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.
14 12:15 NW 9 8.05 Fair with Haze CLR 18 16 88% 76.25 0.0
14 11:55 W 15 6.44 Fair with Haze CLR 19 15 78% 76.25 0.0
14 11:35 Calm 8.05 Fair with Haze CLR 20 16 78% 76.23 0.0
14 11:15 Vrbl 7 8.05 Fair with Haze CLR 19 16 83% 76.25 0.0
14 10:55 Vrbl 6 6.44 Fair CLR 0 0 0% 76.25 0.0
14 10:35 SW 9 6.44 Fair with Haze CLR 19 16 83% 76.23 0.0
14 10:15 Vrbl 7 6.44 Fog/Mist CLR 17 16 94% 76.23 0.0
14 09:55 NW 9 6.44 Fog/Mist CLR 18 16 88% 76.2 0.0
14 09:35 W 7 6.44 Fog/Mist CLR 18 16 88% 76.23 0.0
14 09:15 Vrbl 6 8.05 Fair with Haze CLR 19 16 83% 76.2 0.0
14 08:55 SE 7 8.05 Fair CLR 0 0 0% 76.2 0.0
14 08:35 SE 7 8.05 Fog/Mist CLR 17 15 88% 76.23 0.0
14 07:35 S 7 4.83 Fog/Mist CLR 15 15 100% 76.17 0.0
14 07:15 Calm 9.66 Fog/Mist CLR 14 14 100% 76.17 0.0
14 06:55 Calm 9.66 Fog/Mist CLR 12 12 100% 76.17 0.0
14 06:35 Calm 8.05 Fog/Mist CLR 11 11 100% 76.17 0.0
14 06:15 Calm 9.66 Fog/Mist SCT003 12 12 100% 76.17 0.0
14 05:55 Calm 9.66 Fog/Mist OVC003 11 11 100% 76.15 0.0
14 05:35 Calm 9.66 Fog/Mist OVC003 12 12 100% 76.15 0.0
14 05:15 Calm 9.66 Fog/Mist BKN003 12 12 100% 76.15 0.0
14 04:55 Calm 11.27 A Few Clouds FEW003 11 11 100% 76.15 0.0
14 04:35 Calm 9.66 Fog/Mist CLR 11 11 100% 76.12 0.0
14 04:15 Calm 6.44 Fog/Mist FEW003 12 12 100% 76.12 0.0
14 03:55 SE 7 8.05 Fog/Mist BKN003 12 12 100% 76.12 0.0
14 03:35 Calm 9.66 Fog/Mist OVC003 12 12 100% 76.15 0.0
14 03:15 Calm 9.66 Fog/Mist OVC003 12 12 100% 76.12 0.0
14 02:55 Calm 9.66 Fog/Mist BKN003 12 12 100% 76.15 0.0
14 02:35 Calm 8.05 Fog/Mist FEW003 12 12 100% 76.12 0.0
14 02:15 Calm 8.05 Fog/Mist SCT003 12 12 100% 76.12 0.0
14 01:55 Calm 4.83 Fog/Mist FEW003 13 13 100% 76.12 0.0
14 01:35 Calm 8.05 Fog/Mist SCT003 12 12 100% 76.12 0.0
14 01:15 Calm 6.44 Fog/Mist FEW003 13 13 100% 76.12 0.0
14 00:55 Calm 6.44 Fog/Mist FEW003 13 13 100% 76.12 0.0
14 00:35 NW 6 6.44 Fog/Mist SCT003 14 14 100% 76.1 0.0
14 00:15 NW 9 6.44 Fog/Mist SCT003 14 14 100% 76.1 0.0
13 23:55 NW 11 4.83 Fog/Mist BKN003 14 14 100% 76.1 0.0
13 23:35 NW 7 6.44 Fog/Mist CLR 14 14 100% 76.12 0.0
13 22:55 Calm 6.44 Fog/Mist CLR 15 15 100% 76.15 0.0
13 22:35 Calm 6.44 Fog/Mist CLR 15 15 100% 76.12 0.0
13 22:15 Calm 4.83 Fair CLR 0 0 0% 76.15 0.0
13 21:55 SW 7 6.44 Fog/Mist CLR 15 15 100% 76.15 0.0
13 21:35 SE 6 6.44 Fog/Mist CLR 15 15 100% 76.12 0.0
