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.
16 16:35 S 13 9.66 Fog/Mist FEW007 OVC013 16 15 94% 76.15 0.0
16 16:15 Vrbl 9 11.27 Overcast FEW007 OVC013 16 15 94% 76.15 0.0
16 15:55 Vrbl 9 9.66 Fog/Mist FEW007 BKN013 16 15 94% 76.15 0.0
16 15:35 Vrbl 7 4.02 Fog/Mist BKN005 BKN011 15 15 100% 76.17 0.0
16 15:15 Vrbl 11 3.22 Fog/Mist OVC005 15 15 100% 76.17 0.0
16 14:55 S 9 6.44 Mostly Cloudy SCT007 BKN013 0 0 0% 76.17 0.0
16 14:35 Vrbl 9 9.66 Fog/Mist BKN013 16 15 94% 76.2 0.0
16 14:15 Vrbl 9 12.87 Overcast OVC013 16 15 94% 76.2 0.0
16 13:55 Vrbl 7 11.27 Overcast OVC013 17 15 88% 76.2 0.0
16 13:35 Vrbl 7 8.05 Fog/Mist FEW008 BKN013 16 15 94% 76.2 0.0
16 13:15 SW 13 12.87 Mostly Cloudy BKN012 16 15 94% 76.23 0.0
16 12:55 Vrbl 7 14.48 Mostly Cloudy BKN011 16 15 94% 76.23 0.0
16 12:35 S 9 11.27 Mostly Cloudy BKN012 0 0 0% 76.23 0.0
16 12:15 S 11 12.87 Partly Cloudy SCT011 16 15 94% 76.23 0.0
16 11:55 S 11 14.48 Partly Cloudy SCT011 16 15 94% 76.23 0.0
16 11:35 Vrbl 11 12.87 Partly Cloudy SCT011 16 15 94% 76.23 0.0
16 11:15 Vrbl 9 14.48 Mostly Cloudy BKN011 16 15 94% 76.23 0.0
16 10:55 S 7 14.48 Mostly Cloudy BKN011 15 15 100% 76.23 0.0
16 10:35 S 11 14.48 Partly Cloudy SCT010 15 14 94% 76.23 0.0
16 10:15 Vrbl 7 16.09 Partly Cloudy SCT011 15 14 94% 76.23 0.0
16 09:55 S 9 11.27 Mostly Cloudy BKN007 BKN012 15 14 94% 76.25 0.0
16 09:35 S 13 6.44 Fog/Mist BKN007 14 14 100% 76.25 0.0
16 09:15 S 17 4.83 Fog/Mist SCT006 BKN010 14 14 100% 76.28 0.0
16 08:55 S 15 6.44 Fog/Mist BKN005 OVC009 14 14 100% 76.28 0.0
16 08:35 S 11 6.44 Fog/Mist BKN007 BKN010 14 14 100% 76.25 0.0
16 08:15 S 13 4.02 Fog/Mist BKN008 BKN013 14 14 100% 76.25 0.0
16 07:55 S 13 8.05 Fog/Mist OVC008 14 14 100% 76.25 0.0
16 07:15 S 9 3.22 Overcast OVC007 0 0 0% 76.23 0.0
16 06:35 S 7 1.61 NULL NULL 0 0 0% 76.23 0.0
16 06:15 S 6 2.41 Fog/Mist OVC006 13 13 100% 76.2 0.0
16 05:15 Calm 6.44 Fog/Mist OVC007 14 14 100% 76.2 0.0
16 04:55 Calm 11.27 Overcast OVC007 14 14 100% 76.2 0.0
16 04:35 Calm 9.66 Fog/Mist OVC007 14 14 100% 76.2 0.0
16 04:15 Calm 9.66 Fog/Mist OVC007 14 14 100% 76.2 0.0
16 03:55 W 6 8.05 Fog/Mist OVC007 14 14 100% 76.17 0.0
16 03:35 Calm 9.66 Fog/Mist OVC007 14 14 100% 76.2 0.0
16 03:15 Calm 11.27 Overcast OVC008 14 14 100% 76.2 0.0
16 02:55 Calm 12.87 Overcast OVC008 14 14 100% 76.2 0.0
16 02:35 Calm 11.27 Overcast OVC008 14 14 100% 76.2 0.0
