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.
29 13:35 NW 20 4.83 Fair with Haze CLR 18 15 83% 75.72 0.0
29 13:15 NW 19 4.83 Fair with Haze CLR 18 15 83% 75.74 0.0
29 12:55 NW 19 4.83 Fair with Haze CLR 19 15 78% 75.77 0.0
29 12:35 NW 20 4.83 Fair with Haze CLR 18 15 83% 75.79 0.0
29 12:15 NW 17 4.83 Fair with Haze CLR 18 15 83% 75.79 0.0
29 11:55 NW 17 4.83 Fair with Haze CLR 18 15 83% 75.79 0.0
29 11:35 NW 19 4.02 Fog/Mist CLR 17 15 88% 75.82 0.0
29 11:15 NW 19 4.83 Fog/Mist CLR 17 15 88% 75.82 0.0
29 10:55 NW 15 4.83 Fog/Mist CLR 17 16 94% 75.82 0.0
29 10:35 NW 13 4.83 Fog/Mist CLR 17 16 94% 75.82 0.0
29 10:15 NW 13 4.83 Fog/Mist CLR 17 16 94% 75.82 0.0
29 09:55 NW 11 4.83 Fog/Mist CLR 17 15 88% 75.82 0.0
29 09:35 NW 7 4.02 Fog/Mist CLR 16 16 100% 75.79 0.0
29 09:15 NW 9 3.22 Fog/Mist BKN005 15 15 100% 75.82 0.0
29 08:55 N 11 2.82 Fog/Mist OVC004 14 14 100% 75.82 0.0
29 08:35 Calm 2.41 Fog/Mist OVC005 13 13 100% 75.82 0.0
29 08:15 Calm 0.40 Fog BKN002 OVC006 13 13 100% 75.82 0.0
29 07:55 Calm 0.80 Overcast OVC002 0 0 0% 75.82 0.0
29 07:35 Calm 3.22 Fog/Mist OVC003 10 10 100% 75.82 0.0
29 07:15 Calm 2.82 Fog/Mist OVC005 9 9 100% 75.82 0.0
29 06:55 Calm 4.83 Fog/Mist OVC005 9 9 100% 75.82 0.0
29 06:35 Calm 6.44 Fog/Mist OVC003 8 8 100% 75.82 0.0
29 06:15 Calm 4.83 Fog/Mist OVC004 8 8 100% 75.79 0.0
29 05:55 Calm 8.05 Fog/Mist OVC004 8 8 100% 75.79 0.0
29 05:35 Calm 6.44 Fog/Mist OVC005 8 8 100% 75.82 0.0
29 05:15 Calm 8.05 Fog/Mist OVC007 8 8 100% 75.82 0.0
29 04:55 Calm 0.80 Fog/Mist OVC007 8 8 100% 75.82 0.0
29 04:35 Calm 6.44 Fog/Mist OVC006 9 9 100% 75.82 0.0
29 04:15 Calm 8.05 Fog/Mist OVC006 8 8 100% 75.79 0.0
29 03:55 NE 6 6.44 Fog/Mist BKN006 9 9 100% 75.82 0.0
29 03:35 Calm 6.44 Fog/Mist SCT007 9 9 100% 75.82 0.0
29 03:15 Calm 6.44 Fog/Mist CLR 9 9 100% 75.82 0.0
29 02:35 NE 6 6.44 Fog/Mist CLR 9 9 100% 75.84 0.0
29 02:15 Calm 6.44 Fog/Mist CLR 10 10 100% 75.87 0.0
29 01:55 NE 6 6.44 Fog/Mist CLR 9 9 100% 75.9 0.0
29 01:35 Calm 6.44 Fog/Mist CLR 10 10 100% 75.9 0.0
29 01:15 Calm 6.44 Fog/Mist CLR 10 10 100% 75.9 0.0
29 00:55 Calm 8.05 Fog/Mist CLR 9 9 100% 75.9 0.0
29 00:35 Calm 8.05 Fog/Mist CLR 10 10 100% 75.9 0.0
29 00:15 Calm 8.05 Fog/Mist CLR 10 10 100% 75.92 0.0
28 23:55 Calm 6.44 Fog/Mist CLR 10 10 100% 75.9 0.0
28 23:35 Calm 6.44 Partly Cloudy SCT010 0 0 0% 75.9 0.0
28 23:15 Calm 6.44 Fog/Mist SCT010 11 11 100% 75.92 0.0
