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.
13 01:35 S 13 4.83 Fog/Mist BKN004 OVC009 14 14 100% 75.87 0.0
13 01:15 S 9 4.02 Fog/Mist OVC005 14 14 100% 75.87 0.0
13 00:55 S 9 8.05 Fog/Mist BKN007 OVC010 14 14 100% 75.87 0.0
13 00:35 SW 7 11.27 Overcast BKN005 OVC009 14 14 100% 75.87 0.0
13 00:15 SW 6 11.27 Overcast BKN005 OVC010 14 14 100% 75.87 0.0
12 23:55 S 6 11.27 Overcast BKN005 OVC009 14 14 100% 75.87 0.0
12 23:35 S 6 11.27 Overcast BKN004 OVC009 14 14 100% 75.9 0.0
12 23:15 SW 7 11.27 Overcast BKN004 OVC009 0 0 0% 75.9 0.0
12 22:55 Calm 4.83 Fog/Mist OVC004 0 0 0% 0 0.0
12 22:35 S 11 4.83 Fog/Mist OVC005 14 14 100% 75.92 0.0
12 22:15 S 11 6.44 Fog/Mist OVC006 14 14 100% 75.92 0.0
12 21:55 S 7 4.83 Fog/Mist OVC006 14 14 100% 75.9 0.0
12 21:35 S 9 6.44 Fog/Mist OVC006 15 15 100% 75.9 0.0
12 21:15 S 9 9.66 Fog/Mist OVC007 15 15 100% 75.87 0.0
12 20:55 S 9 8.05 Fog/Mist OVC007 15 15 100% 75.87 0.0
12 20:35 S 7 9.66 Fog/Mist OVC007 15 15 100% 75.84 0.0
12 20:15 S 7 9.66 Fog/Mist OVC007 15 15 100% 75.82 0.0
12 19:55 S 11 12.87 Overcast OVC007 15 15 100% 75.82 0.0
12 19:35 S 11 12.87 Overcast OVC007 15 15 100% 75.82 0.0
12 19:15 S 11 11.27 Overcast OVC007 15 15 100% 75.82 0.0
12 18:55 SW 11 G 22 11.27 Overcast OVC007 15 15 100% 75.82 0.0
12 18:35 S 19 11.27 Overcast OVC007 15 15 100% 75.79 0.0
12 18:15 S 19 14.48 Overcast OVC008 16 15 94% 75.82 0.0
12 17:55 S 20 11.27 Overcast OVC008 16 15 94% 75.82 0.0
12 17:35 S 19 6.44 Fog/Mist BKN006 16 16 100% 75.82 0.0
12 17:15 S 15 G 24 2.01 Fog/Mist OVC004 16 16 100% 75.82 0.0
12 16:55 S 17 3.22 Fog/Mist BKN006 BKN011 16 16 100% 75.84 0.0
12 16:35 S 17 12.87 Mostly Cloudy BKN009 17 16 94% 75.84 0.0
12 16:15 S 19 14.48 Mostly Cloudy BKN011 17 15 88% 75.87 0.0
12 15:55 S 17 14.48 Overcast OVC012 17 15 88% 75.87 0.0
12 15:35 S 19 14.48 Overcast OVC013 17 15 88% 75.9 0.0
12 15:15 S 15 G 28 14.48 Overcast OVC012 17 15 88% 75.92 0.0
12 14:55 S 19 12.87 Overcast OVC012 0 0 0% 75.92 0.0
12 14:35 S 22 12.87 Overcast OVC012 17 15 88% 75.95 0.0
12 14:15 S 17 G 28 16.09 Overcast OVC012 18 15 83% 75.95 0.0
12 13:55 S 19 14.48 Overcast OVC011 17 15 88% 75.95 0.0
12 13:35 S 19 14.48 Partly Cloudy SCT010 0 0 0% 75.97 0.0
12 13:15 S 17 12.87 A Few Clouds FEW008 FEW013 17 15 88% 75.97 0.0
12 12:55 S 15 G 26 12.87 Partly Cloudy SCT012 17 16 94% 75.97 0.0
12 12:35 S 15 G 24 12.87 Partly Cloudy SCT012 18 16 88% 76 0.0
