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 13:55 NW 31 4.02 Fair with Haze CLR 19 16 83% 76.3 0.0
13 13:35 N 28 G 41 6.44 Fair with Haze CLR 20 16 78% 76.3 0.0
13 13:15 NW 33 4.83 Fair with Haze and Breezy CLR 19 15 78% 76.3 0.0
13 12:55 NW 28 G 37 4.83 Fair with Haze CLR 20 14 69% 76.33 0.0
13 12:35 NW 31 4.83 Fair with Haze CLR 19 15 78% 76.33 0.0
13 12:15 N 28 6.44 Fair with Haze CLR 19 16 83% 76.35 0.0
13 11:55 NW 30 G 39 4.83 Fair with Haze CLR 19 16 83% 76.35 0.0
13 11:35 NW 31 G 41 3.22 Fair with Haze CLR 18 16 88% 76.35 0.0
13 11:15 NW 30 4.02 Fog/Mist FEW013 18 16 88% 76.35 0.0
13 10:55 N 24 6.44 Fog/Mist BKN013 18 16 88% 76.38 0.0
13 10:35 NW 24 4.02 Fog/Mist BKN013 18 16 88% 76.38 0.0
13 10:15 NW 20 G 31 4.83 Fog/Mist BKN013 18 16 88% 76.38 0.0
13 09:55 N 19 6.44 Mostly Cloudy BKN013 0 0 0% 76.38 0.0
13 09:35 N 17 6.44 Fog/Mist OVC013 17 16 94% 76.35 0.0
13 09:15 N 17 8.05 Overcast OVC012 0 0 0% 76.35 0.0
13 08:55 N 17 4.83 Fog/Mist OVC012 16 16 100% 76.35 0.0
13 08:35 NW 19 3.22 Fog/Mist BKN012 16 16 100% 76.35 0.0
13 08:15 NW 19 3.22 Fog/Mist OVC012 16 16 100% 76.35 0.0
13 07:55 N 15 G 26 4.02 Fog/Mist BKN012 16 16 100% 76.33 0.0
13 07:35 N 13 4.02 Fog/Mist SCT012 15 15 100% 76.33 0.0
13 07:15 N 15 2.82 Fog/Mist OVC010 15 15 100% 76.3 0.0
13 06:55 N 17 4.83 Fog/Mist OVC010 15 15 100% 76.3 0.0
13 06:35 N 17 6.44 Fog/Mist OVC010 15 15 100% 76.3 0.0
13 06:15 N 17 4.83 Fog/Mist BKN009 15 15 100% 76.3 0.0
13 05:55 N 15 6.44 Fog/Mist SCT009 15 15 100% 76.28 0.0
13 05:35 N 17 6.44 Fog/Mist BKN008 15 15 100% 76.28 0.0
13 05:15 N 17 6.44 Fog/Mist BKN008 OVC011 15 15 100% 76.28 0.0
13 04:55 N 19 6.44 Fog/Mist BKN009 OVC012 15 15 100% 76.28 0.0
13 04:35 N 17 G 30 6.44 Fog/Mist BKN009 BKN012 15 15 100% 76.28 0.0
13 04:15 N 19 6.44 Fog/Mist SCT010 15 15 100% 76.28 0.0
13 03:55 N 17 6.44 Fog/Mist BKN010 15 15 100% 76.28 0.0
13 03:35 N 19 6.44 Fog/Mist BKN011 15 15 100% 76.28 0.0
13 03:15 N 17 6.44 Fog/Mist CLR 15 15 100% 76.28 0.0
13 02:55 N 19 6.44 Fog/Mist FEW012 15 15 100% 76.28 0.0
13 02:35 N 13 6.44 Mostly Cloudy SCT012 BKN046 0 0 0% 76.28 0.0
13 02:15 N 22 6.44 Fog/Mist FEW010 FEW045 15 15 100% 76.28 0.0
13 01:55 NW 20 6.44 Fog/Mist SCT011 15 15 100% 76.3 0.0
13 00:55 N 19 6.44 Fog/Mist FEW010 16 16 100% 76.3 0.0
13 00:35 N 15 6.44 Fog/Mist FEW010 16 16 100% 76.3 0.0
13 00:15 N 20 6.44 Fog/Mist FEW011 16 16 100% 76.28 0.0
