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 16:35 NW 6 6.44 Fog/Mist BKN009 15 14 94% 76.12 0.0
22 16:15 NW 9 8.05 Fog/Mist SCT009 15 14 94% 76.12 0.0
22 15:55 NW 11 4.83 Fog/Mist BKN007 14 14 100% 76.15 0.0
22 15:35 NW 7 3.22 Fog/Mist BKN007 14 14 100% 76.15 0.0
22 15:15 W 7 2.41 Mostly Cloudy BKN007 BKN011 0 0 0% 76.15 0.0
22 14:55 W 9 6.44 Fog/Mist SCT007 BKN011 15 14 94% 76.17 0.0
22 14:35 W 11 4.02 Fog/Mist BKN007 14 14 100% 76.17 0.0
22 14:15 Vrbl 6 6.44 Fog/Mist BKN008 15 14 94% 76.2 0.0
22 13:55 Calm 4.83 Fog/Mist SCT008 14 14 100% 76.2 0.0
22 13:35 W 7 4.83 Fog/Mist FEW008 FEW012 14 14 100% 76.2 0.0
22 13:15 W 11 6.44 Fog/Mist FEW007 SCT012 15 14 94% 76.23 0.0
22 12:55 W 9 4.02 Fog/Mist SCT007 14 14 100% 76.23 0.0
22 12:35 W 11 3.22 Fog/Mist SCT006 14 14 100% 76.23 0.0
22 12:15 W 6 2.41 Fog/Mist SCT007 SCT013 14 14 100% 76.23 0.0
22 11:55 Calm 2.82 Fog/Mist SCT008 14 14 100% 76.25 0.0
22 11:35 W 6 2.82 Fog/Mist SCT007 14 14 100% 76.25 0.0
22 11:15 W 9 3.22 Fog/Mist SCT007 BKN013 14 14 100% 76.25 0.0
22 10:55 Calm 4.83 Fog/Mist FEW007 SCT013 14 14 100% 76.23 0.0
22 10:35 W 9 4.83 Partly Cloudy SCT007 SCT013 0 0 0% 76.23 0.0
22 10:15 Calm 3.22 Fog/Mist SCT008 SCT012 14 14 100% 76.23 0.0
22 09:55 NW 6 8.05 Fog/Mist SCT008 SCT012 14 14 100% 76.23 0.0
22 09:35 Vrbl 6 4.83 Fog/Mist BKN008 14 14 100% 76.2 0.0
22 09:15 Calm 4.02 Fog/Mist BKN009 BKN013 14 14 100% 76.2 0.0
22 08:55 Calm 4.02 Fog/Mist FEW007 FEW013 14 14 100% 76.2 0.0
22 08:35 Calm 2.41 Overcast OVC007 0 0 0% 76.17 0.0
22 08:15 NW 6 3.22 Fog/Mist BKN009 OVC015 14 14 100% 76.2 0.0
22 07:55 NW 11 8.05 Fog/Mist FEW010 OVC015 14 14 100% 76.17 0.0
22 07:35 NW 9 9.66 Fog/Mist OVC014 14 14 100% 76.15 0.0
22 07:15 NW 9 11.27 Overcast OVC012 14 14 100% 76.15 0.0
22 06:55 NW 9 11.27 Overcast OVC009 14 14 100% 76.12 0.0
22 06:35 Calm 9.66 Fog/Mist OVC007 14 14 100% 76.12 0.0
22 06:15 S 9 11.27 Overcast OVC007 14 14 100% 76.12 0.0
22 05:55 SE 9 9.66 Fog/Mist BKN008 OVC012 14 14 100% 76.1 0.0
22 05:35 S 9 9.66 Fog/Mist OVC012 14 14 100% 76.1 0.0
22 05:15 SE 6 11.27 Overcast OVC012 14 14 100% 76.1 0.0
22 04:55 SE 9 9.66 Fog/Mist OVC010 14 14 100% 76.1 0.0
22 04:35 SE 7 11.27 Overcast OVC009 14 14 100% 76.1 0.0
22 04:15 Calm 12.87 Overcast OVC010 14 14 100% 76.1 0.0