13 21:15 Calm 6.44 Fog/Mist CLR 15 15 100% 76.1 0.0
13 20:55 Calm 4.83 Fog/Mist CLR 15 15 100% 76.15 0.0
13 20:35 W 7 4.83 Fog/Mist CLR 15 15 100% 76.1 0.0
13 20:15 NW 9 4.83 Fog/Mist CLR 15 15 100% 76.12 0.0
13 19:55 N 7 4.83 Fog/Mist NULL 16 15 94% 76.1 0.0
13 19:35 NW 13 0.00 NULL NULL 16 15 94% 76.12 0.0
13 19:15 NW 13 4.83 Fog/Mist CLR 16 16 100% 76.07 0.0
13 18:55 NW 7 G 19 6.44 Fog/Mist CLR 17 15 88% 76.05 0.0
13 18:35 NW 9 6.44 Fog/Mist CLR 17 16 94% 76.07 0.0
13 18:15 Calm 4.83 Fog/Mist CLR 17 16 94% 76.07 0.0
13 17:55 NW 7 6.44 Fog/Mist CLR 17 16 94% 76.07 0.0
13 17:35 S 7 6.44 Fair with Haze CLR 18 16 88% 76.07 0.0
13 17:15 S 15 8.05 Fair with Haze CLR 18 15 83% 76.1 0.0
13 16:55 S 15 6.44 Fair with Haze CLR 18 15 83% 76.12 0.0
13 16:35 SE 15 6.44 Fair with Haze CLR 18 15 83% 76.17 0.0
13 16:15 Calm 6.44 Fog/Mist CLR 17 15 88% 76.2 0.0
13 15:55 SE 9 4.83 Fog/Mist CLR 17 16 94% 76.2 0.0
13 15:35 S 9 4.83 Fog/Mist CLR 17 16 94% 76.17 0.0
13 15:15 Calm 4.83 Fog/Mist CLR 16 16 100% 76.17 0.0
13 14:55 S 7 6.44 Fog/Mist CLR 17 15 88% 76.17 0.0
13 14:35 SW 13 6.44 Fair with Haze CLR 18 15 83% 76.15 0.0
13 14:15 S 11 8.05 Fair with Haze CLR 19 16 83% 76.15 0.0
13 13:55 SE 13 6.44 Fair with Haze CLR 19 16 83% 76.2 0.0
13 13:35 SE 13 6.44 Fair with Haze CLR 18 15 83% 76.2 0.0
13 13:15 S 15 6.44 Fair CLR 0 0 0% 76.2 0.0
13 12:55 S 13 6.44 Fair with Haze CLR 18 15 83% 76.17 0.0
13 12:35 SW 11 6.44 Fair with Haze CLR 18 15 83% 76.17 0.0
13 12:15 S 11 6.44 Fair with Haze CLR 18 15 83% 76.17 0.0
13 11:55 S 13 8.05 Fair with Haze CLR 19 15 78% 76.15 0.0
13 11:35 S 11 8.05 Fair with Haze CLR 18 15 83% 76.15 0.0
13 11:15 S 9 8.05 Fair with Haze CLR 18 15 83% 76.15 0.0
13 10:55 SE 11 6.44 Fog/Mist CLR 17 15 88% 76.12 0.0
13 10:35 S 9 8.05 Fair with Haze CLR 17 15 88% 76.12 0.0
13 10:15 S 7 8.05 Fair with Haze CLR 17 15 88% 76.1 0.0
13 09:55 S 9 6.44 Fair with Haze CLR 19 15 78% 76.1 0.0
13 09:35 SE 7 6.44 Fog/Mist CLR 17 15 88% 76.07 0.0
13 09:15 S 13 4.83 Fog/Mist CLR 16 15 94% 76.12 0.0
13 08:55 S 13 4.83 Fog/Mist CLR 15 15 100% 76.12 0.0
13 08:35 S 11 4.83 Fog/Mist CLR 15 15 100% 76.12 0.0
13 08:15 S 9 4.83 Fog/Mist CLR 14 14 100% 76.07 0.0
13 07:55 S 11 6.44 Fog/Mist CLR 15 15 100% 76.02 0.0
13 07:35 SE 9 4.83 Fog/Mist CLR 15 15 100% 76 0.0
13 07:15 SE 6 4.02 Fog/Mist CLR 14 14 100% 76 0.0
