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.
12 16:55 W 7 6.44 Fair with Haze CLR 17 12 73% 76 0.0
12 16:35 Vrbl 9 8.05 Fair with Haze CLR 0 0 0% 76 0.0
12 16:15 SW 7 8.05 Fair with Haze CLR 18 12 68% 76 0.0
12 15:55 Vrbl 9 6.44 Fair with Haze CLR 18 12 68% 76 0.0
12 15:35 S 9 8.05 Fair with Haze CLR 18 12 68% 76 0.0
12 15:15 Vrbl 9 6.44 Fair with Haze CLR 18 12 68% 76 0.0
12 14:55 SW 11 8.05 Fair with Haze CLR 18 12 68% 76 0.0
12 14:35 Vrbl 11 8.05 Fair with Haze CLR 18 12 68% 76 0.0
12 14:15 Vrbl 9 8.05 Fair with Haze CLR 17 11 68% 76.02 0.0
12 13:55 Vrbl 9 8.05 Haze NULL 18 11 64% 76.02 0.0
12 13:35 SW 9 0.00 NULL NULL 18 10 60% 76.02 0.0
12 13:15 W 9 0.00 NULL NULL 17 10 64% 76.05 0.0
12 12:55 SW 7 8.05 Fair with Haze CLR 17 9 60% 76.05 0.0
12 12:35 W 13 8.05 Fair with Haze CLR 17 9 60% 76.05 0.0
12 12:15 W 11 9.66 Fair CLR 0 0 0% 76.05 0.0
12 11:55 W 11 8.05 Fair with Haze CLR 17 8 56% 76.05 0.0
12 11:35 W 13 8.05 Fair with Haze CLR 17 8 56% 76.02 0.0
12 11:15 SW 9 8.05 Fair with Haze CLR 17 8 56% 76.02 0.0
12 10:55 Vrbl 9 9.66 Fair with Haze CLR 17 8 56% 76 0.0
12 10:35 SW 9 9.66 Fair with Haze CLR 17 8 56% 76 0.0
12 10:15 S 9 8.05 Fair with Haze CLR 17 8 56% 76 0.0
12 09:55 S 9 8.05 Fair with Haze CLR 17 8 56% 75.97 0.0
12 09:35 S 11 8.05 Fair with Haze CLR 16 8 59% 75.97 0.0
12 09:15 SE 9 8.05 Fair with Haze CLR 16 9 63% 75.95 0.0
12 08:55 Calm 8.05 Fair with Haze CLR 14 10 77% 75.95 0.0
12 08:35 Calm 8.05 Haze NULL 12 9 82% 75.92 0.0
12 08:15 Calm 8.05 Fog/Mist CLR 10 9 94% 75.92 0.0
12 07:55 Calm 8.05 Fog/Mist CLR 9 8 94% 75.9 0.0
12 07:35 Calm 8.05 Fog/Mist CLR 8 8 100% 75.9 0.0
12 07:15 Calm 9.66 Fog/Mist CLR 9 8 94% 75.9 0.0
12 06:55 Calm 11.27 Fair CLR 8 7 93% 75.87 0.0
12 06:35 Calm 9.66 Fog/Mist FEW055 9 7 87% 75.84 0.0
12 06:15 Calm 9.66 Fog/Mist SCT055 9 8 94% 75.84 0.0
12 05:55 Calm 11.27 Partly Cloudy SCT060 9 8 94% 75.82 0.0
12 05:35 NE 6 9.66 Fog/Mist FEW026 FEW031 BKN060 9 8 94% 75.82 0.0
12 05:15 Calm 11.27 Partly Cloudy FEW025 SCT060 SCT070 9 7 87% 75.79 0.0
12 04:55 Calm 9.66 Fog/Mist FEW024 SCT029 BKN070 10 8 88% 75.77 0.0
12 04:35 Calm 9.66 Fog/Mist BKN024 BKN028 BKN046 10 8 88% 75.74 0.0
12 04:15 Calm 9.66 Overcast with Haze BKN024 OVC045 10 8 88% 75.74 0.0
12 03:55 Calm 11.27 Overcast BKN024 OVC046 10 8 88% 75.74 0.0
12 03:35 Calm 11.27 Overcast FEW024 OVC045 10 8 88% 75.72 0.0
12 03:15 Calm 9.66 Overcast with Haze FEW026 OVC044 10 8 88% 75.72 0.0