12 12:15 S 17 12.87 A Few Clouds FEW012 18 16 88% 76 0.0
12 11:55 S 17 12.87 NULL NULL 18 16 88% 76 0.0
12 11:35 S 17 11.27 Fair CLR 18 15 83% 76 0.0
12 11:15 S 20 G 30 11.27 Fair CLR 18 15 83% 76.02 0.0
12 10:55 S 22 G 31 12.87 Fair CLR 18 15 83% 76.02 0.0
12 10:35 S 22 9.66 Fair with Haze CLR 18 15 83% 76 0.0
12 10:15 Calm 9.66 Fair with Haze CLR 17 15 88% 76 0.0
12 09:55 S 22 9.66 A Few Clouds with Haze FEW018 17 15 88% 76 0.0
12 09:35 S 24 9.66 Fog/Mist OVC016 17 15 88% 76 0.0
12 08:55 S 13 9.66 Fog/Mist OVC014 16 15 94% 76.02 0.0
12 08:35 S 15 9.66 Fog/Mist OVC013 15 15 100% 76 0.0
12 08:15 S 19 9.66 Fog/Mist OVC013 15 15 100% 76 0.0
12 07:55 S 15 9.66 Fog/Mist OVC013 15 15 100% 76 0.0
12 07:35 S 17 9.66 Fog/Mist OVC012 15 15 100% 76 0.0
12 07:15 S 13 9.66 Fog/Mist OVC011 15 15 100% 76 0.0
12 06:55 S 13 8.05 Fog/Mist OVC011 14 14 100% 76 0.0
12 06:35 S 13 11.27 Overcast OVC010 0 0 0% 76 0.0
12 06:15 S 13 11.27 Overcast OVC010 14 14 100% 75.97 0.0
12 05:55 S 13 12.87 Overcast OVC009 0 0 0% 75.97 0.0
12 05:35 S 13 11.27 Overcast OVC009 14 14 100% 75.97 0.0
12 05:15 S 13 11.27 Overcast OVC009 14 14 100% 75.97 0.0
12 04:55 S 11 11.27 Overcast OVC008 14 14 100% 75.97 0.0
12 04:35 S 15 11.27 Overcast OVC008 14 14 100% 75.97 0.0
12 04:15 S 13 G 24 11.27 Overcast OVC007 14 14 100% 75.97 0.0
12 03:55 S 13 11.27 Overcast OVC007 14 14 100% 75.97 0.0
12 03:35 S 11 8.05 Fog/Mist OVC006 14 14 100% 76 0.0
12 03:15 S 11 8.05 Fog/Mist OVC006 14 14 100% 76 0.0
12 02:55 S 11 6.44 Fog/Mist OVC006 14 14 100% 76 0.0
12 02:35 S 9 6.44 Fog/Mist OVC006 14 14 100% 76.02 0.0
12 02:15 S 7 4.83 Fog/Mist OVC007 14 14 100% 76.02 0.0
12 01:55 S 11 4.83 Fog/Mist OVC005 14 14 100% 76.05 0.0
12 01:35 S 9 4.02 Fog/Mist OVC006 14 14 100% 76.05 0.0
12 01:15 S 9 4.83 Fog/Mist OVC006 14 14 100% 76.05 0.0
12 00:55 S 11 4.83 Fog/Mist OVC006 14 14 100% 76.05 0.0
12 00:40 S 11 4.02 Fog/Mist BKN005 OVC008 14 14 100% 76.07 0.0
12 00:15 S 7 4.83 Overcast BKN005 OVC008 0 0 0% 76.07 0.0
11 23:55 S 13 4.02 Fog/Mist OVC005 14 14 100% 76.07 0.0
11 23:35 S 11 4.02 Fog/Mist OVC006 14 14 100% 76.07 0.0
11 23:15 S 11 2.82 Fog/Mist OVC005 14 14 100% 76.1 0.0
11 22:55 S 11 3.22 Fog/Mist OVC005 14 14 100% 76.1 0.0
11 22:35 S 7 3.22 Fog/Mist OVC005 14 14 100% 76.1 0.0
11 22:15 SW 7 4.83 Fog/Mist OVC005 14 14 100% 76.1 0.0
11 21:55 SW 7 4.83 Fog/Mist OVC006 14 14 100% 76.1 0.0
