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.
10 01:55 S 6 6.44 Fog/Mist OVC010 15 15 100% 75.9 0.0
10 01:35 S 7 8.05 Fog/Mist OVC010 15 15 100% 75.92 0.0
10 01:15 E 11 6.44 Fog/Mist OVC010 15 14 94% 75.92 0.0
10 00:55 SE 7 6.44 Fog/Mist OVC010 15 14 94% 75.92 0.0
10 00:35 SE 9 6.44 Fog/Mist OVC010 15 14 94% 75.92 0.0
10 00:15 Calm 6.44 Fog/Mist OVC010 15 14 94% 75.95 0.0
09 23:55 SE 7 6.44 Fog/Mist OVC009 0 0 0% 75.95 0.0
09 23:35 SE 7 8.05 Fog/Mist OVC009 15 15 100% 75.95 0.0
09 23:15 Calm 6.44 Fog/Mist NULL 15 14 94% 75.95 0.0
09 22:55 SE 7 6.44 Fog/Mist OVC009 15 14 94% 75.95 0.0
09 22:35 Calm 6.44 Fog/Mist OVC009 15 14 94% 75.97 0.0
09 22:15 Calm 8.05 Fog/Mist OVC009 15 14 94% 75.95 0.0
09 21:55 Calm 6.44 Fog/Mist OVC008 14 14 100% 75.95 0.0
09 21:35 Calm 8.05 Fog/Mist OVC008 14 14 100% 75.95 0.0
09 21:15 Calm 8.05 Fog/Mist OVC008 14 14 100% 75.92 0.0
09 20:55 Calm 6.44 Fog/Mist OVC008 15 15 100% 75.92 0.0
09 20:35 Calm 6.44 Fog/Mist OVC008 14 14 100% 75.92 0.0
09 20:15 Calm 4.83 Fog/Mist OVC008 14 14 100% 75.9 0.0
09 19:55 NW 6 4.83 Fog/Mist OVC008 14 14 100% 75.87 0.0
09 19:35 W 7 4.83 Fog/Mist OVC008 15 14 94% 75.87 0.0
09 19:15 NW 7 4.83 Overcast OVC008 0 0 0% 75.87 0.0
09 18:55 NW 9 4.83 Fog/Mist OVC007 15 14 94% 75.87 0.0
09 18:35 NW 13 4.83 Fog/Mist OVC007 15 14 94% 75.87 0.0
09 18:15 NW 15 4.83 NULL NULL 0 0 0% 75.87 0.0
09 17:55 NW 13 4.83 Fog/Mist OVC006 15 15 100% 75.9 0.0
09 17:35 W 13 4.83 Fog/Mist OVC006 15 15 100% 75.87 0.0
09 17:15 Vrbl 11 4.83 Fog/Mist OVC006 15 15 100% 75.87 0.0
09 16:55 NW 13 4.83 Fog/Mist OVC005 15 15 100% 75.87 0.0
09 16:35 W 11 4.83 Fog/Mist OVC004 16 16 100% 75.9 0.0
09 16:15 W 9 4.02 Fog/Mist OVC004 16 16 100% 75.9 0.0
09 15:55 W 13 4.02 Fog/Mist OVC004 16 16 100% 75.92 0.0
09 15:35 W 9 4.83 Fog/Mist OVC005 16 16 100% 75.92 0.0
09 15:15 SW 9 4.83 Fog/Mist BKN005 16 16 100% 75.95 0.0
09 14:55 Vrbl 9 8.05 Fog/Mist OVC005 17 16 94% 75.95 0.0
09 14:35 Vrbl 7 4.83 Fog/Mist OVC005 17 16 94% 75.95 0.0
09 14:15 Vrbl 9 6.44 Fog/Mist OVC004 17 16 94% 75.97 0.0
09 13:55 Vrbl 7 4.83 Fog/Mist BKN004 17 16 94% 75.97 0.0
09 13:35 SW 11 6.44 Fog/Mist BKN005 17 16 94% 75.97 0.0
09 13:15 Vrbl 7 4.83 Fog/Mist BKN005 16 16 100% 75.95 0.0
09 12:55 SW 7 4.02 Fog/Mist OVC005 16 16 100% 75.97 0.0
