Weather observations for the past three days for
Half Moon Bay Airport
Metric (Imperial)
Date Time (pst) 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.
14 20:35 Calm 8.05 Fog/Mist FEW003 FEW055 11 11 100% 76.17 0.0
14 20:15 Calm 8.05 Fog/Mist CLR 11 11 100% 76.17 0.0
14 19:55 NE 6 9.66 Fog/Mist FEW003 SCT041 11 11 100% 76.17 0.0
14 19:35 Calm 9.66 Fog/Mist BKN040 11 11 100% 76.17 0.0
14 19:15 Calm 9.66 Fog/Mist CLR 11 11 100% 76.15 0.0
14 18:55 Calm 8.05 Fog/Mist CLR 12 12 100% 76.15 0.0
14 18:35 Calm 8.05 Fog/Mist CLR 12 12 100% 76.15 0.0
14 18:15 NE 6 8.05 Fog/Mist CLR 13 12 94% 76.12 0.0
14 17:55 N 6 6.44 Fog/Mist CLR 13 13 100% 76.12 0.0
14 17:35 NW 9 6.44 Fog/Mist CLR 14 13 94% 76.12 0.0
14 17:15 N 9 4.83 Fog/Mist FEW050 14 14 100% 76.1 0.0
14 16:55 NW 11 4.83 Fog/Mist BKN049 14 14 100% 76.1 0.0
14 16:35 N 7 8.05 Fog/Mist SCT050 15 14 94% 76.1 0.0
14 16:15 NW 15 8.05 Fog/Mist CLR 15 14 94% 76.1 0.0
14 15:55 NW 13 8.05 Fog/Mist CLR 16 14 88% 76.1 0.0
14 15:35 NW 13 9.66 Fair with Haze CLR 16 13 83% 76.1 0.0
14 15:15 NW 11 9.66 Fair with Haze CLR 17 14 83% 76.1 0.0
14 14:55 NW 7 9.66 Fair with Haze CLR 17 12 73% 76.07 0.0
14 14:35 W 11 11.27 Fair CLR 17 12 73% 76.07 0.0
14 14:15 W 9 9.66 A Few Clouds with Haze FEW020 FEW075 17 13 77% 76.07 0.0
14 13:55 Calm 11.27 Mostly Cloudy BKN070 17 13 77% 76.07 0.0
14 13:35 NW 11 6.44 Mostly Cloudy with Haze BKN070 17 14 83% 76.07 0.0
14 13:15 NW 9 6.44 Fog/Mist FEW008 FEW013 16 14 88% 76.1 0.0
14 12:55 NW 7 6.44 Fog/Mist FEW008 FEW013 16 15 94% 76.1 0.0
14 12:35 NW 13 4.83 Fog/Mist CLR 16 15 94% 76.12 0.0
14 12:15 W 11 6.44 Fog/Mist CLR 16 15 94% 76.12 0.0
14 11:55 W 7 6.44 Fog/Mist CLR 16 15 94% 76.12 0.0
14 11:35 Vrbl 9 6.44 Fog/Mist CLR 16 14 88% 76.12 0.0
14 11:15 W 9 6.44 Fog/Mist CLR 16 14 88% 76.12 0.0
14 10:55 SW 9 8.05 Fog/Mist CLR 16 14 88% 76.15 0.0
14 10:35 W 7 4.83 Fog/Mist CLR 16 14 88% 76.15 0.0
14 10:15 SW 9 4.83 Fog/Mist CLR 16 14 88% 76.15 0.0
14 09:55 Calm 8.05 Fog/Mist CLR 16 14 88% 76.15 0.0
14 09:35 Calm 8.05 Fog/Mist CLR 15 14 94% 76.15 0.0
14 09:15 SE 9 3.22 Fog/Mist FEW003 15 14 94% 76.12 0.0
14 08:55 Calm 6.44 Fog/Mist CLR 15 14 94% 76.07 0.0
14 08:35 S 7 3.22 Fog/Mist CLR 14 14 100% 76.1 0.0
14 08:15 Calm 11.27 Fair CLR 13 13 100% 76.07 0.0
14 07:55 Calm 12.87 Fair CLR 12 12 100% 76.05 0.0