11 21:35 SW 7 6.44 Fog/Mist OVC006 14 14 100% 76.1 0.0
11 21:15 SW 7 6.44 Fog/Mist OVC007 14 14 100% 76.1 0.0
11 20:55 Vrbl 7 8.05 Fog/Mist OVC007 14 14 100% 76.1 0.0
11 20:35 Vrbl 7 8.05 Fog/Mist OVC007 14 14 100% 76.1 0.0
11 20:15 S 9 8.05 Fog/Mist OVC008 14 14 100% 76.1 0.0
11 19:55 SW 9 8.05 Fog/Mist OVC008 14 14 100% 76.07 0.0
11 19:35 Calm 8.05 Fog/Mist OVC008 15 15 100% 76.07 0.0
11 19:15 SW 9 6.44 Fog/Mist BKN008 BKN015 15 15 100% 76.07 0.0
11 18:55 SW 9 8.05 Fog/Mist BKN008 BKN013 15 15 100% 76.1 0.0
11 18:35 SW 9 9.66 Fog/Mist SCT008 SCT013 15 15 100% 76.1 0.0
11 18:15 SW 11 8.05 Fog/Mist SCT008 SCT012 15 15 100% 76.12 0.0
11 17:55 SW 11 11.27 Partly Cloudy SCT008 SCT013 15 15 100% 76.12 0.0
11 17:35 SW 9 11.27 Mostly Cloudy SCT008 BKN013 15 15 100% 76.1 0.0
11 17:15 SW 11 8.05 Fog/Mist BKN012 15 15 100% 76.12 0.0
11 16:55 Vrbl 7 8.05 Mostly Cloudy BKN013 0 0 0% 76.12 0.0
11 16:35 SW 9 8.05 Fog/Mist BKN013 16 15 94% 76.15 0.0
11 16:15 S 9 8.05 Fog/Mist BKN013 16 15 94% 76.17 0.0
11 15:55 Vrbl 9 6.44 Fog/Mist BKN013 16 15 94% 76.17 0.0
11 15:35 SW 9 6.44 Fog/Mist FEW008 BKN013 16 15 94% 76.17 0.0
11 15:15 Vrbl 9 6.44 Fog/Mist BKN013 17 16 94% 76.2 0.0
11 14:55 S 13 9.66 Fog/Mist OVC012 17 15 88% 76.2 0.0
11 14:35 SW 9 9.66 Fog/Mist BKN012 17 15 88% 76.23 0.0
11 14:15 Vrbl 11 8.05 Fog/Mist OVC011 17 15 88% 76.23 0.0
11 13:55 S 15 11.27 Mostly Cloudy BKN011 17 15 88% 76.23 0.0
11 13:35 S 11 9.66 Fog/Mist BKN011 16 15 94% 76.25 0.0
11 13:15 S 15 G 24 12.87 Partly Cloudy SCT011 17 15 88% 76.25 0.0
11 12:55 S 15 11.27 Partly Cloudy SCT010 17 15 88% 76.25 0.0
11 12:35 S 15 9.66 Fog/Mist SCT011 17 15 88% 76.25 0.0
11 12:15 S 15 9.66 Fog/Mist BKN011 16 15 94% 76.25 0.0
11 11:55 S 13 G 22 9.66 Fog/Mist BKN011 17 15 88% 76.25 0.0
11 11:35 SW 13 6.44 Fog/Mist BKN012 16 15 94% 76.23 0.0
11 11:15 S 15 8.05 Fog/Mist BKN012 16 15 94% 76.23 0.0
11 10:55 S 11 8.05 Fog/Mist BKN013 17 15 88% 76.23 0.0
11 10:35 S 15 8.05 Fog/Mist OVC013 16 15 94% 76.23 0.0
11 10:15 S 19 6.44 Fog/Mist OVC013 16 15 94% 76.2 0.0
11 09:55 S 15 6.44 Fog/Mist OVC013 15 15 100% 76.2 0.0
11 09:35 S 13 6.44 Fog/Mist OVC013 16 15 94% 76.2 0.0
11 09:15 S 15 6.44 Fog/Mist BKN013 15 14 94% 76.2 0.0
11 08:55 S 15 8.05 Fog/Mist BKN013 15 14 94% 76.17 0.0
11 08:35 S 13 6.44 Mostly Cloudy BKN012 0 0 0% 76.17 0.0
11 08:15 S 15 6.44 Fog/Mist SCT009 BKN013 15 14 94% 76.17 0.0
