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.
22 17:55 NW 22 9.66 Fog/Mist OVC009 17 15 88% 76.25 0.0
22 17:35 NW 26 11.27 Mostly Cloudy BKN009 BKN013 17 15 88% 76.28 0.0
22 17:15 N 26 G 35 11.27 Mostly Cloudy BKN009 BKN013 17 16 94% 76.28 0.0
22 16:55 N 22 G 35 11.27 Mostly Cloudy BKN009 17 16 94% 76.28 0.0
22 16:35 N 26 11.27 Mostly Cloudy BKN008 17 16 94% 76.28 0.0
22 16:15 N 26 11.27 Mostly Cloudy BKN007 17 15 88% 76.3 0.0
22 15:55 NW 26 12.87 Mostly Cloudy BKN008 17 15 88% 76.33 0.0
22 15:35 NW 26 11.27 Mostly Cloudy BKN008 17 15 88% 76.33 0.0
22 15:15 NW 24 11.27 Partly Cloudy SCT008 17 15 88% 76.35 0.0
22 14:55 NW 19 G 28 11.27 Mostly Cloudy BKN008 0 0 0% 76.38 0.0
22 14:35 NW 24 11.27 Mostly Cloudy BKN007 17 15 88% 76.38 0.0
22 14:15 N 24 11.27 Mostly Cloudy BKN007 16 15 94% 76.38 0.0
22 13:55 N 20 G 31 11.27 Mostly Cloudy BKN007 0 0 0% 76.4 0.0
22 13:35 N 19 G 30 11.27 Mostly Cloudy BKN007 17 15 88% 76.4 0.0
22 13:15 N 24 11.27 Mostly Cloudy BKN007 17 15 88% 76.43 0.0
22 12:55 N 19 11.27 Mostly Cloudy BKN007 16 15 94% 76.43 0.0
22 12:35 NW 19 9.66 Fog/Mist BKN006 16 15 94% 76.43 0.0
22 12:15 NW 20 8.05 Fog/Mist BKN006 16 15 94% 76.45 0.0
22 11:55 NW 20 6.44 Fog/Mist BKN006 16 15 94% 76.45 0.0
22 11:35 NW 19 11.27 Mostly Cloudy BKN007 BKN013 16 15 94% 76.45 0.0
22 11:15 N 13 G 24 11.27 Mostly Cloudy BKN007 BKN013 16 15 94% 76.48 0.0
22 10:55 N 17 G 28 8.05 Overcast OVC006 0 0 0% 76.48 0.0
22 10:35 N 15 9.66 Fog/Mist BKN007 BKN013 15 15 100% 76.48 0.0
22 10:15 N 13 9.66 Fog/Mist BKN007 OVC013 15 15 100% 76.48 0.0
22 09:55 N 15 G 24 9.66 Fog/Mist OVC007 15 15 100% 76.48 0.0
22 09:35 NW 15 G 26 11.27 Overcast OVC007 15 15 100% 76.45 0.0
22 09:15 NW 17 8.05 Fog/Mist OVC007 15 15 100% 76.45 0.0
22 08:55 N 13 G 26 9.66 Fog/Mist OVC007 15 15 100% 76.45 0.0
22 08:35 NW 17 9.66 Fog/Mist OVC007 15 15 100% 76.45 0.0
22 08:15 N 15 G 26 9.66 Fog/Mist OVC006 15 15 100% 76.45 0.0
22 07:55 NW 13 8.05 Fog/Mist OVC006 15 15 100% 76.43 0.0
22 07:35 N 11 8.05 Fog/Mist OVC006 14 14 100% 76.43 0.0
22 07:15 N 13 9.66 Fog/Mist OVC006 14 14 100% 76.43 0.0
22 06:55 N 13 9.66 Fog/Mist OVC007 14 14 100% 76.4 0.0
22 06:35 N 11 12.87 Overcast OVC007 15 15 100% 76.38 0.0
22 06:15 NW 17 12.87 Overcast OVC008 15 15 100% 76.38 0.0
22 05:55 N 11 14.48 Overcast OVC010 15 15 100% 76.38 0.0
22 05:35 NW 15 12.87 Overcast OVC011 15 15 100% 76.35 0.0
22 05:15 N 19 12.87 Overcast OVC011 15 15 100% 76.35 0.0
22 04:55 NW 11 12.87 Overcast OVC011 15 15 100% 76.35 0.0
