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.
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
25 05:15 Calm 16.09 Overcast OVC019 12 12 100% 76.15 0.0
25 04:55 Calm 14.48 Overcast OVC019 12 12 100% 76.12 0.0
25 04:35 Calm 14.48 Overcast OVC020 12 12 100% 76.12 0.0
25 04:15 NW 6 14.48 Overcast OVC018 13 12 94% 76.15 0.0
25 03:55 W 11 16.09 Overcast OVC016 0 0 0% 76.15 0.0
25 03:35 W 7 14.48 Overcast OVC016 13 12 94% 76.17 0.0
25 03:15 SW 6 16.09 Overcast OVC016 13 11 88% 76.17 0.0
25 02:55 W 13 14.48 Overcast OVC016 13 11 88% 76.17 0.0
25 02:35 Calm 16.09 Overcast OVC015 13 12 94% 76.17 0.0
25 02:15 W 7 14.48 Overcast OVC016 13 12 94% 76.2 0.0
25 01:55 W 9 14.48 Overcast OVC016 13 12 94% 76.2 0.0
25 01:35 W 7 16.09 Overcast OVC016 13 12 94% 76.2 0.0
25 01:15 W 6 14.48 Overcast OVC017 13 12 94% 76.2 0.0
25 00:55 W 7 16.09 Overcast OVC017 13 12 94% 76.23 0.0
25 00:35 W 7 16.09 Overcast OVC017 13 12 94% 76.23 0.0
25 00:15 SW 7 14.48 Overcast OVC016 13 12 94% 76.23 0.0
24 23:55 Calm 14.48 Overcast OVC016 13 12 94% 76.23 0.0
24 23:35 W 9 16.09 Overcast OVC017 13 12 94% 76.23 0.0
24 23:15 Calm 16.09 Overcast OVC017 13 12 94% 76.23 0.0
24 22:55 W 6 16.09 Overcast OVC016 13 12 94% 76.23 0.0
24 22:35 W 7 14.48 Overcast OVC016 13 12 94% 76.23 0.0
24 22:15 SW 9 16.09 Overcast OVC016 13 12 94% 76.23 0.0
24 21:55 W 6 14.48 Overcast OVC016 13 12 94% 76.25 0.0
24 21:35 Calm 14.48 Overcast OVC017 0 0 0% 76.23 0.0
24 21:15 Calm 14.48 Overcast OVC017 13 12 94% 76.23 0.0
24 20:55 Calm 14.48 Overcast OVC017 13 12 94% 76.23 0.0
24 20:35 Calm 12.87 Overcast OVC018 13 12 94% 76.23 0.0
24 20:15 Calm 12.87 Partly Cloudy SCT018 13 12 94% 76.2 0.0
24 19:55 Calm 14.48 Partly Cloudy SCT018 13 12 94% 76.2 0.0
24 19:35 Calm 14.48 Overcast OVC018 14 12 88% 76.23 0.0
24 19:15 W 6 16.09 Overcast OVC018 0 0 0% 76.23 0.0
24 18:55 W 7 14.48 Overcast OVC018 14 13 94% 76.25 0.0
24 18:35 W 9 14.48 Overcast OVC017 14 13 94% 76.25 0.0
24 18:15 Vrbl 7 14.48 Mostly Cloudy BKN016 15 13 88% 76.25 0.0
24 17:55 SW 11 14.48 Fair CLR 15 12 82% 76.25 0.0
24 17:35 SW 11 16.09 Fair CLR 16 12 77% 76.25 0.0
24 17:15 SW 11 14.48 Fair CLR 16 13 83% 76.25 0.0
24 16:55 Vrbl 9 14.48 Fair CLR 16 12 77% 76.25 0.0
24 16:35 SW 11 14.48 Fair CLR 16 12 77% 76.28 0.0
24 16:15 S 13 16.09 Fair CLR 16 12 77% 76.28 0.0