28 22:55 NE 6 8.05 Fog/Mist FEW010 11 11 100% 75.92 0.0
28 22:35 Calm 8.05 Fog/Mist BKN010 12 12 100% 75.92 0.0
28 22:15 E 7 8.05 Fog/Mist BKN011 12 12 100% 75.92 0.0
28 21:55 Calm 6.44 Fog/Mist BKN011 13 13 100% 75.92 0.0
28 21:35 Calm 6.44 Fog/Mist OVC012 14 14 100% 75.92 0.0
28 21:15 Calm 6.44 Fog/Mist OVC012 14 14 100% 75.95 0.0
28 20:55 Calm 6.44 Fog/Mist OVC012 14 14 100% 75.95 0.0
28 20:35 Vrbl 7 6.44 Fog/Mist OVC012 14 14 100% 75.92 0.0
28 20:15 Calm 6.44 Fog/Mist OVC011 0 0 0% 0 0.0
28 19:55 NW 7 6.44 Fog/Mist OVC010 14 14 100% 75.95 0.0
28 19:35 NW 7 6.44 Fog/Mist OVC010 14 14 100% 75.95 0.0
28 19:15 NW 15 G 24 6.44 Fog/Mist OVC010 14 14 100% 75.95 0.0
28 18:55 NW 17 4.83 Fog/Mist OVC010 14 14 100% 75.95 0.0
28 18:35 NW 17 4.83 Fog/Mist OVC010 14 14 100% 75.95 0.0
28 18:15 N 15 G 28 4.83 Fog/Mist OVC010 14 14 100% 75.95 0.0
28 17:55 NW 19 4.83 Fog/Mist OVC010 15 14 94% 75.95 0.0
28 17:35 NW 20 6.44 Overcast OVC012 0 0 0% 75.95 0.0
28 17:15 NW 20 6.44 Fog/Mist BKN010 15 14 94% 75.95 0.0
28 16:55 NW 17 G 28 6.44 Fog/Mist BKN011 15 14 94% 75.97 0.0
28 16:35 NW 19 G 31 6.44 Fog/Mist BKN012 15 14 94% 75.97 0.0
28 16:15 NW 26 6.44 Fog/Mist BKN012 15 14 94% 76 0.0
28 15:55 N 20 6.44 Fog/Mist OVC012 16 14 88% 76 0.0
28 15:35 NW 20 8.05 Fog/Mist BKN013 16 14 88% 76.02 0.0
28 15:15 NW 24 G 33 6.44 Partly Cloudy with Haze SCT013 17 14 83% 76.02 0.0
28 14:55 NW 28 8.05 Fair with Haze CLR 16 14 88% 76.05 0.0
28 14:35 NW 20 8.05 Fair with Haze CLR 16 14 88% 76.05 0.0
28 14:15 NW 17 8.05 Fair with Haze CLR 16 13 83% 76.05 0.0
28 13:55 NW 19 6.44 Fair with Haze CLR 16 14 88% 76.07 0.0
28 13:35 W 13 8.05 Fair with Haze CLR 16 14 88% 76.07 0.0
28 13:15 W 15 8.05 Fair with Haze CLR 16 13 83% 76.1 0.0
28 12:55 W 15 8.05 Fair with Haze CLR 16 13 83% 76.12 0.0
28 12:35 W 13 8.05 Fair with Haze CLR 16 13 83% 76.12 0.0
28 12:15 SW 11 6.44 A Few Clouds with Haze FEW013 16 13 83% 76.12 0.0
28 11:55 W 13 8.05 Mostly Cloudy with Haze BKN013 16 13 83% 76.12 0.0
28 11:35 Vrbl 11 8.05 Overcast with Haze OVC014 16 13 83% 76.12 0.0
28 11:15 W 11 6.44 Fog/Mist OVC014 15 13 88% 76.12 0.0
28 10:55 SW 7 6.44 Fog/Mist OVC013 15 13 88% 76.12 0.0
28 10:35 Calm 6.44 Fog/Mist OVC013 15 13 88% 76.12 0.0
28 10:15 Calm 6.44 Fog/Mist OVC013 14 13 94% 76.12 0.0
28 09:55 W 7 8.05 Fog/Mist OVC013 14 13 94% 76.12 0.0
28 09:35 Calm 6.44 Fog/Mist OVC013 14 13 94% 76.1 0.0
28 09:15 NW 7 6.44 Fog/Mist OVC012 14 13 94% 76.1 0.0