14 07:35 Calm 8.05 Fog/Mist CLR 11 11 100% 76.05 0.0
14 07:15 Calm 4.83 Fog/Mist CLR 11 11 100% 76.05 0.0
14 06:55 Calm 9.66 Fog/Mist FEW011 11 11 100% 76.02 0.0
14 06:15 NE 11 11.27 Partly Cloudy SCT010 12 12 100% 76 0.0
14 05:55 Calm 6.44 Fog/Mist FEW003 FEW008 FEW032 12 12 100% 76 0.0
14 05:35 E 6 3.22 Fog/Mist SCT003 BKN010 BKN018 13 13 100% 76 0.0
14 05:15 Calm 4.02 Fog/Mist BKN010 OVC018 13 13 100% 76 0.0
14 04:35 Calm 4.83 Fog/Mist OVC005 13 13 100% 75.97 0.0
14 04:15 E 6 4.83 Fog/Mist OVC002 13 13 100% 75.97 0.0
14 03:55 Calm 2.01 Fog/Mist OVC003 13 13 100% 75.95 0.0
14 03:35 Calm 2.82 Fog/Mist OVC004 14 14 100% 75.97 0.0
14 03:15 Calm 3.22 Fog/Mist SCT005 BKN010 OVC015 14 14 100% 75.97 0.0
14 02:55 Calm 3.22 Fog/Mist SCT004 BKN009 BKN019 14 14 100% 76 0.0
14 02:35 Calm 4.83 Fog/Mist BKN004 BKN008 13 13 100% 76 0.0
14 02:15 SE 9 6.44 Fog/Mist OVC003 14 14 100% 76 0.0
14 01:55 SE 6 4.83 Fog/Mist BKN002 OVC018 14 14 100% 76 0.0
14 01:35 S 6 3.22 Fog/Mist BKN002 BKN017 BKN022 14 14 100% 76 0.0
14 01:15 S 7 4.02 Fog/Mist BKN002 BKN006 OVC023 14 14 100% 76 0.0
14 00:55 S 7 4.83 Fog/Mist FEW003 SCT007 BKN022 14 14 100% 76 0.0
14 00:35 S 9 4.02 Fog/Mist FEW006 BKN021 OVC028 14 14 100% 76 0.0
14 00:15 S 9 4.83 Fog/Mist BKN004 OVC019 14 14 100% 76.02 0.0
13 23:55 S 9 4.83 Fog/Mist BKN003 OVC006 14 14 100% 76.02 0.0
13 23:35 S 13 4.02 Fog/Mist OVC003 14 14 100% 76 0.0
13 23:15 S 11 0.80 Fog/Mist OVC002 14 14 100% 76 0.0
13 22:55 S 15 G 26 2.01 Fog/Mist OVC002 14 14 100% 76 0.0
13 22:35 S 19 0.40 Fog OVC002 14 14 100% 75.97 0.0
13 22:15 S 19 0.40 Fog OVC002 14 14 100% 75.97 0.0
13 21:55 S 15 0.80 Fog OVC002 14 14 100% 75.95 0.0 0.03
13 21:15 S 19 3.22 Fog/Mist SCT004 BKN013 OVC032 14 14 100% 75.92 0.0
13 20:55 S 15 G 24 6.44 Fog/Mist BKN004 BKN013 OVC030 15 15 100% 75.92 0.0 0.05
13 20:35 S 24 1.21 Fog/Mist OVC002 15 15 100% 75.92 0.0
13 20:15 S 19 G 28 3.22 Fog/Mist OVC003 15 15 100% 75.9 0.0
13 19:55 S 22 6.44 Fog/Mist SCT005 BKN010 OVC016 15 15 100% 75.87 0.0 0.1
13 19:35 S 20 3.22 Fog/Mist BKN005 BKN013 OVC019 15 15 100% 75.87 0.0
13 19:15 S 24 6.44 Fog/Mist BKN006 BKN012 OVC030 15 15 100% 75.84 0.0
13 18:55 S 20 8.05 Fog/Mist OVC007 15 15 100% 75.84 0.0
13 18:35 S 24 11.27 Overcast BKN009 BKN030 OVC041 15 15 100% 75.84 0.0
13 18:15 S 20 9.66 Fog/Mist SCT010 SCT022 OVC032 15 15 100% 75.84 0.0
