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.
26 03:55 S 24 9.66 Fog/Mist FEW030 SCT046 13 11 88% 75.92 0.0
26 03:35 S 22 G 37 9.66 Partly Cloudy with Haze FEW037 SCT046 13 11 88% 75.92 0.0
26 03:15 S 22 G 37 9.66 Mostly Cloudy with Haze FEW026 SCT037 BKN045 13 10 82% 75.92 0.0
26 02:55 S 35 G 52 8.05 Mostly Cloudy with Haze and Breezy FEW026 SCT037 BKN043 13 10 82% 75.92 0.0
26 02:35 S 26 9.66 Mostly Cloudy with Haze FEW028 SCT040 BKN060 13 11 88% 75.92 0.0
26 02:15 S 26 G 39 9.66 Mostly Cloudy with Haze FEW028 BKN036 BKN049 13 11 88% 75.95 0.0
26 01:55 S 22 G 35 9.66 Partly Cloudy with Haze FEW035 SCT044 SCT049 13 10 82% 75.92 0.0
26 01:35 S 20 G 37 9.66 Partly Cloudy with Haze FEW040 SCT050 14 10 77% 75.9 0.0
26 01:15 S 19 G 33 8.05 Partly Cloudy with Haze FEW024 SCT040 SCT050 14 10 77% 75.9 0.0
26 00:55 S 15 G 31 9.66 Overcast with Haze FEW026 FEW039 OVC060 13 10 82% 75.9 0.0
26 00:35 SW 24 9.66 Mostly Cloudy with Haze BKN060 14 10 77% 75.9 0.0
26 00:15 SW 19 G 31 9.66 Partly Cloudy with Haze FEW037 FEW050 SCT120 14 10 77% 75.9 0.0
25 23:55 SW 11 G 31 9.66 Overcast with Haze FEW055 OVC110 14 10 77% 75.87 0.0
25 23:35 SW 22 G 41 9.66 Overcast with Haze FEW029 SCT060 OVC110 14 10 77% 75.87 0.0
25 23:15 SW 24 G 41 9.66 Overcast with Haze SCT027 BKN034 OVC055 13 11 88% 75.87 0.0
25 22:55 S 26 G 39 6.44 Fog/Mist FEW016 SCT027 BKN042 14 13 94% 75.84 0.0
25 22:35 S 35 G 52 6.44 Fog/Mist and Breezy BKN020 OVC043 14 13 94% 75.82 0.0
25 22:15 S 35 G 46 6.44 Fog/Mist and Breezy BKN017 BKN023 OVC036 14 13 94% 75.82 0.0
25 21:55 S 31 G 43 6.44 Fog/Mist SCT017 BKN024 OVC031 13 13 100% 75.82 0.0
25 21:35 S 31 G 44 6.44 Fog/Mist SCT017 BKN021 OVC031 13 13 100% 75.79 0.0
25 21:15 S 28 G 41 6.44 Fog/Mist BKN019 BKN027 OVC085 13 13 100% 75.77 0.0
25 20:55 S 31 G 41 6.44 Fog/Mist BKN017 BKN028 OVC075 13 13 100% 75.77 0.0
25 20:35 S 33 8.05 Fog/Mist and Breezy BKN017 BKN050 OVC075 13 12 94% 75.74 0.0
25 20:15 S 30 G 44 8.05 Fog/Mist BKN080 OVC090 13 12 94% 75.72 0.0
25 19:55 S 33 6.44 Fog/Mist and Breezy NULL 12 12 100% 75.67 0.0
25 19:45 S 26 0.00 NULL NULL 0 0 0% 75.67 0.0
25 17:47 S 39 G 67 4.83 Fog/Mist and Breezy NULL 13 13 100% 75.59 0.0
25 17:15 S 37 G 48 6.44 Fog/Mist and Breezy SCT020 BKN030 OVC065 13 13 100% 75.57 0.0
25 16:55 S 33 G 46 4.83 Fog/Mist and Breezy NULL 13 13 100% 75.59 0.0
25 16:45 S 35 0.00 Breezy NULL 13 13 100% 75.59 0.0
25 01:55 S 67 G 91 2.82 Fog/Mist and Windy BKN020 OVC028 14 14 100% 75.06 0.0 0.33
25 01:35 S 61 G 83 2.01 Fog/Mist and Windy SCT014 BKN024 OVC065 14 14 100% 75.11 0.0
25 01:15 S 59 G 80 2.82 Fog/Mist and Windy NULL 14 14 100% 75.11 0.0
25 00:55 S 61 G 81 1.61 Fog/Mist and Windy SCT003 BKN021 OVC025 14 14 100% 75.18 0.0 0.08
25 00:35 S 61 G 81 6.44 Fog/Mist and Windy SCT020 BKN026 OVC070 15 14 94% 75.18 0.0
25 00:15 S 56 G 72 6.44 Fog/Mist and Windy SCT018 BKN070 OVC100 15 14 94% 75.16 0.0
24 23:55 S 57 G 83 6.44 Fog/Mist and Windy SCT017 BKN024 OVC110 15 14 94% 75.18 0.0