16 02:15 W 6 11.27 Overcast OVC008 14 14 100% 76.23 0.0
16 01:55 Calm 11.27 Overcast OVC008 0 0 0% 76.23 0.0
16 01:35 Calm 11.27 Overcast OVC008 14 14 100% 76.25 0.0
16 01:15 Calm 11.27 Overcast OVC008 14 14 100% 76.25 0.0
16 00:55 Calm 11.27 Overcast OVC008 14 14 100% 76.25 0.0
16 00:35 Calm 11.27 Overcast OVC008 14 14 100% 76.25 0.0
16 00:15 Calm 11.27 Overcast OVC008 14 14 100% 76.28 0.0
15 23:55 Calm 11.27 Overcast OVC008 0 0 0% 76.28 0.0
15 23:35 NW 6 11.27 Overcast OVC008 14 14 100% 76.28 0.0
15 23:15 Calm 11.27 Overcast OVC008 14 14 100% 76.28 0.0
15 22:55 Calm 11.27 Overcast OVC007 14 14 100% 76.3 0.0
15 22:35 NW 7 11.27 Overcast OVC007 14 14 100% 76.3 0.0
15 22:15 Calm 12.87 Overcast OVC007 14 14 100% 76.3 0.0
15 21:55 Calm 12.87 Overcast OVC007 14 14 100% 76.28 0.0
15 21:35 Calm 12.87 NULL NULL 14 14 100% 76.28 0.0
15 21:15 Calm 12.87 NULL NULL 14 14 100% 76.28 0.0
15 20:35 Calm 9.66 Fog/Mist OVC008 14 14 100% 76.25 0.0
15 20:15 Calm 9.66 Fog/Mist OVC008 14 14 100% 76.28 0.0
15 19:55 Calm 9.66 Fog/Mist OVC008 14 14 100% 76.25 0.0
15 19:35 NW 6 9.66 Fog/Mist OVC009 15 14 94% 76.28 0.0
15 19:15 Calm 9.66 Fog/Mist OVC009 15 14 94% 76.28 0.0
15 18:55 Vrbl 7 11.27 Overcast OVC009 15 14 94% 76.28 0.0
15 18:35 W 7 9.66 Fog/Mist OVC009 15 14 94% 76.28 0.0
15 18:15 W 7 9.66 Fog/Mist OVC009 15 14 94% 76.28 0.0
15 17:55 W 7 9.66 Fog/Mist BKN009 15 15 100% 76.28 0.0
15 17:35 SW 7 9.66 Fog/Mist BKN009 BKN013 15 15 100% 76.28 0.0
15 17:15 W 6 11.27 Overcast SCT009 OVC013 16 15 94% 76.28 0.0
15 16:55 Vrbl 9 9.66 Fog/Mist OVC013 16 15 94% 76.3 0.0
15 16:35 W 11 9.66 Fog/Mist BKN012 16 15 94% 76.3 0.0
15 16:15 SW 9 9.66 Mostly Cloudy BKN013 0 0 0% 76.3 0.0
15 15:55 SW 13 9.66 Fog/Mist BKN013 17 15 88% 76.3 0.0
15 15:35 SW 13 9.66 Fog/Mist SCT013 17 15 88% 76.33 0.0
15 15:15 SW 11 9.66 Fog/Mist SCT013 17 15 88% 76.3 0.0
15 14:55 SW 11 G 20 9.66 Fog/Mist BKN013 17 15 88% 76.33 0.0
15 14:35 Vrbl 9 11.27 Partly Cloudy SCT012 17 15 88% 76.33 0.0
15 14:15 SW 13 11.27 Mostly Cloudy BKN013 17 15 88% 76.35 0.0
15 13:55 Vrbl 11 9.66 Fog/Mist OVC012 17 15 88% 76.35 0.0
15 13:35 SW 13 11.27 Overcast OVC012 17 15 88% 76.35 0.0
15 13:15 SW 15 9.66 Fog/Mist OVC012 16 14 88% 76.35 0.0
15 12:55 SW 11 9.66 Fog/Mist OVC012 16 15 94% 76.35 0.0
15 12:35 W 11 9.66 Fog/Mist OVC012 16 14 88% 76.35 0.0
15 12:15 SW 11 11.27 Mostly Cloudy BKN012 16 14 88% 76.35 0.0