22 04:35 NW 13 12.87 Overcast OVC011 15 15 100% 76.35 0.0
22 04:15 NW 13 12.87 Overcast OVC012 15 15 100% 76.35 0.0
22 03:55 NW 7 11.27 Overcast OVC011 15 15 100% 76.35 0.0
22 03:35 N 9 11.27 Overcast OVC012 15 15 100% 76.35 0.0
22 03:15 N 9 11.27 Overcast OVC012 15 15 100% 76.35 0.0
22 02:55 NW 7 11.27 Overcast OVC012 15 15 100% 76.33 0.0
22 02:35 NW 9 11.27 Overcast OVC012 15 15 100% 76.35 0.0
22 02:15 NW 9 11.27 Overcast OVC012 15 15 100% 76.35 0.0
22 01:55 NW 11 11.27 Overcast OVC012 0 0 0% 76.35 0.0
22 01:35 NW 9 11.27 Overcast OVC013 15 15 100% 76.35 0.0
22 01:15 N 9 12.87 Overcast OVC012 0 0 0% 76.35 0.0
22 00:55 NW 9 12.87 Overcast OVC011 15 15 100% 76.38 0.0
22 00:35 Calm 11.27 Overcast OVC012 14 14 100% 76.38 0.0
21 23:55 Calm 12.87 Mostly Cloudy BKN014 14 14 100% 76.38 0.0
21 23:35 N 6 12.87 Partly Cloudy SCT016 14 14 100% 76.38 0.0
21 23:15 N 7 11.27 A Few Clouds FEW017 15 15 100% 76.38 0.0
21 22:55 NW 7 11.27 Fair CLR 15 15 100% 76.38 0.0
21 22:35 N 9 12.87 Fair CLR 15 15 100% 76.38 0.0
21 22:15 N 9 12.87 Fair CLR 15 15 100% 76.38 0.0
21 21:55 N 13 12.87 Partly Cloudy SCT012 15 15 100% 76.38 0.0
21 21:35 N 11 11.27 Mostly Cloudy BKN013 15 15 100% 76.38 0.0
21 21:15 NW 7 11.27 Partly Cloudy SCT013 15 15 100% 76.38 0.0
21 20:55 NW 9 12.87 Partly Cloudy SCT013 0 0 0% 76.35 0.0
21 20:35 NW 13 11.27 Fair CLR 15 15 100% 76.35 0.0
21 20:15 N 13 11.27 Fair CLR 15 15 100% 76.33 0.0
21 19:55 NW 11 11.27 Fair CLR 15 15 100% 76.33 0.0
21 19:35 NW 13 12.87 A Few Clouds FEW013 16 15 94% 76.3 0.0
21 19:15 NW 19 12.87 Mostly Cloudy BKN012 16 15 94% 76.33 0.0
21 18:55 NW 17 12.87 Mostly Cloudy BKN012 0 0 0% 76.33 0.0
21 18:35 NW 19 14.48 Mostly Cloudy BKN012 17 15 88% 76.33 0.0
21 18:15 NW 20 12.87 Overcast OVC012 17 16 94% 76.33 0.0
21 17:55 NW 20 12.87 Overcast OVC013 17 15 88% 76.33 0.0
21 17:35 NW 24 14.48 Overcast OVC012 17 15 88% 76.33 0.0
21 17:15 NW 22 14.48 Overcast SCT007 OVC011 17 15 88% 76.33 0.0
21 16:55 NW 20 12.87 Overcast OVC007 16 15 94% 76.33 0.0
21 16:35 NW 22 14.48 Mostly Cloudy BKN008 BKN012 0 0 0% 76.35 0.0
21 16:15 NW 22 14.48 Mostly Cloudy BKN010 17 15 88% 76.35 0.0
21 15:55 NW 20 G 33 14.48 Overcast OVC009 17 15 88% 76.35 0.0
21 15:35 NW 22 14.48 Overcast BKN009 OVC013 17 15 88% 76.35 0.0
21 15:15 NW 26 14.48 Mostly Cloudy SCT008 BKN013 17 15 88% 76.38 0.0
21 14:55 NW 22 14.48 Mostly Cloudy BKN008 17 15 88% 76.38 0.0
21 14:35 NW 22 G 31 14.48 Mostly Cloudy BKN007 17 15 88% 76.4 0.0
21 14:15 NW 26 12.87 Mostly Cloudy BKN007 BKN011 17 15 88% 76.4 0.0