24 15:55 S 11 16.09 Fair CLR 17 12 73% 76.28 0.0
24 15:35 S 13 14.48 Fair CLR 17 12 73% 76.28 0.0
24 15:15 S 17 16.09 Fair CLR 17 12 73% 76.3 0.0
24 14:55 S 19 14.48 Fair CLR 17 12 73% 76.3 0.0
24 14:35 S 17 16.09 Fair CLR 17 12 73% 76.3 0.0
24 14:15 S 15 14.48 Fair CLR 17 12 73% 76.33 0.0
24 13:55 S 13 12.87 Partly Cloudy SCT021 16 12 77% 76.33 0.0
24 13:35 S 15 14.48 Overcast OVC021 17 12 73% 76.33 0.0
24 13:15 S 17 16.09 Overcast OVC021 16 12 77% 76.33 0.0
24 12:55 S 19 14.48 Mostly Cloudy BKN021 16 12 77% 76.33 0.0
24 12:35 S 9 G 20 14.48 Fair CLR 0 0 0% 76.35 0.0
24 12:15 S 13 14.48 Fair CLR 16 12 77% 76.35 0.0
24 11:55 S 15 14.48 Partly Cloudy SCT022 16 12 77% 76.35 0.0
24 11:35 S 15 16.09 Overcast OVC021 16 12 77% 76.35 0.0
24 11:15 SW 13 14.48 Overcast OVC021 15 12 82% 76.35 0.0
24 10:55 S 15 16.09 Overcast OVC020 14 12 88% 76.33 0.0
24 10:35 S 17 14.48 Overcast OVC021 15 12 82% 76.33 0.0
24 10:15 SW 19 G 30 16.09 Overcast OVC022 15 12 82% 76.3 0.0
24 09:55 S 15 14.48 Overcast OVC022 14 12 88% 76.3 0.0
24 09:35 S 19 16.09 Overcast OVC021 14 12 88% 76.3 0.0
24 09:15 S 11 14.48 Overcast OVC021 14 13 94% 76.3 0.0
24 08:55 SE 13 14.48 Overcast OVC020 14 12 88% 76.3 0.0
24 08:35 S 11 14.48 Overcast OVC019 13 12 94% 76.28 0.0
24 08:15 S 11 14.48 Overcast OVC019 13 12 94% 76.28 0.0
24 07:55 S 11 14.48 Overcast OVC018 13 12 94% 76.28 0.0
24 07:35 S 11 14.48 Overcast OVC018 13 12 94% 76.28 0.0
24 07:15 S 13 14.48 Overcast OVC018 13 12 94% 76.25 0.0
24 06:55 S 13 14.48 Overcast OVC018 13 12 94% 76.25 0.0
24 06:35 S 13 14.48 Overcast OVC018 12 12 100% 76.25 0.0
24 06:15 S 15 14.48 Overcast OVC018 12 12 100% 76.23 0.0
24 05:55 S 11 16.09 Overcast OVC017 12 12 100% 76.2 0.0
24 05:15 S 11 16.09 Overcast SCT008 OVC016 12 12 100% 76.2 0.0
24 04:55 S 9 16.09 Overcast BKN008 OVC017 12 12 100% 76.2 0.0
24 04:35 S 6 16.09 Overcast BKN009 OVC016 12 12 100% 76.2 0.0
24 04:15 S 9 16.09 Overcast SCT008 OVC016 12 12 100% 76.17 0.0
24 03:55 S 7 16.09 Overcast FEW009 OVC016 12 12 100% 76.2 0.0
24 03:35 S 7 16.09 Overcast OVC017 12 12 100% 76.2 0.0
24 03:15 Calm 16.09 Overcast FEW008 OVC018 0 0 0% 76.23 0.0
24 02:55 Calm 16.09 Overcast SCT008 OVC018 12 12 100% 76.23 0.0
24 02:35 SE 9 16.09 Overcast OVC018 12 12 100% 76.23 0.0
24 02:15 S 9 14.48 Overcast OVC018 12 12 100% 76.23 0.0