28 08:55 NW 7 6.44 Fog/Mist OVC012 14 13 94% 76.1 0.0
28 08:35 Calm 6.44 Mostly Cloudy BKN011 0 0 0% 76.1 0.0
28 08:15 Calm 6.44 Fog/Mist OVC012 14 13 94% 76.07 0.0
28 07:55 Calm 6.44 Fog/Mist OVC012 14 13 94% 76.05 0.0
28 07:35 Calm 6.44 Fog/Mist OVC013 14 13 94% 76.05 0.0
28 07:15 Calm 9.66 Fog/Mist OVC012 13 13 100% 76.05 0.0
28 06:55 NW 7 8.05 Fog/Mist OVC012 14 13 94% 76.02 0.0
28 06:15 NW 11 9.66 Fog/Mist OVC014 14 12 88% 76.02 0.0
28 05:55 NW 7 8.05 Fog/Mist OVC014 14 13 94% 76 0.0
28 05:35 Calm 9.66 Fog/Mist OVC012 13 13 100% 76 0.0
28 05:15 NW 9 9.66 Fog/Mist OVC012 14 13 94% 76 0.0
28 04:55 Calm 8.05 Fog/Mist OVC012 14 13 94% 76 0.0
28 04:35 NW 11 8.05 Fog/Mist OVC011 14 13 94% 76.02 0.0
28 04:15 NW 11 8.05 Fog/Mist OVC011 14 13 94% 76.02 0.0
28 03:55 NW 9 8.05 Fog/Mist OVC012 14 13 94% 76.02 0.0
28 03:35 N 7 8.05 Fog/Mist OVC011 14 13 94% 76.02 0.0
28 03:15 NW 9 8.05 Fog/Mist OVC012 14 13 94% 76.05 0.0
28 02:55 NW 11 8.05 Fog/Mist OVC011 14 13 94% 76.05 0.0
28 02:35 NW 9 8.05 Fog/Mist OVC011 14 13 94% 76.05 0.0
28 02:15 NW 7 8.05 Fog/Mist OVC011 14 13 94% 76.02 0.0
28 01:55 NW 13 8.05 Fog/Mist OVC012 14 13 94% 76.02 0.0
28 01:35 NW 9 9.66 Overcast OVC012 0 0 0% 76.05 0.0
28 01:15 NW 11 9.66 Fog/Mist OVC013 14 13 94% 76.05 0.0
28 00:55 NW 13 8.05 Fog/Mist OVC013 14 13 94% 76.05 0.0
28 00:35 NW 15 8.05 Fog/Mist OVC014 14 13 94% 76.07 0.0
28 00:15 NW 13 9.66 Fog/Mist OVC014 14 13 94% 76.05 0.0
27 23:55 N 20 9.66 Fog/Mist OVC015 14 13 94% 76.05 0.0
27 23:35 NW 19 9.66 Fog/Mist OVC016 15 13 88% 76.05 0.0
27 23:15 NW 22 9.66 Fog/Mist OVC015 15 13 88% 76.05 0.0
27 22:55 NW 19 9.66 Fog/Mist OVC017 15 13 88% 76.05 0.0
27 22:35 NW 13 G 24 9.66 Fog/Mist OVC017 15 14 94% 76.07 0.0
27 22:15 NW 17 9.66 Overcast OVC018 0 0 0% 76.07 0.0
27 21:55 NW 17 9.66 Fog/Mist OVC018 15 13 88% 76.05 0.0
27 21:35 NW 19 9.66 Fog/Mist OVC017 15 13 88% 76.05 0.0
27 21:15 NW 13 8.05 Fog/Mist OVC018 14 13 94% 76.05 0.0
27 20:55 NW 17 9.66 Overcast OVC017 0 0 0% 76.05 0.0
27 20:35 NW 11 9.66 Fog/Mist OVC017 14 13 94% 76.05 0.0
27 20:15 NW 15 9.66 Fog/Mist OVC017 14 13 94% 76.05 0.0
27 19:55 NW 17 9.66 Fog/Mist OVC014 14 13 94% 76.02 0.0
27 19:35 NW 17 9.66 Fog/Mist BKN011 OVC016 14 13 94% 76.02 0.0
27 19:15 NW 13 9.66 Fog/Mist NULL 14 13 94% 76.02 0.0
27 18:55 NW 20 0.00 NULL NULL 14 13 94% 76.02 0.0
27 18:35 NW 20 G 30 6.44 Fog/Mist OVC014 15 13 88% 76.02 0.0
