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 12:55 NW 15 12.87 Fair CLR 16 12 77% 76.58 0.0
28 12:35 W 17 14.48 Fair CLR 15 12 82% 76.58 0.0
28 12:15 W 13 14.48 Fair CLR 15 12 82% 76.58 0.0
28 11:55 Vrbl 9 12.87 Fair CLR 15 12 82% 76.61 0.0
28 11:35 W 15 14.48 Fair CLR 15 11 77% 76.61 0.0
28 11:15 W 13 14.48 Fair CLR 15 11 77% 76.61 0.0
28 10:55 NW 11 14.48 Fair CLR 15 11 77% 76.61 0.0
28 10:35 NW 13 14.48 Fair CLR 14 11 82% 76.58 0.0
28 10:15 NW 9 14.48 A Few Clouds FEW022 14 10 77% 76.58 0.0
28 09:55 Calm 14.48 A Few Clouds FEW022 14 10 77% 76.58 0.0
28 09:35 Vrbl 7 14.48 Mostly Cloudy BKN022 14 10 77% 76.58 0.0
28 09:15 NW 11 14.48 Overcast OVC022 14 10 77% 76.58 0.0
28 08:55 N 7 14.48 Overcast OVC022 13 10 82% 76.58 0.0
28 08:35 NW 6 14.48 Overcast OVC022 13 10 82% 76.58 0.0
28 08:15 NW 11 14.48 Overcast OVC020 13 10 82% 76.56 0.0
28 07:55 NW 9 14.48 Overcast BKN020 OVC024 13 10 82% 76.53 0.0
28 07:35 NW 9 14.48 Mostly Cloudy BKN021 13 10 82% 76.53 0.0
28 07:15 NW 9 12.87 Partly Cloudy SCT022 12 10 88% 76.5 0.0
28 06:55 NW 7 14.48 Mostly Cloudy BKN023 11 10 94% 76.5 0.0
28 06:35 NW 11 12.87 Overcast OVC023 12 10 88% 76.48 0.0
28 06:15 NW 13 14.48 Overcast FEW018 OVC025 12 11 94% 76.48 0.0
28 05:55 NW 15 14.48 Overcast OVC026 12 10 88% 76.48 0.0
28 05:35 NW 11 14.48 Overcast OVC026 12 10 88% 76.48 0.0
28 05:15 NW 15 14.48 Overcast OVC024 12 10 88% 76.48 0.0
28 04:55 NW 11 14.48 Overcast OVC023 12 10 88% 76.48 0.0
28 04:35 NW 11 14.48 Overcast OVC020 12 11 94% 76.48 0.0
28 04:15 NW 13 14.48 Overcast OVC021 12 10 88% 76.45 0.0
28 03:55 NW 13 14.48 Overcast OVC021 12 10 88% 76.45 0.0
28 03:35 N 7 14.48 Overcast OVC021 12 11 94% 76.45 0.0
28 03:15 NW 6 14.48 Overcast OVC021 11 10 94% 76.45 0.0
28 02:55 NW 9 14.48 Overcast OVC021 12 10 88% 76.45 0.0
28 02:35 N 7 14.48 Overcast OVC022 0 0 0% 76.48 0.0
28 02:15 N 7 14.48 Mostly Cloudy BKN020 12 11 94% 76.48 0.0
28 01:55 NW 9 14.48 Mostly Cloudy BKN020 12 10 88% 76.48 0.0
28 01:35 N 9 14.48 Mostly Cloudy BKN020 12 10 88% 76.5 0.0
28 01:15 N 7 14.48 Mostly Cloudy BKN020 0 0 0% 76.5 0.0
28 00:55 N 11 14.48 Overcast OVC022 12 10 88% 76.5 0.0
28 00:35 NW 13 16.09 Mostly Cloudy BKN022 12 10 88% 76.53 0.0