24 01:55 S 11 14.48 Overcast OVC018 12 12 100% 76.25 0.0
24 01:35 S 13 14.48 Overcast OVC017 13 12 94% 76.23 0.0
24 01:15 S 13 14.48 Overcast OVC017 12 12 100% 76.25 0.0
24 00:55 S 17 14.48 Overcast OVC016 13 12 94% 76.25 0.0
24 00:35 S 15 14.48 Overcast OVC016 13 12 94% 76.23 0.0
24 00:15 S 17 14.48 Overcast OVC015 13 12 94% 76.23 0.0
23 23:55 S 22 16.09 Overcast OVC014 13 12 94% 76.23 0.0
23 23:35 S 20 14.48 Overcast OVC013 0 0 0% 76.23 0.0
23 23:15 S 19 14.48 Overcast OVC013 13 12 94% 76.23 0.0
23 22:55 S 19 14.48 Overcast OVC014 0 0 0% 76.23 0.0
23 22:35 S 17 14.48 Overcast OVC014 13 12 94% 76.23 0.0
23 22:15 S 19 16.09 Overcast OVC014 13 12 94% 76.2 0.0
23 21:55 S 17 14.48 Overcast OVC014 13 12 94% 76.2 0.0
23 21:35 S 17 14.48 Overcast OVC014 13 12 94% 76.17 0.0
23 21:15 S 19 14.48 Overcast OVC015 13 12 94% 76.17 0.0
23 20:55 S 17 G 26 14.48 Overcast OVC015 13 12 94% 76.17 0.0
23 20:35 S 17 14.48 Overcast OVC015 13 12 94% 76.15 0.0
23 20:15 S 19 G 28 12.87 Overcast OVC015 13 12 94% 76.12 0.0
23 19:55 S 17 G 26 14.48 Overcast OVC015 13 12 94% 76.12 0.0
23 19:35 S 20 12.87 Overcast OVC015 14 12 88% 76.12 0.0
23 19:15 S 19 14.48 Overcast OVC016 14 12 88% 76.12 0.0
23 18:55 S 17 12.87 Overcast OVC016 14 12 88% 76.12 0.0
23 18:35 S 15 12.87 Overcast OVC017 14 13 94% 76.12 0.0
23 18:15 S 17 12.87 Overcast OVC018 15 13 88% 76.12 0.0
23 17:55 S 15 11.27 Overcast OVC020 15 13 88% 76.12 0.0
23 17:35 S 17 11.27 Mostly Cloudy BKN022 15 13 88% 76.12 0.0
23 17:15 S 17 9.66 Fog/Mist SCT018 15 14 94% 76.12 0.0
23 16:55 S 19 8.05 Fog/Mist SCT019 SCT024 15 14 94% 76.12 0.0
23 16:35 S 19 9.66 Fog/Mist SCT018 BKN024 16 14 88% 76.12 0.0
23 16:15 S 24 11.27 Overcast OVC018 15 13 88% 76.12 0.0
23 15:55 S 22 9.66 Fog/Mist OVC018 15 13 88% 76.15 0.0
23 15:35 S 22 9.66 Fog/Mist BKN018 15 13 88% 76.15 0.0
23 15:15 S 20 9.66 A Few Clouds FEW018 0 0 0% 76.15 0.0
23 14:55 S 20 G 31 9.66 Partly Cloudy SCT018 SCT025 0 0 0% 76.15 0.0
23 14:35 S 20 G 31 9.66 Fog/Mist SCT016 BKN025 15 13 88% 76.17 0.0
23 14:15 S 26 0.00 Overcast OVC024 15 13 88% 76.17 0.0
23 13:55 Vrbl 22 G 35 0.40 Overcast with Haze OVC023 16 13 83% 76.17 0.0
23 13:35 S 24 9.66 Fog/Mist OVC023 15 13 88% 76.17 0.0
23 13:15 S 26 G 37 9.66 Fog/Mist OVC022 15 13 88% 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)