OVC065 53.6 53.6 100% 29.96 0.0
14 22:15 Calm 10.00 Overcast OVC065 51.8 51.8 100% 29.95 0.0
14 21:55 Calm 9.00 Overcast OVC070 51.8 51.8 100% 29.95 0.0
14 21:35 Calm 10.00 Overcast OVC070 51.8 51.8 100% 29.94 0.0
14 21:15 Calm 9.00 Overcast FEW018 OVC070 51.8 51.8 100% 29.94 0.0
14 20:55 Calm 9.00 Overcast SCT017 SCT075 OVC085 51.8 51.8 100% 29.93 0.0
14 20:35 Calm 10.00 Overcast SCT075 BKN085 OVC120 51.8 51.8 100% 29.92 0.0
14 20:15 Calm 10.00 Mostly Cloudy FEW015 BKN080 BKN100 51.8 51.8 100% 29.92 0.0
14 19:55 Calm 9.00 Mostly Cloudy SCT015 BKN100 53.6 53.6 100% 29.91 0.0
14 19:35 Calm 9.00 Mostly Cloudy BKN015 55.4 53.6 94% 29.9 0.0
14 19:15 N 5 9.00 Partly Cloudy SCT015 55.4 53.6 94% 29.9 0.0
14 18:55 N 7 9.00 Mostly Cloudy BKN016 55.4 53.6 94% 29.89 0.0
14 18:35 N 6 9.00 Mostly Cloudy BKN016 55.4 53.6 94% 29.89 0.0
14 18:15 NW 9 9.00 A Few Clouds FEW016 57.2 53.6 88% 29.88 0.0
14 17:55 NW 9 9.00 A Few Clouds FEW016 57.2 53.6 88% 29.87 0.0
14 17:35 NW 9 9.00 A Few Clouds FEW070 57.2 53.6 88% 29.87 0.0
14 17:15 NW 8 9.00 Partly Cloudy FEW020 SCT070 57.2 53.6 88% 29.86 0.0
14 16:55 NW 9 9.00 Mostly Cloudy FEW019 BKN065 BKN075 59 53.6 82% 29.85 0.0
14 16:35 NW 9 9.00 Mostly Cloudy BKN070 59 51.8 77% 29.85 0.0
14 16:15 NW 9 9.00 A Few Clouds FEW021 FEW070 59 53.6 82% 29.84 0.0
14 15:55 NW 10 8.00 Fair CLR 59 53.6 82% 29.83 0.0
14 15:35 NW 10 9.00 A Few Clouds FEW024 59 53.6 82% 29.83 0.0
14 15:15 NW 9 9.00 Mostly Cloudy FEW019 BKN025 BKN070 60.8 53.6 77% 29.82 0.0
14 14:55 NW 10 9.00 Overcast BKN024 BKN029 OVC070 60.8 53.6 77% 29.81 0.0
14 14:35 NW 9 9.00 Overcast FEW020 OVC025 60.8 53.6 77% 29.81 0.0
14 14:15 NW 9 9.00 Mostly Cloudy SCT021 BKN060 60.8 53.6 77% 29.81 0.0
14 13:55 W 9 9.00 Mostly Cloudy BKN060 59 51.8 77% 29.8 0.0
14 13:35 Vrbl 7 8.00 Partly Cloudy SCT060 60.8 53.6 77% 29.8 0.0
14 13:15 W 7 9.00 Partly Cloudy SCT060 59 51.8 77% 29.8 0.0
14 12:55 NW 7 8.00 Overcast OVC055 59 53.6 82% 29.8 0.0
14 12:35 NW 8 8.00 Overcast OVC050 59 53.6 82% 29.8 0.0
14 12:15 NW 7 8.00 Overcast FEW029 FEW037 OVC050 57.2 51.8 82% 29.79 0.0
14 11:55 NW 8 8.00 Overcast SCT031 BKN037 OVC055 57.2 51.8 82% 29.79 0.0
14 11:35 NW 8 8.00 Partly Cloudy FEW034 SCT050 59 51.8 77% 29.79 0.0
14 11:15 Vrbl 6 9.00 Fair CLR 59 51.8 77% 29.79 0.0
14 10:55 SW 3 8.00 Fair CLR 57.2 51.8 82% 29.78 0.0
14 10:35 SW 6 8.00 Partly Cloudy FEW029 SCT050 57.2 51.8 82% 29.78 0.0
14 10:15 SW 6 6.00 Fog/Mist FEW014 BKN030 BKN037 55.4 51.8 88% 29.78 0.0
14 09:55 W 5 5.00 Fog/Mist SCT031 57.2 53.6 88% 29.77 0.0
14 09:35 Calm 7.00 Fair CLR 55.4 53.6 94% 29.77 0.0
14 09:15 Calm 9.00 A Few Clouds FEW032 55.4 51.8 88% 29.76 0.0
14 08:55 Calm 9.00 Mostly Cloudy SCT032 BKN050 51.8 51.8 100% 29.75 0.0
14 08:35 Calm 9.00 Mostly Cloudy BKN049 50 50 100% 29.75 0.0
14 08:15 Calm 9.00 Fair CLR 46.4 46.4 100% 29.74 0.0
14 07:55 Calm 9.00 Fair CLR 42.8 42.8 100% 29.73 0.0
14 07:35 Calm 8.00 Fair CLR 41 41 100% 29.72 0.0
14 07:15 Calm 2.50 Fog/Mist CLR 41 41 100% 29.72 0.0
14 06:55 Calm 9.00 Fair CLR 42.8 42.8 100% 29.72 0.0
14 06:35 Calm 10.00 Fair CLR 42.8 42.8 100% 29.71 0.0
14 06:15 Calm 9.00 Fair CLR 42.8 42.8 100% 29.71 0.0
14 05:55 E 5 9.00 Fair CLR 44.6 44.6 100% 43 29.7 0.0
14 05:35 Calm 9.00 Fair CLR 42.8 42.8 100% 29.69 0.0
14 05:15 Calm 9.00 Fair CLR 44.6 44.6 100% 29.68 0.0
14 04:55 Calm 9.00 Fair CLR 44.6 44.6 100% 29.68 0.0
14 04:35 E 5 9.00 Fair CLR 44.6 44.6 100% 43 29.67 0.0
14 04:15 Calm 9.00 Fair CLR 44.6 44.6 100% 29.67 0.0
14 03:55 Calm 5.00 Fog/Mist FEW039 44.6 44.6 100% 29.67 0.0
14 03:35 Calm 8.00 Fair CLR 44.6 44.6 100% 29.66 0.0
Date Time (pdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)