12 23:55 N 17 6.44 Fog/Mist BKN011 16 16 100% 76.28 0.0
12 23:35 N 22 6.44 Fog/Mist BKN012 16 16 100% 76.25 0.0
12 23:15 N 19 6.44 Fog/Mist BKN013 16 16 100% 76.28 0.0
12 22:55 N 22 6.44 Fog/Mist BKN014 16 16 100% 76.25 0.0
12 22:35 N 20 6.44 Fog/Mist BKN015 16 16 100% 76.25 0.0
12 22:15 N 22 6.44 Fog/Mist BKN015 16 16 100% 76.28 0.0
12 21:55 N 20 G 30 6.44 Fog/Mist BKN014 16 16 100% 76.25 0.0
12 21:35 NW 20 G 33 4.83 Fog/Mist OVC015 16 16 100% 76.25 0.0
12 21:15 NW 22 G 33 4.83 Fog/Mist OVC017 17 16 94% 76.23 0.0
12 20:55 NW 22 G 33 6.44 Fog/Mist BKN018 16 15 94% 76.23 0.0
12 20:35 N 19 G 28 6.44 Fog/Mist FEW018 16 15 94% 76.23 0.0
12 20:15 NW 24 6.44 Fog/Mist CLR 16 15 94% 76.2 0.0
12 19:55 NW 20 G 31 6.44 Haze NULL 16 14 88% 76.17 0.0
12 19:35 NW 24 0.00 NULL NULL 17 13 77% 76.17 0.0
12 19:15 NW 19 G 30 4.83 Fair with Haze CLR 17 13 77% 76.17 0.0
12 18:55 NW 19 4.83 Fair with Haze CLR 17 14 83% 76.17 0.0
12 18:35 NW 22 4.83 Fair with Haze CLR 18 14 78% 76.17 0.0
12 18:15 NW 22 4.83 Fair with Haze CLR 18 14 78% 76.17 0.0
12 17:55 NW 22 4.83 Fair with Haze CLR 19 14 73% 76.17 0.0
12 17:35 NW 22 6.44 Fair with Haze CLR 19 14 73% 76.17 0.0
12 17:15 NW 22 6.44 Fair CLR 0 0 0% 76.17 0.0
12 16:55 NW 19 6.44 Fair with Haze CLR 19 14 73% 76.17 0.0
12 16:35 NW 19 6.44 Fair with Haze CLR 19 14 73% 76.15 0.0
12 16:15 NW 19 6.44 Fair with Haze CLR 19 14 73% 76.17 0.0
12 15:55 NW 20 6.44 Fair with Haze CLR 19 14 73% 76.17 0.0
12 15:35 NW 24 6.44 Fair with Haze CLR 19 14 73% 76.2 0.0
12 15:15 NW 22 6.44 Fair with Haze CLR 19 14 73% 76.2 0.0
12 14:55 NW 26 6.44 Fair with Haze CLR 19 14 73% 76.2 0.0
12 14:35 NW 28 6.44 Fair with Haze CLR 19 14 73% 76.23 0.0
12 14:15 NW 22 8.05 Fair with Haze CLR 19 14 73% 76.23 0.0
12 13:55 NW 20 8.05 Fair with Haze CLR 20 14 69% 76.23 0.0
12 13:35 NW 20 6.44 Fair with Haze CLR 19 15 78% 76.23 0.0
12 13:15 NW 17 6.44 Fair with Haze CLR 19 15 78% 76.23 0.0
12 12:55 NW 19 6.44 Fair with Haze CLR 19 15 78% 76.2 0.0
12 12:35 NW 17 6.44 Fair with Haze CLR 19 15 78% 76.2 0.0
12 12:15 NW 15 6.44 Fair with Haze CLR 19 15 78% 76.2 0.0
12 11:55 Vrbl 11 6.44 Fair with Haze CLR 19 15 78% 76.2 0.0
12 11:35 NW 15 6.44 Fair with Haze CLR 19 15 78% 76.23 0.0
12 11:15 Vrbl 11 G 22 4.83 Fair with Haze CLR 19 15 78% 76.2 0.0
12 10:55 NW 17 4.83 Fair with Haze CLR 18 15 83% 76.2 0.0
12 10:35 NW 13 4.02 Fair with Haze CLR 18 15 83% 76.17 0.0