13 17:55 S 22 11.27 Overcast FEW022 OVC031 15 15 100% 75.84 0.0
13 17:35 S 15 8.05 Fog/Mist BKN023 BKN029 OVC037 15 15 100% 75.82 0.0
13 17:15 S 13 6.44 Fog/Mist OVC024 15 15 100% 75.79 0.0
13 16:55 S 9 4.83 Fog/Mist BKN027 BKN033 OVC060 15 15 100% 75.79 0.0
13 16:35 S 11 8.05 Fog/Mist BKN031 OVC060 15 15 100% 75.77 0.0
13 16:15 S 11 6.44 Fog/Mist SCT032 BKN060 BKN095 15 15 100% 75.77 0.0
13 15:55 SE 11 8.05 Fog/Mist FEW048 BKN060 BKN095 15 15 100% 75.74 0.0 0.03
13 15:35 S 13 9.66 Fog/Mist BKN046 BKN055 BKN095 16 16 100% 75.77 0.0
13 15:15 S 15 6.44 Fog/Mist FEW035 BKN044 15 15 100% 75.77 0.0
13 14:55 S 11 4.02 Light Rain Fog/Mist FEW017 BKN044 15 15 100% 75.77 0.0 0.03
13 14:35 S 13 4.83 Fog/Mist FEW017 OVC046 15 15 100% 75.77 0.0
13 14:15 SE 15 G 24 4.83 Fog/Mist OVC045 15 15 100% 75.77 0.0
13 13:55 S 19 9.66 Fog/Mist FEW006 OVC040 14 14 100% 75.77 0.0 0.08
13 13:35 SE 19 4.02 Fog/Mist SCT006 SCT014 BKN037 14 14 100% 75.74 0.0
13 13:15 S 19 G 28 2.41 Light Rain Fog/Mist SCT005 BKN016 BKN021 14 14 100% 75.79 0.0
13 12:55 S 19 2.82 Light Rain Fog/Mist SCT005 SCT017 BKN032 15 15 100% 75.77 0.0 0.18
13 12:35 S 19 2.41 Light Rain Fog/Mist BKN004 SCT020 SCT025 14 14 100% 75.77 0.0
13 12:15 S 22 1.61 Light Rain Fog/Mist OVC004 15 15 100% 75.79 0.0
13 11:55 SE 17 2.82 Light Rain Fog/Mist OVC003 15 15 100% 75.77 0.0 0.36
13 11:35 SE 15 3.22 Fog/Mist OVC004 15 15 100% 75.79 0.0
13 11:15 SE 13 2.01 Rain Fog/Mist BKN005 OVC030 15 15 100% 75.82 0.0
13 10:55 S 11 2.01 Rain Fog/Mist SCT005 BKN026 OVC032 15 15 100% 75.82 0.0 0.36
13 10:35 S 15 1.21 Rain Fog/Mist BKN005 OVC025 15 15 100% 75.84 0.0
13 10:15 S 13 2.01 Fog/Mist BKN003 OVC023 15 15 100% 75.82 0.0
13 09:55 S 9 G 22 1.21 Fog/Mist OVC003 15 15 100% 75.79 0.0 0.08
13 09:35 S 15 3.22 Fog/Mist BKN004 15 15 100% 75.77 0.0
13 09:15 S 13 3.22 Fog/Mist SCT004 SCT008 BKN013 15 15 100% 75.74 0.0
13 08:55 Vrbl 11 1.21 Light Rain Fog/Mist OVC003 15 15 100% 75.77 0.0 0.74
13 08:35 S 17 G 31 1.21 Fog/Mist OVC003 15 15 100% 75.74 0.0
13 08:15 S 15 G 37 0.40 Heavy Rain Fog OVC003 15 15 100% 75.72 0.0
13 07:55 SW 20 G 54 0.80 Heavy Rain Fog/Mist BKN003 OVC014 16 16 100% 75.72 0.0 0.74
13 07:35 S 43 G 61 2.01 Heavy Rain Fog/Mist and Windy SCT003 BKN015 OVC034 16 16 100% 75.64 0.0
