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.
28 05:35 SE 11 4.83 Light Rain Fog/Mist FEW018 SCT032 BKN041 12 12 100% 75.69 0.0
28 05:15 SE 13 4.02 Light Rain Fog/Mist BKN017 BKN026 OVC055 12 12 100% 75.72 0.0
28 04:55 S 9 4.02 Light Rain Fog/Mist BKN015 BKN021 OVC026 12 12 100% 75.74 0.0 0.08
28 04:35 S 7 4.83 Light Rain Fog/Mist BKN013 BKN023 OVC060 12 12 100% 75.74 0.0
28 04:15 SE 9 6.44 Fog/Mist SCT036 BKN042 OVC060 12 12 100% 75.72 0.0
28 03:55 SE 9 4.83 Light Rain Fog/Mist SCT012 BKN039 OVC060 12 12 100% 75.72 0.0 0.03
28 03:35 SE 15 4.02 Fog/Mist BKN010 BKN035 OVC042 11 11 100% 75.74 0.0
28 03:15 S 19 4.83 Fog/Mist FEW011 BKN041 OVC065 12 12 100% 75.77 0.0
28 02:55 SE 11 6.44 Fog/Mist SCT010 BKN033 OVC075 11 11 100% 75.77 0.0 0.05
28 02:35 S 13 4.83 Fog/Mist SCT010 BKN019 OVC034 12 12 100% 75.77 0.0
28 02:15 S 11 4.83 Fog/Mist BKN013 OVC021 12 12 100% 75.79 0.0
28 01:55 S 13 4.02 Light Rain Fog/Mist BKN014 OVC020 12 12 100% 75.79 0.0 0.03
28 01:35 S 17 6.44 Overcast OVC014 0 0 0% 75.77 0.0
28 01:15 S 17 8.05 Fog/Mist OVC014 12 12 100% 75.77 0.0
28 00:55 S 17 8.05 Fog/Mist OVC014 12 12 100% 75.77 0.0
28 00:35 S 17 8.05 Fog/Mist OVC017 12 12 100% 75.79 0.0
28 00:15 S 13 8.05 Fog/Mist OVC017 12 12 100% 75.82 0.0
27 23:55 S 9 8.05 Fog/Mist OVC016 0 0 0% 75.84 0.0
27 23:35 S 7 8.05 Fog/Mist OVC015 12 11 94% 75.87 0.0
27 23:15 Calm 9.66 Fog/Mist OVC014 12 11 94% 75.9 0.0
27 22:55 SW 9 9.66 Fog/Mist OVC014 13 11 88% 75.84 0.0
27 22:35 S 11 9.66 Fog/Mist OVC014 13 11 88% 75.84 0.0
27 22:15 S 11 8.05 Fog/Mist OVC015 13 11 88% 75.84 0.0
27 21:55 S 9 8.05 Fog/Mist OVC015 12 11 94% 75.84 0.0
27 21:35 SW 7 9.66 Fog/Mist OVC015 13 11 88% 75.82 0.0
27 21:15 Calm 8.05 Fog/Mist OVC016 12 11 94% 75.82 0.0
27 20:55 Calm 9.66 Fog/Mist OVC015 12 11 94% 75.82 0.0
27 20:35 W 9 8.05 Fog/Mist OVC015 13 11 88% 75.82 0.0
27 20:15 W 7 6.44 Fog/Mist OVC016 13 11 88% 75.82 0.0
27 19:55 Calm 8.05 Fog/Mist BKN016 13 11 88% 75.79 0.0
27 19:35 Calm 6.44 Fog/Mist OVC016 13 12 94% 75.77 0.0
27 19:15 Calm 8.05 Fog/Mist OVC016 13 11 88% 75.77 0.0
27 18:55 W 7 6.44 Fog/Mist OVC014 13 11 88% 75.79 0.0
27 18:35 NW 15 6.44 Fog/Mist BKN014 13 12 94% 75.79 0.0
27 18:15 NW 13 6.44 Overcast OVC014 0 0 0% 75.77 0.0