22 03:15 SW 6 12.87 Overcast OVC011 14 14 100% 76.07 0.0
22 02:55 S 7 14.48 Overcast OVC009 14 14 100% 76.07 0.0
22 02:35 Calm 14.48 Overcast OVC009 14 14 100% 76.1 0.0
22 02:15 SW 7 12.87 Overcast OVC008 14 14 100% 76.1 0.0
22 01:55 S 11 11.27 Overcast OVC008 14 14 100% 76.07 0.0
22 01:35 Calm 11.27 Overcast OVC008 14 14 100% 76.1 0.0
22 01:15 Calm 9.66 Fog/Mist OVC008 14 14 100% 76.12 0.0
22 00:55 SW 6 9.66 Fog/Mist OVC009 14 14 100% 76.12 0.0
22 00:35 W 13 11.27 Overcast OVC010 14 14 100% 76.12 0.0
22 00:15 W 11 12.87 Overcast OVC010 14 14 100% 76.12 0.0
21 23:55 W 9 8.05 Fog/Mist OVC009 14 14 100% 76.12 0.0
21 23:35 Calm 4.02 Fog/Mist OVC007 14 14 100% 76.12 0.0
21 23:15 S 7 9.66 Fog/Mist OVC006 14 14 100% 76.15 0.0
21 22:55 S 7 6.44 Fog/Mist OVC006 14 14 100% 76.15 0.0
21 22:35 Calm 6.44 Fog/Mist OVC007 14 14 100% 76.15 0.0
21 22:15 Calm 9.66 Fog/Mist OVC009 14 14 100% 76.15 0.0
21 21:55 SE 9 11.27 Overcast OVC010 14 14 100% 76.15 0.0
21 21:35 SE 7 8.05 Fog/Mist OVC011 14 14 100% 76.15 0.0
21 21:15 S 11 8.05 Fog/Mist OVC012 14 14 100% 76.15 0.0
21 20:55 S 7 6.44 Fog/Mist FEW009 OVC014 14 14 100% 76.12 0.0
21 20:35 S 7 6.44 Fog/Mist FEW005 FEW010 OVC014 14 14 100% 76.12 0.0
21 20:15 S 7 4.83 Fog/Mist BKN006 OVC013 14 14 100% 76.12 0.0
21 19:55 S 7 4.02 Fog/Mist BKN007 OVC012 14 14 100% 76.15 0.0
21 19:35 S 9 6.44 Fog/Mist FEW006 OVC012 14 14 100% 76.12 0.0
21 19:15 S 7 3.22 Fog/Mist OVC013 14 14 100% 76.12 0.0
21 18:55 S 9 4.83 Fog/Mist SCT004 BKN014 14 14 100% 76.12 0.0
21 18:35 S 11 2.82 Fog/Mist OVC004 14 14 100% 76.1 0.0
21 18:15 S 9 1.21 Fog/Mist OVC005 14 14 100% 76.1 0.0
21 17:55 S 11 1.61 Fog/Mist BKN005 OVC014 15 15 100% 76.1 0.0
21 17:35 Vrbl 6 2.41 Fog/Mist BKN005 OVC016 15 15 100% 76.1 0.0
21 17:15 SW 9 3.22 Fog/Mist SCT006 BKN017 15 15 100% 76.1 0.0
21 16:55 SW 7 4.02 Fog/Mist SCT004 SCT007 BKN017 15 15 100% 76.1 0.0
21 16:35 Vrbl 7 2.82 Fog/Mist BKN004 BKN007 OVC016 15 15 100% 76.12 0.0
21 16:15 SW 9 3.22 Fog/Mist SCT005 BKN016 15 15 100% 76.12 0.0
21 15:55 SW 7 2.01 Fog/Mist BKN005 OVC016 15 15 100% 76.12 0.0
21 15:35 S 9 4.02 Fog/Mist FEW005 BKN017 15 15 100% 76.12 0.0
21 15:15 S 7 1.61 Fog/Mist BKN005 BKN014 15 15 100% 76.12 0.0
21 14:55 S 11 G 20 2.41 Overcast BKN005 OVC016 0 0 0% 76.12 0.0
