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.
16 03:55 NW 19 G 31 16.09 Mostly Cloudy BKN019 11 9 88% 76.35 0.0
16 03:35 N 24 14.48 Overcast OVC018 11 10 94% 76.38 0.0
16 03:15 N 22 14.48 Mostly Cloudy BKN018 0 0 0% 76.38 0.0
16 02:55 NW 24 14.48 Overcast OVC017 11 10 94% 76.38 0.0
16 02:35 NW 26 14.48 Overcast OVC017 11 10 94% 76.4 0.0
16 02:15 NW 24 14.48 Overcast OVC016 11 11 100% 76.4 0.0
16 01:55 N 20 G 30 14.48 Overcast OVC013 12 11 94% 76.4 0.0
16 01:35 NW 26 G 37 14.48 Overcast FEW004 BKN008 OVC012 12 12 100% 76.43 0.0
16 01:15 NW 30 2.41 Fog/Mist OVC004 12 12 100% 76.43 0.0
16 00:55 NW 28 4.83 Fog/Mist SCT005 BKN009 OVC017 13 13 100% 76.43 0.0
16 00:35 NW 13 16.09 Overcast BKN012 OVC017 0 0 0% 76.43 0.0
16 00:15 N 15 G 24 16.09 Overcast OVC012 13 13 100% 76.4 0.0
15 23:55 N 15 16.09 Overcast OVC012 13 13 100% 76.43 0.0
15 23:35 N 15 14.48 Overcast OVC013 13 13 100% 76.43 0.0
15 23:15 N 17 14.48 Overcast OVC014 13 13 100% 76.45 0.0
15 22:55 N 19 16.09 Overcast OVC015 14 13 94% 76.45 0.0
15 22:35 N 19 G 30 16.09 Overcast OVC015 14 13 94% 76.45 0.0
15 22:15 N 26 16.09 Overcast BKN015 OVC020 13 12 94% 76.45 0.0
15 21:55 NW 22 16.09 Overcast BKN015 OVC021 13 13 100% 76.45 0.0
15 21:35 NW 24 16.09 Mostly Cloudy BKN016 BKN024 13 12 94% 76.45 0.0
15 21:15 NW 19 G 33 16.09 Mostly Cloudy BKN017 BKN022 13 12 94% 76.45 0.0
15 20:55 NW 17 16.09 Mostly Cloudy BKN018 BKN023 13 12 94% 76.43 0.0
15 20:35 NW 22 14.48 Mostly Cloudy SCT016 BKN021 13 12 94% 76.43 0.0
15 20:15 NW 20 14.48 NULL NULL 0 0 0% 76.43 0.0
15 19:55 NW 22 14.48 Overcast BKN018 OVC022 13 12 94% 76.43 0.0
15 19:35 NW 24 16.09 Overcast BKN020 OVC024 13 12 94% 76.43 0.0
15 19:15 NW 22 14.48 Mostly Cloudy SCT017 BKN022 13 12 94% 76.43 0.0
15 18:55 NW 26 16.09 Mostly Cloudy BKN019 BKN023 14 12 88% 76.43 0.0
15 18:35 NW 28 16.09 Mostly Cloudy BKN019 14 12 88% 76.43 0.0
15 18:15 NW 24 G 35 16.09 Mostly Cloudy BKN019 14 12 88% 76.43 0.0
15 17:55 NW 26 16.09 Mostly Cloudy BKN018 15 12 82% 76.45 0.0
15 17:35 NW 24 16.09 Mostly Cloudy BKN018 15 12 82% 76.45 0.0
15 17:15 NW 22 14.48 Partly Cloudy SCT019 15 12 82% 76.45 0.0
15 16:55 NW 20 G 31 14.48 A Few Clouds FEW019 15 12 82% 76.45 0.0
15 16:35 NW 24 G 35 16.09 A Few Clouds FEW017 15 12 82% 76.45 0.0
15 16:15 NW 28 16.09 Fair CLR 15 12 82% 76.45 0.0
15 15:55 NW 31 16.09 Fair CLR 15 12 82% 76.48 0.0
15 15:35 NW 26 G 37 16.09 A Few Clouds FEW016 15 12 82% 76.48 0.0
15 15:15 NW 26 16.09 Mostly Cloudy BKN017 16 12 77% 76.5 0.0
15 14:55 NW 26 G 35 16.09 Overcast BKN018 OVC024 16 12 77% 76.5 0.0
15 14:35 NW 26 16.09 Mostly Cloudy BKN018 BKN024 BKN030 15 12 82% 76.53 0.0