27 17:55 NW 11 6.44 Fog/Mist OVC013 14 12 88% 75.79 0.0
27 17:35 W 7 6.44 Fog/Mist OVC013 13 12 94% 75.79 0.0
27 17:15 W 9 6.44 Fog/Mist BKN013 13 12 94% 75.79 0.0
27 16:55 NW 7 6.44 Partly Cloudy SCT013 0 0 0% 75.77 0.0
27 16:35 NW 7 6.44 Fog/Mist SCT013 14 12 88% 75.77 0.0
27 16:15 NW 13 6.44 Fog/Mist CLR 14 12 88% 75.79 0.0
27 15:55 W 11 6.44 Fog/Mist CLR 14 13 94% 75.79 0.0
27 15:35 Vrbl 11 4.83 Fog/Mist CLR 14 12 88% 75.79 0.0
27 15:15 Vrbl 9 G 19 4.83 Fog/Mist CLR 14 13 94% 75.79 0.0
27 14:55 Vrbl 9 6.44 Fog/Mist SCT025 14 12 88% 75.82 0.0
27 14:35 Vrbl 7 6.44 Fog/Mist BKN024 14 13 94% 75.82 0.0
27 14:15 W 11 8.05 Fog/Mist FEW022 14 12 88% 75.79 0.0
27 13:55 Vrbl 9 G 19 8.05 Fair with Haze CLR 15 12 82% 75.77 0.0
27 13:35 S 15 9.66 Fair with Haze CLR 14 11 82% 75.79 0.0
27 13:15 Vrbl 11 9.66 Fair with Haze CLR 14 11 82% 75.79 0.0
27 12:55 SW 7 8.05 Fog/Mist CLR 14 12 88% 75.79 0.0
27 12:35 W 13 9.66 Fog/Mist CLR 14 12 88% 75.79 0.0
27 12:15 SW 13 9.66 Fair with Haze CLR 14 12 88% 75.77 0.0
27 11:55 Vrbl 9 9.66 Fair with Haze CLR 14 12 88% 75.77 0.0
27 11:35 S 13 9.66 Fair with Haze CLR 14 11 82% 75.77 0.0
27 11:15 S 13 8.05 Partly Cloudy with Haze SCT016 14 12 88% 75.77 0.0
27 10:55 S 11 8.05 Fog/Mist SCT018 13 12 94% 75.77 0.0
27 10:35 Vrbl 9 9.66 Fog/Mist BKN017 13 12 94% 75.79 0.0
27 10:15 S 11 9.66 Fog/Mist BKN017 14 11 82% 75.79 0.0
27 09:55 Vrbl 9 9.66 Fog/Mist BKN016 13 11 88% 75.77 0.0
27 09:35 SW 6 8.05 Fog/Mist BKN016 13 12 94% 75.77 0.0
27 09:15 SW 13 6.44 Mostly Cloudy BKN016 0 0 0% 75.77 0.0
27 08:55 S 9 4.83 Fog/Mist FEW018 13 12 94% 75.74 0.0
27 08:35 SE 11 4.83 Fog/Mist FEW006 12 12 100% 75.72 0.0
27 08:15 SE 11 4.83 Fog/Mist SCT007 12 12 100% 75.69 0.0
27 07:55 S 9 4.02 Fog/Mist BKN007 12 12 100% 75.69 0.0
27 07:35 S 7 3.22 Fog/Mist BKN007 12 12 100% 75.67 0.0
27 07:15 Calm 2.01 Mostly Cloudy BKN007 0 0 0% 75.64 0.0
27 06:55 S 7 6.44 Fog/Mist CLR 9 9 100% 8 75.64 0.0
27 06:35 Calm 6.44 Fog/Mist CLR 9 9 100% 75.64 0.0
27 06:15 Calm 6.44 Fog/Mist CLR 9 9 100% 75.64 0.0
27 05:55 Calm 4.83 Fog/Mist FEW003 SCT015 10 10 100% 75.62 0.0
27 05:35 Calm 4.83 Fog/Mist FEW002 FEW008 BKN015 11 11 100% 75.62 0.0