12 02:55 SE 9 9.66 Mostly Cloudy with Haze FEW024 FEW028 BKN047 12 8 77% 75.72 0.0
12 02:35 Calm 9.66 Fog/Mist FEW028 SCT050 10 8 88% 75.69 0.0
12 02:15 Calm 9.66 Fog/Mist FEW027 SCT055 10 8 88% 75.69 0.0
12 01:55 E 6 9.66 Fog/Mist BKN026 10 8 88% 75.69 0.0
12 01:35 Calm 9.66 Overcast with Haze OVC024 11 8 82% 75.67 0.0
12 01:15 E 7 9.66 Overcast OVC023 0 0 0% 75.67 0.0
12 00:55 SE 15 11.27 Overcast OVC022 13 8 72% 75.64 0.0
12 00:35 SE 20 9.66 Overcast with Haze OVC021 12 9 82% 75.62 0.0
12 00:15 SE 17 9.66 Overcast with Haze OVC021 12 9 82% 75.62 0.0
11 23:55 SE 17 9.66 Overcast with Haze OVC021 12 9 82% 75.62 0.0
11 23:35 SE 15 9.66 Overcast with Haze OVC020 12 9 82% 75.59 0.0
11 23:15 SE 13 9.66 Overcast with Haze OVC021 12 9 82% 75.59 0.0
11 22:55 SE 13 9.66 Overcast with Haze OVC021 11 9 88% 75.57 0.0
11 22:35 SE 9 9.66 Overcast with Haze OVC022 11 9 88% 75.57 0.0
11 22:15 SE 11 9.66 Overcast with Haze OVC022 12 9 82% 75.54 0.0
11 21:55 SE 13 8.05 Overcast with Haze OVC025 12 9 82% 75.51 0.0
11 21:35 SE 13 8.05 Overcast with Haze OVC027 13 10 82% 75.51 0.0
11 21:15 SE 13 6.44 Overcast with Haze OVC027 13 10 82% 75.49 0.0
11 20:55 S 13 6.44 Overcast with Haze OVC025 13 10 82% 75.49 0.0
11 20:35 S 9 6.44 Fog/Mist OVC024 12 10 88% 75.49 0.0
11 20:15 S 6 8.05 Overcast with Haze OVC023 12 9 82% 75.46 0.0
11 19:55 Calm 8.05 Fog/Mist OVC022 11 9 88% 75.44 0.0
11 19:35 Calm 6.44 Overcast with Haze OVC022 13 10 82% 75.44 0.0
11 19:15 W 9 8.05 Mostly Cloudy with Haze BKN022 13 10 82% 75.41 0.0
11 18:55 W 7 4.83 Partly Cloudy with Haze SCT021 13 10 82% 75.39 0.0
11 18:35 W 9 4.83 Partly Cloudy with Haze SCT022 13 10 82% 75.39 0.0
11 18:15 W 7 4.83 Mostly Cloudy with Haze BKN023 14 10 77% 75.39 0.0
11 17:55 W 11 4.83 A Few Clouds with Haze FEW022 14 10 77% 75.36 0.0
11 17:35 W 11 6.44 Fair with Haze CLR 15 10 72% 75.36 0.0
11 17:15 W 15 6.44 Fair with Haze CLR 15 10 72% 75.34 0.0
11 16:55 W 11 6.44 Fair with Haze CLR 16 10 68% 75.34 0.0
11 16:35 W 13 6.44 A Few Clouds FEW023 0 0 0% 75.34 0.0
11 16:15 W 15 6.44 Fair with Haze CLR 15 10 72% 75.34 0.0
11 15:55 W 19 6.44 Partly Cloudy with Haze SCT022 16 10 68% 75.34 0.0
11 15:35 W 17 6.44 Partly Cloudy with Haze SCT022 16 10 68% 75.31 0.0
11 15:15 W 13 6.44 Partly Cloudy with Haze SCT022 16 10 68% 75.31 0.0
11 14:55 W 17 6.44 Partly Cloudy with Haze SCT022 16 10 68% 75.29 0.0
11 14:35 W 15 6.44 Partly Cloudy with Haze SCT021 16 10 68% 75.29 0.0
