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
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.
13 05:15 Calm 5.00 Fog/Mist NULL 42.8 42.8 100% 30.01 0.0
13 05:00 Calm 0.00 NULL NULL 0 0 0% 30.01 0.0
13 02:55 Calm 6.00 Fog/Mist CLR 42.8 42.8 100% 30.01 0.0
13 02:35 Calm 6.00 Fog/Mist NULL 42.8 42.8 100% 30.01 0.0
12 21:55 Calm 5.00 Fog/Mist CLR 50 50 100% 29.97 0.0
12 21:35 Calm 5.00 Fog/Mist FEW018 51.8 51.8 100% 29.97 0.0
12 21:15 Calm 5.00 Fog/Mist BKN017 53.6 51.8 94% 29.96 0.0
12 20:55 Calm 5.00 Fog/Mist OVC017 53.6 53.6 100% 29.96 0.0
12 20:35 Calm 5.00 Fog/Mist OVC017 53.6 53.6 100% 29.96 0.0
12 20:15 Calm 5.00 Fog/Mist BKN016 51.8 51.8 100% 29.95 0.0
12 19:55 Calm 5.00 Fog/Mist NULL 53.6 51.8 94% 29.95 0.0
12 19:40 Calm 0.00 NULL NULL 53.6 53.6 100% 29.94 0.0
12 18:35 W 5 2.50 Fog/Mist CLR 59 57.2 94% 29.93 0.0
12 18:15 Calm 4.00 Fog/Mist CLR 59 55.4 88% 29.92 0.0
12 17:55 W 3 4.00 Fair with Haze CLR 60.8 55.4 83% 29.92 0.0
12 17:35 W 6 4.00 Fair with Haze CLR 62.6 55.4 77% 29.93 0.0
12 17:15 W 5 4.00 Fair with Haze CLR 62.6 55.4 77% 29.93 0.0
12 16:55 W 5 4.00 Fair with Haze CLR 62.6 53.6 73% 29.92 0.0
12 16:35 Vrbl 6 5.00 Fair with Haze CLR 0 0 0% 29.92 0.0
12 16:15 SW 5 5.00 Fair with Haze CLR 64.4 53.6 68% 29.92 0.0
12 15:55 Vrbl 6 4.00 Fair with Haze CLR 64.4 53.6 68% 29.92 0.0
12 15:35 S 6 5.00 Fair with Haze CLR 64.4 53.6 68% 29.92 0.0
12 15:15 Vrbl 6 4.00 Fair with Haze CLR 64.4 53.6 68% 29.92 0.0
12 14:55 SW 7 5.00 Fair with Haze CLR 64.4 53.6 68% 29.92 0.0
12 14:35 Vrbl 7 5.00 Fair with Haze CLR 64.4 53.6 68% 29.92 0.0
12 14:15 Vrbl 6 5.00 Fair with Haze CLR 62.6 51.8 68% 29.93 0.0
12 13:55 Vrbl 6 5.00 Haze NULL 64.4 51.8 64% 29.93 0.0
12 13:35 SW 6 0.00 NULL NULL 64.4 50 60% 29.93 0.0
12 13:15 W 6 0.00 NULL NULL 62.6 50 64% 29.94 0.0
12 12:55 SW 5 5.00 Fair with Haze CLR 62.6 48.2 60% 29.94 0.0
12 12:35 W 8 5.00 Fair with Haze CLR 62.6 48.2 60% 29.94 0.0
12 12:15 W 7 6.00 Fair CLR 0 0 0% 29.94 0.0
12 11:55 W 7 5.00 Fair with Haze CLR 62.6 46.4 56% 29.94 0.0
12 11:35 W 8 5.00 Fair with Haze CLR 62.6 46.4 56% 29.93 0.0
12 11:15 SW 6 5.00 Fair with Haze CLR 62.6 46.4 56% 29.93 0.0
12 10:55 Vrbl 6 6.00 Fair with Haze CLR 62.6 46.4 56% 29.92 0.0
12 10:35 SW 6 6.00 Fair with Haze CLR 62.6 46.4 56% 29.92 0.0
12 10:15 S 6 5.00 Fair with Haze CLR 62.6 46.4 56% 29.92 0.0