24 23:35 S 61 G 74 8.05 Fog/Mist and Windy SCT019 SCT039 BKN110 15 14 94% 75.18 0.0
24 23:15 S 54 G 72 6.44 Fog/Mist and Windy FEW014 SCT019 BKN029 15 14 94% 75.16 0.0
24 22:55 S 44 G 69 6.44 Fog/Mist and Windy FEW016 SCT022 BKN029 14 14 100% 75.21 0.0
24 22:35 S 46 G 61 6.44 Fog/Mist and Windy BKN016 BKN022 OVC028 15 15 100% 75.21 0.0
24 22:15 S 43 G 56 6.44 Fog/Mist and Windy BKN018 BKN027 OVC037 14 14 100% 75.21 0.0
24 21:55 S 43 G 65 6.44 Fog/Mist and Windy BKN019 OVC027 15 15 100% 75.26 0.0
24 21:35 S 41 G 59 6.44 Fog/Mist and Breezy BKN017 OVC024 15 15 100% 75.23 0.0
24 21:15 S 44 G 59 6.44 Fog/Mist and Windy FEW009 BKN014 OVC022 14 14 100% 75.23 0.0
24 20:55 S 41 G 54 2.82 Fog/Mist and Breezy BKN010 OVC015 14 14 100% 75.21 0.0 0.08
24 20:35 S 46 G 67 4.83 Fog/Mist and Windy SCT014 BKN021 OVC055 15 15 100% 75.21 0.0
24 20:15 S 41 G 52 8.05 Fog/Mist and Breezy SCT032 BKN046 OVC055 14 14 100% 75.21 0.0
24 19:55 S 35 G 48 6.44 Fog/Mist and Breezy FEW034 SCT042 BKN055 14 14 100% 75.21 0.0 0.05
24 19:35 S 41 G 61 8.05 Fog/Mist and Breezy FEW019 BKN045 OVC070 14 13 94% 75.21 0.0
24 19:15 S 50 G 69 4.02 Fog/Mist and Windy BKN017 BKN024 OVC065 14 14 100% 75.18 0.0
24 18:55 S 41 G 54 2.82 Fog/Mist and Breezy SCT015 BKN023 OVC032 14 14 100% 75.16 0.0 0.08
24 18:35 S 44 G 63 3.22 Fog/Mist and Windy NULL 15 15 100% 75.16 0.0
24 18:15 S 54 G 65 0.00 Windy NULL 0 0 0% 75.13 0.0
24 01:25 S 76 G 100 3.22 Fog/Mist and Windy NULL 16 16 100% 74.83 0.0
24 00:55 S 74 8.05 Fog/Mist and Windy SCT026 BKN043 OVC055 17 16 94% 74.9 0.0
24 00:35 S 57 G 87 8.05 Fog/Mist and Windy SCT030 BKN047 OVC060 17 16 94% 74.93 0.0
24 00:15 S 61 G 80 4.83 Fog/Mist and Windy BKN030 BKN046 OVC070 16 16 100% 74.93 0.0
23 23:55 S 61 G 74 4.83 Fog/Mist and Windy BKN029 OVC039 16 16 100% 74.96 0.0 0.08
23 23:35 S 65 G 80 3.22 Fog/Mist and Windy BKN029 OVC034 16 16 100% 74.96 0.0
23 23:15 S 48 G 87 6.44 Fog/Mist and Windy BKN030 BKN036 OVC042 16 16 100% 75.01 0.0
23 22:55 S 63 G 74 4.83 Fog/Mist and Windy SCT029 BKN033 OVC040 16 15 94% 74.98 0.0 0.03
23 22:35 S 59 G 74 11.27 Overcast and Windy OVC034 17 14 83% 75.01 0.0
23 22:15 S 48 G 72 8.05 Fog/Mist and Windy OVC035 16 15 94% 75.03 0.0
23 21:55 S 61 G 80 8.05 Fog/Mist and Windy BKN036 BKN045 OVC055 16 15 94% 75.06 0.0
23 21:35 S 57 G 83 9.66 Fog/Mist and Windy FEW031 BKN055 OVC070 16 15 94% 75.06 0.0
23 21:15 S 56 G 76 9.66 Fog/Mist and Windy FEW023 SCT035 BKN065 16 15 94% 75.06 0.0
23 20:55 S 59 G 80 8.05 Fog/Mist and Windy BKN024 BKN035 OVC070 15 15 100% 75.08 0.0
23 20:35 S 59 G 74 4.02 Fog/Mist and Windy FEW025 BKN055 OVC095 15 15 100% 75.13 0.0
23 20:15 S 57 G 74 8.05 Fog/Mist and Windy SCT020 BKN049 OVC090 16 15 94% 75.13 0.0
23 19:55 S 46 G 61 9.66 Fog/Mist and Windy BKN020 OVC025 15 15 100% 75.16 0.0
23 19:35 S 50 G 61 11.27 Overcast and Windy FEW013 BKN021 OVC026 15 15 100% 75.13 0.0
23 19:15 S 31 G 50 4.83 Fog/Mist OVC014 15 15 100% 75.16 0.0