11 14:15 W 15 6.44 Fair with Haze CLR 16 10 68% 75.26 0.0
11 13:55 W 17 6.44 Fair with Haze CLR 16 10 68% 75.29 0.0
11 13:35 NW 13 G 24 6.44 Haze NULL 17 10 64% 75.29 0.0
11 13:15 NW 13 G 22 8.05 Fair with Haze CLR 16 9 63% 75.26 0.0
11 12:55 NW 11 G 22 6.44 Fair with Haze CLR 16 10 68% 75.26 0.0
11 12:35 W 15 6.44 Fair with Haze CLR 16 10 68% 75.26 0.0
11 12:15 NW 15 6.44 Fair with Haze CLR 16 10 68% 75.26 0.0
11 11:55 NW 15 6.44 A Few Clouds with Haze FEW022 16 11 72% 75.26 0.0
11 11:35 W 15 6.44 Mostly Cloudy with Haze BKN020 16 11 72% 75.23 0.0
11 11:15 Calm 6.44 Mostly Cloudy with Haze BKN020 15 12 82% 75.23 0.0
11 10:55 W 11 6.44 Haze NULL 16 12 77% 75.21 0.0
11 10:35 SW 7 6.44 Fair CLR 0 0 0% 75.21 0.0
11 10:15 SW 9 6.44 Fair with Haze CLR 15 12 82% 75.18 0.0
11 09:55 S 9 4.83 Fair CLR 0 0 0% 75.18 0.0
11 09:35 S 7 6.44 Fair with Haze CLR 14 12 88% 75.16 0.0
11 09:15 S 7 6.44 Fog/Mist CLR 14 12 88% 75.13 0.0
11 08:55 Calm 6.44 Fog/Mist CLR 13 12 94% 75.11 0.0
11 08:35 Calm 6.44 Fog/Mist CLR 11 11 100% 75.08 0.0
11 07:55 NE 6 4.83 Fog/Mist CLR 8 8 100% 75.06 0.0
11 07:35 Calm 4.83 A Few Clouds FEW015 0 0 0% 75.03 0.0
11 07:15 NE 7 6.44 Fog/Mist SCT015 8 8 100% 7 75.03 0.0
11 06:55 Calm 6.44 Fog/Mist SCT014 9 9 100% 75.01 0.0
11 06:35 NE 6 6.44 Fog/Mist SCT014 SCT045 8 8 100% 75.01 0.0
11 06:15 NE 9 6.44 Fog/Mist FEW015 FEW035 SCT045 9 9 100% 8 74.98 0.0
11 05:35 E 7 8.05 Fog/Mist BKN016 9 9 100% 8 74.98 0.0
11 05:15 Calm 8.05 Fog/Mist OVC017 10 10 100% 74.96 0.0
11 04:55 Calm 8.05 Fog/Mist OVC018 10 10 100% 74.96 0.0
11 04:35 Calm 8.05 Fog/Mist OVC017 9 9 100% 74.96 0.0
11 04:15 E 6 8.05 Fog/Mist BKN016 9 9 100% 74.98 0.0
11 03:55 NW 7 6.44 Fog/Mist BKN016 BKN033 12 11 94% 74.98 0.0
11 03:35 N 7 6.44 Fog/Mist SCT017 SCT033 12 11 94% 75.01 0.0
11 03:15 NW 11 G 22 8.05 Fog/Mist SCT017 13 12 94% 75.03 0.0
11 02:55 N 7 8.05 Fog/Mist SCT016 12 11 94% 75.03 0.0
11 02:35 N 7 8.05 Fog/Mist BKN016 13 12 94% 75.06 0.0
11 02:15 N 9 G 20 6.44 Fog/Mist BKN016 BKN024 13 12 94% 75.06 0.0
11 01:55 N 13 6.44 Fog/Mist FEW016 13 12 94% 75.06 0.0
11 01:35 Calm 6.44 Fog/Mist FEW016 FEW023 12 11 94% 75.06 0.0
11 01:15 Calm 6.44 Fog/Mist FEW017 FEW023 0 0 0% 75.06 0.0
11 00:55 NW 7 6.44 Fog/Mist SCT016 13 12 94% 75.06 0.0
11 00:35 NW 17 6.44 Fog/Mist SCT017 13 12 94% 75.06 0.0
11 00:15 NW 15 6.44 Fog/Mist BKN017 13 12 94% 75.08 0.0
10 23:55 NW 11 G 22 6.44 Fog/Mist SCT018 13 12 94% 75.11 0.0