28 00:15 NW 15 14.48 Mostly Cloudy BKN023 12 10 88% 76.5 0.0
27 23:55 NW 17 16.09 Overcast OVC023 12 10 88% 76.5 0.0
27 23:35 NW 15 14.48 Overcast OVC023 12 10 88% 76.5 0.0
27 23:15 N 9 14.48 Overcast OVC021 12 10 88% 76.5 0.0
27 22:55 NW 9 14.48 Overcast OVC021 12 10 88% 76.5 0.0
27 22:35 NW 13 14.48 Overcast OVC022 12 10 88% 76.5 0.0
27 22:15 NW 15 16.09 Overcast OVC022 12 10 88% 76.5 0.0
27 21:55 NW 9 G 20 14.48 Mostly Cloudy BKN022 12 10 88% 76.5 0.0
27 21:35 NW 17 16.09 Overcast OVC023 12 10 88% 76.48 0.0
27 21:15 N 20 16.09 Overcast OVC024 12 10 88% 76.48 0.0
27 20:55 NW 20 14.48 Mostly Cloudy BKN023 13 10 82% 76.45 0.0
27 20:35 NW 15 14.48 Partly Cloudy SCT022 12 10 88% 76.45 0.0
27 20:15 NW 17 16.09 Mostly Cloudy BKN024 12 10 88% 76.43 0.0
27 19:55 NW 19 14.48 Mostly Cloudy BKN024 12 10 88% 76.43 0.0
27 19:35 NW 19 14.48 Mostly Cloudy BKN025 13 10 82% 76.4 0.0
27 19:15 NW 17 G 26 14.48 Mostly Cloudy BKN026 13 10 82% 76.4 0.0
27 18:55 NW 19 14.48 Mostly Cloudy SCT025 BKN029 13 10 82% 76.4 0.0
27 18:35 NW 20 14.48 Partly Cloudy SCT024 SCT028 14 10 77% 76.4 0.0
27 18:15 NW 19 14.48 Mostly Cloudy BKN023 0 0 0% 76.4 0.0
27 17:55 NW 20 14.48 Partly Cloudy SCT022 SCT027 15 10 72% 76.4 0.0
27 17:35 NW 20 14.48 Partly Cloudy SCT023 15 10 72% 76.4 0.0
27 17:15 NW 19 14.48 Partly Cloudy SCT024 SCT028 14 10 77% 76.38 0.0
27 16:55 NW 20 16.09 Mostly Cloudy FEW022 BKN028 15 10 72% 76.38 0.0
27 16:35 NW 19 16.09 Partly Cloudy SCT027 0 0 0% 76.38 0.0
27 16:15 NW 20 14.48 A Few Clouds FEW024 15 10 72% 76.38 0.0
27 15:55 NW 19 16.09 Fair CLR 15 10 72% 76.38 0.0
27 15:35 NW 19 14.48 Fair CLR 15 10 72% 76.4 0.0
27 15:15 NW 17 14.48 Fair CLR 15 10 72% 76.4 0.0
27 14:55 NW 19 14.48 Fair CLR 15 10 72% 76.4 0.0
27 14:35 NW 15 14.48 Fair CLR 0 0 0% 76.4 0.0
27 14:15 NW 17 14.48 A Few Clouds FEW024 15 11 77% 76.4 0.0
27 13:55 NW 20 16.09 Partly Cloudy FEW023 SCT028 15 10 72% 76.4 0.0
27 13:35 NW 17 14.48 A Few Clouds FEW022 FEW029 15 11 77% 76.4 0.0
27 13:15 NW 19 16.09 A Few Clouds FEW023 15 10 72% 76.4 0.0
27 12:55 NW 19 14.48 A Few Clouds FEW024 FEW029 15 10 72% 76.4 0.0
27 12:35 NW 19 14.48 A Few Clouds FEW028 15 10 72% 76.4 0.0
27 12:15 NW 17 14.48 A Few Clouds FEW027 15 9 68% 76.4 0.0
27 11:55 NW 15 G 26 16.09 Fair CLR 14 9 72% 76.4 0.0