23 18:55 S 43 G 57 8.05 Fog/Mist and Windy BKN012 OVC018 15 15 100% 75.18 0.0
23 18:35 S 46 G 63 11.27 Overcast and Windy BKN019 OVC027 15 15 100% 75.18 0.0
23 18:15 S 41 G 54 14.48 Overcast and Breezy OVC020 15 15 100% 75.21 0.0
23 17:55 S 31 14.48 Overcast OVC019 14 14 100% 75.23 0.0 0.18
23 17:35 S 30 G 43 14.48 Overcast FEW004 BKN020 OVC025 14 14 100% 75.23 0.0
23 16:55 SE 13 G 22 1.61 Light Rain Fog/Mist SCT009 BKN018 OVC024 14 14 100% 75.29 0.0 0.13
23 16:35 S 22 G 35 0.80 Fog/Mist SCT010 OVC018 14 14 100% 75.31 0.0
23 16:15 S 26 G 37 1.21 Fog/Mist BKN017 OVC023 14 14 100% 75.31 0.0
23 15:55 S 24 11.27 Overcast FEW023 FEW033 OVC043 15 15 100% 75.31 0.0
23 15:35 S 20 11.27 Overcast SCT018 BKN024 OVC044 15 15 100% 75.29 0.0
23 15:15 S 28 G 41 11.27 Mostly Cloudy SCT019 SCT023 BKN027 14 14 100% 75.34 0.0
23 14:55 S 46 G 59 6.44 Fog/Mist and Windy SCT019 BKN024 OVC035 15 15 100% 75.36 0.0
23 14:35 S 26 G 35 12.87 Overcast BKN023 OVC036 15 15 100% 75.36 0.0
23 14:15 S 28 G 37 9.66 Fog/Mist FEW012 OVC023 14 14 100% 75.39 0.0
23 13:55 S 26 G 41 4.02 Fog/Mist BKN024 BKN029 OVC036 14 14 100% 75.44 0.0
23 13:35 S 31 G 46 12.87 Overcast FEW024 SCT030 OVC037 15 14 94% 75.46 0.0
23 13:15 S 30 G 41 11.27 Overcast FEW023 BKN030 OVC040 15 14 94% 75.51 0.0
23 12:55 S 35 G 52 3.22 Fog/Mist and Breezy BKN023 OVC031 15 14 94% 75.54 0.0
23 12:35 S 31 14.48 Overcast OVC032 16 14 88% 75.54 0.0
23 12:15 S 28 G 37 14.48 Overcast BKN034 OVC040 16 13 83% 75.57 0.0
23 11:55 S 22 14.48 Overcast OVC039 16 14 88% 75.59 0.0
23 11:35 S 22 14.48 Overcast OVC040 16 14 88% 75.62 0.0
23 11:15 S 31 14.48 Overcast OVC043 16 13 83% 75.64 0.0
23 10:55 S 26 G 43 14.48 Overcast BKN041 OVC047 15 14 94% 75.67 0.0
23 10:35 S 26 G 39 12.87 Overcast BKN039 OVC046 15 14 94% 75.69 0.0
23 10:15 S 31 G 44 12.87 Overcast OVC048 15 15 100% 75.69 0.0
23 09:55 S 28 G 39 12.87 Overcast FEW029 OVC046 15 15 100% 75.69 0.0
23 09:35 S 28 G 41 12.87 Overcast BKN029 OVC049 15 15 100% 75.72 0.0
23 08:55 S 22 11.27 Overcast SCT018 SCT022 OVC060 15 15 100% 75.69 0.0 0.03
23 08:35 SE 17 9.66 Fog/Mist FEW031 BKN046 OVC060 14 14 100% 75.67 0.0
23 08:15 S 22 G 33 8.05 Fog/Mist SCT009 BKN029 OVC039 14 14 100% 75.67 0.0
23 07:55 S 22 9.66 Fog/Mist BKN008 BKN013 OVC021 14 14 100% 75.67 0.0 0.03
23 07:35 S 22 6.44 Fog/Mist BKN009 OVC023 14 14 100% 75.69 0.0
23 07:15 S 11 8.05 Fog/Mist BKN010 BKN024 OVC039 14 14 100% 75.67 0.0
23 06:55 SE 13 11.27 Overcast OVC009 14 14 100% 75.67 0.0
23 06:35 SE 11 9.66 Fog/Mist OVC008 14 14 100% 75.67 0.0
23 06:15 SE 9 8.05 Fog/Mist OVC009 14 14 100% 75.67 0.0
23 05:55 SE 13 6.44 Fog/Mist OVC010 14 14 100% 75.67 0.0
23 05:35 SE 11 11.27 Overcast OVC008 14 14 100% 75.69 0.0
23 05:15 SE 9 6.44 Fog/Mist OVC007 14 14 100% 75.69 0.0
23 04:55 S 13 6.44 Fog/Mist OVC006 14 14 100% 75.69 0.0
23 04:35 SE 15 6.44 Fog/Mist BKN006 BKN018 OVC034 14 14 100% 75.69 0.0
23 04:15 SE 11 9.66 Fog/Mist BKN005 BKN011 OVC034 14 14 100% 75.72 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)