27 05:15 Calm 6.44 Fog/Mist SCT008 OVC015 11 11 100% 75.62 0.0
27 04:55 N 7 6.44 Fog/Mist FEW008 OVC016 11 11 100% 75.59 0.0
27 04:35 N 6 6.44 Fog/Mist FEW008 OVC016 11 11 100% 75.62 0.0
27 04:15 N 7 6.44 Fog/Mist FEW009 OVC016 11 11 100% 75.62 0.0
27 03:55 NW 13 6.44 Fog/Mist BKN009 OVC014 11 11 100% 75.62 0.0
27 03:35 N 15 6.44 Fog/Mist BKN008 OVC013 11 11 100% 75.62 0.0
27 03:15 NW 19 6.44 Fog/Mist BKN008 OVC013 11 11 100% 75.62 0.0
27 02:55 NW 17 6.44 Fog/Mist BKN010 OVC013 12 12 100% 75.62 0.0
27 02:35 NW 17 6.44 Fog/Mist OVC008 12 12 100% 75.62 0.0
27 02:15 NW 17 6.44 Fog/Mist OVC008 12 12 100% 75.64 0.0
27 01:55 NW 15 6.44 Fog/Mist OVC009 12 12 100% 75.64 0.0
27 01:35 NW 19 8.05 Fog/Mist OVC009 12 12 100% 75.67 0.0
27 01:15 N 13 G 28 8.05 Fog/Mist OVC009 12 12 100% 75.69 0.0
27 00:55 N 19 8.05 Fog/Mist OVC009 12 12 100% 75.69 0.0
27 00:35 NW 22 8.05 Fog/Mist OVC010 12 12 100% 75.69 0.0
27 00:15 N 24 9.66 Fog/Mist OVC010 12 12 100% 75.72 0.0
26 23:55 N 20 G 30 8.05 Fog/Mist OVC010 12 12 100% 75.72 0.0
26 23:35 N 19 G 31 8.05 Fog/Mist OVC010 12 12 100% 75.72 0.0
26 23:15 N 22 G 35 8.05 Fog/Mist OVC010 12 12 100% 75.74 0.0
26 22:55 N 24 G 35 8.05 Fog/Mist OVC010 12 12 100% 75.74 0.0
26 22:35 N 28 8.05 Fog/Mist OVC011 12 12 100% 75.77 0.0
26 22:15 N 28 G 41 8.05 Fog/Mist OVC011 12 12 100% 75.77 0.0
26 21:55 N 31 G 41 8.05 Fog/Mist OVC011 12 12 100% 75.77 0.0
26 21:35 N 30 G 41 8.05 Fog/Mist OVC011 12 12 100% 75.77 0.0
26 21:15 N 26 G 41 9.66 Fog/Mist OVC012 12 12 100% 75.77 0.0
26 20:55 N 20 G 33 8.05 Overcast OVC011 0 0 0% 75.77 0.0
26 20:35 NW 26 8.05 Fog/Mist OVC011 12 12 100% 75.77 0.0
26 20:15 NW 20 G 35 6.44 Fog/Mist OVC010 12 12 100% 75.79 0.0
26 19:55 NW 26 G 37 6.44 Fog/Mist OVC012 12 12 100% 75.79 0.0
26 19:35 N 22 G 35 6.44 Fog/Mist BKN012 13 12 94% 75.79 0.0
26 19:15 NW 30 6.44 Fog/Mist OVC012 13 12 94% 75.79 0.0
26 18:55 N 26 G 37 6.44 Fog/Mist OVC013 13 12 94% 75.82 0.0
26 18:35 N 30 G 39 6.44 Fog/Mist OVC013 14 12 88% 75.82 0.0
26 18:15 N 26 G 41 6.44 Overcast with Haze OVC013 14 12 88% 75.82 0.0
26 17:55 N 31 G 43 8.05 Mostly Cloudy with Haze BKN014 BKN018 14 12 88% 75.82 0.0
26 17:35 N 33 G 43 6.44 Partly Cloudy with Haze and Breezy SCT016 15 12 82% 75.82 0.0