15 14:15 NW 22 G 37 16.09 Mostly Cloudy BKN018 BKN024 BKN030 15 12 82% 76.53 0.0
15 13:55 NW 20 G 31 16.09 Mostly Cloudy BKN020 BKN025 15 12 82% 76.53 0.0
15 13:35 NW 26 16.09 Mostly Cloudy BKN020 BKN025 15 12 82% 76.53 0.0
15 13:15 NW 19 G 30 14.48 Mostly Cloudy BKN021 BKN025 15 11 77% 76.56 0.0
15 12:55 NW 22 14.48 Overcast BKN021 OVC026 15 12 82% 76.56 0.0
15 12:35 NW 20 16.09 Overcast OVC022 15 11 77% 76.56 0.0
15 12:15 NW 22 16.09 Partly Cloudy SCT021 15 11 77% 76.56 0.0
15 11:55 NW 22 G 33 16.09 Partly Cloudy SCT021 0 0 0% 76.56 0.0
15 11:35 NW 22 G 31 16.09 Mostly Cloudy BKN019 BKN024 14 11 82% 76.56 0.0
15 11:15 N 20 G 31 14.48 Mostly Cloudy BKN023 15 11 77% 76.56 0.0
15 10:55 NW 28 G 37 16.09 Overcast OVC023 14 11 82% 76.56 0.0
15 10:35 NW 19 G 31 14.48 Overcast SCT020 OVC026 14 11 82% 76.56 0.0
15 10:15 NW 19 16.09 Overcast BKN022 OVC027 14 11 82% 76.56 0.0
15 09:55 NW 22 16.09 Overcast OVC023 14 11 82% 76.56 0.0
15 09:35 NW 24 16.09 Overcast BKN022 OVC027 13 10 82% 76.53 0.0
15 09:15 N 22 16.09 Overcast BKN022 OVC026 13 10 82% 76.5 0.0
15 08:55 NW 24 16.09 Mostly Cloudy BKN022 13 10 82% 76.5 0.0
15 08:35 N 22 16.09 Mostly Cloudy BKN021 13 10 82% 76.5 0.0
15 08:15 NW 22 16.09 Mostly Cloudy BKN022 BKN026 12 10 88% 76.5 0.0
15 07:55 N 17 16.09 Overcast BKN021 OVC026 12 10 88% 76.48 0.0
15 07:35 N 20 16.09 Mostly Cloudy BKN019 BKN025 12 10 88% 76.48 0.0
15 07:15 NW 20 16.09 Mostly Cloudy BKN022 12 10 88% 76.45 0.0
15 06:55 N 19 16.09 Overcast OVC020 12 10 88% 76.43 0.0
15 06:35 N 17 16.09 Overcast OVC021 11 10 94% 76.45 0.0
15 06:15 N 17 G 26 16.09 Overcast OVC020 11 10 94% 76.43 0.0
15 05:55 N 13 G 22 16.09 Overcast OVC018 11 10 94% 76.43 0.0
15 05:35 N 11 16.09 Overcast OVC018 11 10 94% 76.43 0.0
15 05:15 N 15 G 26 16.09 Mostly Cloudy BKN018 BKN022 BKN029 11 10 94% 76.43 0.0
15 04:55 N 24 16.09 Mostly Cloudy BKN019 BKN025 BKN029 11 10 94% 76.43 0.0
15 04:35 N 17 G 28 14.48 Mostly Cloudy BKN019 BKN026 11 10 94% 76.43 0.0
15 04:15 NW 28 16.09 Overcast OVC020 12 10 88% 76.43 0.0
15 03:55 NW 24 14.48 Overcast OVC020 12 10 88% 76.45 0.0
15 03:35 NW 20 14.48 Overcast OVC020 12 10 88% 76.45 0.0
15 03:15 NW 17 16.09 Overcast OVC020 12 10 88% 76.48 0.0
15 02:55 NW 22 16.09 Overcast OVC020 12 10 88% 76.48 0.0
15 02:35 NW 22 14.48 Overcast BKN021 OVC025 12 10 88% 76.48 0.0
15 02:15 NW 15 G 26 16.09 Overcast OVC022 12 10 88% 76.5 0.0
15 01:55 NW 19 G 28 16.09 Overcast OVC021 12 10 88% 76.53 0.0
15 01:35 NW 19 16.09 Overcast OVC021 12 10 88% 76.53 0.0
15 01:15 NW 15 16.09 Overcast OVC021 12 10 88% 76.53 0.0
15 00:55 NW 17 G 28 16.09 Overcast OVC022 0 0 0% 76.53 0.0