12 09:55 S 6 5.00 Fair with Haze CLR 62.6 46.4 56% 29.91 0.0
12 09:35 S 7 5.00 Fair with Haze CLR 60.8 46.4 59% 29.91 0.0
12 09:15 SE 6 5.00 Fair with Haze CLR 60.8 48.2 63% 29.9 0.0
12 08:55 Calm 5.00 Fair with Haze CLR 57.2 50 77% 29.9 0.0
12 08:35 Calm 5.00 Haze NULL 53.6 48.2 82% 29.89 0.0
12 08:15 Calm 5.00 Fog/Mist CLR 50 48.2 94% 29.89 0.0
12 07:55 Calm 5.00 Fog/Mist CLR 48.2 46.4 94% 29.88 0.0
12 07:35 Calm 5.00 Fog/Mist CLR 46.4 46.4 100% 29.88 0.0
12 07:15 Calm 6.00 Fog/Mist CLR 48.2 46.4 94% 29.88 0.0
12 06:55 Calm 7.00 Fair CLR 46.4 44.6 93% 29.87 0.0
12 06:35 Calm 6.00 Fog/Mist FEW055 48.2 44.6 87% 29.86 0.0
12 06:15 Calm 6.00 Fog/Mist SCT055 48.2 46.4 94% 29.86 0.0
12 05:55 Calm 7.00 Partly Cloudy SCT060 48.2 46.4 94% 29.85 0.0
12 05:35 NE 3 6.00 Fog/Mist FEW026 FEW031 BKN060 48.2 46.4 94% 29.85 0.0
12 05:15 Calm 7.00 Partly Cloudy FEW025 SCT060 SCT070 48.2 44.6 87% 29.84 0.0
12 04:55 Calm 6.00 Fog/Mist FEW024 SCT029 BKN070 50 46.4 88% 29.83 0.0
12 04:35 Calm 6.00 Fog/Mist BKN024 BKN028 BKN046 50 46.4 88% 29.82 0.0
12 04:15 Calm 6.00 Overcast with Haze BKN024 OVC045 50 46.4 88% 29.82 0.0
12 03:55 Calm 7.00 Overcast BKN024 OVC046 50 46.4 88% 29.82 0.0
12 03:35 Calm 7.00 Overcast FEW024 OVC045 50 46.4 88% 29.81 0.0
12 03:15 Calm 6.00 Overcast with Haze FEW026 OVC044 50 46.4 88% 29.81 0.0
12 02:55 SE 6 6.00 Mostly Cloudy with Haze FEW024 FEW028 BKN047 53.6 46.4 77% 29.81 0.0
12 02:35 Calm 6.00 Fog/Mist FEW028 SCT050 50 46.4 88% 29.8 0.0
12 02:15 Calm 6.00 Fog/Mist FEW027 SCT055 50 46.4 88% 29.8 0.0
12 01:55 E 3 6.00 Fog/Mist BKN026 50 46.4 88% 29.8 0.0
12 01:35 Calm 6.00 Overcast with Haze OVC024 51.8 46.4 82% 29.79 0.0
12 01:15 E 5 6.00 Overcast OVC023 0 0 0% 29.79 0.0
12 00:55 SE 9 7.00 Overcast OVC022 55.4 46.4 72% 29.78 0.0
12 00:35 SE 13 6.00 Overcast with Haze OVC021 53.6 48.2 82% 29.77 0.0
12 00:15 SE 10 6.00 Overcast with Haze OVC021 53.6 48.2 82% 29.77 0.0
11 23:55 SE 10 6.00 Overcast with Haze OVC021 53.6 48.2 82% 29.77 0.0
11 23:35 SE 9 6.00 Overcast with Haze OVC020 53.6 48.2 82% 29.76 0.0
11 23:15 SE 8 6.00 Overcast with Haze OVC021 53.6 48.2 82% 29.76 0.0
11 22:55 SE 8 6.00 Overcast with Haze OVC021 51.8 48.2 88% 29.75 0.0
11 22:35 SE 6 6.00 Overcast with Haze OVC022 51.8 48.2 88% 29.75 0.0
