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 21:15 W 11 0.00 NULL NULL 14 14 100% 76.07 0.0
16 20:55 SW 9 14.48 Overcast FEW005 FEW009 OVC016 14 14 100% 76.05 0.0
16 20:35 SW 11 16.09 Overcast SCT006 OVC015 14 14 100% 76.05 0.0
16 20:15 Calm 14.48 Overcast SCT008 OVC015 15 14 94% 76.05 0.0
16 19:55 S 9 14.48 Overcast SCT010 OVC016 15 14 94% 76.05 0.0
16 19:35 Vrbl 9 16.09 Overcast OVC016 15 14 94% 76.05 0.0
16 19:15 S 11 14.48 Overcast OVC016 15 14 94% 76.05 0.0
16 18:55 S 11 16.09 Overcast OVC016 15 14 94% 76.05 0.0
16 18:35 SW 9 16.09 Overcast OVC017 15 14 94% 76.02 0.0
16 18:15 S 11 14.48 Overcast OVC017 15 14 94% 76.05 0.0
16 17:55 Vrbl 11 12.87 Overcast OVC017 16 14 88% 76.05 0.0
16 17:35 S 13 16.09 Overcast OVC017 16 14 88% 76.05 0.0
16 17:15 SW 9 G 19 16.09 Overcast OVC017 16 13 83% 76.07 0.0
16 16:55 S 13 16.09 Overcast OVC016 16 13 83% 76.07 0.0
16 16:35 S 13 16.09 Overcast BKN016 OVC025 16 13 83% 76.1 0.0
16 16:15 S 13 G 24 14.48 Partly Cloudy FEW017 SCT025 16 14 88% 76.1 0.0
16 15:55 S 13 12.87 Fair CLR 17 14 83% 76.1 0.0
16 15:35 Vrbl 9 12.87 Fair CLR 17 14 83% 76.1 0.0
16 15:15 S 13 14.48 Fair CLR 17 13 77% 76.12 0.0
16 14:55 Vrbl 11 11.27 Fair CLR 17 13 77% 76.12 0.0
16 14:35 Vrbl 11 G 22 12.87 Fair CLR 17 13 77% 76.12 0.0
16 14:15 S 15 16.09 Fair CLR 17 13 77% 76.15 0.0
16 13:55 S 15 12.87 Fair CLR 17 13 77% 76.15 0.0
16 13:35 S 13 12.87 Fair CLR 17 13 77% 76.17 0.0
16 13:15 S 15 9.66 A Few Clouds with Haze FEW021 16 13 83% 76.15 0.0
16 12:55 S 15 16.09 Overcast OVC020 16 13 83% 76.17 0.0
16 12:35 SW 15 16.09 Overcast OVC017 15 13 88% 76.17 0.0
16 12:15 Vrbl 11 16.09 Overcast OVC016 15 13 88% 76.17 0.0
16 11:55 Vrbl 11 G 24 16.09 Overcast OVC016 15 13 88% 76.17 0.0
16 11:35 SW 13 16.09 Overcast OVC016 15 13 88% 76.17 0.0
16 11:15 Vrbl 7 G 19 16.09 Overcast OVC014 15 13 88% 76.17 0.0
16 10:55 Vrbl 9 G 20 16.09 Overcast OVC013 14 13 94% 76.17 0.0
16 10:35 W 15 16.09 Overcast OVC012 14 13 94% 76.15 0.0
16 10:15 SW 13 14.48 Mostly Cloudy SCT009 BKN013 14 13 94% 76.15 0.0
16 09:55 SW 9 6.44 Fog/Mist SCT008 BKN013 13 13 100% 76.15 0.0
16 09:35 SW 11 3.22 Fog/Mist BKN006 BKN010 BKN013 13 13 100% 76.15 0.0
16 09:15 Vrbl 7 2.01 Fog/Mist OVC006 13 13 100% 76.15 0.0
16 08:55 SW 11 3.22 Fog/Mist BKN005 BKN008 OVC013 13 13 100% 76.12 0.0
16 08:35 SW 13 3.22 Fog/Mist BKN005 BKN010 BKN013 13 13 100% 76.12 0.0