21 13:55 NW 24 G 35 14.48 Mostly Cloudy BKN010 17 15 88% 76.4 0.0
21 13:35 NW 24 14.48 Mostly Cloudy BKN010 17 15 88% 76.4 0.0
21 13:15 NW 26 14.48 Mostly Cloudy BKN010 17 15 88% 76.4 0.0
21 12:55 NW 24 14.48 Mostly Cloudy BKN011 18 16 88% 76.4 0.0
21 12:35 NW 20 14.48 Mostly Cloudy BKN011 18 16 88% 76.4 0.0
21 12:15 NW 22 12.87 Mostly Cloudy BKN010 17 16 94% 76.4 0.0
21 11:55 N 15 G 26 14.48 Mostly Cloudy BKN009 17 16 94% 76.43 0.0
21 11:35 N 19 14.48 Mostly Cloudy BKN009 BKN012 17 16 94% 76.43 0.0
21 11:15 NW 20 14.48 Mostly Cloudy BKN009 BKN012 17 16 94% 76.43 0.0
21 10:55 N 15 11.27 Mostly Cloudy BKN007 BKN011 16 16 100% 76.4 0.0
21 10:35 N 15 12.87 Mostly Cloudy BKN007 BKN011 16 16 100% 76.43 0.0
21 10:15 NW 19 12.87 Mostly Cloudy BKN007 BKN011 16 16 100% 76.4 0.0
21 09:55 N 15 11.27 Mostly Cloudy BKN008 BKN012 0 0 0% 76.4 0.0
21 09:35 N 17 6.44 Fog/Mist BKN006 BKN013 15 15 100% 76.38 0.0
21 09:15 NW 15 4.02 Fog/Mist OVC006 15 15 100% 76.38 0.0
21 08:55 N 15 4.02 Fog/Mist OVC006 15 15 100% 76.38 0.0
21 08:35 N 15 G 24 8.05 Fog/Mist OVC006 14 14 100% 76.38 0.0
21 08:15 N 17 4.83 Fog/Mist OVC006 14 14 100% 76.38 0.0
21 07:55 N 13 8.05 Fog/Mist OVC005 14 14 100% 76.38 0.0
21 07:35 N 11 2.82 Fog/Mist OVC004 14 14 100% 76.38 0.0
21 07:15 N 13 3.22 Fog/Mist OVC004 14 14 100% 76.35 0.0
21 06:55 N 13 2.82 Fog/Mist OVC004 14 14 100% 76.33 0.0
21 06:35 N 9 4.83 Fog/Mist OVC004 14 14 100% 76.3 0.0
21 06:15 N 13 4.83 Fog/Mist OVC004 14 14 100% 76.3 0.0
21 05:55 NW 13 6.44 Fog/Mist OVC004 14 14 100% 76.3 0.0
21 05:35 NW 11 3.22 Fog/Mist OVC004 14 14 100% 76.3 0.0
21 05:15 NW 11 4.83 Fog/Mist OVC004 14 14 100% 76.3 0.0
21 04:55 NW 9 4.83 Fog/Mist OVC004 14 14 100% 76.3 0.0
21 04:35 N 9 4.02 Fog/Mist OVC004 14 14 100% 76.3 0.0
21 04:15 NW 7 4.83 Fog/Mist OVC004 14 14 100% 76.3 0.0
21 03:55 NW 9 4.83 Fog/Mist OVC004 14 14 100% 76.3 0.0
21 03:35 N 7 4.83 Fog/Mist OVC004 14 14 100% 76.3 0.0
21 03:15 N 11 4.83 Fog/Mist OVC004 14 14 100% 76.3 0.0
21 02:55 N 9 4.83 Fog/Mist OVC003 14 14 100% 76.3 0.0
21 02:35 N 7 4.02 Fog/Mist OVC004 14 14 100% 76.28 0.0
21 02:15 NW 13 4.02 Fog/Mist OVC003 14 14 100% 76.28 0.0
21 01:55 N 15 4.02 Fog/Mist OVC003 14 14 100% 76.28 0.0
21 01:35 NW 11 G 22 6.44 Overcast OVC004 0 0 0% 76.28 0.0
21 01:15 N 9 6.44 Fog/Mist OVC004 14 14 100% 76.3 0.0
21 00:55 N 7 8.05 Fog/Mist OVC004 14 14 100% 76.3 0.0
21 00:35 N 11 11.27 Overcast OVC004 14 14 100% 76.3 0.0
21 00:15 N 11 4.83 Fog/Mist OVC003 14 14 100% 76.3 0.0
20 23:55 NW 15 6.44 Fog/Mist OVC004 14 14 100% 76.28 0.0