27 11:35 N 17 14.48 Fair CLR 15 10 72% 76.38 0.0
27 11:15 N 20 16.09 A Few Clouds FEW026 15 10 72% 76.38 0.0
27 10:55 N 15 14.48 A Few Clouds FEW027 15 9 68% 76.35 0.0
27 10:35 NW 17 16.09 A Few Clouds FEW027 14 9 72% 76.35 0.0
27 10:15 NW 15 16.09 Fair CLR 14 8 67% 76.35 0.0
27 09:55 NW 19 14.48 A Few Clouds FEW028 14 9 72% 76.33 0.0
27 09:35 NW 20 16.09 Partly Cloudy SCT027 14 9 72% 76.33 0.0
27 09:15 N 19 16.09 Partly Cloudy FEW026 SCT031 14 9 72% 76.33 0.0
27 08:55 N 15 16.09 Partly Cloudy SCT026 14 10 77% 76.3 0.0
27 08:35 N 13 G 24 16.09 Partly Cloudy SCT025 SCT030 13 9 77% 76.3 0.0
27 08:15 N 15 14.48 Partly Cloudy SCT025 SCT030 13 10 82% 76.3 0.0
27 07:55 N 19 14.48 Fair CLR 13 10 82% 76.28 0.0
27 07:35 N 13 14.48 Fair CLR 12 9 82% 76.28 0.0
27 07:15 Calm 12.87 Partly Cloudy FEW024 SCT031 11 10 94% 76.25 0.0
27 06:55 N 6 14.48 Partly Cloudy SCT031 10 10 100% 76.25 0.0
27 06:35 N 7 14.48 A Few Clouds FEW023 10 9 94% 9 76.23 0.0
27 06:15 Vrbl 6 14.48 Partly Cloudy FEW022 FEW041 SCT065 10 9 94% 76.23 0.0
27 05:55 N 9 14.48 Mostly Cloudy BKN065 0 0 0% 76.2 0.0
27 05:35 N 13 14.48 Overcast FEW022 SCT035 OVC065 12 10 88% 76.2 0.0
27 05:15 N 11 14.48 Overcast FEW026 BKN034 OVC060 12 10 88% 76.2 0.0
27 04:55 N 11 16.09 Overcast FEW028 FEW034 OVC060 12 9 82% 76.2 0.0
27 04:35 NW 11 14.48 Overcast FEW024 OVC060 12 10 88% 76.2 0.0
27 04:15 NW 11 16.09 Overcast OVC060 12 10 88% 76.2 0.0
27 03:55 NW 13 14.48 Overcast FEW024 FEW032 OVC060 12 10 88% 76.2 0.0
27 03:35 NW 11 14.48 Overcast OVC055 12 9 82% 76.2 0.0
27 03:15 NW 13 14.48 Overcast FEW024 SCT048 OVC055 12 9 82% 76.2 0.0
27 02:55 NW 7 16.09 Overcast BKN023 BKN034 OVC055 12 10 88% 76.17 0.0
27 02:35 NW 7 14.48 Overcast SCT023 BKN035 OVC060 12 10 88% 76.2 0.0
27 02:15 NW 9 14.48 Overcast SCT023 BKN034 OVC060 12 10 88% 76.2 0.0
27 01:55 NW 13 12.87 Overcast SCT023 OVC060 12 10 88% 76.2 0.0
27 01:35 NW 11 14.48 Overcast OVC060 12 9 82% 76.2 0.0
27 01:15 NW 11 16.09 Overcast OVC060 12 9 82% 76.23 0.0
27 00:55 NW 11 16.09 Overcast OVC060 12 9 82% 76.23 0.0
27 00:35 NW 11 14.48 Overcast OVC060 12 9 82% 76.2 0.0
27 00:15 NW 11 16.09 Overcast FEW023 SCT046 OVC060 12 9 82% 76.2 0.0
26 23:55 NW 11 14.48 Overcast SCT023 BKN046 OVC060 12 10 88% 76.2 0.0