15 00:35 NW 19 14.48 Overcast OVC021 12 10 88% 76.56 0.0
15 00:15 NW 17 16.09 Overcast OVC022 12 9 82% 76.56 0.0
14 23:55 NW 19 16.09 Overcast OVC023 0 0 0% 76.56 0.0
14 23:35 NW 19 16.09 Overcast OVC022 12 9 82% 76.56 0.0
14 23:15 NW 17 16.09 Overcast OVC022 12 9 82% 76.58 0.0
14 22:55 NW 19 16.09 Mostly Cloudy BKN024 BKN030 12 9 82% 76.58 0.0
14 22:35 NW 17 16.09 Overcast BKN024 OVC029 12 9 82% 76.61 0.0
14 22:15 N 17 16.09 Overcast OVC024 12 9 82% 76.61 0.0
14 21:55 NW 20 16.09 Overcast OVC024 12 9 82% 76.61 0.0
14 21:35 NW 17 16.09 Overcast OVC024 12 9 82% 76.61 0.0
14 21:15 NW 22 16.09 Overcast OVC025 12 9 82% 76.58 0.0
14 20:55 N 17 16.09 Overcast OVC025 12 9 82% 76.58 0.0
14 20:35 NW 20 16.09 Overcast OVC026 12 9 82% 76.58 0.0
14 20:15 NW 20 16.09 Mostly Cloudy BKN026 12 9 82% 76.58 0.0
14 19:55 NW 19 16.09 Mostly Cloudy BKN025 12 8 77% 76.58 0.0
14 19:35 NW 19 16.09 Mostly Cloudy BKN025 12 9 82% 76.61 0.0
14 19:15 NW 20 14.48 Mostly Cloudy BKN026 12 9 82% 76.61 0.0
14 18:55 NW 26 16.09 Mostly Cloudy BKN025 13 9 77% 76.61 0.0
14 18:35 NW 17 G 31 16.09 A Few Clouds FEW024 0 0 0% 76.63 0.0
14 18:15 NW 22 16.09 Partly Cloudy SCT024 SCT028 13 9 77% 76.63 0.0
14 17:55 NW 26 14.48 Mostly Cloudy BKN027 0 0 0% 76.66 0.0
14 17:35 NW 22 16.09 Mostly Cloudy BKN028 13 10 82% 76.66 0.0
14 17:15 N 22 14.48 Mostly Cloudy BKN029 14 10 77% 76.66 0.0
14 16:55 NW 24 16.09 Mostly Cloudy BKN029 14 10 77% 76.68 0.0
14 16:35 N 19 16.09 A Few Clouds FEW029 14 9 72% 76.68 0.0
14 16:15 NW 19 16.09 Partly Cloudy SCT032 14 8 67% 76.68 0.0
14 15:55 NW 26 16.09 Overcast OVC031 15 9 68% 76.71 0.0
14 15:35 NW 22 G 35 16.09 Overcast BKN026 OVC031 14 9 72% 76.71 0.0
14 15:15 NW 24 14.48 Overcast BKN024 OVC031 14 10 77% 76.73 0.0
14 14:55 NW 26 16.09 Overcast SCT025 OVC032 14 10 77% 76.73 0.0
14 14:35 NW 24 14.48 Overcast SCT023 OVC032 15 10 72% 76.76 0.0
14 14:15 NW 22 14.48 Overcast SCT021 BKN027 OVC032 14 10 77% 76.76 0.0
14 13:55 NW 22 14.48 Overcast BKN021 OVC025 14 10 77% 76.76 0.0
14 13:35 NW 24 11.27 Overcast BKN024 OVC032 14 10 77% 76.76 0.0
14 13:15 NW 19 14.48 Overcast FEW022 OVC032 14 10 77% 76.78 0.0
14 12:55 NW 19 14.48 Overcast FEW023 OVC033 14 11 82% 76.78 0.0
14 12:35 NW 19 14.48 Overcast SCT023 OVC032 14 10 77% 76.78 0.0
14 12:15 NW 15 14.48 Overcast FEW024 OVC033 14 10 77% 76.78 0.0
14 11:55 NW 17 14.48 Partly Cloudy FEW024 SCT034 15 10 72% 76.78 0.0
14 11:35 NW 15 14.48 Partly Cloudy FEW024 SCT032 15 10 72% 76.78 0.0
14 11:15 NW 13 14.48 Overcast FEW023 OVC031 13 10 82% 76.78 0.0
14 10:55 N 17 14.48 Mostly Cloudy FEW022 BKN033 15 11 77% 76.78 0.0
14 10:35 NW 15 14.48 Mostly Cloudy BKN032 14 10 77% 76.76 0.0