11 22:15 SE 7 6.00 Overcast with Haze OVC022 53.6 48.2 82% 29.74 0.0
11 21:55 SE 8 5.00 Overcast with Haze OVC025 53.6 48.2 82% 29.73 0.0
11 21:35 SE 8 5.00 Overcast with Haze OVC027 55.4 50 82% 29.73 0.0
11 21:15 SE 8 4.00 Overcast with Haze OVC027 55.4 50 82% 29.72 0.0
11 20:55 S 8 4.00 Overcast with Haze OVC025 55.4 50 82% 29.72 0.0
11 20:35 S 6 4.00 Fog/Mist OVC024 53.6 50 88% 29.72 0.0
11 20:15 S 3 5.00 Overcast with Haze OVC023 53.6 48.2 82% 29.71 0.0
11 19:55 Calm 5.00 Fog/Mist OVC022 51.8 48.2 88% 29.7 0.0
11 19:35 Calm 4.00 Overcast with Haze OVC022 55.4 50 82% 29.7 0.0
11 19:15 W 6 5.00 Mostly Cloudy with Haze BKN022 55.4 50 82% 29.69 0.0
11 18:55 W 5 3.00 Partly Cloudy with Haze SCT021 55.4 50 82% 29.68 0.0
11 18:35 W 6 3.00 Partly Cloudy with Haze SCT022 55.4 50 82% 29.68 0.0
11 18:15 W 5 3.00 Mostly Cloudy with Haze BKN023 57.2 50 77% 29.68 0.0
11 17:55 W 7 3.00 A Few Clouds with Haze FEW022 57.2 50 77% 29.67 0.0
11 17:35 W 7 4.00 Fair with Haze CLR 59 50 72% 29.67 0.0
11 17:15 W 9 4.00 Fair with Haze CLR 59 50 72% 29.66 0.0
11 16:55 W 7 4.00 Fair with Haze CLR 60.8 50 68% 29.66 0.0
11 16:35 W 8 4.00 A Few Clouds FEW023 0 0 0% 29.66 0.0
11 16:15 W 9 4.00 Fair with Haze CLR 59 50 72% 29.66 0.0
11 15:55 W 12 4.00 Partly Cloudy with Haze SCT022 60.8 50 68% 29.66 0.0
11 15:35 W 10 4.00 Partly Cloudy with Haze SCT022 60.8 50 68% 29.65 0.0
11 15:15 W 8 4.00 Partly Cloudy with Haze SCT022 60.8 50 68% 29.65 0.0
11 14:55 W 10 4.00 Partly Cloudy with Haze SCT022 60.8 50 68% 29.64 0.0
11 14:35 W 9 4.00 Partly Cloudy with Haze SCT021 60.8 50 68% 29.64 0.0
11 14:15 W 9 4.00 Fair with Haze CLR 60.8 50 68% 29.63 0.0
11 13:55 W 10 4.00 Fair with Haze CLR 60.8 50 68% 29.64 0.0
11 13:35 NW 8 G 15 4.00 Haze NULL 62.6 50 64% 29.64 0.0
11 13:15 NW 8 G 14 5.00 Fair with Haze CLR 60.8 48.2 63% 29.63 0.0
11 12:55 NW 7 G 14 4.00 Fair with Haze CLR 60.8 50 68% 29.63 0.0
11 12:35 W 9 4.00 Fair with Haze CLR 60.8 50 68% 29.63 0.0
11 12:15 NW 9 4.00 Fair with Haze CLR 60.8 50 68% 29.63 0.0
11 11:55 NW 9 4.00 A Few Clouds with Haze FEW022 60.8 51.8 72% 29.63 0.0
11 11:35 W 9 4.00 Mostly Cloudy with Haze BKN020 60.8 51.8 72% 29.62 0.0
11 11:15 Calm 4.00 Mostly Cloudy with Haze BKN020 59 53.6 82% 29.62 0.0
11 10:55 W 7 4.00 Haze NULL 60.8 53.6 77% 29.61 0.0
11 10:35 SW 5 4.00 Fair CLR 0 0 0% 29.61 0.0
