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.
08 09:35 Calm 6.44 Fog/Mist OVC005 14 14 100% 76.25 0.0
08 09:15 Calm 3.22 Fog/Mist OVC004 14 14 100% 76.25 0.0
08 08:55 Calm 4.02 Fog/Mist OVC004 14 14 100% 76.25 0.0
08 08:35 Calm 4.02 Fog/Mist OVC004 14 14 100% 76.25 0.0
08 08:15 Calm 4.83 Fog/Mist OVC004 14 14 100% 76.25 0.0
08 07:55 Calm 6.44 Fog/Mist OVC004 14 14 100% 76.25 0.0
08 07:35 Calm 2.82 Fog/Mist OVC004 14 14 100% 76.23 0.0
08 07:15 Calm 3.22 Fog/Mist OVC004 14 14 100% 76.23 0.0
08 06:55 NW 6 4.83 Fog/Mist OVC004 14 14 100% 76.2 0.0
08 06:35 Calm 4.02 Fog/Mist OVC004 14 14 100% 76.2 0.0
08 06:15 Calm 8.05 Fog/Mist OVC005 14 14 100% 76.2 0.0
08 05:55 W 7 4.83 Fog/Mist OVC005 14 14 100% 76.2 0.0
08 05:35 Calm 4.83 Fog/Mist OVC004 14 14 100% 76.17 0.0
08 05:15 Calm 4.02 Fog/Mist OVC004 14 14 100% 76.17 0.0
08 04:55 Calm 4.83 Fog/Mist OVC004 14 14 100% 76.17 0.0
08 04:35 Calm 4.83 Fog/Mist OVC004 14 14 100% 76.17 0.0
08 04:15 NW 7 4.02 Fog/Mist OVC004 14 14 100% 76.17 0.0
08 03:55 Calm 4.02 Fog/Mist OVC005 0 0 0% 0 0.0
08 03:35 Calm 4.02 Fog/Mist OVC004 14 14 100% 76.2 0.0
08 03:15 Calm 4.02 Fog/Mist OVC004 14 14 100% 76.23 0.0
08 02:55 Calm 4.83 Fog/Mist OVC004 14 14 100% 76.23 0.0
08 02:35 Calm 4.83 Fog/Mist OVC004 14 14 100% 76.23 0.0
08 02:15 NW 6 6.44 Fog/Mist OVC004 14 14 100% 76.23 0.0
08 01:55 NW 6 4.02 Fog/Mist OVC004 14 14 100% 76.25 0.0
08 01:35 NW 6 4.83 Fog/Mist OVC004 14 14 100% 76.25 0.0
08 01:15 NW 7 4.83 Fog/Mist OVC004 14 14 100% 76.25 0.0
08 00:55 Calm 4.02 Fog/Mist OVC003 14 14 100% 76.28 0.0
08 00:35 NW 7 4.02 Fog/Mist OVC003 14 14 100% 76.28 0.0
08 00:15 NW 7 4.83 Fog/Mist OVC003 14 14 100% 76.28 0.0
07 23:15 N 7 3.22 Fog/Mist OVC003 14 14 100% 76.25 0.0
07 22:55 NW 11 4.83 Fog/Mist OVC003 14 14 100% 76.25 0.0
07 22:35 NW 7 4.83 Fog/Mist OVC003 14 14 100% 76.25 0.0
07 22:15 NW 9 6.44 Fog/Mist OVC003 14 14 100% 76.25 0.0
07 21:55 N 7 8.05 Fog/Mist OVC004 14 14 100% 76.25 0.0
07 21:35 NW 7 8.05 Fog/Mist OVC004 14 14 100% 76.25 0.0
07 21:15 NW 6 6.44 Fog/Mist OVC004 14 14 100% 76.23 0.0
07 20:55 N 9 8.05 Fog/Mist OVC004 14 14 100% 76.23 0.0
07 20:35 NW 11 8.05 Fog/Mist OVC004 14 14 100% 76.23 0.0
07 20:15 NW 9 6.44 Fog/Mist OVC004 14 14 100% 76.23 0.0
07 19:55 NW 9 6.44 Fog/Mist NULL 14 14 100% 76.23 0.0
07 19:35 NW 11 0.00 NULL NULL 14 14 100% 76.23 0.0
07 19:15 Calm 8.05 Fog/Mist OVC004 0 0 0% 0 0.0
07 18:55 NW 11 8.05 Fog/Mist OVC005 15 15 100% 76.23 0.0