21 14:35 S 13 4.83 Fog/Mist SCT006 BKN017 16 16 100% 76.12 0.0
21 14:15 S 11 2.41 Fog/Mist BKN006 BKN015 15 15 100% 76.12 0.0
21 13:55 S 11 3.22 Fog/Mist FEW006 BKN014 15 15 100% 76.15 0.0
21 13:35 S 13 4.83 Fog/Mist BKN016 15 15 100% 76.15 0.0
21 13:15 S 13 4.02 Fog/Mist BKN016 15 15 100% 76.15 0.0
21 12:55 S 11 3.22 Fog/Mist FEW006 BKN015 15 15 100% 76.15 0.0
21 12:35 S 11 4.83 Fog/Mist FEW006 BKN015 15 15 100% 76.15 0.0
21 12:15 S 13 3.22 Fog/Mist BKN005 BKN014 15 15 100% 76.17 0.0
21 11:55 S 15 4.02 Fog/Mist BKN005 BKN014 15 15 100% 76.17 0.0
21 11:35 S 11 4.83 Fog/Mist SCT006 BKN014 15 15 100% 76.17 0.0
21 11:15 S 7 2.41 Fog/Mist SCT005 SCT009 BKN013 15 15 100% 76.17 0.0
21 10:55 SW 9 3.22 Mostly Cloudy FEW005 FEW009 BKN014 0 0 0% 76.17 0.0
21 09:55 Calm 4.02 Fog/Mist BKN013 14 14 100% 76.17 0.0
21 09:35 Calm 4.83 Fog/Mist BKN013 14 14 100% 76.15 0.0
21 09:15 Calm 4.83 Fog/Mist BKN013 14 14 100% 76.15 0.0
21 08:55 W 6 9.66 Fog/Mist BKN013 14 14 100% 76.15 0.0
21 08:35 Calm 4.83 Fog/Mist FEW006 BKN013 14 14 100% 76.15 0.0
21 08:15 Calm 3.22 Fog/Mist BKN013 14 14 100% 76.15 0.0
21 07:55 Calm 4.83 Fog/Mist BKN013 14 14 100% 76.12 0.0
21 07:35 Calm 4.02 Fog/Mist BKN013 14 14 100% 76.12 0.0
21 07:15 Calm 6.44 Fog/Mist BKN013 14 14 100% 76.12 0.0
21 06:55 Calm 4.83 Fog/Mist OVC013 14 14 100% 76.1 0.0
21 06:35 Calm 4.83 Fog/Mist FEW008 BKN013 14 14 100% 76.1 0.0
21 06:15 NW 9 4.83 Fog/Mist FEW007 OVC013 14 14 100% 76.1 0.0
21 05:55 NW 7 6.44 Fog/Mist BKN013 14 14 100% 76.07 0.0
21 05:35 NW 9 4.83 Fog/Mist FEW006 BKN012 14 14 100% 76.07 0.0
21 05:15 Calm 4.02 Fog/Mist FEW006 BKN013 14 14 100% 76.07 0.0
21 04:55 Calm 4.83 Fog/Mist FEW007 OVC012 14 14 100% 76.07 0.0
21 04:35 Calm 4.83 Fog/Mist SCT005 OVC012 14 14 100% 76.05 0.0
21 04:15 S 6 2.41 Fog/Mist BKN005 OVC011 14 14 100% 76.05 0.0
21 03:55 S 6 4.02 Fog/Mist SCT004 OVC011 14 14 100% 76.07 0.0
21 03:35 Calm 4.02 Fog/Mist FEW003 OVC011 14 14 100% 76.07 0.0
21 03:15 Calm 6.44 Fog/Mist OVC013 14 14 100% 76.07 0.0
21 02:55 Calm 6.44 Fog/Mist OVC013 14 14 100% 76.07 0.0
21 02:35 Calm 4.83 Fog/Mist SCT007 BKN013 14 14 100% 76.07 0.0
21 02:15 Calm 4.83 Fog/Mist SCT008 BKN013 14 14 100% 76.1 0.0
21 01:55 Calm 4.83 Fog/Mist SCT008 BKN013 14 14 100% 76.1 0.0
21 01:35 Calm 4.02 Fog/Mist BKN007 OVC011 14 14 100% 76.12 0.0