14 10:15 NW 17 14.48 Overcast FEW022 OVC030 0 0 0% 76.76 0.0
14 09:55 NW 15 16.09 Mostly Cloudy BKN031 14 10 77% 76.76 0.0
14 09:35 NW 17 14.48 Overcast OVC031 13 10 82% 76.73 0.0
14 09:15 NW 22 14.48 Overcast OVC031 13 10 82% 76.73 0.0
14 08:55 NW 20 14.48 Overcast OVC032 13 10 82% 76.71 0.0
14 08:35 NW 20 14.48 Overcast OVC031 13 10 82% 76.71 0.0
14 08:15 NW 22 16.09 Overcast OVC029 12 9 82% 76.71 0.0
14 07:55 NW 19 12.87 Overcast OVC025 12 10 88% 76.68 0.0
14 07:35 NW 19 12.87 Overcast BKN022 OVC026 12 10 88% 76.66 0.0
14 07:15 NW 20 12.87 Overcast OVC020 12 10 88% 76.66 0.0
14 06:55 NW 19 14.48 Overcast OVC021 12 10 88% 76.63 0.0
14 06:35 NW 17 14.48 Overcast OVC020 12 10 88% 76.63 0.0
14 06:15 NW 15 14.48 Overcast OVC020 12 10 88% 76.61 0.0
14 05:55 NW 22 14.48 Overcast OVC020 12 10 88% 76.61 0.0
14 05:35 NW 24 12.87 Overcast OVC020 12 10 88% 76.61 0.0
14 05:15 NW 19 14.48 Overcast OVC019 12 10 88% 76.61 0.0
14 04:55 N 19 G 30 14.48 Overcast OVC020 12 10 88% 76.61 0.0
14 04:35 NW 22 14.48 Overcast OVC021 12 10 88% 76.58 0.0
14 04:15 NW 20 14.48 Overcast OVC018 12 11 94% 76.58 0.0
14 03:55 NW 24 14.48 Overcast OVC018 12 11 94% 76.58 0.0
14 03:35 NW 20 12.87 Overcast OVC018 12 11 94% 76.56 0.0
14 03:15 N 17 14.48 Overcast OVC018 12 11 94% 76.56 0.0
14 02:55 NW 24 12.87 Overcast OVC019 12 11 94% 76.56 0.0
14 02:35 N 19 G 28 12.87 Overcast OVC019 0 0 0% 76.58 0.0
14 02:15 N 20 G 31 14.48 Overcast OVC019 12 11 94% 76.58 0.0
14 01:55 NW 24 12.87 Overcast OVC019 12 11 94% 76.58 0.0
14 01:35 N 20 G 31 12.87 Overcast OVC020 12 11 94% 76.58 0.0
14 01:15 N 22 12.87 Overcast OVC020 13 12 94% 76.61 0.0
14 00:55 NW 24 14.48 Overcast OVC019 13 12 94% 76.58 0.0
14 00:35 NW 20 G 30 14.48 Overcast OVC018 13 12 94% 76.58 0.0
14 00:15 NW 24 14.48 Overcast OVC018 13 12 94% 76.58 0.0
13 23:55 N 22 12.87 Overcast OVC017 13 11 88% 76.58 0.0
13 23:35 N 19 14.48 Overcast OVC018 12 11 94% 76.58 0.0
13 23:15 NW 19 G 28 12.87 Overcast OVC017 12 11 94% 76.58 0.0
13 22:55 NW 22 14.48 Overcast OVC018 12 11 94% 76.58 0.0
13 22:35 NW 26 14.48 Overcast OVC019 12 11 94% 76.58 0.0
13 22:15 NW 24 14.48 Overcast OVC018 12 11 94% 76.61 0.0
13 21:55 N 22 14.48 Overcast OVC019 12 11 94% 76.58 0.0
13 21:35 NW 22 16.09 Overcast OVC018 12 12 100% 76.58 0.0
13 21:15 N 22 16.09 Mostly Cloudy BKN017 12 11 94% 76.56 0.0
13 20:55 N 17 16.09 Mostly Cloudy BKN018 12 11 94% 76.56 0.0
13 20:35 Calm 16.09 Mostly Cloudy BKN018 0 0 0% 0 0.0
13 20:15 N 20 G 30 16.09 Mostly Cloudy BKN018 12 11 94% 76.53 0.0
13 19:55 NW 15 G 30 14.48 Mostly Cloudy BKN018 12 11 94% 76.53 0.0