10 23:35 NW 20 6.44 Fog/Mist SCT018 SCT028 14 12 88% 75.11 0.0
10 23:15 NW 24 6.44 Fog/Mist SCT018 14 12 88% 75.11 0.0
10 22:55 NW 20 6.44 Fog/Mist BKN020 14 12 88% 75.13 0.0
10 22:35 NW 15 6.44 Fog/Mist BKN021 BKN027 14 12 88% 75.16 0.0
10 22:15 NW 13 6.44 Fog/Mist BKN023 14 12 88% 75.16 0.0
10 21:55 NW 13 6.44 Fog/Mist OVC022 14 12 88% 75.18 0.0
10 21:35 NW 13 4.83 Fog/Mist BKN022 14 12 88% 75.18 0.0
10 21:15 NW 9 4.83 Fog/Mist BKN021 BKN027 13 12 94% 75.21 0.0
10 20:55 NW 11 G 20 6.44 Fog/Mist FEW020 SCT027 13 12 94% 75.21 0.0
10 20:35 NW 13 6.44 Fog/Mist FEW020 14 12 88% 75.23 0.0
10 20:15 NW 11 6.44 Fog/Mist FEW019 14 12 88% 75.23 0.0
10 19:55 NW 11 6.44 A Few Clouds with Haze FEW021 14 11 82% 75.23 0.0
10 19:35 NW 13 G 24 6.44 A Few Clouds with Haze FEW021 14 11 82% 75.23 0.0
10 19:15 NW 17 6.44 A Few Clouds with Haze FEW018 14 11 82% 75.23 0.0
10 18:55 NW 20 4.83 A Few Clouds with Haze FEW019 14 11 82% 75.23 0.0
10 18:35 NW 13 G 22 4.83 Haze NULL 14 11 82% 75.26 0.0
10 18:15 Calm 4.83 Fair with Haze CLR 0 0 0% 0 0.0
10 17:55 NW 17 4.83 Fair with Haze CLR 15 11 77% 75.29 0.0
10 17:35 NW 19 4.83 Haze NULL 15 11 77% 75.29 0.0
10 17:25 NW 19 0.00 NULL NULL 0 0 0% 75.29 0.0
10 16:55 NW 22 G 31 6.44 Fair with Haze CLR 16 10 68% 75.29 0.0
10 16:35 NW 26 6.44 Fair with Haze CLR 16 10 68% 75.29 0.0
10 16:15 NW 22 6.44 Haze NULL 16 10 68% 75.31 0.0
10 15:55 NW 19 0.00 NULL NULL 0 0 0% 75.34 0.0
10 11:55 NW 17 4.83 A Few Clouds FEW018 0 0 0% 75.49 0.0
10 11:35 NW 17 6.44 Mostly Cloudy with Haze BKN018 16 12 77% 75.49 0.0
10 11:15 NW 17 4.83 Mostly Cloudy with Haze BKN018 16 12 77% 75.49 0.0
10 10:55 NW 15 6.44 A Few Clouds with Haze FEW018 16 12 77% 75.49 0.0
10 10:35 NW 17 4.83 Mostly Cloudy with Haze BKN018 16 12 77% 75.51 0.0
10 10:15 NW 11 G 24 4.83 Mostly Cloudy with Haze BKN019 15 12 82% 75.51 0.0
10 09:55 NW 20 4.83 Mostly Cloudy with Haze BKN019 15 12 82% 75.51 0.0
10 09:35 NW 15 4.83 Mostly Cloudy with Haze BKN019 15 12 82% 75.51 0.0
10 09:15 NW 17 4.83 Mostly Cloudy with Haze BKN018 15 12 82% 75.49 0.0
10 08:55 NW 11 4.83 Overcast with Haze OVC018 14 12 88% 75.49 0.0
10 08:35 NW 15 4.83 Fog/Mist OVC018 14 12 88% 75.46 0.0
10 08:15 NW 19 4.83 Fog/Mist BKN017 14 13 94% 75.46 0.0
10 07:55 NW 17 4.83 Overcast OVC016 0 0 0% 75.46 0.0
10 07:35 NW 13 4.02 Fog/Mist OVC017 14 13 94% 75.46 0.0
10 07:15 NW 15 6.44 Fog/Mist OVC017 14 13 94% 75.46 0.0