13 07:15 S 48 G 61 3.22 Rain Fog/Mist and Windy BKN016 BKN028 OVC034 16 16 100% 75.62 0.0
13 06:55 S 50 G 67 3.22 Light Rain Fog/Mist and Windy OVC017 16 16 100% 75.62 0.0 0.64
13 06:35 S 44 G 63 2.82 Rain Fog/Mist and Windy SCT003 OVC017 16 16 100% 75.62 0.0
13 06:15 S 48 G 61 1.61 Heavy Rain Fog/Mist and Windy SCT003 BKN013 OVC020 16 16 100% 75.62 0.0
13 05:55 S 41 G 57 2.01 Light Rain Fog/Mist and Breezy SCT003 BKN018 OVC024 16 16 100% 75.59 0.0 0.25
13 05:35 S 43 G 57 2.41 Light Rain Fog/Mist and Windy FEW003 SCT011 BKN016 16 16 100% 75.57 0.0
13 05:15 S 39 G 50 3.22 Light Rain Fog/Mist and Breezy FEW003 OVC019 16 16 100% 75.57 0.0
13 04:55 S 43 G 57 2.41 Light Rain Fog/Mist and Windy SCT004 OVC020 17 17 100% 75.59 0.0 0.46
13 04:35 S 44 G 56 2.41 Light Rain Fog/Mist and Windy SCT003 OVC018 17 17 100% 75.59 0.0
13 04:15 S 43 G 57 3.22 Rain Fog/Mist and Windy FEW004 OVC021 17 17 100% 75.59 0.0
13 03:55 S 35 G 48 6.44 Fog/Mist and Breezy BKN021 OVC028 17 17 100% 75.57 0.0
13 03:35 S 30 G 43 9.66 Fog/Mist SCT022 BKN028 OVC035 17 17 100% 75.62 0.0
13 03:15 S 44 G 54 6.44 Fog/Mist and Windy SCT021 BKN025 OVC035 17 16 94% 75.64 0.0
13 02:55 S 46 G 57 11.27 Overcast and Windy SCT019 OVC024 17 16 94% 75.67 0.0
13 02:35 S 46 G 57 9.66 Fog/Mist and Windy BKN020 OVC026 17 16 94% 75.69 0.0
13 02:15 S 39 G 50 8.05 Fog/Mist and Breezy BKN021 OVC026 18 16 88% 75.72 0.0
13 01:55 S 43 G 56 9.66 Fog/Mist and Windy SCT020 BKN027 OVC034 18 16 88% 75.72 0.0
13 01:35 S 46 11.27 Overcast and Windy FEW020 BKN026 OVC036 18 16 88% 75.72 0.0
13 01:15 S 48 11.27 Overcast and Windy SCT026 BKN032 OVC038 18 16 88% 75.74 0.0
13 00:55 S 35 G 48 11.27 Overcast and Breezy BKN029 OVC043 18 16 88% 75.77 0.0
13 00:35 S 37 G 52 11.27 Overcast and Breezy SCT027 SCT034 OVC044 18 16 88% 75.77 0.0
13 00:15 S 35 G 52 11.27 Mostly Cloudy and Breezy FEW022 SCT032 BKN045 18 15 83% 75.79 0.0
12 23:55 S 43 G 56 12.87 Overcast and Windy BKN023 OVC031 18 16 88% 75.82 0.0
12 23:35 S 37 12.87 Overcast and Breezy OVC028 18 15 83% 75.84 0.0
12 23:15 S 33 G 43 12.87 Overcast and Breezy OVC029 18 15 83% 75.84 0.0
12 22:55 S 28 G 39 12.87 Overcast BKN029 OVC033 17 15 88% 75.87 0.0
12 22:35 S 33 G 44 14.48 Overcast and Breezy BKN029 OVC033 18 15 83% 75.87 0.0
12 22:15 S 33 12.87 Overcast and Breezy OVC027 17 16 94% 75.9 0.0