21 01:15 Calm 4.83 Fog/Mist SCT006 OVC011 14 14 100% 76.12 0.0
21 00:55 Calm 4.02 Fog/Mist OVC008 14 14 100% 76.12 0.0
21 00:35 Calm 4.83 Fog/Mist OVC009 14 14 100% 76.12 0.0
21 00:15 NW 7 8.05 Fog/Mist OVC009 14 14 100% 76.12 0.0
20 23:55 Calm 8.05 Fog/Mist OVC009 14 14 100% 76.12 0.0
20 23:35 Calm 8.05 Fog/Mist OVC009 14 14 100% 76.12 0.0
20 23:15 Calm 6.44 Fog/Mist OVC009 14 14 100% 76.12 0.0
20 22:55 S 6 4.83 Fog/Mist OVC009 14 14 100% 76.12 0.0
20 22:35 Calm 6.44 Fog/Mist OVC009 14 14 100% 76.15 0.0
20 22:15 SW 7 9.66 Fog/Mist OVC009 14 14 100% 76.15 0.0
20 21:55 Calm 8.05 Fog/Mist OVC008 14 14 100% 76.12 0.0
20 21:35 NW 6 8.05 Fog/Mist OVC009 14 14 100% 76.12 0.0
20 21:15 Calm 8.05 Fog/Mist OVC009 14 14 100% 76.1 0.0
20 20:55 W 7 8.05 Fog/Mist OVC010 14 14 100% 76.1 0.0
20 20:35 Calm 8.05 Fog/Mist OVC009 14 14 100% 76.1 0.0
20 20:15 Calm 6.44 Fog/Mist OVC009 14 14 100% 76.07 0.0
20 19:55 Calm 6.44 Fog/Mist OVC008 14 14 100% 76.07 0.0
20 19:35 Calm 8.05 Fog/Mist OVC008 14 14 100% 76.07 0.0
20 19:15 Calm 9.66 Fog/Mist OVC008 14 14 100% 76.07 0.0
20 18:55 W 7 9.66 Fog/Mist OVC008 14 14 100% 76.07 0.0
20 18:35 NW 11 9.66 Fog/Mist OVC008 14 14 100% 76.07 0.0
20 18:15 W 9 6.44 Overcast OVC008 0 0 0% 76.07 0.0
20 17:55 SW 6 8.05 Fog/Mist OVC008 14 14 100% 76.1 0.0
20 17:35 NW 9 6.44 Fog/Mist OVC008 14 14 100% 76.07 0.0
20 17:15 NW 9 G 19 9.66 Fog/Mist OVC009 14 14 100% 76.05 0.0
20 16:55 N 7 8.05 Fog/Mist BKN009 OVC013 15 14 94% 76.05 0.0
20 16:35 NW 11 9.66 Fog/Mist BKN009 BKN013 15 14 94% 76.05 0.0
20 16:15 N 15 9.66 Fog/Mist SCT010 15 15 100% 76.02 0.0
20 15:55 NW 15 6.44 Fog/Mist SCT009 SCT013 15 14 94% 76.05 0.0
20 15:35 NW 11 9.66 Fog/Mist BKN012 15 15 100% 76.1 0.0
20 15:15 NW 13 9.66 Fog/Mist BKN013 15 15 100% 76.07 0.0
20 14:55 N 9 9.66 Fog/Mist BKN012 15 15 100% 76.12 0.0
20 14:35 NW 11 4.83 Partly Cloudy FEW007 SCT013 0 0 0% 76.12 0.0
20 14:15 Vrbl 7 4.02 Fog/Mist FEW007 BKN013 15 15 100% 76.15 0.0
20 13:55 NW 6 3.22 Fog/Mist SCT007 BKN013 15 15 100% 76.17 0.0
20 13:35 W 7 4.83 Fog/Mist BKN007 BKN013 15 15 100% 76.17 0.0
20 13:15 NW 9 4.83 Mostly Cloudy SCT007 BKN013 0 0 0% 76.15 0.0
20 12:55 Calm 4.83 Fog/Mist SCT006 SCT013 15 15 100% 76.17 0.0
20 12:35 W 9 2.41 Fog/Mist SCT005 BKN013 14 14 100% 76.17 0.0