27 18:15 NW 17 8.05 Fog/Mist OVC016 15 13 88% 76 0.0
27 17:55 NW 20 8.05 Fog/Mist OVC017 15 13 88% 76 0.0
27 17:35 NW 17 8.05 Overcast with Haze OVC017 16 13 83% 76.02 0.0
27 17:15 NW 15 G 28 8.05 Haze NULL 16 13 83% 76.02 0.0
27 16:55 NW 19 0.00 NULL NULL 0 0 0% 76.02 0.0
27 16:35 NW 19 8.05 Fog/Mist OVC016 16 14 88% 76.02 0.0
27 16:15 NW 13 G 22 6.44 Overcast with Haze OVC016 16 14 88% 76.02 0.0
27 15:55 NW 17 8.05 Fog/Mist OVC016 16 14 88% 76.05 0.0
27 15:35 NW 19 8.05 Overcast with Haze OVC016 16 13 83% 76.05 0.0
27 15:15 NW 15 G 28 8.05 Overcast with Haze OVC016 16 13 83% 76.05 0.0
27 14:55 NW 19 8.05 Overcast with Haze OVC016 16 13 83% 76.05 0.0
27 14:35 NW 20 6.44 Overcast with Haze OVC017 16 14 88% 76.02 0.0
27 14:15 NW 17 8.05 Fog/Mist OVC017 16 14 88% 76.05 0.0
27 13:55 NW 19 8.05 Overcast with Haze OVC016 16 13 83% 76.05 0.0
27 13:35 NW 17 8.05 Overcast with Haze OVC016 16 13 83% 76.07 0.0
27 13:15 N 15 8.05 Fog/Mist OVC015 15 13 88% 76.07 0.0
27 12:55 NW 13 8.05 Fog/Mist OVC013 15 13 88% 76.1 0.0
27 12:35 N 13 8.05 Fog/Mist OVC014 15 13 88% 76.07 0.0
27 11:55 NW 17 6.44 Fog/Mist OVC013 15 13 88% 76.1 0.0
27 11:35 NW 15 8.05 Fog/Mist OVC013 15 13 88% 76.1 0.0
27 11:15 Vrbl 11 6.44 Fog/Mist OVC013 15 13 88% 76.1 0.0
27 10:55 NW 15 8.05 Fog/Mist OVC013 15 13 88% 76.07 0.0
27 10:15 NW 11 6.44 Fog/Mist OVC012 14 13 94% 76.05 0.0
27 09:55 Calm 6.44 Fog/Mist OVC011 14 13 94% 76.05 0.0
27 09:35 NW 15 6.44 Fog/Mist OVC011 14 14 100% 76.02 0.0
27 09:15 NW 11 6.44 Fog/Mist OVC013 14 14 100% 76.02 0.0
27 08:55 NW 13 6.44 Fog/Mist BKN014 15 14 94% 76 0.0
27 08:35 W 7 6.44 Mostly Cloudy BKN013 0 0 0% 76 0.0
27 08:15 NW 6 6.44 Fog/Mist OVC013 15 14 94% 76 0.0
27 07:55 NW 11 4.83 Fog/Mist OVC014 15 14 94% 76 0.0
27 07:35 NW 13 4.83 Fog/Mist OVC014 15 14 94% 76 0.0
27 07:15 NW 9 6.44 Fog/Mist OVC014 15 14 94% 75.97 0.0
27 06:55 NW 13 8.05 Fog/Mist OVC014 15 14 94% 75.97 0.0
27 06:35 NW 7 8.05 Fog/Mist OVC015 15 14 94% 75.97 0.0
27 06:15 NW 7 8.05 Fog/Mist OVC016 15 14 94% 75.95 0.0
27 05:55 Calm 8.05 Fog/Mist OVC014 15 14 94% 75.95 0.0
27 05:35 W 6 8.05 Fog/Mist OVC014 15 14 94% 75.95 0.0
27 05:15 NW 9 9.66 Fog/Mist OVC014 15 14 94% 75.95 0.0
27 04:55 NW 11 8.05 Fog/Mist OVC015 15 14 94% 75.95 0.0
27 04:35 NW 9 9.66 Fog/Mist OVC015 15 14 94% 75.95 0.0
27 04:15 NW 13 9.66 Fog/Mist OVC015 15 14 94% 75.95 0.0
27 03:55 NW 11 9.66 Fog/Mist OVC015 15 14 94% 75.97 0.0