26 17:15 NW 31 8.05 A Few Clouds with Haze FEW016 15 12 82% 75.84 0.0
26 16:55 N 33 G 48 8.05 Mostly Cloudy with Haze and Breezy BKN017 15 12 82% 75.84 0.0
26 16:35 N 26 G 37 8.05 Mostly Cloudy with Haze BKN018 15 12 82% 75.84 0.0
26 16:15 NW 33 G 44 8.05 Mostly Cloudy with Haze and Breezy BKN017 BKN022 15 11 77% 75.87 0.0
26 15:55 N 35 8.05 Overcast with Haze and Breezy OVC016 15 12 82% 75.9 0.0
26 15:35 N 35 8.05 Overcast with Haze and Breezy OVC016 15 12 82% 75.9 0.0
26 15:15 NW 31 9.66 Overcast with Haze OVC016 15 11 77% 75.92 0.0
26 14:55 N 30 9.66 Mostly Cloudy with Haze BKN016 16 12 77% 75.92 0.0
26 14:35 NW 28 G 39 8.05 Overcast with Haze OVC015 15 12 82% 75.92 0.0
26 14:15 NW 26 G 41 9.66 Overcast with Haze OVC015 15 12 82% 75.95 0.0
26 13:55 N 33 8.05 Mostly Cloudy with Haze and Breezy BKN016 15 12 82% 75.97 0.0
26 13:35 NW 30 G 43 9.66 Overcast with Haze OVC016 15 12 82% 75.97 0.0
26 13:15 NW 28 G 44 9.66 Overcast with Haze OVC015 15 12 82% 75.97 0.0
26 12:55 NW 30 G 43 9.66 Mostly Cloudy with Haze BKN016 15 12 82% 76 0.0
26 12:35 N 31 8.05 Mostly Cloudy with Haze BKN016 15 12 82% 76 0.0
26 12:15 NW 30 G 44 11.27 Mostly Cloudy BKN017 0 0 0% 76 0.0
26 11:55 NW 28 G 44 9.66 Mostly Cloudy with Haze BKN016 15 12 82% 76 0.0
26 11:35 NW 30 G 46 9.66 Mostly Cloudy with Haze BKN016 14 12 88% 76 0.0
26 11:15 NW 31 8.05 Mostly Cloudy with Haze BKN016 15 12 82% 76 0.0
26 10:55 NW 30 G 39 9.66 Overcast with Haze OVC016 14 12 88% 76 0.0
26 10:35 NW 30 G 39 9.66 Fog/Mist BKN016 14 12 88% 76 0.0
26 10:15 NW 37 G 48 9.66 Fog/Mist and Breezy BKN015 14 12 88% 75.97 0.0
26 09:55 NW 35 9.66 Fog/Mist and Breezy BKN016 13 12 94% 75.97 0.0
26 09:35 NW 31 G 46 9.66 Fog/Mist SCT015 14 12 88% 75.97 0.0
26 09:15 NW 30 G 46 9.66 Fog/Mist FEW014 13 12 94% 75.97 0.0
26 08:55 NW 35 G 50 9.66 Fog/Mist and Breezy BKN015 13 12 94% 75.97 0.0
26 08:35 NW 31 G 44 9.66 Fog/Mist SCT015 13 12 94% 75.95 0.0
26 08:15 NW 28 G 43 8.05 Fog/Mist SCT016 12 11 94% 75.95 0.0
26 07:55 NW 30 G 43 8.05 Fog/Mist OVC016 12 11 94% 75.95 0.0
26 07:35 NW 33 G 44 8.05 Fog/Mist and Breezy BKN018 BKN026 BKN030 12 11 94% 75.95 0.0
26 07:15 NW 28 G 41 8.05 Fog/Mist OVC018 12 11 94% 75.95 0.0