26 23:35 NW 13 14.48 Overcast FEW023 SCT033 OVC060 12 10 88% 76.2 0.0
26 23:15 NW 9 14.48 Overcast FEW023 SCT029 OVC060 12 10 88% 76.2 0.0
26 22:55 N 9 14.48 Overcast BKN029 OVC060 12 10 88% 76.2 0.0
26 22:35 N 9 14.48 Overcast FEW024 SCT030 OVC060 12 11 94% 76.2 0.0
26 22:15 N 7 14.48 Overcast FEW024 FEW029 OVC055 13 11 88% 76.2 0.0
26 21:55 N 9 14.48 Overcast SCT027 SCT049 OVC060 13 10 82% 76.2 0.0
26 21:35 N 9 14.48 Overcast FEW037 OVC060 13 10 82% 76.17 0.0
26 21:15 NW 11 16.09 Overcast OVC055 13 9 77% 76.17 0.0
26 20:55 NW 11 14.48 Overcast OVC055 0 0 0% 76.15 0.0
26 20:35 NW 9 14.48 Overcast OVC055 13 9 77% 76.15 0.0
26 20:15 NW 11 14.48 Overcast FEW027 FEW031 OVC055 13 9 77% 76.15 0.0
26 19:55 NW 15 12.87 Overcast SCT027 BKN050 OVC055 13 9 77% 76.12 0.0
26 19:35 NW 15 14.48 Overcast SCT027 SCT032 OVC055 13 9 77% 76.12 0.0
26 19:15 NW 15 14.48 Overcast OVC055 13 9 77% 76.12 0.0
26 18:55 W 9 14.48 Overcast BKN050 OVC055 14 9 72% 76.1 0.0
26 18:35 NW 9 16.09 Overcast BKN050 OVC055 14 9 72% 76.12 0.0
26 18:15 W 13 16.09 Overcast OVC055 14 9 72% 76.12 0.0
26 17:55 W 9 14.48 Overcast OVC060 14 9 72% 76.12 0.0
26 17:35 NW 15 16.09 Overcast OVC060 14 9 72% 76.1 0.0
26 17:15 NW 17 16.09 Overcast OVC060 14 9 72% 76.1 0.0
26 16:55 NW 17 14.48 Overcast OVC060 15 10 72% 76.1 0.0
26 16:35 W 17 14.48 Overcast OVC060 15 9 68% 76.1 0.0
26 16:15 NW 17 14.48 Overcast OVC060 15 10 72% 76.1 0.0
26 15:55 NW 17 14.48 Overcast OVC060 15 10 72% 76.1 0.0
26 15:35 NW 17 16.09 Overcast OVC060 15 10 72% 76.1 0.0
26 15:15 NW 15 14.48 Mostly Cloudy BKN060 15 8 63% 76.1 0.0
26 14:55 NW 17 14.48 Mostly Cloudy BKN060 15 8 63% 76.1 0.0
26 14:35 NW 17 14.48 Mostly Cloudy BKN060 16 10 68% 76.1 0.0
26 14:15 NW 19 G 28 14.48 Mostly Cloudy BKN060 15 10 72% 76.1 0.0
26 13:55 NW 19 16.09 Overcast OVC060 15 9 68% 76.1 0.0
26 13:35 NW 19 14.48 Overcast OVC055 15 9 68% 76.07 0.0
26 13:15 NW 19 14.48 Overcast OVC055 14 9 72% 76.07 0.0
26 12:55 NW 19 14.48 Overcast OVC055 14 9 72% 76.07 0.0
26 12:35 NW 19 14.48 Mostly Cloudy FEW026 BKN055 15 10 72% 76.07 0.0
26 12:15 NW 17 14.48 A Few Clouds FEW025 16 10 68% 76.07 0.0
26 11:55 NW 17 14.48 Fair CLR 15 10 72% 76.07 0.0
26 11:35 N 15 14.48 Fair CLR 15 10 72% 76.05 0.0