11 10:15 SW 6 4.00 Fair with Haze CLR 59 53.6 82% 29.6 0.0
11 09:55 S 6 3.00 Fair CLR 0 0 0% 29.6 0.0
11 09:35 S 5 4.00 Fair with Haze CLR 57.2 53.6 88% 29.59 0.0
11 09:15 S 5 4.00 Fog/Mist CLR 57.2 53.6 88% 29.58 0.0
11 08:55 Calm 4.00 Fog/Mist CLR 55.4 53.6 94% 29.57 0.0
11 08:35 Calm 4.00 Fog/Mist CLR 51.8 51.8 100% 29.56 0.0
11 07:55 NE 3 3.00 Fog/Mist CLR 46.4 46.4 100% 29.55 0.0
11 07:35 Calm 3.00 A Few Clouds FEW015 0 0 0% 29.54 0.0
11 07:15 NE 5 4.00 Fog/Mist SCT015 46.4 46.4 100% 45 29.54 0.0
11 06:55 Calm 4.00 Fog/Mist SCT014 48.2 48.2 100% 29.53 0.0
11 06:35 NE 3 4.00 Fog/Mist SCT014 SCT045 46.4 46.4 100% 29.53 0.0
11 06:15 NE 6 4.00 Fog/Mist FEW015 FEW035 SCT045 48.2 48.2 100% 46 29.52 0.0
11 05:35 E 5 5.00 Fog/Mist BKN016 48.2 48.2 100% 47 29.52 0.0
11 05:15 Calm 5.00 Fog/Mist OVC017 50 50 100% 29.51 0.0
11 04:55 Calm 5.00 Fog/Mist OVC018 50 50 100% 29.51 0.0
11 04:35 Calm 5.00 Fog/Mist OVC017 48.2 48.2 100% 29.51 0.0
11 04:15 E 3 5.00 Fog/Mist BKN016 48.2 48.2 100% 29.52 0.0
11 03:55 NW 5 4.00 Fog/Mist BKN016 BKN033 53.6 51.8 94% 29.52 0.0
11 03:35 N 5 4.00 Fog/Mist SCT017 SCT033 53.6 51.8 94% 29.53 0.0
11 03:15 NW 7 G 14 5.00 Fog/Mist SCT017 55.4 53.6 94% 29.54 0.0
11 02:55 N 5 5.00 Fog/Mist SCT016 53.6 51.8 94% 29.54 0.0
11 02:35 N 5 5.00 Fog/Mist BKN016 55.4 53.6 94% 29.55 0.0
11 02:15 N 6 G 13 4.00 Fog/Mist BKN016 BKN024 55.4 53.6 94% 29.55 0.0
11 01:55 N 8 4.00 Fog/Mist FEW016 55.4 53.6 94% 29.55 0.0
11 01:35 Calm 4.00 Fog/Mist FEW016 FEW023 53.6 51.8 94% 29.55 0.0
11 01:15 Calm 4.00 Fog/Mist FEW017 FEW023 0 0 0% 29.55 0.0
11 00:55 NW 5 4.00 Fog/Mist SCT016 55.4 53.6 94% 29.55 0.0
11 00:35 NW 10 4.00 Fog/Mist SCT017 55.4 53.6 94% 29.55 0.0
11 00:15 NW 9 4.00 Fog/Mist BKN017 55.4 53.6 94% 29.56 0.0
10 23:55 NW 7 G 14 4.00 Fog/Mist SCT018 55.4 53.6 94% 29.57 0.0
10 23:35 NW 13 4.00 Fog/Mist SCT018 SCT028 57.2 53.6 88% 29.57 0.0
10 23:15 NW 15 4.00 Fog/Mist SCT018 57.2 53.6 88% 29.57 0.0
10 22:55 NW 13 4.00 Fog/Mist BKN020 57.2 53.6 88% 29.58 0.0
10 22:35 NW 9 4.00 Fog/Mist BKN021 BKN027 57.2 53.6 88% 29.59 0.0
10 22:15 NW 8 4.00 Fog/Mist BKN023 57.2 53.6 88% 29.59 0.0
10 21:55 NW 8 4.00 Fog/Mist OVC022 57.2 53.6 88% 29.6 0.0
10 21:35 NW 8 3.00 Fog/Mist BKN022 57.2 53.6 88% 29.6 0.0
10 21:15 NW 6 3.00 Fog/Mist BKN021 BKN027 55.4 53.6 94% 29.61 0.0