11 07:55 SE 17 6.44 Fog/Mist BKN009 BKN013 15 14 94% 76.15 0.0
11 07:35 SE 17 4.83 Fog/Mist BKN009 OVC013 15 14 94% 76.15 0.0
11 07:15 S 15 6.44 Fog/Mist OVC011 14 14 100% 76.12 0.0
11 06:55 S 9 8.05 Fog/Mist OVC010 14 14 100% 76.12 0.0
11 06:35 S 13 9.66 Fog/Mist OVC009 14 14 100% 76.1 0.0
11 06:15 S 11 9.66 Fog/Mist OVC009 14 14 100% 76.1 0.0
11 05:55 S 11 8.05 Fog/Mist OVC009 14 14 100% 76.07 0.0
11 05:35 S 15 8.05 Fog/Mist OVC009 14 14 100% 76.07 0.0
11 05:15 S 11 8.05 Fog/Mist OVC009 14 14 100% 76.07 0.0
11 04:55 S 13 8.05 Fog/Mist OVC009 14 14 100% 76.07 0.0
11 04:35 S 11 9.66 Fog/Mist OVC009 14 14 100% 76.07 0.0
11 04:15 S 11 9.66 Fog/Mist OVC009 14 14 100% 76.07 0.0
11 03:55 S 9 8.05 Fog/Mist OVC009 14 14 100% 76.07 0.0
11 03:35 S 9 8.05 Fog/Mist OVC009 14 14 100% 76.07 0.0
11 03:15 S 11 8.05 Fog/Mist OVC010 15 14 94% 76.07 0.0
11 02:55 S 11 8.05 Fog/Mist OVC009 15 14 94% 76.07 0.0
11 02:35 S 9 8.05 Fog/Mist OVC010 15 14 94% 76.07 0.0
11 02:15 S 9 8.05 Fog/Mist OVC010 15 14 94% 76.07 0.0
11 01:55 S 9 8.05 Fog/Mist OVC010 15 14 94% 76.1 0.0
11 01:35 S 11 8.05 Fog/Mist OVC011 15 14 94% 76.1 0.0
11 01:15 S 9 8.05 Fog/Mist OVC011 15 14 94% 76.1 0.0
11 00:55 S 9 8.05 Fog/Mist OVC011 15 14 94% 76.1 0.0
11 00:35 S 9 8.05 Fog/Mist OVC011 15 14 94% 76.1 0.0
11 00:15 S 7 8.05 Fog/Mist OVC010 15 14 94% 76.1 0.0
10 23:55 S 6 8.05 Fog/Mist OVC010 15 14 94% 76.12 0.0
10 23:35 S 6 8.05 Fog/Mist OVC011 15 14 94% 76.12 0.0
10 23:15 S 9 8.05 Fog/Mist OVC011 15 14 94% 76.12 0.0
10 22:55 Calm 6.44 Fog/Mist OVC011 15 14 94% 76.12 0.0
10 22:35 Calm 6.44 Fog/Mist OVC011 15 14 94% 76.12 0.0
10 22:15 Calm 8.05 Fog/Mist OVC011 15 14 94% 76.12 0.0
10 21:35 S 7 8.05 Overcast OVC009 0 0 0% 76.1 0.0
10 21:15 SW 6 6.44 Fog/Mist OVC009 14 14 100% 76.07 0.0
10 20:55 Calm 6.44 Fog/Mist OVC009 14 14 100% 76.07 0.0
10 20:35 Calm 6.44 Fog/Mist OVC008 14 14 100% 76.07 0.0
10 20:15 W 9 4.83 Overcast OVC008 0 0 0% 76.05 0.0
10 19:55 Calm 6.44 Fog/Mist OVC008 14 14 100% 76.05 0.0
10 19:35 W 7 4.83 Fog/Mist OVC008 15 14 94% 76.05 0.0
10 19:15 SW 7 4.83 Fog/Mist OVC008 15 14 94% 76.02 0.0
10 18:55 Calm 4.83 Fog/Mist BKN008 15 14 94% 76.02 0.0
10 18:35 W 11 4.83 Fog/Mist BKN008 15 14 94% 76.02 0.0
10 18:15 SW 11 4.83 Fog/Mist SCT009 15 15 100% 76.02 0.0
10 17:55 SW 7 4.02 Fog/Mist CLR 15 15 100% 76.02 0.0