10 06:55 NW 15 6.44 Fog/Mist OVC016 14 13 94% 75.44 0.0
10 06:35 NW 17 6.44 Fog/Mist OVC016 14 13 94% 75.46 0.0
10 06:15 NW 15 6.44 Fog/Mist OVC015 14 14 100% 75.46 0.0
10 05:55 NW 13 4.83 Fog/Mist OVC015 14 14 100% 75.46 0.0
10 05:35 NW 15 6.44 Fog/Mist OVC015 14 13 94% 75.44 0.0
10 05:15 NW 9 6.44 Fog/Mist OVC016 15 14 94% 75.46 0.0
10 04:55 NW 13 4.83 Fog/Mist OVC015 15 14 94% 75.46 0.0
10 04:35 W 7 6.44 Fog/Mist OVC015 15 14 94% 75.46 0.0
10 04:15 Calm 6.44 Fog/Mist OVC015 15 15 100% 75.46 0.0
10 03:55 S 7 6.44 Fog/Mist OVC016 15 14 94% 75.49 0.0
10 03:35 S 7 6.44 Fog/Mist OVC016 15 14 94% 75.49 0.0
10 03:15 Vrbl 9 8.05 Fog/Mist OVC016 15 14 94% 75.51 0.0
10 02:55 S 13 6.44 Fog/Mist OVC017 15 15 100% 75.51 0.0
10 02:35 S 15 6.44 Fog/Mist OVC014 15 15 100% 75.51 0.0
10 02:15 S 11 8.05 Fog/Mist BKN015 OVC019 15 15 100% 75.51 0.0
10 01:55 S 15 8.05 Fog/Mist FEW013 BKN019 15 15 100% 75.54 0.0
10 01:35 S 17 8.05 Fog/Mist OVC016 15 15 100% 75.54 0.0
10 01:15 S 17 8.05 Fog/Mist OVC015 15 15 100% 75.54 0.0
10 00:55 S 13 8.05 Fog/Mist OVC015 15 15 100% 75.57 0.0
10 00:35 S 11 6.44 Fog/Mist FEW009 OVC014 15 15 100% 75.57 0.0
10 00:15 S 15 3.22 Fog/Mist OVC012 15 15 100% 75.57 0.0
09 23:55 S 11 6.44 Fog/Mist OVC014 15 15 100% 75.59 0.0
09 23:35 S 11 6.44 Fog/Mist OVC014 15 15 100% 75.57 0.0
09 23:15 S 15 8.05 Overcast OVC014 0 0 0% 75.57 0.0
09 22:55 S 13 8.05 Fog/Mist FEW008 OVC013 15 15 100% 75.59 0.0
09 22:35 S 13 4.83 Fog/Mist OVC010 15 15 100% 75.59 0.0
09 22:15 S 13 4.83 Fog/Mist OVC010 15 15 100% 75.59 0.0
09 21:55 S 11 4.83 Fog/Mist OVC009 15 15 100% 75.59 0.0
09 21:35 Vrbl 9 6.44 Fog/Mist OVC008 15 15 100% 75.57 0.0
09 21:15 S 13 6.44 Fog/Mist OVC009 15 15 100% 75.57 0.0
09 20:55 S 13 9.66 Fog/Mist OVC010 15 15 100% 75.59 0.0
09 20:35 S 13 9.66 Fog/Mist OVC010 15 15 100% 75.59 0.0
09 20:15 S 13 8.05 Fog/Mist OVC010 15 15 100% 75.59 0.0
09 19:55 S 13 8.05 Fog/Mist OVC010 15 15 100% 75.59 0.0
09 19:35 S 9 G 20 9.66 Overcast OVC010 0 0 0% 75.59 0.0
09 19:15 S 11 9.66 Fog/Mist OVC010 15 15 100% 75.57 0.0
09 18:55 S 11 9.66 Fog/Mist OVC010 15 15 100% 75.57 0.0
09 18:35 SW 11 6.44 Fog/Mist OVC010 15 15 100% 75.59 0.0
09 18:15 S 11 6.44 Fog/Mist OVC010 15 15 100% 75.59 0.0
09 17:55 S 11 8.05 Fog/Mist OVC010 15 15 100% 75.59 0.0
09 17:35 S 11 8.05 Fog/Mist OVC010 16 15 94% 75.62 0.0
09 17:15 S 13 9.66 Fog/Mist OVC010 16 15 94% 75.59 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)