10 20:55 NW 7 G 13 4.00 Fog/Mist FEW020 SCT027 55.4 53.6 94% 29.61 0.0
10 20:35 NW 8 4.00 Fog/Mist FEW020 57.2 53.6 88% 29.62 0.0
10 20:15 NW 7 4.00 Fog/Mist FEW019 57.2 53.6 88% 29.62 0.0
10 19:55 NW 7 4.00 A Few Clouds with Haze FEW021 57.2 51.8 82% 29.62 0.0
10 19:35 NW 8 G 15 4.00 A Few Clouds with Haze FEW021 57.2 51.8 82% 29.62 0.0
10 19:15 NW 10 4.00 A Few Clouds with Haze FEW018 57.2 51.8 82% 29.62 0.0
10 18:55 NW 13 3.00 A Few Clouds with Haze FEW019 57.2 51.8 82% 29.62 0.0
10 18:35 NW 8 G 14 3.00 Haze NULL 57.2 51.8 82% 29.63 0.0
10 18:15 Calm 3.00 Fair with Haze CLR 0 0 0% 0 0.0
10 17:55 NW 10 3.00 Fair with Haze CLR 59 51.8 77% 29.64 0.0
10 17:35 NW 12 3.00 Haze NULL 59 51.8 77% 29.64 0.0
10 17:25 NW 12 0.00 NULL NULL 0 0 0% 29.64 0.0
10 16:55 NW 14 G 20 4.00 Fair with Haze CLR 60.8 50 68% 29.64 0.0
10 16:35 NW 16 4.00 Fair with Haze CLR 60.8 50 68% 29.64 0.0
10 16:15 NW 14 4.00 Haze NULL 60.8 50 68% 29.65 0.0
10 15:55 NW 12 0.00 NULL NULL 0 0 0% 29.66 0.0
10 11:55 NW 10 3.00 A Few Clouds FEW018 0 0 0% 29.72 0.0
10 11:35 NW 10 4.00 Mostly Cloudy with Haze BKN018 60.8 53.6 77% 29.72 0.0
10 11:15 NW 10 3.00 Mostly Cloudy with Haze BKN018 60.8 53.6 77% 29.72 0.0
10 10:55 NW 9 4.00 A Few Clouds with Haze FEW018 60.8 53.6 77% 29.72 0.0
10 10:35 NW 10 3.00 Mostly Cloudy with Haze BKN018 60.8 53.6 77% 29.73 0.0
10 10:15 NW 7 G 15 3.00 Mostly Cloudy with Haze BKN019 59 53.6 82% 29.73 0.0
10 09:55 NW 13 3.00 Mostly Cloudy with Haze BKN019 59 53.6 82% 29.73 0.0
10 09:35 NW 9 3.00 Mostly Cloudy with Haze BKN019 59 53.6 82% 29.73 0.0
10 09:15 NW 10 3.00 Mostly Cloudy with Haze BKN018 59 53.6 82% 29.72 0.0
10 08:55 NW 7 3.00 Overcast with Haze OVC018 57.2 53.6 88% 29.72 0.0
10 08:35 NW 9 3.00 Fog/Mist OVC018 57.2 53.6 88% 29.71 0.0
10 08:15 NW 12 3.00 Fog/Mist BKN017 57.2 55.4 94% 29.71 0.0
10 07:55 NW 10 3.00 Overcast OVC016 0 0 0% 29.71 0.0
10 07:35 NW 8 2.50 Fog/Mist OVC017 57.2 55.4 94% 29.71 0.0
10 07:15 NW 9 4.00 Fog/Mist OVC017 57.2 55.4 94% 29.71 0.0
10 06:55 NW 9 4.00 Fog/Mist OVC016 57.2 55.4 94% 29.7 0.0
10 06:35 NW 10 4.00 Fog/Mist OVC016 57.2 55.4 94% 29.71 0.0
10 06:15 NW 9 4.00 Fog/Mist OVC015 57.2 57.2 100% 29.71 0.0
10 05:55 NW 8 3.00 Fog/Mist OVC015 57.2 57.2 100% 29.71 0.0
10 05:35 NW 9 4.00 Fog/Mist OVC015 57.2 55.4 94% 29.7 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)