20 12:15 Vrbl 6 4.83 Fog/Mist SCT008 BKN013 14 14 100% 76.23 0.0
20 11:55 Calm 3.22 Fog/Mist BKN008 BKN012 14 14 100% 76.23 0.0
20 11:35 NW 11 8.05 Partly Cloudy SCT012 0 0 0% 76.2 0.0
20 11:15 W 7 2.01 Fog/Mist BKN005 14 14 100% 76.2 0.0
20 10:55 W 9 2.82 Fog/Mist OVC006 14 14 100% 76.17 0.0
20 10:35 NW 7 4.83 Fog/Mist BKN007 14 14 100% 76.17 0.0
20 10:15 NW 6 4.83 Fog/Mist BKN008 14 14 100% 76.17 0.0
20 09:55 NW 7 4.83 Fog/Mist OVC008 14 14 100% 76.17 0.0
20 09:35 NW 7 3.22 Fog/Mist OVC007 14 14 100% 76.2 0.0
20 09:15 NW 7 3.22 Fog/Mist OVC006 14 14 100% 76.2 0.0
20 08:55 NW 7 2.82 Fog/Mist OVC006 14 14 100% 76.17 0.0
20 08:35 N 9 4.83 Overcast OVC006 0 0 0% 76.2 0.0
20 08:15 NW 6 4.02 Fog/Mist OVC006 14 14 100% 76.2 0.0
20 07:15 N 11 6.44 Fog/Mist OVC007 13 13 100% 76.15 0.0
20 06:55 NW 7 4.83 Fog/Mist OVC006 13 13 100% 76.15 0.0
20 05:55 NW 6 4.83 Fog/Mist OVC007 13 13 100% 76.12 0.0
20 05:35 NW 11 4.83 Fog/Mist OVC007 14 14 100% 76.12 0.0
20 04:55 NW 15 4.83 Fog/Mist OVC007 14 14 100% 76.1 0.0
20 04:35 NW 9 4.83 Fog/Mist OVC007 14 14 100% 76.1 0.0
20 04:15 NW 9 6.44 Fog/Mist OVC007 14 14 100% 76.1 0.0
20 03:55 NW 9 4.83 Fog/Mist OVC007 14 14 100% 76.1 0.0
20 03:35 NW 15 6.44 Fog/Mist OVC007 14 14 100% 76.12 0.0
20 03:15 NW 9 4.02 Fog/Mist OVC006 13 13 100% 76.15 0.0
20 02:35 NW 11 4.83 Fog/Mist OVC006 14 14 100% 76.15 0.0
20 02:15 NW 11 8.05 Fog/Mist OVC006 13 13 100% 76.17 0.0
20 01:35 Vrbl 11 4.83 Fog/Mist OVC005 13 13 100% 76.12 0.0
20 01:15 NW 13 4.83 Fog/Mist OVC005 13 13 100% 76.12 0.0
20 00:55 NW 13 4.83 Fog/Mist OVC005 14 14 100% 76.12 0.0
20 00:35 NW 9 6.44 Fog/Mist OVC005 14 14 100% 76.12 0.0
19 22:15 NW 15 6.44 Fog/Mist OVC006 14 14 100% 76.17 0.0
19 21:15 N 13 8.05 Fog/Mist OVC007 14 14 100% 76.2 0.0
19 20:15 NW 17 8.05 Fog/Mist OVC008 14 14 100% 76.15 0.0
19 19:15 NW 19 6.44 Fog/Mist OVC007 14 14 100% 76.17 0.0
19 18:55 NW 19 6.44 Overcast OVC007 0 0 0% 76.17 0.0
19 18:35 NW 20 6.44 Fog/Mist OVC008 14 14 100% 76.17 0.0
19 18:15 N 22 G 31 6.44 Fog/Mist OVC008 14 14 100% 76.15 0.0
19 17:55 N 15 G 26 6.44 Fog/Mist OVC009 15 14 94% 76.17 0.0
19 17:35 NW 19 8.05 Fog/Mist OVC009 15 14 94% 76.17 0.0
19 17:15 NW 19 8.05 Fog/Mist BKN009 15 14 94% 76.2 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)