09 12:35 Vrbl 7 2.82 Fog/Mist OVC004 16 16 100% 75.97 0.0
09 12:15 Vrbl 9 4.02 Fog/Mist OVC004 16 16 100% 75.97 0.0
09 11:55 SW 7 4.83 Fog/Mist BKN004 16 16 100% 76 0.0
09 11:35 SW 13 3.22 Fog/Mist BKN005 16 15 94% 76 0.0
09 11:15 SW 9 12.87 Partly Cloudy SCT006 16 15 94% 75.97 0.0
09 10:55 Calm 14.48 Mostly Cloudy BKN006 16 15 94% 75.95 0.0
09 10:35 SE 11 11.27 Mostly Cloudy BKN005 16 15 94% 75.97 0.0
09 10:15 S 11 14.48 A Few Clouds FEW007 16 15 94% 75.95 0.0
09 09:55 Vrbl 9 14.48 Fair CLR 16 15 94% 75.92 0.0
09 09:35 S 11 14.48 Fair CLR 16 15 94% 75.95 0.0
09 09:15 S 9 12.87 A Few Clouds FEW004 15 15 100% 75.92 0.0
09 08:55 S 11 12.87 Partly Cloudy SCT003 14 14 100% 75.92 0.0
09 08:35 S 13 11.27 Mostly Cloudy BKN003 14 14 100% 75.92 0.0
09 08:15 S 13 4.83 Fog/Mist BKN003 14 14 100% 75.92 0.0
09 07:55 S 13 6.44 Fog/Mist BKN004 14 14 100% 75.92 0.0
09 07:35 S 11 14.48 Mostly Cloudy BKN004 13 13 100% 75.9 0.0
09 07:15 SE 11 9.66 Fog/Mist OVC004 13 13 100% 75.9 0.0
09 06:55 SE 11 6.44 Fog/Mist OVC003 13 13 100% 75.9 0.0
09 06:35 SE 11 8.05 Fog/Mist OVC003 13 13 100% 75.87 0.0
09 06:15 SE 15 6.44 Fog/Mist OVC003 13 13 100% 75.87 0.0
09 05:55 SE 17 2.41 Fog/Mist OVC002 13 13 100% 75.87 0.0
09 05:35 SE 13 1.21 Fog/Mist OVC002 13 13 100% 75.87 0.0
09 05:15 SE 11 0.80 Fog/Mist OVC002 13 13 100% 75.84 0.0
09 04:35 SE 15 0.80 Fog/Mist OVC002 13 13 100% 75.84 0.0
09 04:15 SE 17 1.61 Fog/Mist OVC002 13 13 100% 75.84 0.0
09 03:55 SE 11 1.21 Fog/Mist OVC002 13 13 100% 75.84 0.0
09 03:35 SE 15 0.40 Fog OVC002 13 13 100% 75.87 0.0
09 02:55 SE 13 0.80 Fog OVC002 14 14 100% 75.9 0.0
09 02:35 SE 15 0.40 Fog OVC002 14 14 100% 75.9 0.0
09 02:15 SE 13 0.40 Overcast OVC002 0 0 0% 75.9 0.0
09 01:55 S 9 0.80 Fog/Mist OVC002 14 14 100% 75.9 0.0
09 01:35 SE 9 1.21 Fog/Mist OVC002 14 14 100% 75.9 0.0
09 01:15 SE 7 0.80 Fog OVC002 14 14 100% 75.92 0.0
09 00:55 SE 6 1.61 Fog/Mist OVC002 14 14 100% 75.92 0.0
09 00:35 SE 6 1.21 Fog/Mist OVC002 14 14 100% 75.92 0.0
09 00:15 SE 6 0.80 Fog/Mist OVC002 14 14 100% 75.95 0.0
08 23:55 Calm 2.82 Fog/Mist OVC002 14 14 100% 75.95 0.0
08 23:35 Calm 4.02 Fog/Mist OVC003 14 14 100% 75.97 0.0
08 23:15 S 7 4.02 Fog/Mist OVC003 14 14 100% 75.97 0.0
08 22:55 Calm 4.83 Fog/Mist OVC003 14 14 100% 76 0.0
08 22:35 Calm 4.83 Overcast OVC003 0 0 0% 76 0.0