13 19:35 N 20 14.48 Mostly Cloudy BKN018 13 11 88% 76.53 0.0
13 19:15 N 20 G 31 14.48 Partly Cloudy SCT018 13 11 88% 76.53 0.0
13 18:55 N 28 14.48 Mostly Cloudy BKN017 BKN022 13 11 88% 76.5 0.0
13 18:35 NW 26 11.27 Mostly Cloudy BKN017 14 11 82% 76.5 0.0
13 18:15 N 30 16.09 A Few Clouds FEW019 14 11 82% 76.5 0.0
13 17:55 N 26 G 37 16.09 A Few Clouds FEW019 14 11 82% 76.5 0.0
13 17:35 NW 28 16.09 Fair CLR 15 11 77% 76.5 0.0
13 17:15 N 26 16.09 A Few Clouds FEW021 15 10 72% 76.5 0.0
13 16:55 NW 26 16.09 Fair CLR 15 11 77% 76.5 0.0
13 16:35 NW 28 14.48 Fair CLR 15 10 72% 76.5 0.0
13 16:15 NW 26 16.09 Fair CLR 15 11 77% 76.5 0.0
13 15:55 N 24 16.09 Fair CLR 15 11 77% 76.53 0.0
13 15:35 NW 26 16.09 Fair CLR 15 11 77% 76.53 0.0
13 15:15 NW 22 14.48 Fair CLR 15 11 77% 76.53 0.0
13 14:55 NW 22 16.09 Fair CLR 15 11 77% 76.53 0.0
13 14:35 NW 20 16.09 Fair CLR 15 11 77% 76.53 0.0
13 14:15 Calm 14.48 Fair CLR 0 0 0% 76.56 0.0
13 13:55 NW 17 16.09 Fair CLR 15 12 82% 76.56 0.0
13 13:35 NW 20 16.09 Fair CLR 15 11 77% 76.56 0.0
13 13:15 NW 19 16.09 Fair CLR 15 12 82% 76.56 0.0
13 12:55 NW 19 16.09 Fair CLR 15 11 77% 76.58 0.0
13 12:35 NW 20 16.09 Fair CLR 15 11 77% 76.58 0.0
13 12:15 NW 19 16.09 Fair CLR 15 11 77% 76.58 0.0
13 11:55 NW 17 16.09 Fair CLR 15 11 77% 76.56 0.0
13 11:35 NW 19 16.09 Fair CLR 14 11 82% 76.56 0.0
13 11:15 NW 19 16.09 Fair CLR 15 11 77% 76.56 0.0
13 10:55 NW 20 16.09 Fair CLR 14 11 82% 76.56 0.0
13 10:35 N 17 16.09 Fair CLR 14 11 82% 76.53 0.0
13 10:15 NW 17 16.09 Fair CLR 14 11 82% 76.53 0.0
13 09:55 N 13 14.48 Fair CLR 14 11 82% 76.53 0.0
13 09:35 NW 13 14.48 Fair CLR 14 11 82% 76.5 0.0
13 09:15 N 9 14.48 Fair CLR 13 11 88% 76.5 0.0
13 08:55 N 11 12.87 A Few Clouds FEW018 13 12 94% 76.5 0.0
13 08:35 N 11 14.48 Fair CLR 13 12 94% 76.48 0.0
13 08:15 Calm 14.48 Light Rain CLR 12 12 100% 76.48 0.0
13 07:55 Calm 14.48 Partly Cloudy SCT060 10 10 100% 76.45 0.0
13 07:35 Calm 16.09 Partly Cloudy SCT060 9 9 100% 76.43 0.0
13 07:15 Calm 16.09 Mostly Cloudy SCT037 BKN055 9 9 100% 76.43 0.0
13 06:55 Calm 16.09 Overcast BKN034 BKN041 OVC055 9 9 100% 76.4 0.0
13 06:35 Calm 14.48 Mostly Cloudy BKN037 BKN045 BKN055 8 8 100% 76.4 0.0
13 06:15 Calm 14.48 Partly Cloudy FEW030 SCT039 SCT055 0 0 0% 76.38 0.0
13 05:55 Calm 14.48 A Few Clouds FEW021 FEW028 FEW039 8 8 100% 76.38 0.0
13 05:35 Calm 8.05 Fog/Mist FEW095 8 8 100% 76.35 0.0
13 05:15 Calm 16.09 Mostly Cloudy FEW017 FEW026 BKN100 9 9 100% 76.35 0.0
13 04:35 Calm 14.48 Overcast SCT017 BKN022 OVC110 10 10 100% 76.33 0.0
13 04:15 Calm 14.48 Mostly Cloudy SCT017 SCT025 BKN075 10 10 100% 76.35 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)