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)