07 18:35 N 15 9.66 Fog/Mist OVC006 15 15 100% 76.23 0.0
07 18:15 NW 17 8.05 Fog/Mist OVC005 15 15 100% 76.25 0.0
07 17:55 NW 15 8.05 Fog/Mist OVC006 15 15 100% 76.25 0.0
07 17:35 N 15 9.66 Fog/Mist OVC006 16 15 94% 76.25 0.0
07 17:15 NW 20 12.87 Overcast OVC006 16 15 94% 76.25 0.0
07 16:55 NW 20 14.48 Mostly Cloudy BKN007 16 15 94% 76.23 0.0
07 16:35 NW 20 11.27 Mostly Cloudy BKN007 16 15 94% 76.23 0.0
07 16:15 N 17 G 28 14.48 Mostly Cloudy BKN007 16 15 94% 76.23 0.0
07 15:55 N 19 14.48 Mostly Cloudy BKN007 BKN010 16 15 94% 76.25 0.0
07 15:35 NW 20 14.48 Mostly Cloudy BKN009 16 15 94% 76.25 0.0
07 15:15 NW 20 14.48 Partly Cloudy SCT009 0 0 0% 76.28 0.0
07 14:55 NW 19 12.87 A Few Clouds FEW008 17 15 88% 76.3 0.0
07 14:35 N 15 14.48 Mostly Cloudy BKN006 BKN009 0 0 0% 76.3 0.0
07 14:15 NW 15 12.87 Mostly Cloudy BKN006 BKN010 16 15 94% 76.33 0.0
07 13:55 NW 20 14.48 Partly Cloudy SCT006 SCT010 17 15 88% 76.33 0.0
07 13:35 N 19 14.48 Partly Cloudy SCT006 SCT010 17 15 88% 76.33 0.0
07 13:15 NW 19 12.87 Partly Cloudy SCT006 SCT010 16 15 94% 76.33 0.0
07 12:55 NW 17 11.27 Mostly Cloudy BKN006 16 15 94% 76.33 0.0
07 12:35 W 11 11.27 Mostly Cloudy BKN006 BKN010 16 15 94% 76.38 0.0
07 12:15 NW 11 12.87 Mostly Cloudy BKN007 16 15 94% 76.38 0.0
07 11:55 NW 11 12.87 Mostly Cloudy BKN006 16 15 94% 76.35 0.0
07 11:35 NW 17 12.87 Overcast OVC006 0 0 0% 76.35 0.0
07 11:15 NW 13 12.87 Overcast OVC006 15 15 100% 76.33 0.0
07 10:55 NW 15 12.87 Overcast OVC006 15 15 100% 76.33 0.0
07 10:35 NW 11 11.27 Overcast OVC005 15 15 100% 76.35 0.0
07 10:15 NW 13 9.66 Fog/Mist OVC005 15 15 100% 76.33 0.0
07 09:55 N 13 11.27 Overcast OVC005 15 15 100% 76.33 0.0
07 09:35 N 11 11.27 Overcast OVC005 15 15 100% 76.33 0.0
07 09:15 NW 11 11.27 Overcast OVC005 14 14 100% 76.3 0.0
07 08:55 NW 9 9.66 Fog/Mist OVC004 14 14 100% 76.33 0.0
07 08:35 NW 9 4.83 Fog/Mist OVC003 14 14 100% 76.3 0.0
07 08:15 NW 7 6.44 Fog/Mist OVC004 14 14 100% 76.3 0.0
07 07:55 N 6 8.05 Fog/Mist OVC004 14 14 100% 76.3 0.0
07 07:35 N 9 9.66 Fog/Mist OVC004 14 14 100% 76.3 0.0
07 07:15 NW 7 8.05 Fog/Mist OVC004 14 14 100% 76.28 0.0
07 06:55 N 7 8.05 Fog/Mist OVC004 14 14 100% 76.28 0.0
07 06:35 NW 11 9.66 Fog/Mist OVC004 14 14 100% 76.25 0.0
07 06:15 NW 13 9.66 Fog/Mist OVC004 14 14 100% 76.23 0.0
07 05:55 N 7 11.27 Overcast OVC005 14 14 100% 76.23 0.0
07 05:35 N 9 11.27 Overcast OVC004 13 13 100% 76.23 0.0
07 05:15 N 13 9.66 Fog/Mist OVC004 14 14 100% 76.23 0.0