12 10:15 NW 13 4.83 Fair with Haze CLR 18 15 83% 76.17 0.0
12 09:55 Vrbl 9 6.44 Fair with Haze CLR 18 15 83% 76.15 0.0
12 09:35 NW 11 4.83 Fair with Haze CLR 18 15 83% 76.15 0.0
12 09:15 NW 11 4.83 Fog/Mist CLR 17 15 88% 76.15 0.0
12 08:55 Calm 4.83 Fog/Mist CLR 17 16 94% 76.15 0.0
12 08:35 Calm 4.83 Fog/Mist FEW019 15 15 100% 76.15 0.0
12 08:15 Calm 2.41 Fog/Mist BKN018 13 13 100% 76.12 0.0
12 07:55 Calm 3.22 Fog/Mist SCT017 12 12 100% 76.1 0.0
12 07:35 Calm 4.02 Fog/Mist FEW015 11 11 100% 76.07 0.0
12 07:15 Calm 4.02 Fog/Mist FEW014 11 11 100% 76.05 0.0
12 06:55 Calm 2.82 Fog/Mist BKN013 10 10 100% 76.02 0.0
12 06:35 Calm 3.22 Fog/Mist BKN013 10 10 100% 76 0.0
12 06:15 Calm 4.02 Fog/Mist BKN013 11 11 100% 76 0.0
12 05:55 Calm 6.44 Fog/Mist BKN014 11 11 100% 76 0.0
12 05:35 Calm 4.83 Fog/Mist OVC014 11 11 100% 76 0.0
12 05:15 Calm 6.44 Fog/Mist BKN013 11 11 100% 76 0.0
12 04:55 Calm 6.44 Fog/Mist BKN013 10 10 100% 76 0.0
12 04:35 Calm 4.83 Fog/Mist BKN013 10 10 100% 76 0.0
12 04:15 Calm 6.44 Mostly Cloudy BKN013 0 0 0% 76 0.0
12 03:55 NE 6 8.05 Fog/Mist SCT013 11 11 100% 75.97 0.0
12 03:35 Calm 8.05 Fog/Mist BKN013 11 11 100% 76 0.0
12 03:15 Calm 6.44 Fog/Mist BKN014 11 11 100% 76 0.0
12 02:55 Calm 6.44 Fog/Mist BKN013 11 11 100% 76 0.0
12 02:15 Calm 6.44 Fog/Mist SCT013 11 11 100% 76 0.0
12 01:55 Calm 6.44 Fog/Mist FEW013 11 11 100% 75.97 0.0
12 01:35 Calm 8.05 Fog/Mist FEW013 11 11 100% 76 0.0
12 01:15 Calm 8.05 Fog/Mist FEW015 11 11 100% 76 0.0
12 00:55 Calm 8.05 Fog/Mist CLR 11 11 100% 75.97 0.0
12 00:35 Calm 8.05 Fog/Mist CLR 11 11 100% 75.97 0.0
12 00:15 Calm 8.05 Fog/Mist CLR 12 12 100% 75.95 0.0
11 23:55 Calm 6.44 Fog/Mist CLR 11 11 100% 75.97 0.0
11 23:35 Calm 6.44 Fog/Mist CLR 12 12 100% 75.97 0.0
11 23:15 Calm 6.44 Fog/Mist CLR 12 12 100% 75.97 0.0
11 22:35 Calm 8.05 Fog/Mist CLR 12 12 100% 75.97 0.0
11 22:15 Calm 8.05 Fog/Mist CLR 13 13 100% 75.97 0.0
11 21:55 Calm 8.05 Fog/Mist CLR 13 13 100% 75.97 0.0
11 21:35 Calm 8.05 Fair CLR 0 0 0% 75.97 0.0
11 21:15 Calm 8.05 Fog/Mist CLR 14 14 100% 75.97 0.0
11 20:55 Calm 8.05 Fog/Mist CLR 14 14 100% 75.97 0.0
11 20:35 Calm 8.05 Fog/Mist CLR 14 14 100% 75.95 0.0
11 20:15 Calm 6.44 Fog/Mist CLR 15 15 100% 75.95 0.0
11 19:55 NW 7 4.02 Fog/Mist FEW012 15 15 100% 75.95 0.0
11 19:35 NW 7 2.01 Fog/Mist BKN011 16 16 100% 75.95 0.0
11 19:15 NW 7 3.22 Mostly Cloudy BKN012 0 0 0% 75.95 0.0