27 03:35 N 13 9.66 Fog/Mist OVC014 15 13 88% 75.97 0.0
27 03:15 NW 9 9.66 Fog/Mist OVC015 15 13 88% 75.97 0.0
27 02:55 NW 11 9.66 Fog/Mist OVC014 15 14 94% 75.97 0.0
27 02:35 NW 9 9.66 Overcast OVC014 0 0 0% 75.97 0.0
27 02:15 NW 7 9.66 Fog/Mist OVC014 15 14 94% 76 0.0
27 01:55 Calm 9.66 Fog/Mist OVC014 15 14 94% 76 0.0
27 01:35 NW 7 9.66 Fog/Mist OVC014 15 13 88% 76 0.0
27 01:15 Calm 9.66 Fog/Mist OVC014 15 13 88% 76.02 0.0
27 00:55 Calm 9.66 Fog/Mist OVC014 15 13 88% 76.02 0.0
27 00:35 Calm 9.66 Fog/Mist OVC015 15 13 88% 76.02 0.0
27 00:15 Calm 9.66 Fog/Mist OVC015 15 14 94% 76.02 0.0
26 23:55 NW 7 9.66 Fog/Mist OVC015 15 14 94% 76.05 0.0
26 23:35 Calm 8.05 Fog/Mist OVC014 15 14 94% 76.05 0.0
26 23:15 N 9 9.66 Fog/Mist OVC014 15 14 94% 76.05 0.0
26 22:55 NW 11 9.66 Fog/Mist OVC014 15 14 94% 76.05 0.0
26 22:35 NW 11 9.66 Overcast OVC013 0 0 0% 76.05 0.0
26 22:15 NW 11 9.66 Fog/Mist OVC014 15 13 88% 76.05 0.0
26 21:55 NW 9 9.66 Fog/Mist OVC013 15 14 94% 76.05 0.0
26 21:35 NW 11 9.66 Fog/Mist OVC013 15 14 94% 76.05 0.0
26 21:15 N 9 9.66 Fog/Mist OVC012 15 14 94% 76.05 0.0
26 20:55 N 9 9.66 Fog/Mist OVC012 15 14 94% 76.02 0.0
26 20:35 NW 9 9.66 Fog/Mist OVC012 14 14 100% 76.02 0.0
26 20:15 N 6 9.66 Fog/Mist OVC011 14 14 100% 76.02 0.0
26 19:55 NW 7 9.66 Fog/Mist OVC010 14 14 100% 76.02 0.0
26 19:35 N 7 9.66 Fog/Mist OVC009 14 14 100% 76.02 0.0
26 19:15 N 6 9.66 Fog/Mist OVC008 14 14 100% 76 0.0
26 18:55 NW 6 8.05 Fog/Mist OVC007 14 14 100% 76 0.0
26 18:35 NW 7 6.44 Fog/Mist OVC006 14 14 100% 76 0.0
26 18:15 NW 11 6.44 Fog/Mist BKN008 BKN013 14 14 100% 76 0.0
26 17:55 NW 13 6.44 Fog/Mist BKN012 15 14 94% 76 0.0
26 17:35 W 9 8.05 Fog/Mist BKN013 16 14 88% 75.97 0.0
26 17:15 NW 9 8.05 Fog/Mist SCT013 15 14 94% 75.97 0.0
26 16:55 W 9 8.05 Mostly Cloudy BKN013 0 0 0% 75.97 0.0
26 16:35 W 11 8.05 Fog/Mist SCT013 16 14 88% 75.97 0.0
26 16:15 W 15 8.05 Partly Cloudy with Haze SCT013 16 14 88% 75.97 0.0
26 15:55 Calm 8.05 Mostly Cloudy BKN013 0 0 0% 0 0.0
26 15:35 W 11 8.05 Partly Cloudy with Haze SCT013 16 14 88% 76 0.0
26 15:15 W 15 8.05 Fair with Haze CLR 17 14 83% 76.02 0.0
26 14:55 W 11 8.05 Fair with Haze CLR 17 14 83% 76.02 0.0
26 14:35 SW 13 6.44 Fair with Haze CLR 17 14 83% 76.05 0.0
26 14:15 SW 13 8.05 Fair with Haze CLR 17 14 83% 76.05 0.0
26 13:55 W 13 8.05 Fair with Haze CLR 17 14 83% 76.07 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)