07 04:55 NW 13 9.66 Fog/Mist OVC004 14 14 100% 76.23 0.0
07 04:35 NW 15 12.87 Overcast OVC005 14 14 100% 76.2 0.0
07 04:15 NW 11 9.66 Fog/Mist OVC004 14 14 100% 76.23 0.0
07 03:55 NW 11 8.05 Fog/Mist OVC003 14 14 100% 76.23 0.0
07 03:35 N 11 8.05 Fog/Mist OVC003 14 14 100% 76.23 0.0
07 03:15 NW 9 6.44 Fog/Mist OVC003 14 14 100% 76.23 0.0
07 02:55 Vrbl 6 9.66 Fog/Mist OVC003 14 14 100% 76.23 0.0
07 02:15 Calm 6.44 Fog/Mist OVC003 14 14 100% 76.23 0.0
07 01:55 NW 7 6.44 Fog/Mist OVC004 14 14 100% 76.23 0.0
07 01:35 Calm 6.44 Fog/Mist OVC003 14 14 100% 76.23 0.0
07 01:15 Vrbl 6 4.83 Fog/Mist OVC003 14 14 100% 76.23 0.0
07 00:55 Calm 4.83 Fog/Mist OVC003 14 14 100% 76.23 0.0
07 00:35 Calm 2.82 Fog/Mist OVC003 14 14 100% 76.23 0.0
07 00:15 Calm 3.22 Fog/Mist OVC003 13 13 100% 76.2 0.0
06 23:55 Calm 4.02 Fog/Mist OVC003 13 13 100% 76.2 0.0
06 23:35 N 11 4.02 Fog/Mist OVC003 13 13 100% 76.2 0.0
06 23:15 NW 15 14.48 Overcast OVC004 13 13 100% 76.2 0.0
06 22:55 NW 13 14.48 Overcast OVC005 14 14 100% 76.2 0.0
06 22:35 NW 17 14.48 Overcast OVC007 14 14 100% 76.2 0.0
06 22:15 NW 13 14.48 Overcast OVC008 14 14 100% 76.2 0.0
06 21:55 N 11 12.87 Overcast OVC009 14 14 100% 76.2 0.0
06 21:35 N 11 12.87 Overcast OVC009 15 14 94% 76.17 0.0
06 21:15 N 13 14.48 Overcast OVC010 15 14 94% 76.17 0.0
06 20:55 NW 13 14.48 Overcast OVC010 15 14 94% 76.15 0.0
06 20:35 NW 9 12.87 Overcast OVC011 15 15 100% 76.15 0.0
06 20:15 NW 11 12.87 Overcast OVC011 15 15 100% 76.15 0.0
06 19:55 NW 13 12.87 Overcast OVC011 16 15 94% 76.15 0.0
06 19:35 NW 11 11.27 Overcast OVC011 16 15 94% 76.15 0.0
06 19:15 NW 11 12.87 Overcast OVC011 16 15 94% 76.12 0.0
06 18:55 NW 13 9.66 Fog/Mist OVC012 16 15 94% 76.12 0.0
06 18:35 NW 13 11.27 Overcast OVC013 16 15 94% 76.12 0.0
06 18:15 NW 11 9.66 Fog/Mist OVC015 16 15 94% 76.12 0.0
06 17:55 NW 11 14.48 Overcast OVC015 17 15 88% 76.15 0.0
06 17:35 W 9 11.27 Overcast OVC015 17 15 88% 76.15 0.0
06 17:15 NW 11 11.27 Overcast OVC015 17 15 88% 76.15 0.0
06 16:55 Vrbl 7 11.27 Mostly Cloudy BKN016 17 15 88% 76.15 0.0
06 16:35 W 11 12.87 Mostly Cloudy BKN015 18 15 83% 76.17 0.0
06 16:15 SW 13 12.87 Mostly Cloudy BKN015 18 15 83% 76.17 0.0
06 15:55 Vrbl 11 12.87 Mostly Cloudy BKN014 18 15 83% 76.17 0.0
06 15:35 SW 11 14.48 Overcast OVC013 18 15 83% 76.17 0.0
06 15:15 Vrbl 9 12.87 Overcast OVC013 0 0 0% 76.2 0.0
06 14:55 SW 9 G 19 11.27 Mostly Cloudy BKN015 18 15 83% 76.2 0.0