15 11:55 W 11 9.66 Fog/Mist NULL 16 14 88% 76.35 0.0
15 11:35 SW 11 11.27 Partly Cloudy SCT011 16 15 94% 76.35 0.0
15 11:15 SW 11 11.27 Partly Cloudy SCT009 SCT013 15 14 94% 76.35 0.0
15 10:55 SW 7 11.27 Mostly Cloudy BKN007 BKN011 15 14 94% 76.33 0.0
15 10:35 S 9 8.05 Fog/Mist OVC007 15 15 100% 76.33 0.0
15 10:15 Vrbl 9 11.27 Mostly Cloudy BKN007 15 14 94% 76.33 0.0
15 09:55 S 9 9.66 Fog/Mist OVC007 15 14 94% 76.33 0.0
15 09:35 S 11 8.05 Fog/Mist OVC006 14 14 100% 76.3 0.0
15 09:15 S 11 6.44 Fog/Mist OVC006 14 14 100% 76.3 0.0
15 08:55 S 7 4.83 Fog/Mist OVC006 14 14 100% 76.3 0.0
15 08:35 S 7 9.66 Fog/Mist OVC006 14 14 100% 76.3 0.0
15 08:15 S 7 4.83 Fog/Mist OVC006 14 14 100% 76.28 0.0
15 07:55 S 9 8.05 Fog/Mist OVC007 14 14 100% 76.28 0.0
15 07:35 S 6 8.05 Fog/Mist OVC007 14 14 100% 76.28 0.0
15 07:15 Calm 9.66 Fog/Mist OVC006 14 14 100% 76.25 0.0
15 06:55 S 6 4.83 Overcast OVC006 0 0 0% 76.25 0.0
15 06:35 Calm 8.05 Fog/Mist OVC006 14 14 100% 76.23 0.0
15 06:15 Vrbl 7 6.44 Fog/Mist OVC006 14 14 100% 76.23 0.0
15 05:55 S 6 6.44 Fog/Mist OVC006 14 14 100% 76.2 0.0
15 05:35 S 6 8.05 Fog/Mist OVC007 14 14 100% 76.23 0.0
15 05:15 Calm 9.66 Fog/Mist OVC007 14 14 100% 76.2 0.0
15 04:55 Vrbl 6 8.05 Fog/Mist OVC006 14 14 100% 76.2 0.0
15 04:35 Calm 8.05 Overcast OVC006 0 0 0% 76.2 0.0
15 04:15 Calm 9.66 Fog/Mist OVC007 14 14 100% 76.2 0.0
15 03:55 S 9 9.66 Overcast OVC007 0 0 0% 76.17 0.0
15 03:35 SE 7 9.66 Fog/Mist OVC007 14 14 100% 76.17 0.0
15 03:15 S 11 9.66 Fog/Mist OVC007 14 14 100% 76.17 0.0
15 02:55 S 9 9.66 Fog/Mist OVC007 14 14 100% 76.17 0.0
15 02:35 S 9 9.66 Fog/Mist OVC008 14 14 100% 76.17 0.0
15 02:15 S 7 9.66 Fog/Mist OVC008 14 14 100% 76.17 0.0
15 01:55 Vrbl 7 11.27 Overcast OVC008 14 14 100% 76.17 0.0
15 01:35 S 13 9.66 Fog/Mist NULL 14 14 100% 76.2 0.0
15 00:55 S 9 11.27 Overcast OVC008 14 14 100% 76.2 0.0
15 00:35 S 7 11.27 Overcast OVC008 14 14 100% 76.23 0.0
14 23:55 S 9 11.27 Overcast OVC009 15 15 100% 76.2 0.0
14 23:35 S 9 11.27 Overcast OVC009 15 15 100% 76.2 0.0
14 23:15 S 11 11.27 Overcast OVC010 15 15 100% 76.23 0.0
14 22:55 S 9 9.66 Fog/Mist OVC010 15 15 100% 76.2 0.0
14 22:35 S 11 8.05 Fog/Mist OVC010 15 15 100% 76.2 0.0
14 22:15 S 13 8.05 Fog/Mist OVC010 15 15 100% 76.2 0.0
14 21:55 SE 13 9.66 Fog/Mist OVC011 15 15 100% 76.2 0.0
14 21:35 S 11 9.66 Fog/Mist OVC011 15 15 100% 76.2 0.0