26 11:15 NW 17 14.48 A Few Clouds FEW029 15 10 72% 76.05 0.0
26 10:55 NW 17 G 26 14.48 A Few Clouds FEW028 FEW036 15 9 68% 76.02 0.0
26 10:35 NW 17 14.48 A Few Clouds FEW028 15 9 68% 76 0.0
26 10:15 NW 17 G 26 16.09 Fair CLR 15 9 68% 76 0.0
26 09:55 NW 13 16.09 Fair CLR 14 9 72% 75.97 0.0
26 09:35 NW 17 16.09 Fair CLR 14 9 72% 75.97 0.0
26 09:15 NW 22 14.48 Partly Cloudy SCT060 14 9 72% 75.95 0.0
26 08:55 N 19 14.48 Mostly Cloudy FEW032 BKN060 14 9 72% 75.95 0.0
26 08:35 NW 19 14.48 Mostly Cloudy SCT026 SCT032 BKN060 13 9 77% 75.95 0.0
26 08:15 NW 15 14.48 Overcast FEW026 FEW040 OVC055 13 10 82% 75.92 0.0
26 07:55 NW 15 11.27 Overcast FEW025 BKN039 OVC055 13 10 82% 75.92 0.0
26 07:35 NW 15 G 24 12.87 Overcast FEW025 FEW037 OVC055 12 10 88% 75.9 0.0
26 07:15 NW 19 12.87 Overcast OVC055 12 10 88% 75.87 0.0
26 06:55 NW 19 G 31 12.87 Overcast FEW019 FEW031 OVC055 12 11 94% 75.84 0.0
26 06:35 NW 15 14.48 Overcast FEW019 OVC055 12 11 94% 75.84 0.0
26 06:15 NW 24 14.48 Overcast SCT019 SCT024 OVC055 12 10 88% 75.82 0.0
26 05:55 NW 19 G 28 16.09 Overcast FEW018 SCT023 OVC055 13 11 88% 75.82 0.0
26 05:35 NW 20 14.48 Overcast FEW015 SCT024 OVC055 13 11 88% 75.79 0.0
26 05:15 NW 20 12.87 Overcast FEW014 BKN050 OVC055 13 12 94% 75.79 0.0
26 04:55 NW 22 G 33 12.87 Overcast OVC055 13 12 94% 75.79 0.0
26 04:35 NW 30 14.48 Overcast OVC055 13 12 94% 75.77 0.0
26 04:15 NW 20 12.87 Overcast BKN050 OVC055 13 12 94% 75.79 0.0
26 03:55 NW 20 14.48 Overcast SCT018 OVC050 13 10 82% 75.79 0.0
26 03:35 NW 17 14.48 Overcast SCT019 BKN024 OVC047 13 12 94% 75.79 0.0
26 03:15 NW 17 16.09 Overcast FEW024 OVC045 13 11 88% 75.77 0.0
26 02:55 NW 13 14.48 Overcast OVC043 13 11 88% 75.77 0.0
26 02:35 NW 13 14.48 Overcast OVC043 13 11 88% 75.79 0.0
26 02:15 NW 13 14.48 Overcast OVC040 13 11 88% 75.79 0.0
26 01:55 NW 17 14.48 Overcast SCT036 OVC045 13 10 82% 75.79 0.0
26 01:35 W 17 14.48 Mostly Cloudy FEW018 SCT032 BKN039 13 12 94% 75.82 0.0
26 01:15 W 11 11.27 Overcast BKN018 BKN024 OVC037 13 12 94% 75.82 0.0
26 00:55 Calm 6.44 Overcast BKN020 BKN026 OVC033 0 0 0% 75.82 0.0
26 00:35 E 7 11.27 Overcast OVC021 12 12 100% 75.82 0.0
26 00:15 Calm 8.05 Fog/Mist BKN023 BKN028 OVC033 12 11 94% 75.82 0.0