13 06:55 Calm 4.83 Fog/Mist CLR 13 13 100% 75.97 0.0
13 06:35 SE 9 6.44 Fog/Mist CLR 13 13 100% 75.97 0.0
13 06:15 Calm 4.83 Fair CLR 0 0 0% 75.95 0.0
13 05:55 Calm 8.05 Fog/Mist CLR 13 13 100% 75.95 0.0
13 05:35 Calm 6.44 Fog/Mist FEW003 13 13 100% 75.95 0.0
13 05:15 S 6 6.44 Fog/Mist SCT003 13 13 100% 75.97 0.0
13 04:55 Calm 8.05 Fog/Mist FEW003 13 13 100% 75.97 0.0
13 04:35 Calm 8.05 Fog/Mist FEW003 13 13 100% 75.97 0.0
13 04:15 Calm 4.83 Fog/Mist BKN003 13 13 100% 75.97 0.0
13 03:55 Calm 6.44 Fog/Mist OVC003 13 13 100% 75.95 0.0
13 03:35 Calm 8.05 Fog/Mist BKN003 13 13 100% 75.97 0.0
13 03:15 Calm 6.44 Fog/Mist OVC003 13 13 100% 75.97 0.0
13 02:55 Calm 8.05 Fog/Mist SCT005 13 13 100% 76 0.0
13 02:35 Calm 6.44 Fog/Mist CLR 13 13 100% 76 0.0
13 02:15 Calm 8.05 Fog/Mist CLR 13 13 100% 76 0.0
13 01:55 Calm 6.44 Fog/Mist CLR 13 13 100% 76.02 0.0
13 01:35 Calm 8.05 Fog/Mist CLR 0 0 0% 76 0.0
13 01:15 Calm 6.44 Fog/Mist CLR 13 13 100% 76 0.0
13 00:35 NW 7 6.44 Fog/Mist FEW003 14 14 100% 76 0.0
13 00:15 Calm 6.44 Fog/Mist FEW003 14 14 100% 76.02 0.0
12 23:55 N 7 6.44 Fog/Mist CLR 14 14 100% 76.02 0.0
12 23:15 Calm 6.44 Fog/Mist CLR 13 13 100% 76.05 0.0
12 22:55 NW 7 6.44 Fog/Mist CLR 14 14 100% 76.05 0.0
12 22:35 Calm 6.44 Fog/Mist CLR 14 14 100% 76.07 0.0
12 22:15 NW 7 6.44 Fog/Mist CLR 14 14 100% 76.05 0.0
12 21:55 NW 9 6.44 Fog/Mist CLR 14 14 100% 76.05 0.0
12 21:35 NW 13 8.05 Fog/Mist CLR 14 14 100% 76.05 0.0
12 21:15 NW 11 8.05 Fog/Mist CLR 14 14 100% 76.05 0.0
12 20:55 NW 9 6.44 Fog/Mist CLR 15 15 100% 76.05 0.0
12 20:35 NW 13 4.83 Fog/Mist CLR 15 15 100% 76.05 0.0
12 20:15 NW 9 4.83 Fog/Mist CLR 15 15 100% 76.05 0.0
12 19:55 NW 7 4.83 Fog/Mist CLR 16 15 94% 76.05 0.0
12 19:35 W 7 6.44 Fog/Mist CLR 16 15 94% 76.07 0.0
12 19:15 W 7 6.44 Fog/Mist CLR 16 15 94% 76.07 0.0
12 18:55 W 9 6.44 Fog/Mist CLR 16 15 94% 76.05 0.0
12 18:35 Calm 6.44 Fog/Mist CLR 17 15 88% 76.05 0.0
12 18:15 W 9 6.44 Fog/Mist CLR 16 15 94% 76.05 0.0
12 17:55 SW 6 6.44 Fog/Mist CLR 17 15 88% 76.05 0.0
12 17:35 SW 7 8.05 Fair with Haze CLR 18 15 83% 76.07 0.0
12 17:15 Vrbl 6 6.44 Fair CLR 0 0 0% 76.07 0.0
12 16:55 Calm 6.44 Fog/Mist CLR 17 15 88% 76.1 0.0
12 16:35 S 7 6.44 Fair with Haze CLR 18 15 83% 76.1 0.0
12 16:15 Calm 6.44 Fair with Haze CLR 18 15 83% 76.1 0.0