14 21:15 S 11 9.66 Fog/Mist OVC011 15 15 100% 76.17 0.0
14 20:55 S 11 9.66 Fog/Mist OVC011 15 15 100% 76.17 0.0
14 20:15 S 11 9.66 Fog/Mist OVC012 15 15 100% 76.17 0.0
14 19:55 S 11 8.05 Fog/Mist OVC011 15 15 100% 76.17 0.0
14 19:35 S 11 9.66 Overcast OVC011 0 0 0% 76.17 0.0
14 19:15 S 13 9.66 Fog/Mist OVC012 15 15 100% 76.17 0.0
14 18:55 S 11 9.66 Fog/Mist OVC013 16 15 94% 76.15 0.0
14 18:35 S 13 9.66 Fog/Mist OVC013 16 15 94% 76.15 0.0
14 18:15 S 11 9.66 Fog/Mist OVC013 16 15 94% 76.15 0.0
14 17:55 S 13 9.66 Fog/Mist OVC013 16 15 94% 76.15 0.0
14 17:35 S 13 11.27 Overcast OVC013 16 15 94% 76.15 0.0
14 17:15 S 17 9.66 Fog/Mist OVC013 16 15 94% 76.15 0.0
14 16:55 S 15 11.27 Overcast OVC013 17 15 88% 76.17 0.0
14 16:35 S 17 11.27 Overcast OVC013 17 15 88% 76.17 0.0
14 16:15 S 17 11.27 Overcast OVC013 17 15 88% 76.2 0.0
14 15:55 S 19 9.66 Fog/Mist OVC013 17 15 88% 76.2 0.0
14 15:35 S 17 11.27 Overcast OVC013 17 15 88% 76.2 0.0
14 15:15 S 17 11.27 Overcast OVC013 17 15 88% 76.2 0.0
14 14:55 S 19 11.27 Overcast OVC014 17 15 88% 76.2 0.0
14 14:35 S 15 11.27 Overcast OVC014 17 15 88% 76.2 0.0
14 14:15 S 13 G 24 9.66 Fog/Mist OVC014 17 15 88% 76.2 0.0
14 13:55 S 15 9.66 Fog/Mist OVC013 17 15 88% 76.2 0.0
14 13:35 S 17 G 26 12.87 Overcast OVC014 17 15 88% 76.2 0.0
14 13:15 S 17 G 26 12.87 Overcast OVC014 17 15 88% 76.2 0.0
14 12:55 S 19 11.27 Overcast OVC013 17 15 88% 76.2 0.0
14 12:35 S 17 11.27 Overcast OVC013 16 15 94% 76.2 0.0
14 12:15 S 20 11.27 Overcast OVC013 16 15 94% 76.23 0.0
14 11:55 S 19 9.66 Fog/Mist OVC013 16 14 88% 76.2 0.0
14 11:35 S 19 9.66 Fog/Mist OVC013 16 14 88% 76.2 0.0
14 11:15 S 20 9.66 Fog/Mist OVC013 16 15 94% 76.17 0.0
14 10:55 S 19 11.27 Overcast OVC013 16 14 88% 76.17 0.0
14 10:35 S 19 9.66 Overcast OVC013 0 0 0% 76.15 0.0
14 10:15 S 15 9.66 Fog/Mist OVC011 15 15 100% 76.15 0.0
14 09:55 S 17 G 26 11.27 Mostly Cloudy BKN009 BKN012 15 14 94% 76.15 0.0
14 09:35 S 15 12.87 Mostly Cloudy BKN010 15 15 100% 76.15 0.0
14 09:15 SE 11 12.87 Overcast OVC010 15 14 94% 76.15 0.0
14 08:55 S 13 11.27 Overcast OVC009 15 14 94% 76.15 0.0
14 08:15 S 13 11.27 Mostly Cloudy BKN008 BKN013 14 14 100% 76.12 0.0
14 07:55 S 11 11.27 Overcast OVC007 0 0 0% 76.1 0.0
14 07:35 S 15 9.66 Fog/Mist OVC007 14 14 100% 76.07 0.0
14 07:15 S 13 9.66 Fog/Mist OVC007 14 14 100% 76.07 0.0
14 06:55 S 9 4.02 Fog/Mist OVC005 14 14 100% 76.07 0.0