16 08:15 SW 11 4.02 Fog/Mist BKN006 BKN010 OVC013 13 13 100% 76.1 0.0
16 07:55 SW 7 3.22 Fog/Mist BKN006 OVC012 13 13 100% 76.07 0.0
16 07:35 SW 6 2.82 Fog/Mist OVC005 13 13 100% 76.07 0.0
16 07:15 S 7 2.82 Fog/Mist BKN006 BKN009 OVC013 13 13 100% 76.07 0.0
16 06:55 Calm 2.41 Fog/Mist OVC006 13 13 100% 76.05 0.0
16 06:35 SW 6 2.41 Fog/Mist OVC006 13 13 100% 76.02 0.0
16 06:15 S 9 4.02 Fog/Mist OVC006 13 13 100% 76.02 0.0
16 05:35 Calm 3.22 Fog/Mist OVC006 13 13 100% 76 0.0
16 05:15 Calm 4.02 Fog/Mist BKN006 OVC011 13 13 100% 76 0.0
16 04:55 SW 7 6.44 Fog/Mist BKN006 OVC011 13 13 100% 76 0.0
16 04:35 SW 9 8.05 Fog/Mist BKN006 OVC011 13 13 100% 75.97 0.0
16 04:15 SW 7 6.44 Fog/Mist OVC005 13 13 100% 75.97 0.0
16 03:55 Calm 8.05 Fog/Mist OVC006 13 13 100% 75.97 0.0
16 03:35 SW 7 6.44 Fog/Mist OVC005 13 13 100% 75.97 0.0
16 03:15 Calm 6.44 Fog/Mist OVC005 13 13 100% 75.97 0.0
16 02:55 SW 9 6.44 Fog/Mist OVC006 13 13 100% 76 0.0
16 02:35 SW 9 4.83 Fog/Mist OVC005 13 13 100% 76 0.0
16 02:15 SW 7 4.83 Fog/Mist BKN005 OVC008 13 13 100% 76 0.0
16 01:55 SW 7 G 19 4.83 Fog/Mist BKN005 OVC008 13 13 100% 76 0.0
16 01:35 S 6 4.83 Fog/Mist BKN004 OVC007 13 13 100% 76 0.0
16 01:15 SW 7 3.22 Fog/Mist OVC004 13 13 100% 76 0.0
16 00:55 SW 9 3.22 Fog/Mist BKN004 OVC011 13 13 100% 76 0.0
16 00:35 Vrbl 9 4.02 Fog/Mist SCT005 OVC010 13 13 100% 76.02 0.0
16 00:15 Vrbl 11 G 22 4.02 Fog/Mist BKN008 OVC011 13 13 100% 76.02 0.0
15 23:55 Vrbl 9 4.83 Fog/Mist BKN008 OVC011 13 13 100% 76.02 0.0
15 23:35 S 17 4.02 Fog/Mist SCT006 OVC011 13 13 100% 76.02 0.0
15 22:55 S 17 6.44 Fog/Mist OVC010 14 14 100% 76.02 0.0
15 22:35 S 19 6.44 Fog/Mist OVC010 14 14 100% 76.02 0.0
15 22:15 S 15 6.44 Fog/Mist OVC009 14 14 100% 76.02 0.0
15 21:55 SW 15 4.83 Fog/Mist OVC010 14 14 100% 76.02 0.0
15 21:35 S 19 8.05 Fog/Mist OVC010 14 14 100% 76 0.0
15 21:15 S 15 6.44 Fog/Mist OVC011 14 14 100% 76 0.0
15 20:55 S 15 6.44 Fog/Mist OVC010 14 14 100% 76 0.0
15 20:35 S 19 6.44 Fog/Mist OVC010 14 14 100% 76 0.0
15 20:15 S 19 6.44 Fog/Mist BKN010 OVC013 14 14 100% 76 0.0
15 19:55 S 17 6.44 Fog/Mist BKN009 OVC012 14 14 100% 76 0.0
15 19:35 S 20 8.05 Fog/Mist OVC010 15 14 94% 76 0.0
15 19:15 S 17 8.05 Fog/Mist BKN009 OVC013 15 14 94% 75.97 0.0
15 18:55 S 17 4.83 Fog/Mist BKN007 OVC013 15 15 100% 75.97 0.0
15 18:35 S 13 4.02 Fog/Mist SCT006 BKN009 OVC013 14 14 100% 76 0.0