20 23:35 NW 13 4.83 Fog/Mist OVC004 14 14 100% 76.28 0.0
20 23:15 NW 17 6.44 Fog/Mist OVC004 14 14 100% 76.28 0.0
20 22:55 N 9 4.83 Overcast OVC005 0 0 0% 76.3 0.0
20 22:35 NW 17 8.05 Fog/Mist OVC005 14 14 100% 76.3 0.0
20 22:15 NW 13 G 22 4.02 Fog/Mist OVC005 14 14 100% 76.3 0.0
20 21:55 NW 15 6.44 Fog/Mist OVC005 14 14 100% 76.3 0.0
20 21:35 N 11 8.05 Fog/Mist OVC005 14 14 100% 76.28 0.0
20 21:15 NW 15 8.05 Fog/Mist OVC005 14 14 100% 76.28 0.0
20 20:55 NW 11 9.66 Fog/Mist OVC005 14 14 100% 76.25 0.0
20 20:35 NW 13 4.83 Fog/Mist OVC005 14 14 100% 76.25 0.0
20 20:15 N 13 G 22 8.05 Fog/Mist OVC005 14 14 100% 76.25 0.0
20 19:55 N 13 4.83 Fog/Mist OVC005 0 0 0% 76.23 0.0
20 19:35 NW 17 6.44 Fog/Mist OVC005 15 15 100% 76.2 0.0
20 19:15 NW 17 8.05 Fog/Mist NULL 15 15 100% 76.2 0.0
20 18:55 Calm 0.00 NULL NULL 15 15 100% 0 0.0
20 18:35 N 17 8.05 Fog/Mist OVC006 15 15 100% 76.2 0.0
20 18:15 NW 22 8.05 Fog/Mist OVC006 15 15 100% 76.2 0.0
20 17:55 NW 17 9.66 Fog/Mist OVC006 15 15 100% 76.23 0.0
20 17:35 NW 19 11.27 Overcast OVC006 16 15 94% 76.23 0.0
20 17:15 N 22 12.87 Overcast OVC007 16 15 94% 76.23 0.0
20 16:55 NW 20 12.87 Mostly Cloudy BKN007 BKN011 16 15 94% 76.23 0.0
20 16:35 NW 17 14.48 Mostly Cloudy BKN007 16 15 94% 76.25 0.0
20 16:15 NW 19 14.48 Mostly Cloudy BKN008 16 15 94% 76.25 0.0
20 15:55 NW 20 12.87 Mostly Cloudy BKN009 BKN013 16 15 94% 76.25 0.0
20 15:35 NW 17 14.48 Mostly Cloudy BKN009 BKN013 17 15 88% 76.28 0.0
20 15:15 NW 20 12.87 Mostly Cloudy BKN007 BKN013 17 15 88% 76.28 0.0
20 14:55 NW 22 14.48 A Few Clouds FEW010 17 15 88% 76.28 0.0
20 14:35 NW 20 14.48 A Few Clouds FEW010 17 15 88% 76.28 0.0
20 14:15 NW 22 14.48 Partly Cloudy SCT009 SCT013 18 15 83% 76.28 0.0
20 13:55 N 20 11.27 Partly Cloudy SCT007 SCT012 17 15 88% 76.25 0.0
20 13:35 NW 20 14.48 A Few Clouds FEW011 FEW017 17 15 88% 76.28 0.0
20 13:15 NW 17 G 26 14.48 Partly Cloudy SCT012 SCT017 17 15 88% 76.28 0.0
20 12:55 NW 19 14.48 Mostly Cloudy BKN011 17 15 88% 76.28 0.0
20 12:35 NW 15 16.09 Mostly Cloudy BKN012 17 15 88% 76.3 0.0
20 12:15 NW 11 14.48 Partly Cloudy SCT009 SCT013 16 15 94% 76.33 0.0
20 11:55 NW 17 14.48 Mostly Cloudy SCT007 BKN011 16 15 94% 76.33 0.0
20 11:35 NW 15 12.87 Mostly Cloudy BKN007 BKN012 16 15 94% 76.35 0.0
20 11:15 NW 13 9.66 Fog/Mist BKN007 16 16 100% 76.33 0.0
20 10:55 N 9 8.05 Fog/Mist BKN007 15 15 100% 76.33 0.0
20 10:35 N 11 11.27 Overcast BKN006 OVC009 15 15 100% 76.33 0.0
20 10:15 NW 11 4.83 Fog/Mist OVC006 15 15 100% 76.3 0.0
20 09:55 N 11 9.66 Fog/Mist BKN007 15 15 100% 76.3 0.0