08 22:15 Calm 4.02 Fog/Mist OVC003 14 14 100% 76.02 0.0
08 21:55 Vrbl 6 4.83 Fog/Mist OVC003 14 14 100% 76.02 0.0
08 21:35 Calm 4.83 Fog/Mist OVC003 14 14 100% 76.02 0.0
08 21:15 Calm 6.44 Fog/Mist OVC003 14 14 100% 76.02 0.0
08 20:55 Calm 6.44 Fog/Mist OVC004 14 14 100% 76.02 0.0
08 20:35 Calm 8.05 Overcast OVC004 0 0 0% 76.02 0.0
08 20:15 Calm 6.44 Fog/Mist OVC004 14 14 100% 76.05 0.0
08 19:55 NW 7 6.44 Fog/Mist OVC004 14 14 100% 76.02 0.0
08 19:35 NW 7 6.44 Fog/Mist OVC005 15 15 100% 76.05 0.0
08 19:15 NW 9 6.44 Fog/Mist OVC005 15 15 100% 76.05 0.0
08 18:55 NW 9 8.05 Fog/Mist OVC006 15 15 100% 76.05 0.0
08 18:35 W 9 6.44 Fog/Mist OVC006 15 15 100% 76.05 0.0
08 18:15 Vrbl 9 8.05 Fog/Mist OVC006 15 15 100% 76.07 0.0
08 17:55 NW 9 9.66 Fog/Mist OVC007 15 15 100% 76.07 0.0
08 17:35 NW 7 8.05 Fog/Mist OVC007 15 15 100% 76.07 0.0
08 17:15 NW 9 9.66 Fog/Mist OVC007 15 15 100% 76.1 0.0
08 16:55 Vrbl 11 G 20 8.05 Fog/Mist OVC007 15 15 100% 76.1 0.0
08 16:35 NW 13 6.44 Fog/Mist OVC006 15 15 100% 76.1 0.0
08 16:15 NW 15 9.66 Fog/Mist BKN008 16 15 94% 76.12 0.0
08 15:55 NW 11 8.05 Fog/Mist BKN008 16 15 94% 76.12 0.0
08 15:35 NW 13 8.05 Fog/Mist SCT008 16 15 94% 76.15 0.0
08 15:15 NW 13 8.05 Fog/Mist SCT007 16 15 94% 76.15 0.0
08 14:55 NW 15 8.05 Fog/Mist BKN007 16 15 94% 76.17 0.0
08 14:35 NW 15 8.05 Fog/Mist BKN007 16 15 94% 76.17 0.0
08 14:15 N 15 9.66 Partly Cloudy SCT007 0 0 0% 76.2 0.0
08 13:55 NW 13 8.05 Fog/Mist OVC007 16 15 94% 76.2 0.0
08 13:35 NW 13 8.05 Fog/Mist BKN007 16 15 94% 76.2 0.0
08 13:15 NW 11 11.27 Partly Cloudy SCT008 16 15 94% 76.23 0.0
08 12:55 NW 11 11.27 Mostly Cloudy BKN007 16 15 94% 76.23 0.0
08 12:35 NW 11 8.05 Fog/Mist BKN006 16 15 94% 76.23 0.0
08 12:15 Vrbl 11 8.05 Fog/Mist OVC006 16 15 94% 76.25 0.0
08 11:55 NW 9 8.05 Fog/Mist OVC006 16 15 94% 76.25 0.0
08 11:35 NW 7 8.05 Fog/Mist OVC006 15 15 100% 76.25 0.0
08 11:15 Calm 6.44 Fog/Mist OVC006 15 15 100% 76.25 0.0
08 10:55 N 7 8.05 Fog/Mist OVC005 15 15 100% 76.28 0.0
08 10:35 W 6 6.44 Fog/Mist OVC006 15 15 100% 76.28 0.0
08 10:15 NW 6 8.05 Fog/Mist OVC005 15 15 100% 76.25 0.0
08 09:55 W 7 6.44 Fog/Mist OVC005 14 14 100% 76.25 0.0
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
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)