12 21:55 S 37 G 48 12.87 Overcast and Breezy OVC028 17 16 94% 75.9 0.0
12 21:35 S 30 12.87 Overcast OVC028 17 16 94% 75.92 0.0
12 21:15 S 28 G 39 12.87 Overcast SCT026 OVC031 17 16 94% 75.95 0.0
12 20:55 S 24 G 35 14.48 Overcast BKN024 OVC032 17 16 94% 75.95 0.0
12 20:35 S 22 G 33 12.87 Overcast FEW020 BKN025 OVC031 16 16 100% 75.95 0.0
12 20:15 S 20 11.27 Overcast FEW022 FEW026 OVC032 16 16 100% 75.95 0.0
12 19:55 S 28 G 39 6.44 Fog/Mist BKN025 OVC032 16 16 100% 75.97 0.0
12 19:35 S 28 4.02 Fog/Mist OVC027 16 16 100% 75.97 0.0
12 19:15 S 30 11.27 Overcast BKN027 OVC031 17 16 94% 75.97 0.0
12 18:55 S 30 G 44 12.87 Overcast BKN027 OVC032 17 15 88% 75.97 0.0
12 18:35 S 30 11.27 Overcast BKN025 OVC032 17 16 94% 75.95 0.0
12 18:15 S 24 G 33 12.87 Overcast OVC026 17 15 88% 75.95 0.0
12 17:55 S 17 11.27 Overcast BKN027 OVC032 16 16 100% 75.95 0.0
12 17:35 S 24 12.87 Overcast OVC032 17 15 88% 75.95 0.0
12 17:15 S 24 12.87 Overcast OVC033 17 15 88% 75.95 0.0
12 16:55 S 28 G 48 12.87 Overcast OVC033 17 15 88% 75.97 0.0
12 16:35 S 30 G 41 12.87 Overcast OVC034 17 15 88% 76 0.0
12 16:15 S 24 G 33 12.87 Overcast OVC034 17 15 88% 76 0.0
12 15:55 S 33 14.48 Overcast and Breezy OVC037 17 15 88% 76 0.0
12 15:35 SE 13 9.66 Fog/Mist OVC038 16 15 94% 76 0.0
12 15:15 SE 13 11.27 Overcast OVC036 16 15 94% 76 0.0
12 14:55 SE 20 12.87 Overcast OVC036 16 14 88% 76 0.0
12 14:35 S 24 11.27 Overcast OVC032 17 14 83% 76.02 0.0
12 14:15 SE 9 12.87 Overcast OVC032 18 15 83% 76.02 0.0
12 13:55 S 11 11.27 Overcast OVC033 18 15 83% 76.05 0.0
12 13:35 S 15 G 24 11.27 Overcast OVC036 17 15 88% 76.05 0.0
12 13:15 S 26 G 35 14.48 Overcast OVC036 18 14 78% 76.07 0.0
12 12:55 S 26 11.27 Overcast BKN037 OVC044 18 14 78% 76.1 0.0
12 12:35 S 26 G 43 11.27 Overcast OVC044 17 14 83% 76.12 0.0
12 12:15 S 28 G 39 12.87 Overcast OVC045 17 14 83% 76.12 0.0
12 11:55 S 22 G 35 12.87 Overcast OVC046 17 15 88% 76.15 0.0
12 11:35 S 19 G 28 12.87 Overcast OVC048 17 15 88% 76.15 0.0
12 11:15 S 19 12.87 Overcast OVC049 18 15 83% 76.17 0.0
12 10:55 S 20 12.87 Overcast OVC047 17 15 88% 76.2 0.0
12 10:35 SE 20 12.87 Overcast SCT025 OVC044 17 15 88% 76.23 0.0
12 10:15 S 19 11.27 Overcast OVC026 16 15 94% 76.25 0.0
12 09:55 S 13 G 22 8.05 Fog/Mist OVC026 16 15 94% 76.25 0.0
12 09:35 S 22 G 33 11.27 Overcast OVC029 16 15 94% 76.28 0.0