26 06:55 NW 24 G 35 8.05 Fog/Mist BKN018 12 11 94% 75.95 0.0
26 06:35 NW 28 G 41 8.05 Fog/Mist BKN018 OVC022 12 11 94% 75.95 0.0
26 06:15 NW 31 8.05 Fog/Mist BKN018 11 11 100% 75.95 0.0
26 05:55 NW 24 G 39 9.66 Fog/Mist OVC019 12 11 94% 75.97 0.0
26 05:35 NW 26 12.87 Overcast OVC017 12 11 94% 75.95 0.0
26 05:15 NW 26 G 35 11.27 Overcast OVC016 12 12 100% 75.95 0.0
26 04:55 NW 26 11.27 Overcast OVC016 12 12 100% 75.95 0.0
26 04:35 NW 26 G 43 12.87 Overcast OVC017 12 12 100% 75.92 0.0
26 04:15 NW 24 G 37 14.48 Overcast BKN014 OVC019 12 12 100% 75.95 0.0
26 03:55 NW 22 G 37 12.87 Overcast BKN009 OVC014 12 12 100% 75.95 0.0 0.15
26 03:35 NW 22 6.44 Fog/Mist NULL 12 12 100% 75.95 0.0
26 03:15 W 13 1.21 Light Rain Fog/Mist NULL 12 12 100% 75.95 0.0
26 02:55 SW 9 2.01 Fog/Mist NULL 12 12 100% 75.95 0.0
26 02:35 W 13 G 22 2.82 Fog/Mist SCT007 SCT011 OVC018 12 12 100% 75.97 0.0
26 02:15 W 7 8.05 Fog/Mist SCT012 BKN018 OVC023 13 13 100% 75.97 0.0
26 01:55 Vrbl 7 8.05 Fog/Mist OVC022 13 13 100% 76 0.0
26 01:35 W 9 11.27 Overcast OVC023 13 13 100% 76 0.0
26 01:15 W 13 12.87 Overcast OVC023 0 0 0% 76 0.0
26 00:55 W 11 11.27 Overcast OVC027 13 13 100% 76 0.0
26 00:35 W 13 11.27 Overcast OVC029 13 13 100% 76.02 0.0
26 00:15 Vrbl 9 11.27 Overcast OVC028 13 13 100% 76.02 0.0
25 23:55 W 13 11.27 Overcast BKN028 OVC032 13 13 100% 76.02 0.0
25 23:35 W 11 11.27 Overcast OVC033 0 0 0% 76.05 0.0
25 22:55 W 9 12.87 Overcast OVC036 13 13 100% 76.07 0.0
25 22:35 W 9 12.87 Overcast OVC037 13 13 100% 76.07 0.0
25 22:15 W 9 12.87 Overcast OVC037 13 13 100% 76.07 0.0
25 21:55 W 9 11.27 Overcast OVC038 13 13 100% 76.07 0.0
25 21:35 W 9 11.27 Overcast OVC037 13 13 100% 76.07 0.0
25 21:15 W 11 11.27 Overcast OVC035 13 13 100% 76.05 0.0
25 20:55 W 13 12.87 Overcast OVC035 13 13 100% 76.05 0.0
25 20:35 W 13 11.27 Overcast OVC034 13 13 100% 76.05 0.0
25 20:15 W 11 9.66 Fog/Mist OVC035 13 13 100% 76.05 0.0
25 19:55 W 15 8.05 Fog/Mist SCT024 OVC035 13 13 100% 76.05 0.0
25 19:35 W 11 11.27 Overcast OVC023 14 13 94% 76.05 0.0
25 19:15 W 11 11.27 Overcast FEW014 BKN023 OVC035 14 13 94% 76.05 0.0
25 18:55 SW 11 14.48 Overcast FEW016 OVC034 14 13 94% 76.07 0.0
25 18:35 SW 13 14.48 Overcast OVC035 14 13 94% 76.05 0.0