06 14:35 SW 13 11.27 Mostly Cloudy BKN016 18 15 83% 76.23 0.0
06 14:15 SW 15 11.27 Mostly Cloudy BKN014 18 15 83% 76.23 0.0
06 13:55 SW 11 12.87 Mostly Cloudy BKN014 18 15 83% 76.23 0.0
06 13:35 SW 13 11.27 Overcast OVC014 18 15 83% 76.23 0.0
06 13:15 W 15 11.27 Overcast OVC014 18 15 83% 76.23 0.0
06 12:55 SW 13 11.27 Overcast OVC013 18 15 83% 76.23 0.0
06 12:35 SW 11 11.27 Overcast OVC013 17 15 88% 76.2 0.0
06 12:15 SW 13 11.27 Overcast OVC013 17 15 88% 76.23 0.0
06 11:55 SW 13 11.27 Overcast OVC013 17 15 88% 76.2 0.0
06 11:35 SW 13 11.27 Overcast OVC013 17 15 88% 76.2 0.0
06 11:15 W 13 11.27 Overcast OVC013 16 15 94% 76.2 0.0
06 10:55 Vrbl 11 11.27 Overcast OVC013 17 15 88% 76.2 0.0
06 10:35 Vrbl 6 11.27 Overcast OVC013 17 15 88% 76.2 0.0
06 10:15 SW 9 11.27 Overcast OVC012 16 15 94% 76.17 0.0
06 09:55 Calm 11.27 Overcast OVC012 16 15 94% 76.17 0.0
06 09:35 Calm 11.27 Overcast OVC011 15 15 100% 76.17 0.0
06 09:15 Vrbl 9 9.66 Fog/Mist OVC010 16 15 94% 76.17 0.0
06 08:55 SE 6 11.27 Overcast OVC010 15 15 100% 76.17 0.0
06 08:35 Calm 9.66 Fog/Mist OVC010 15 15 100% 76.17 0.0
06 08:15 Calm 11.27 Overcast OVC010 0 0 0% 76.15 0.0
06 07:55 Calm 11.27 Overcast OVC009 15 15 100% 76.15 0.0
06 07:35 Calm 11.27 Overcast OVC009 15 15 100% 76.15 0.0
06 07:15 S 9 11.27 Overcast OVC009 15 15 100% 76.15 0.0
06 06:55 SE 6 11.27 Overcast OVC009 15 15 100% 76.12 0.0
06 06:35 SE 7 12.87 Overcast OVC009 15 15 100% 76.1 0.0
06 06:15 SE 6 12.87 Overcast OVC009 15 15 100% 76.1 0.0
06 05:55 Calm 12.87 Overcast OVC009 15 15 100% 76.1 0.0
06 05:35 Calm 12.87 Overcast OVC009 15 15 100% 76.07 0.0
06 05:15 SW 6 12.87 Overcast OVC009 15 15 100% 76.07 0.0
06 04:55 S 6 14.48 Overcast OVC009 15 15 100% 76.07 0.0
06 04:35 Calm 12.87 Overcast OVC009 15 15 100% 76.05 0.0
06 04:15 SE 7 12.87 Overcast OVC009 15 15 100% 76.05 0.0
06 03:55 S 6 12.87 Overcast OVC009 15 15 100% 76.05 0.0
06 03:35 SE 9 14.48 Overcast OVC010 15 15 100% 76.05 0.0
06 03:15 S 11 12.87 Overcast OVC010 15 15 100% 76.05 0.0
06 02:55 Calm 12.87 Overcast OVC010 15 15 100% 76.05 0.0
06 02:35 S 7 12.87 Overcast OVC010 15 15 100% 76.05 0.0
06 02:15 Calm 14.48 Overcast OVC010 15 15 100% 76.05 0.0
06 01:55 S 7 12.87 Overcast OVC010 15 15 100% 76.07 0.0
06 01:35 SE 9 14.48 Overcast OVC010 15 15 100% 76.07 0.0
06 01:15 Calm 12.87 NULL NULL 15 15 100% 76.1 0.0
06 00:55 Vrbl 7 12.87 NULL NULL 0 0 0% 76.1 0.0
06 00:35 SE 9 12.87 Overcast OVC009 15 15 100% 76.1 0.0