10 17:35 SW 9 4.83 Fog/Mist CLR 16 15 94% 76.02 0.0
10 17:15 W 9 4.83 Fog/Mist CLR 16 15 94% 76.05 0.0
10 16:55 Vrbl 7 4.83 Fog/Mist FEW013 16 15 94% 76.05 0.0
10 16:35 SW 11 6.44 Fog/Mist CLR 17 15 88% 76.05 0.0
10 16:15 Vrbl 9 4.83 Fog/Mist FEW013 17 15 88% 76.05 0.0
10 15:55 Vrbl 7 6.44 Fog/Mist SCT013 17 15 88% 76.07 0.0
10 15:35 Vrbl 6 4.83 Fog/Mist SCT013 17 15 88% 76.07 0.0
10 15:15 S 13 4.83 Fog/Mist CLR 17 15 88% 76.1 0.0
10 14:55 Vrbl 9 4.83 Fog/Mist CLR 17 15 88% 76.1 0.0
10 14:35 SW 9 4.83 Fog/Mist CLR 17 15 88% 76.1 0.0
10 14:15 S 13 6.44 Fog/Mist CLR 17 15 88% 76.1 0.0
10 13:55 S 15 4.83 Fog/Mist CLR 17 15 88% 76.1 0.0
10 13:35 S 11 G 20 4.83 Fog/Mist CLR 17 15 88% 76.1 0.0
10 13:15 SW 11 4.83 Fog/Mist CLR 17 15 88% 76.1 0.0
10 12:55 S 13 6.44 Fog/Mist CLR 17 15 88% 76.1 0.0
10 12:35 S 13 6.44 Fog/Mist CLR 17 15 88% 76.12 0.0
10 12:15 S 13 G 22 6.44 Fog/Mist CLR 17 15 88% 76.12 0.0
10 11:55 S 17 6.44 Fog/Mist CLR 17 15 88% 76.12 0.0
10 11:35 S 13 4.83 Fog/Mist CLR 17 15 88% 76.12 0.0
10 11:15 S 15 4.83 Fog/Mist CLR 16 15 94% 76.12 0.0
10 10:55 S 13 4.83 Fog/Mist FEW007 16 15 94% 76.12 0.0
10 10:35 S 15 4.02 A Few Clouds FEW007 0 0 0% 76.1 0.0
10 10:15 S 13 4.83 Fog/Mist FEW008 15 15 100% 76.1 0.0
10 09:55 S 15 4.83 Fog/Mist FEW008 15 15 100% 76.07 0.0
10 09:35 S 17 4.83 Fog/Mist FEW009 15 15 100% 76.07 0.0
10 09:15 S 15 4.83 Fog/Mist BKN009 15 15 100% 76.07 0.0
10 08:55 S 15 4.83 Fog/Mist BKN008 15 15 100% 76.05 0.0
10 08:35 S 15 4.02 Fog/Mist BKN008 15 15 100% 76.05 0.0
10 08:15 S 15 4.83 Fog/Mist BKN008 15 15 100% 76.02 0.0
10 07:55 SE 13 4.02 Fog/Mist OVC007 15 15 100% 76 0.0
10 07:35 S 17 4.02 Fog/Mist OVC007 15 15 100% 76 0.0
10 07:15 S 13 4.02 Fog/Mist OVC008 15 15 100% 75.97 0.0
10 06:55 SE 11 4.02 Fog/Mist OVC007 15 15 100% 75.97 0.0
10 06:35 SE 11 4.83 Fog/Mist OVC008 15 15 100% 75.95 0.0
10 05:55 SE 13 6.44 Fog/Mist OVC008 14 14 100% 75.92 0.0
10 05:35 SE 11 6.44 Fog/Mist OVC008 14 14 100% 75.9 0.0
10 04:35 S 9 6.44 Fog/Mist OVC008 15 15 100% 75.87 0.0
10 04:15 S 11 6.44 Fog/Mist OVC008 0 0 0% 75.87 0.0
10 03:55 S 9 6.44 Fog/Mist OVC008 15 15 100% 75.87 0.0
10 03:35 SE 7 6.44 Fog/Mist OVC008 15 15 100% 75.87 0.0
10 03:15 S 7 6.44 Fog/Mist OVC009 15 15 100% 75.87 0.0
10 02:55 SE 7 6.44 Fog/Mist OVC009 15 15 100% 75.87 0.0
10 02:35 S 7 6.44 Fog/Mist OVC009 15 15 100% 75.87 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)