15 18:15 S 13 3.22 Fog/Mist BKN006 OVC009 14 14 100% 76 0.0
15 17:55 S 17 2.41 Fog/Mist OVC003 14 14 100% 76 0.0
15 17:35 S 15 0.80 Fog/Mist OVC003 14 14 100% 76 0.0
15 17:15 S 22 1.21 Fog/Mist OVC005 15 15 100% 76.02 0.0
15 16:55 S 22 6.44 Fog/Mist OVC006 15 14 94% 76.02 0.0
15 16:35 S 24 12.87 Overcast BKN007 OVC013 15 14 94% 76.05 0.0
15 16:15 S 24 14.48 Overcast OVC011 16 14 88% 76.05 0.0
15 15:55 S 20 16.09 Overcast OVC012 16 14 88% 76.05 0.0
15 15:35 S 20 16.09 Overcast OVC011 16 14 88% 76.05 0.0
15 15:15 S 24 16.09 Overcast OVC011 16 14 88% 76.07 0.0
15 14:55 S 17 G 26 16.09 Mostly Cloudy BKN012 17 15 88% 76.07 0.0
15 14:35 S 19 14.48 A Few Clouds FEW012 17 14 83% 76.07 0.0
15 14:15 S 15 14.48 A Few Clouds FEW011 16 14 88% 76.1 0.0
15 13:55 S 22 14.48 Partly Cloudy SCT010 SCT021 17 14 83% 76.1 0.0
15 13:35 S 20 14.48 Partly Cloudy FEW009 SCT022 16 14 88% 76.1 0.0
15 13:15 S 20 14.48 Partly Cloudy FEW007 SCT018 16 14 88% 76.1 0.0
15 12:55 S 20 14.48 Mostly Cloudy SCT005 BKN018 16 14 88% 76.07 0.0
15 12:35 S 17 G 28 12.87 Mostly Cloudy BKN005 BKN014 15 14 94% 76.1 0.0
15 12:15 S 19 11.27 Mostly Cloudy BKN005 BKN013 15 14 94% 76.1 0.0
15 11:55 S 19 4.02 Fog/Mist BKN004 15 15 100% 76.1 0.0
15 11:35 S 17 4.83 Fog/Mist BKN005 15 15 100% 76.1 0.0
15 11:15 S 15 6.44 Fog/Mist BKN005 15 14 94% 76.1 0.0
15 10:55 S 17 2.41 Fog/Mist OVC005 14 14 100% 76.07 0.0
15 10:35 S 15 2.41 Fog/Mist BKN006 BKN013 14 14 100% 76.07 0.0
15 10:15 S 15 14.48 Mostly Cloudy BKN006 BKN016 14 14 100% 76.07 0.0
15 09:55 S 13 11.27 Overcast OVC005 14 14 100% 76.07 0.0
15 09:35 S 15 2.82 Fog/Mist OVC004 13 13 100% 76.07 0.0
15 08:55 S 13 2.41 Fog/Mist OVC004 13 13 100% 76.07 0.0
15 08:35 S 11 G 20 1.21 Fog/Mist OVC003 13 13 100% 76.05 0.0
15 08:15 S 13 4.83 Fog/Mist OVC005 13 13 100% 76.05 0.0
15 07:55 S 11 2.01 Fog/Mist OVC005 13 13 100% 76.02 0.0
15 07:35 S 13 1.61 Fog/Mist OVC004 13 13 100% 76.02 0.0
15 07:15 S 15 3.22 Fog/Mist BKN005 OVC008 13 13 100% 76.02 0.0
15 06:55 S 15 4.02 Fog/Mist BKN005 OVC009 13 13 100% 76.02 0.0
15 06:35 S 11 1.61 Fog/Mist OVC004 13 13 100% 76 0.0
15 06:15 S 9 3.22 Fog/Mist BKN004 OVC008 13 13 100% 76 0.0
15 05:55 S 11 2.41 Fog/Mist OVC003 13 13 100% 76 0.0 0.03
15 05:35 Calm 1.61 Fog/Mist OVC003 13 13 100% 75.97 0.0
15 05:15 SW 7 1.21 Fog/Mist OVC003 13 13 100% 75.97 0.0
15 04:55 SW 6 4.83 Fog/Mist OVC004 13 13 100% 75.97 0.0