20 09:35 N 13 14.48 Mostly Cloudy BKN007 BKN010 15 15 100% 76.3 0.0
20 09:15 NW 15 2.82 Fog/Mist OVC006 15 15 100% 76.28 0.0
20 08:55 NW 7 G 19 11.27 Overcast OVC006 15 15 100% 76.28 0.0
20 08:35 N 11 4.83 Fog/Mist OVC006 14 14 100% 76.28 0.0
20 08:15 N 7 14.48 Overcast OVC006 14 14 100% 76.25 0.0
20 07:55 NW 9 14.48 Overcast OVC006 14 14 100% 76.25 0.0
20 07:35 Vrbl 7 14.48 Overcast OVC006 14 14 100% 76.23 0.0
20 07:15 Calm 6.44 Fog/Mist OVC005 14 14 100% 76.23 0.0
20 06:55 Calm 4.83 Fog/Mist OVC005 13 13 100% 76.2 0.0
20 06:35 Calm 4.02 Fog/Mist OVC005 13 13 100% 76.2 0.0
20 06:15 Calm 3.22 Fog/Mist OVC005 13 13 100% 76.17 0.0
20 05:55 Calm 4.02 Fog/Mist OVC005 13 13 100% 76.17 0.0
20 05:35 Calm 12.87 Overcast OVC006 13 13 100% 76.17 0.0
20 05:15 Calm 16.09 Overcast OVC005 12 12 100% 76.15 0.0
20 04:55 Calm 8.05 Fog/Mist BKN003 OVC008 12 12 100% 76.15 0.0
20 04:15 E 6 4.83 Fog/Mist OVC004 13 13 100% 76.15 0.0
20 03:55 E 7 0.80 Fog/Mist OVC003 13 13 100% 76.15 0.0
20 03:35 Calm 0.80 Fog OVC003 13 13 100% 76.15 0.0
20 03:15 Calm 0.80 Fog OVC003 13 13 100% 76.15 0.0
20 02:55 E 6 1.61 Fog/Mist OVC002 13 13 100% 76.15 0.0
20 02:35 E 6 4.83 Fog/Mist OVC003 13 13 100% 76.12 0.0
20 02:15 Calm 0.40 Fog OVC002 13 13 100% 76.15 0.0
20 01:55 Calm 0.40 Fog OVC002 0 0 0% 76.15 0.0
20 01:35 Calm 0.80 Fog/Mist OVC002 13 13 100% 76.12 0.0
20 01:15 Calm 2.01 Fog/Mist OVC003 13 13 100% 76.12 0.0
20 00:55 E 7 2.41 Overcast OVC003 0 0 0% 76.15 0.0
20 00:35 Calm 2.82 Fog/Mist OVC003 13 13 100% 76.12 0.0
19 23:55 Calm 8.05 Fog/Mist NULL 14 14 100% 76.12 0.0
19 23:35 Calm 0.00 NULL NULL 0 0 0% 76.12 0.0
19 23:15 Calm 2.82 Overcast OVC004 0 0 0% 76.12 0.0
19 22:55 Calm 2.41 Fog/Mist OVC003 14 14 100% 76.15 0.0
19 22:35 Calm 2.41 Fog/Mist OVC003 14 14 100% 76.15 0.0
19 22:15 Calm 3.22 Fog/Mist OVC004 14 14 100% 76.15 0.0
19 21:55 Calm 4.83 Fog/Mist OVC004 14 14 100% 76.15 0.0
19 21:35 Calm 6.44 Fog/Mist OVC004 14 14 100% 76.12 0.0
19 21:15 Calm 9.66 Fog/Mist OVC004 14 14 100% 76.12 0.0
19 20:55 Calm 6.44 Fog/Mist OVC004 14 14 100% 76.12 0.0
19 20:35 Calm 6.44 Fog/Mist OVC004 14 14 100% 76.1 0.0
19 20:15 Calm 9.66 Fog/Mist OVC004 14 14 100% 76.1 0.0
19 19:55 N 7 4.83 Fog/Mist OVC004 14 14 100% 76.1 0.0
19 19:35 NW 11 8.05 Fog/Mist OVC004 14 14 100% 76.1 0.0
19 19:15 NW 7 6.44 Fog/Mist OVC005 14 14 100% 76.1 0.0
19 18:35 NW 9 8.05 Fog/Mist OVC005 15 15 100% 76.1 0.0
19 18:15 NW 9 9.66 Fog/Mist OVC005 15 15 100% 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)