06 00:15 S 11 12.87 Overcast OVC010 16 15 94% 76.1 0.0
05 23:55 Vrbl 6 11.27 Overcast OVC009 16 15 94% 76.1 0.0
05 23:35 S 6 12.87 Overcast OVC010 16 15 94% 76.1 0.0
05 23:15 S 9 12.87 Overcast OVC010 16 15 94% 76.1 0.0
05 22:55 S 13 12.87 Overcast OVC010 16 15 94% 76.1 0.0
05 22:35 S 9 12.87 Overcast OVC011 16 15 94% 76.12 0.0
05 22:15 S 9 12.87 Overcast OVC011 16 15 94% 76.1 0.0
05 21:55 S 13 11.27 Overcast OVC010 16 15 94% 76.07 0.0
05 21:35 S 15 12.87 Overcast OVC011 16 15 94% 76.07 0.0
05 21:15 SE 11 12.87 Overcast OVC011 16 15 94% 76.05 0.0
05 20:55 S 13 12.87 Overcast OVC011 16 15 94% 76.05 0.0
05 20:35 S 17 12.87 Overcast OVC011 16 15 94% 76.05 0.0
05 20:15 S 17 11.27 Overcast OVC011 16 15 94% 76.02 0.0
05 19:55 S 15 12.87 Overcast OVC011 0 0 0% 76.02 0.0
05 19:35 S 13 12.87 Overcast OVC011 16 15 94% 76.02 0.0
05 19:15 S 9 11.27 Overcast OVC011 16 15 94% 76.02 0.0
05 18:55 S 11 11.27 Overcast OVC012 16 15 94% 76.02 0.0
05 18:35 S 13 12.87 Overcast OVC012 16 15 94% 76.02 0.0
05 18:15 S 11 11.27 Overcast OVC012 17 15 88% 76.02 0.0
05 17:55 S 11 11.27 Overcast OVC012 17 15 88% 76.02 0.0
05 17:35 S 11 G 20 11.27 Overcast OVC013 17 15 88% 76.02 0.0
05 17:15 SW 9 11.27 Overcast OVC013 17 15 88% 76.02 0.0
05 16:55 S 13 11.27 Mostly Cloudy BKN013 17 15 88% 76.02 0.0
05 16:35 Vrbl 11 G 20 11.27 A Few Clouds FEW013 18 15 83% 76.02 0.0
05 16:15 Vrbl 11 G 20 11.27 Fair CLR 18 15 83% 76.02 0.0
05 15:55 SW 13 12.87 A Few Clouds FEW013 18 15 83% 76.02 0.0
05 15:35 Vrbl 9 11.27 Mostly Cloudy BKN013 18 15 83% 76.02 0.0
05 15:15 S 15 11.27 Mostly Cloudy BKN014 18 15 83% 76.05 0.0
05 14:55 S 13 8.05 Mostly Cloudy with Haze BKN014 18 14 78% 76.05 0.0
05 14:35 S 13 11.27 Mostly Cloudy BKN014 18 15 83% 76.07 0.0
05 14:15 S 15 9.66 Overcast with Haze OVC014 18 15 83% 76.1 0.0
05 13:55 S 17 11.27 Overcast OVC014 18 15 83% 76.1 0.0
05 13:35 S 15 11.27 Mostly Cloudy BKN014 18 15 83% 76.1 0.0
05 13:15 S 15 11.27 Mostly Cloudy BKN014 0 0 0% 76.12 0.0
05 12:55 S 17 11.27 Mostly Cloudy BKN014 18 14 78% 76.1 0.0
05 12:35 S 15 11.27 Mostly Cloudy BKN014 17 14 83% 76.1 0.0
05 12:15 S 19 11.27 Mostly Cloudy BKN013 17 14 83% 76.1 0.0
05 11:55 S 19 11.27 Overcast OVC013 17 14 83% 76.1 0.0
05 11:35 S 17 11.27 Overcast OVC013 17 14 83% 76.12 0.0
05 11:15 Calm 11.27 Overcast OVC013 16 14 88% 76.12 0.0
05 10:55 S 15 9.66 Fog/Mist OVC013 16 14 88% 76.12 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)