15 04:35 SW 7 2.41 Fog/Mist OVC004 13 13 100% 75.97 0.0
15 04:15 SW 7 1.61 Fog/Mist OVC003 13 13 100% 75.97 0.0
15 03:55 W 9 1.61 Fog/Mist OVC003 13 13 100% 75.97 0.0 0.03
15 03:35 Calm 1.21 Fog/Mist OVC003 13 13 100% 75.97 0.0
15 03:15 Calm 1.21 Fog/Mist OVC003 13 13 100% 76 0.0
15 02:55 SE 6 1.21 Fog/Mist OVC003 13 13 100% 76 0.0
15 02:35 SE 7 1.21 Fog/Mist OVC003 13 13 100% 76 0.0
15 02:15 Calm 1.61 Fog/Mist OVC003 13 13 100% 76 0.0
15 01:55 E 7 2.41 Fog/Mist OVC004 13 13 100% 76 0.0
15 01:35 Calm 4.83 Fog/Mist OVC005 13 13 100% 76.02 0.0
15 01:15 Calm 14.48 Overcast OVC005 13 13 100% 76.02 0.0
15 00:55 Calm 12.87 Overcast OVC004 13 13 100% 76.02 0.0
15 00:35 Calm 14.48 Overcast OVC005 13 13 100% 76.05 0.0
15 00:15 Calm 11.27 Overcast OVC007 13 13 100% 76.05 0.0
14 23:55 Calm 12.87 Overcast OVC004 13 13 100% 76.05 0.0
14 23:35 Calm 14.48 Overcast OVC004 13 13 100% 76.05 0.0
14 23:15 Calm 16.09 Overcast OVC005 13 13 100% 76.05 0.0
14 22:55 Calm 16.09 Overcast OVC006 13 13 100% 76.05 0.0
14 22:35 SE 6 14.48 Overcast OVC006 13 13 100% 76.05 0.0
14 22:15 S 6 16.09 Overcast OVC006 13 13 100% 76.05 0.0
14 21:55 Calm 14.48 Overcast OVC005 13 13 100% 76.02 0.0
14 21:35 Calm 3.22 Fog/Mist OVC003 13 13 100% 76.02 0.0
14 21:15 Calm 4.83 Fog/Mist OVC003 13 13 100% 76.02 0.0
14 20:55 Calm 16.09 Overcast BKN004 OVC008 13 13 100% 76.02 0.0
14 20:35 Calm 14.48 Overcast BKN005 OVC008 13 13 100% 76.02 0.0
14 20:15 Calm 14.48 Overcast OVC003 13 13 100% 76.02 0.0
14 19:55 Calm 14.48 Overcast OVC004 13 13 100% 76.02 0.0
14 19:15 SE 6 14.48 Overcast OVC004 14 14 100% 76.02 0.0
14 18:55 S 11 14.48 Overcast OVC004 14 14 100% 76.02 0.0
14 18:35 Calm 14.48 Overcast OVC004 14 14 100% 76.05 0.0
14 18:15 Vrbl 9 14.48 Overcast OVC004 14 14 100% 76.05 0.0
14 17:55 S 9 14.48 Overcast OVC004 14 14 100% 76.05 0.0
14 17:35 S 11 G 20 14.48 Overcast OVC004 14 14 100% 76.07 0.0
14 17:15 S 11 4.02 Fog/Mist OVC003 14 14 100% 76.07 0.0
14 16:55 SE 11 4.83 Fog/Mist BKN004 OVC007 15 14 94% 76.07 0.0
14 16:35 S 11 14.48 Overcast OVC003 14 14 100% 76.07 0.0
14 16:15 S 13 12.87 Overcast OVC003 14 14 100% 76.1 0.0
14 15:55 S 13 16.09 Overcast OVC004 15 14 94% 76.1 0.0
14 15:35 S 15 16.09 Overcast OVC004 15 14 94% 76.12 0.0
14 15:15 S 15 1.61 Fog/Mist OVC003 15 14 94% 76.12 0.0
14 14:55 S 13 G 22 8.05 Fog/Mist BKN003 BKN007 15 14 94% 76.12 0.0