25 23:55 Calm 14.48 Overcast BKN024 BKN029 OVC034 12 11 94% 75.84 0.0
25 23:35 SW 6 12.87 Overcast BKN025 OVC031 12 11 94% 75.84 0.0
25 23:15 W 7 6.44 Fog/Mist BKN028 OVC033 11 11 100% 75.84 0.0
25 22:55 W 13 11.27 Overcast BKN027 OVC033 12 12 100% 75.84 0.0
25 22:35 W 15 6.44 Fog/Mist FEW025 OVC033 12 12 100% 75.84 0.0
25 22:15 NW 20 14.48 Mostly Cloudy FEW014 SCT022 BKN026 13 11 88% 75.84 0.0
25 21:55 NW 15 12.87 Overcast SCT022 SCT028 OVC039 13 10 82% 75.84 0.0
25 21:35 W 13 16.09 Overcast FEW024 OVC041 13 10 82% 75.84 0.0
25 21:15 W 15 14.48 Overcast SCT025 SCT036 OVC043 0 0 0% 75.82 0.0
25 20:55 W 9 16.09 Overcast FEW023 BKN038 OVC044 13 10 82% 75.82 0.0
25 20:35 W 15 14.48 Overcast SCT023 BKN030 OVC044 13 10 82% 75.82 0.0
25 20:15 W 9 16.09 Overcast SCT026 BKN035 OVC055 13 10 82% 75.79 0.0
25 19:55 W 11 14.48 Overcast SCT024 BKN028 OVC055 13 10 82% 75.79 0.0
25 19:35 W 15 14.48 Overcast BKN026 BKN031 OVC038 13 10 82% 75.79 0.0
25 19:15 W 13 16.09 Mostly Cloudy FEW024 SCT031 BKN039 13 10 82% 75.79 0.0
25 18:55 W 15 14.48 Mostly Cloudy FEW024 SCT030 BKN036 13 10 82% 75.79 0.0
25 18:35 W 13 14.48 Overcast SCT024 BKN037 OVC055 13 10 82% 75.82 0.0
25 18:15 W 15 14.48 Overcast BKN024 BKN032 OVC050 0 0 0% 75.82 0.0
25 17:55 W 13 14.48 Overcast SCT025 BKN033 OVC043 14 10 77% 75.82 0.0
25 17:35 W 13 14.48 Overcast SCT024 BKN034 OVC049 13 10 82% 75.82 0.0
25 17:15 W 13 14.48 Overcast FEW022 SCT032 OVC050 14 10 77% 75.82 0.0
25 16:55 SW 11 14.48 Mostly Cloudy FEW022 SCT026 BKN035 14 10 77% 75.82 0.0
25 16:35 W 9 8.05 Overcast with Haze BKN023 BKN028 OVC033 13 11 88% 75.82 0.0
25 16:15 Vrbl 9 14.48 Overcast BKN025 BKN032 OVC037 14 11 82% 75.84 0.0
25 15:55 W 9 14.48 Overcast BKN024 BKN036 OVC050 13 11 88% 75.84 0.0
25 15:35 W 11 12.87 Overcast FEW025 FEW038 OVC049 14 11 82% 75.87 0.0
25 15:15 W 9 14.48 Overcast SCT032 SCT038 OVC048 14 10 77% 75.9 0.0
25 14:55 W 11 14.48 Overcast BKN031 OVC040 14 10 77% 75.9 0.0
25 14:35 W 15 14.48 Overcast BKN036 OVC043 14 10 77% 75.9 0.0
25 14:15 Vrbl 9 14.48 Overcast OVC032 13 10 82% 75.9 0.0
25 13:55 SW 11 12.87 Overcast OVC030 13 11 88% 75.92 0.0
25 13:35 SW 13 14.48 Overcast OVC031 13 10 82% 75.92 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)