11 18:55 NW 9 4.02 Fog/Mist BKN012 17 16 94% 75.95 0.0
11 18:35 NW 7 4.02 Fog/Mist BKN011 17 16 94% 75.95 0.0
11 18:15 NW 7 3.22 Fog/Mist BKN012 17 16 94% 75.95 0.0
11 17:55 NW 11 4.02 Fog/Mist SCT013 17 16 94% 75.95 0.0
11 17:35 NW 13 4.02 Fog/Mist BKN013 17 16 94% 75.97 0.0
11 17:15 N 13 4.83 Fog/Mist OVC012 17 16 94% 75.97 0.0
11 16:55 N 9 4.83 Fog/Mist OVC012 17 16 94% 76 0.0
11 16:35 N 11 4.83 Fog/Mist BKN013 17 16 94% 76.02 0.0
11 16:15 NW 11 4.83 Fog/Mist SCT008 BKN013 18 16 88% 76.02 0.0
11 15:55 NW 13 4.02 Fog/Mist BKN008 17 17 100% 76.02 0.0
11 15:35 NW 11 4.83 Fog/Mist BKN008 17 17 100% 76.05 0.0
11 15:15 NW 9 4.83 Fog/Mist SCT008 17 16 94% 76.05 0.0
11 14:55 NW 15 4.83 Fog/Mist FEW008 18 16 88% 76.05 0.0
11 14:35 W 13 4.83 Fair with Haze CLR 19 17 88% 76.07 0.0
11 14:15 W 15 6.44 Fog/Mist CLR 18 16 88% 76.07 0.0
11 13:55 W 15 8.05 Fair with Haze CLR 19 16 83% 76.07 0.0
11 13:35 NW 15 8.05 Fog/Mist FEW013 18 16 88% 76.1 0.0
11 13:15 W 15 11.27 Mostly Cloudy BKN013 19 16 83% 76.1 0.0
11 12:55 Vrbl 11 9.66 Fog/Mist SCT013 18 16 88% 76.12 0.0
11 12:35 W 13 8.05 Fog/Mist BKN013 19 16 83% 76.12 0.0
11 12:15 Vrbl 11 9.66 Fog/Mist FEW008 BKN013 18 16 88% 76.15 0.0
11 11:55 W 9 9.66 Fog/Mist SCT008 18 16 88% 76.17 0.0
11 11:35 Vrbl 6 8.05 Fog/Mist SCT009 17 16 94% 76.17 0.0
11 11:15 NW 7 9.66 Fog/Mist BKN011 0 0 0% 76.17 0.0
11 10:55 Calm 11.27 Mostly Cloudy BKN012 17 16 94% 76.15 0.0
11 10:35 Calm 6.44 Fog/Mist FEW009 BKN013 17 16 94% 76.15 0.0
11 10:15 SW 6 6.44 Fog/Mist BKN009 17 16 94% 76.12 0.0
11 09:55 Calm 6.44 Fog/Mist BKN009 BKN013 17 16 94% 76.12 0.0
11 09:35 W 7 4.02 Fog/Mist BKN011 17 16 94% 76.12 0.0
11 09:15 Calm 4.83 Fog/Mist BKN009 16 16 100% 76.12 0.0
11 08:55 Calm 4.83 Fog/Mist OVC010 16 16 100% 76.1 0.0
11 08:35 Calm 4.02 Fog/Mist OVC010 16 16 100% 76.12 0.0
11 08:15 NW 6 4.83 Fog/Mist OVC009 16 16 100% 76.12 0.0
11 07:35 Calm 3.22 Fog/Mist OVC007 15 15 100% 76.12 0.0
11 07:15 Calm 4.02 Fog/Mist OVC006 15 15 100% 76.1 0.0
11 06:55 Calm 4.83 Fog/Mist OVC006 15 15 100% 76.1 0.0
11 06:35 Calm 3.22 Fog/Mist OVC005 15 15 100% 76.07 0.0
11 06:15 W 6 4.02 Fog/Mist OVC005 15 15 100% 76.07 0.0
11 05:55 Calm 6.44 Fog/Mist OVC005 15 15 100% 76.07 0.0
11 05:35 Calm 4.83 Fog/Mist OVC006 15 15 100% 76.1 0.0
11 05:15 NW 7 4.02 Fog/Mist OVC005 15 15 100% 76.1 0.0
11 04:55 Calm 4.83 Fog/Mist OVC005 15 15 100% 76.1 0.0
11 04:35 Calm 6.44 Fog/Mist OVC006 0 0 0% 76.1 0.0