25 18:15 SW 13 16.09 Overcast OVC035 14 13 94% 76.07 0.0
25 17:55 W 13 14.48 Overcast OVC033 14 13 94% 76.07 0.0
25 17:35 W 13 14.48 Overcast OVC035 14 13 94% 76.07 0.0
25 17:15 W 11 14.48 Partly Cloudy SCT037 14 13 94% 76.1 0.0
25 16:55 W 15 16.09 A Few Clouds FEW035 15 13 88% 76.1 0.0
25 16:35 SW 11 14.48 Partly Cloudy SCT035 15 13 88% 76.1 0.0
25 16:15 SW 13 14.48 Mostly Cloudy BKN036 15 12 82% 76.12 0.0
25 15:55 W 15 14.48 Overcast OVC035 15 12 82% 76.12 0.0
25 15:35 Vrbl 11 14.48 Overcast OVC034 15 12 82% 76.15 0.0
25 15:15 W 13 14.48 Overcast OVC032 15 12 82% 76.15 0.0
25 14:55 W 13 14.48 Overcast OVC032 15 12 82% 76.17 0.0
25 14:35 W 11 16.09 Overcast OVC032 15 12 82% 76.17 0.0
25 14:15 W 13 14.48 Overcast OVC031 15 12 82% 76.17 0.0
25 13:55 W 9 14.48 Overcast OVC031 14 12 88% 76.2 0.0
25 13:35 W 11 14.48 Overcast OVC031 15 12 82% 76.2 0.0
25 13:15 Vrbl 11 14.48 Overcast OVC030 15 12 82% 76.2 0.0
25 12:55 SW 9 14.48 Overcast OVC030 15 12 82% 76.2 0.0
25 12:35 Vrbl 11 14.48 Overcast OVC031 15 12 82% 76.2 0.0
25 12:15 Vrbl 9 12.87 Overcast OVC030 15 12 82% 76.23 0.0
25 11:55 Vrbl 7 14.48 Overcast OVC031 15 11 77% 76.23 0.0
25 11:35 W 7 14.48 Overcast OVC031 14 12 88% 76.23 0.0
25 11:15 Vrbl 7 14.48 Overcast OVC031 15 12 82% 76.23 0.0
25 10:55 NW 7 14.48 Overcast OVC030 14 12 88% 76.23 0.0
25 10:35 NW 7 12.87 Overcast OVC030 14 12 88% 76.23 0.0
25 10:15 W 11 14.48 Overcast OVC028 14 12 88% 76.23 0.0
25 09:55 NW 9 14.48 Overcast OVC027 13 12 94% 76.23 0.0
25 09:35 NW 6 14.48 Overcast OVC026 0 0 0% 76.23 0.0
25 09:15 NW 7 14.48 Overcast OVC025 13 12 94% 76.23 0.0
25 08:55 NW 7 16.09 Overcast OVC024 13 12 94% 76.23 0.0
25 08:35 NW 13 16.09 Overcast OVC022 13 12 94% 76.23 0.0
25 08:15 NW 11 16.09 Overcast OVC021 13 12 94% 76.23 0.0
25 07:55 NW 7 14.48 Overcast OVC020 13 12 94% 76.2 0.0
25 07:35 NW 7 14.48 Overcast OVC021 12 12 100% 76.2 0.0
25 07:15 NW 7 14.48 Overcast OVC021 12 12 100% 76.2 0.0
25 06:55 NW 6 14.48 Overcast OVC022 0 0 0% 76.2 0.0
25 06:35 NW 7 12.87 Overcast OVC021 12 12 100% 76.2 0.0
25 06:15 Calm 14.48 Overcast OVC020 12 12 100% 76.17 0.0
25 05:55 Calm 16.09 Overcast OVC020 0 0 0% 76.17 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)