12 15:55 S 7 8.05 Fair with Haze CLR 17 15 88% 76.1 0.0
12 15:35 Calm 8.05 Fair with Haze CLR 17 14 83% 76.1 0.0
12 15:15 SW 11 8.05 Fog/Mist CLR 17 15 88% 76.12 0.0
12 14:55 Vrbl 9 8.05 Fair with Haze CLR 18 15 83% 76.12 0.0
12 14:35 Vrbl 7 8.05 Fair with Haze CLR 18 15 83% 76.12 0.0
12 14:15 W 9 8.05 Fair with Haze CLR 17 15 88% 76.15 0.0
12 13:55 S 7 8.05 Fair with Haze CLR 18 15 83% 76.15 0.0
12 13:35 SW 9 6.44 Fair with Haze CLR 18 15 83% 76.15 0.0
12 13:15 SW 11 6.44 Fair with Haze CLR 17 15 88% 76.17 0.0
12 12:55 SW 13 8.05 Fair with Haze CLR 18 15 83% 76.17 0.0
12 12:35 S 9 8.05 Fair with Haze CLR 18 15 83% 76.17 0.0
12 12:15 S 9 9.66 Fair with Haze CLR 17 14 83% 76.17 0.0
12 11:55 Vrbl 9 8.05 Fair with Haze CLR 18 15 83% 76.15 0.0
12 11:35 S 11 8.05 Fair with Haze CLR 17 15 88% 76.15 0.0
12 11:15 S 15 8.05 Fog/Mist CLR 17 15 88% 76.17 0.0
12 10:55 S 11 6.44 Fog/Mist CLR 16 15 94% 76.15 0.0
12 10:35 S 15 6.44 Fog/Mist CLR 16 15 94% 76.17 0.0
12 10:15 S 19 6.44 Fog/Mist CLR 15 15 100% 76.15 0.0
12 09:55 S 15 6.44 Fog/Mist CLR 0 0 0% 76.15 0.0
12 09:35 Vrbl 9 6.44 Fair CLR 0 0 0% 76.12 0.0
12 09:15 S 9 6.44 Fog/Mist CLR 15 15 100% 76.1 0.0
12 08:55 S 11 6.44 Fog/Mist FEW008 15 15 100% 76.1 0.0
12 08:35 SW 7 4.83 Fog/Mist BKN008 15 15 100% 76.1 0.0
12 08:15 Calm 4.83 Fog/Mist SCT007 14 14 100% 76.07 0.0
12 07:55 Calm 6.44 Fog/Mist FEW007 14 14 100% 76.05 0.0
12 07:35 Calm 6.44 Fog/Mist CLR 14 14 100% 76.05 0.0
12 07:15 Calm 4.83 Fog/Mist CLR 14 14 100% 76.05 0.0
12 06:55 E 6 4.83 Fog/Mist CLR 13 13 100% 76.02 0.0
12 06:35 S 7 4.83 Fog/Mist FEW041 FEW060 SCT090 13 13 100% 76.02 0.0
12 06:15 S 7 6.44 Light Rain Fog/Mist FEW040 SCT060 SCT080 13 13 100% 76.05 0.0
12 05:55 SE 6 8.05 Fog/Mist CLR 13 13 100% 76.05 0.0
12 05:35 S 7 8.05 Fog/Mist CLR 13 13 100% 76.05 0.0
12 05:15 SE 7 8.05 Fair CLR 0 0 0% 76.05 0.0
12 04:55 S 7 8.05 Fog/Mist CLR 13 13 100% 76.05 0.0
12 04:35 S 9 8.05 Fog/Mist CLR 13 13 100% 76.05 0.0
12 04:15 SE 9 8.05 Fog/Mist SCT007 13 13 100% 76.05 0.0
12 03:55 SE 11 8.05 Fog/Mist OVC007 13 13 100% 76.07 0.0
12 03:35 SE 9 8.05 Fog/Mist BKN007 13 13 100% 76.07 0.0
12 03:15 SE 11 6.44 Fog/Mist BKN007 13 13 100% 76.07 0.0
12 02:55 SE 7 6.44 Fog/Mist SCT007 SCT120 13 13 100% 76.02 0.0
12 02:35 Calm 8.05 Mostly Cloudy FEW003 BKN007 BKN070 0 0 0% 76 0.0
12 02:15 E 7 6.44 Fog/Mist OVC007 13 13 100% 76 0.0