11 04:15 NW 7 4.83 Fog/Mist OVC005 15 15 100% 76.1 0.0
11 03:55 Calm 4.02 Fog/Mist OVC005 15 15 100% 76.12 0.0
11 03:35 Vrbl 9 4.83 Fog/Mist OVC005 15 15 100% 76.12 0.0
11 03:15 NW 11 6.44 Fog/Mist OVC006 15 15 100% 76.12 0.0
11 02:55 NW 13 4.83 Fog/Mist OVC005 15 15 100% 76.12 0.0
11 02:35 NW 9 3.22 Fog/Mist OVC005 15 15 100% 76.12 0.0
11 01:55 NW 9 4.02 Fog/Mist OVC005 16 16 100% 76.15 0.0
11 01:35 NW 13 3.22 Fog/Mist OVC005 16 16 100% 76.12 0.0
11 01:15 NW 11 4.83 Fog/Mist OVC005 16 16 100% 76.12 0.0
11 00:55 N 9 4.83 Fog/Mist OVC005 16 16 100% 76.12 0.0
11 00:35 NW 7 8.05 Fog/Mist OVC005 16 16 100% 76.12 0.0
10 23:55 NW 11 4.83 Fog/Mist OVC005 16 16 100% 76.12 0.0
10 23:35 NW 9 4.83 Fog/Mist OVC004 16 16 100% 76.12 0.0
10 23:15 NW 9 3.22 Fog/Mist OVC004 16 16 100% 76.12 0.0
10 22:55 N 9 4.83 Fog/Mist OVC004 16 16 100% 76.15 0.0
10 22:35 NW 11 4.02 Fog/Mist OVC004 16 16 100% 76.15 0.0
10 22:15 NW 11 3.22 Fog/Mist OVC004 16 16 100% 76.15 0.0
10 21:55 N 11 4.02 Fog/Mist OVC004 16 16 100% 76.15 0.0
10 21:35 N 13 4.83 Fog/Mist OVC004 16 16 100% 76.12 0.0
10 21:15 N 17 3.22 Fog/Mist OVC005 16 16 100% 76.12 0.0
10 20:55 N 13 4.02 Fog/Mist OVC005 16 16 100% 76.12 0.0
10 20:35 NW 15 4.02 Fog/Mist OVC005 16 16 100% 76.1 0.0
10 20:15 NW 15 4.83 Fog/Mist OVC005 16 16 100% 76.1 0.0
10 19:55 N 11 3.22 Fog/Mist OVC005 16 16 100% 76.07 0.0
10 19:35 N 13 4.02 Fog/Mist OVC005 16 16 100% 76.07 0.0
10 19:15 Vrbl 11 3.22 Fog/Mist OVC004 16 16 100% 76.07 0.0
10 18:55 N 19 2.82 Fog/Mist OVC004 16 16 100% 76.07 0.0
10 18:35 NW 13 2.01 Fog/Mist OVC005 17 17 100% 76.07 0.0
10 18:15 NW 19 2.41 Fog/Mist OVC005 17 17 100% 76.1 0.0
10 17:55 N 19 2.82 Fog/Mist OVC004 17 17 100% 76.1 0.0
10 17:35 NW 19 2.41 Fog/Mist NULL 17 17 100% 76.1 0.0
10 17:15 NW 17 G 26 2.41 Fog/Mist NULL 17 17 100% 76.07 0.0
10 16:55 NW 20 2.82 Fog/Mist OVC005 18 17 94% 76.07 0.0
10 16:35 NW 19 2.82 Fog/Mist BKN005 18 17 94% 76.07 0.0
10 16:15 NW 17 3.22 Fog/Mist BKN004 19 18 94% 76.1 0.0
10 15:55 NW 22 4.02 Fog/Mist FEW005 19 18 94% 76.12 0.0
10 15:35 NW 20 4.02 Fog/Mist CLR 20 18 88% 76.12 0.0
10 15:15 NW 20 4.83 Fair with Haze CLR 20 18 88% 76.12 0.0
10 14:55 NW 19 4.02 Fair with Haze CLR 21 18 83% 76.15 0.0
10 14:35 NW 22 4.02 Fair with Haze CLR 21 18 83% 76.17 0.0
10 14:15 NW 20 4.83 Fair with Haze CLR 21 18 83% 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)