14 14:35 S 17 16.09 A Few Clouds FEW007 16 14 88% 76.15 0.0
14 14:15 S 15 16.09 A Few Clouds FEW006 FEW010 16 14 88% 76.15 0.0
14 13:55 SW 15 16.09 A Few Clouds FEW010 16 14 88% 76.15 0.0
14 13:35 SW 15 16.09 Fair CLR 16 14 88% 76.15 0.0
14 13:15 S 15 14.48 Fair CLR 16 14 88% 76.15 0.0
14 12:55 SW 11 16.09 Fair CLR 16 14 88% 76.15 0.0
14 12:35 SW 11 16.09 Fair CLR 16 14 88% 76.15 0.0
14 12:15 SW 11 16.09 Fair CLR 15 14 94% 76.15 0.0
14 11:55 SW 9 16.09 Fair CLR 15 14 94% 76.15 0.0
14 11:35 SW 13 16.09 Fair CLR 15 14 94% 76.15 0.0
14 11:15 SW 13 16.09 NULL NULL 14 13 94% 76.15 0.0
14 10:55 SW 11 0.00 NULL NULL 14 13 94% 76.15 0.0
14 10:50 SW 13 0.00 NULL NULL 0 0 0% 76.12 0.0
14 08:04 E 6 12.87 Overcast BKN003 OVC006 12 12 100% 76.12 0.0
14 07:35 Calm 0.24 Fog OVC002 11 11 100% 76.12 0.0
14 07:15 Calm 0.24 Fog OVC002 11 11 100% 76.1 0.0
14 06:55 Calm 0.24 Fog OVC002 10 10 100% 76.1 0.0
14 06:35 Calm 0.24 Fog OVC002 10 10 100% 76.1 0.0
14 06:15 Calm 0.40 Fog OVC002 10 10 100% 76.1 0.0
14 05:55 E 7 0.24 Fog OVC002 10 10 100% 9 76.1 0.0
14 05:35 E 6 0.40 Fog OVC002 10 10 100% 76.07 0.0
14 04:55 E 7 0.24 Fog OVC002 11 11 100% 76.07 0.0
14 04:35 Calm 0.40 Fog OVC002 11 11 100% 76.07 0.0
14 04:15 SE 7 2.01 Fog/Mist OVC002 12 12 100% 76.1 0.0
14 03:55 Calm 0.40 Fog OVC002 12 12 100% 76.1 0.0
14 03:35 Calm 0.80 Fog OVC002 12 12 100% 76.1 0.0
14 03:15 Calm 0.40 Fog OVC002 12 12 100% 76.1 0.0
14 02:55 S 6 0.40 Fog OVC002 12 12 100% 76.12 0.0
14 02:35 Calm 1.21 Fog/Mist OVC002 12 12 100% 76.15 0.0
14 02:15 S 6 2.82 Fog/Mist OVC003 12 12 100% 76.15 0.0
14 01:55 SW 7 4.02 Fog/Mist OVC003 12 12 100% 76.17 0.0
14 01:35 Calm 4.83 Fog/Mist OVC003 12 12 100% 76.17 0.0
14 01:15 Calm 4.83 Fog/Mist OVC003 12 12 100% 76.17 0.0
14 00:55 S 9 4.83 Fog/Mist OVC003 12 12 100% 76.17 0.0
14 00:35 SE 9 4.83 Fog/Mist OVC003 12 12 100% 76.2 0.0
14 00:15 SE 9 4.83 Fog/Mist OVC003 12 12 100% 76.2 0.0
13 23:55 S 11 4.83 Fog/Mist OVC003 12 12 100% 76.23 0.0
13 23:35 SE 11 8.05 Fog/Mist OVC003 12 12 100% 76.23 0.0
13 23:15 S 11 2.82 Fog/Mist OVC003 12 12 100% 76.23 0.0
13 22:55 S 11 2.41 Fog/Mist OVC002 12 12 100% 76.23 0.0
13 22:35 Calm 4.02 Fog/Mist OVC003 13 13 100% 76.23 0.0
13 22:15 S 7 2.01 Fog/Mist OVC002 13 13 100% 76.23 0.0
13 21:55 S 9 2.01 Fog/Mist OVC002 13 13 100% 76.2 0.0
13 21:35 SE 9 1.61 Fog/Mist OVC002 13 13 100% 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)