12 01:55 S 7 8.05 Fog/Mist OVC007 13 13 100% 76.05 0.0
12 01:35 SE 9 8.05 Overcast OVC007 0 0 0% 76.02 0.0
12 01:15 S 9 9.66 Overcast OVC007 0 0 0% 76.1 0.0
12 00:55 SE 9 9.66 Fog/Mist OVC007 13 13 100% 76.1 0.0
12 00:35 S 9 9.66 Fog/Mist OVC008 13 13 100% 76.07 0.0
12 00:15 S 9 9.66 Fog/Mist OVC008 13 13 100% 76.07 0.0
11 23:55 S 6 9.66 Overcast OVC009 0 0 0% 76.05 0.0
11 23:35 Calm 11.27 Mostly Cloudy BKN009 13 13 100% 76.05 0.0
11 23:15 Calm 11.27 Mostly Cloudy BKN008 13 13 100% 76.05 0.0
11 22:55 Calm 9.66 Fog/Mist OVC008 13 13 100% 76.07 0.0
11 22:35 Calm 11.27 Overcast OVC007 13 13 100% 76.1 0.0
11 22:15 Calm 11.27 Mostly Cloudy BKN005 BKN009 13 13 100% 76.07 0.0
11 21:55 Calm 9.66 Fog/Mist OVC004 13 13 100% 76.07 0.0
11 21:35 Calm 9.66 Fog/Mist OVC004 13 13 100% 76.07 0.0
11 21:15 Calm 9.66 Fog/Mist OVC003 13 13 100% 76.07 0.0
11 20:55 NW 7 6.44 Fog/Mist OVC003 13 13 100% 76.05 0.0
11 20:35 N 9 3.22 Fog/Mist OVC003 13 13 100% 76.05 0.0
11 20:15 NW 6 6.44 Fog/Mist OVC004 13 13 100% 76.1 0.0
11 19:55 NW 11 6.44 Fog/Mist OVC005 13 13 100% 76.07 0.0
11 19:35 N 7 8.05 Fog/Mist OVC006 13 13 100% 76.05 0.0
11 19:15 N 11 6.44 Fog/Mist OVC006 13 13 100% 76.07 0.0
11 18:55 NW 17 8.05 Fog/Mist OVC006 14 14 100% 76.05 0.0
11 18:35 NW 19 8.05 Fog/Mist BKN006 14 14 100% 76.05 0.0
11 18:15 NW 13 8.05 Fog/Mist BKN006 14 14 100% 76.05 0.0
11 17:55 NW 17 9.66 Fog/Mist BKN006 14 14 100% 76.05 0.0
11 17:35 NW 19 G 28 9.66 Fog/Mist SCT007 14 13 94% 76.05 0.0
11 17:15 NW 24 9.66 Fog/Mist CLR 15 13 88% 76.02 0.0
11 16:55 NW 19 9.66 Fog/Mist CLR 15 14 94% 76.07 0.0
11 16:35 NW 22 9.66 Fog/Mist CLR 14 13 94% 76.07 0.0
11 16:15 N 17 G 26 9.66 Fog/Mist CLR 15 13 88% 76.1 0.0
11 15:55 NW 22 8.05 Fog/Mist CLR 15 13 88% 76.07 0.0
11 15:35 NW 19 G 30 9.66 Fog/Mist CLR 15 13 88% 76.1 0.0
11 15:15 NW 20 G 31 11.27 Fair CLR 15 14 94% 76.07 0.0
11 14:55 NW 20 12.87 Fair CLR 16 13 83% 76.1 0.0
11 14:35 NW 22 12.87 Fair CLR 16 13 83% 76.1 0.0
11 14:15 NW 20 12.87 Fair CLR 0 0 0% 76.12 0.0
11 13:55 NW 20 12.87 Fair CLR 15 13 88% 76.15 0.0
11 13:35 NW 19 G 28 11.27 A Few Clouds FEW005 15 13 88% 76.12 0.0
11 13:15 NW 19 9.66 Fog/Mist FEW005 15 13 88% 76.12 0.0
11 12:55 NW 20 11.27 Fair CLR 15 13 88% 76.15 0.0
11 12:35 NW 19 11.27 Fair CLR 15 13 88% 76.15 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)