14 06:35 S 13 4.02 Fog/Mist OVC005 14 14 100% 76.05 0.0
14 06:15 S 11 3.22 Fog/Mist OVC005 14 14 100% 76.05 0.0
14 05:55 S 15 4.83 Fog/Mist OVC005 14 14 100% 76.02 0.0
14 05:35 S 9 4.83 Fog/Mist OVC005 14 14 100% 76.02 0.0
14 05:15 S 15 6.44 Fog/Mist OVC006 14 14 100% 76.02 0.0
14 04:55 S 15 G 24 9.66 Fog/Mist OVC007 14 14 100% 76 0.0
14 04:35 S 15 9.66 Fog/Mist OVC008 14 14 100% 76 0.0
14 04:15 S 15 11.27 Overcast OVC009 14 14 100% 76 0.0
14 03:55 S 9 9.66 Fog/Mist OVC008 14 14 100% 76 0.0
14 03:35 S 11 11.27 Overcast OVC009 14 14 100% 76 0.0
14 03:15 S 13 9.66 Fog/Mist OVC009 14 14 100% 76 0.0
14 02:55 S 15 9.66 Fog/Mist OVC010 14 14 100% 75.97 0.0
14 02:35 S 11 9.66 Fog/Mist OVC009 14 14 100% 76 0.0
14 02:15 S 13 9.66 Fog/Mist OVC009 14 14 100% 76 0.0
14 01:55 S 13 G 24 9.66 Fog/Mist OVC009 14 14 100% 76 0.0
14 01:35 S 11 9.66 Fog/Mist OVC008 14 14 100% 76 0.0
14 01:15 S 15 9.66 Fog/Mist OVC009 14 14 100% 76 0.0
14 00:15 SE 15 11.27 Overcast OVC009 15 15 100% 76 0.0
13 23:55 SE 13 11.27 Overcast OVC009 15 15 100% 76.02 0.0
13 23:35 Vrbl 11 11.27 Overcast OVC010 0 0 0% 76.02 0.0
13 23:15 SE 13 G 24 9.66 Fog/Mist OVC010 15 15 100% 76.02 0.0
13 22:55 S 11 9.66 Fog/Mist OVC010 15 15 100% 76.02 0.0
13 22:35 SE 15 9.66 Fog/Mist OVC010 15 15 100% 76.02 0.0
13 22:15 S 11 11.27 Overcast BKN011 OVC015 15 15 100% 76 0.0
13 21:55 SE 13 9.66 Fog/Mist OVC013 15 15 100% 76 0.0
13 21:35 S 13 8.05 Fog/Mist OVC013 15 15 100% 76 0.0
13 21:15 S 11 8.05 Fog/Mist BKN010 OVC015 15 15 100% 76 0.0
13 20:55 S 11 8.05 Fog/Mist OVC013 15 15 100% 75.97 0.0
13 20:35 SE 15 8.05 Fog/Mist FEW010 OVC016 15 15 100% 75.95 0.0
13 20:15 SE 15 9.66 Fog/Mist SCT010 BKN016 15 15 100% 75.95 0.0
13 19:55 SE 17 9.66 Fog/Mist SCT010 BKN016 15 15 100% 75.95 0.0
13 19:35 SE 15 11.27 Partly Cloudy FEW010 SCT016 15 15 100% 75.92 0.0
13 19:15 S 19 11.27 Fair CLR 16 15 94% 75.92 0.0
13 18:55 SE 19 12.87 A Few Clouds FEW010 0 0 0% 75.92 0.0
13 18:35 SE 17 12.87 Partly Cloudy SCT010 16 15 94% 75.92 0.0
13 18:15 S 15 12.87 Partly Cloudy SCT010 SCT015 0 0 0% 75.95 0.0
13 17:55 S 13 11.27 Partly Cloudy SCT009 SCT015 16 15 94% 75.95 0.0
13 17:35 S 15 11.27 Mostly Cloudy BKN009 16 15 94% 75.95 0.0
13 17:15 S 13 11.27 Mostly Cloudy BKN008 16 15 94% 75.95 0.0
13 16:55 S 13 G 24 11.27 Overcast OVC008 16 15 94% 75.95 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)