12 09:15 S 17 9.66 Fog/Mist FEW023 BKN031 OVC042 15 15 100% 76.25 0.0
12 08:55 S 17 G 30 11.27 Overcast SCT022 SCT031 OVC041 16 15 94% 76.25 0.0
12 08:35 S 20 11.27 Overcast FEW019 OVC037 16 15 94% 76.25 0.0
12 08:15 S 11 11.27 Overcast OVC035 15 15 100% 76.23 0.0
12 07:55 S 11 11.27 Overcast OVC035 15 15 100% 76.23 0.0
12 07:35 SE 15 11.27 Overcast OVC033 15 15 100% 76.2 0.0
12 07:15 S 17 11.27 Overcast OVC033 15 15 100% 76.2 0.0
12 06:55 S 15 12.87 Overcast OVC035 15 15 100% 76.2 0.0
12 06:35 S 17 12.87 Overcast FEW012 OVC034 15 15 100% 76.23 0.0
12 06:15 S 13 12.87 Overcast BKN011 OVC035 15 15 100% 76.23 0.0
12 05:55 S 11 8.05 Fog/Mist OVC011 15 15 100% 76.2 0.0
12 05:35 S 6 8.05 Fog/Mist OVC012 15 15 100% 76.2 0.0
12 05:15 SE 9 8.05 Fog/Mist BKN012 OVC021 14 14 100% 76.2 0.0
12 04:55 SE 11 9.66 Fog/Mist FEW013 BKN020 OVC035 14 14 100% 76.2 0.0
12 04:35 S 9 9.66 Fog/Mist SCT026 OVC036 14 14 100% 76.23 0.0
12 04:15 SE 11 9.66 Fog/Mist FEW012 OVC036 14 14 100% 76.2 0.0
12 03:55 SE 13 9.66 Fog/Mist BKN011 OVC034 14 14 100% 76.2 0.0
12 03:35 S 15 9.66 Fog/Mist BKN007 OVC010 14 14 100% 76.23 0.0
12 03:15 S 13 9.66 Fog/Mist OVC006 14 14 100% 76.23 0.0
12 02:55 S 17 9.66 Fog/Mist OVC005 14 14 100% 76.23 0.0
12 02:35 S 17 9.66 Fog/Mist OVC005 14 14 100% 76.23 0.0
12 02:15 S 13 9.66 Fog/Mist BKN006 OVC016 14 14 100% 76.25 0.0
12 01:55 S 24 8.05 Fog/Mist SCT016 OVC024 15 15 100% 76.25 0.0
12 01:35 SW 17 9.66 Fog/Mist OVC025 14 14 100% 76.25 0.0
12 01:15 S 11 9.66 Fog/Mist OVC023 15 15 100% 76.23 0.0
12 00:55 S 7 12.87 Overcast OVC023 15 14 94% 76.23 0.0
12 00:35 SE 11 14.48 Overcast OVC023 15 14 94% 76.23 0.0
12 00:15 SE 13 12.87 Overcast OVC021 15 14 94% 76.25 0.0
11 23:55 SE 11 8.05 Fog/Mist OVC020 15 15 100% 76.23 0.0
11 23:35 SE 15 8.05 Fog/Mist BKN014 OVC019 14 14 100% 76.25 0.0
11 23:15 S 15 6.44 Fog/Mist BKN010 OVC013 14 14 100% 76.28 0.0
11 22:55 S 13 8.05 Fog/Mist OVC008 14 14 100% 76.28 0.0
11 22:35 S 11 9.66 Fog/Mist OVC009 14 14 100% 76.28 0.0
11 22:15 S 13 9.66 Fog/Mist OVC009 14 14 100% 76.3 0.0
11 21:55 S 19 9.66 Fog/Mist OVC008 14 14 100% 76.3 0.0
11 21:35 S 17 9.66 Fog/Mist OVC007 14 14 100% 76.3 0.0
11 21:15 S 15 9.66 Fog/Mist OVC007 14 14 100% 76.3 0.0
11 20:55 S 19 9.66 Fog/Mist OVC006 14 14 100% 76.3 0.0
Date Time (pst) 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)