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.
26 22:55 NW 15 2.41 Fog/Mist OVC003 15 15 100% 76.2 0.0 0.03
26 22:35 NW 15 2.41 Fog/Mist OVC004 15 15 100% 76.23 0.0
26 22:15 NW 7 2.41 Fog/Mist BKN005 OVC009 15 15 100% 76.2 0.0
26 21:55 NW 7 2.82 Fog/Mist BKN004 OVC009 15 15 100% 76.2 0.0
26 21:35 NW 9 2.01 Fog/Mist OVC004 15 15 100% 76.2 0.0
26 21:15 W 7 2.41 Fog/Mist OVC004 15 15 100% 76.2 0.0
26 20:55 Calm 3.22 Fog/Mist BKN006 BKN013 15 15 100% 76.2 0.0
26 20:35 N 7 4.02 Fog/Mist BKN004 BKN009 BKN012 15 15 100% 76.17 0.0
26 20:15 NW 6 1.61 Fog/Mist OVC003 15 15 100% 76.17 0.0
26 19:55 NW 9 1.61 Fog/Mist OVC003 15 15 100% 76.2 0.0
26 19:35 NW 11 3.22 Fog/Mist OVC003 15 15 100% 76.2 0.0
26 19:15 NW 15 1.21 Fog/Mist OVC003 15 15 100% 76.17 0.0
26 18:55 NW 13 0.80 Fog OVC003 15 15 100% 76.17 0.0
26 18:35 NW 13 2.41 Fog/Mist OVC004 16 16 100% 76.17 0.0
26 18:15 NW 11 6.44 Overcast BKN005 OVC012 0 0 0% 76.2 0.0
26 17:55 NW 9 8.05 Fog/Mist BKN012 16 16 100% 76.2 0.0
26 17:35 NW 11 6.44 Fog/Mist SCT005 BKN010 16 16 100% 76.2 0.0
26 17:15 NW 13 4.83 Fog/Mist OVC005 16 16 100% 76.2 0.0
26 16:55 NW 11 6.44 Fog/Mist OVC006 16 16 100% 76.2 0.0
26 16:35 NW 13 6.44 Fog/Mist OVC005 16 16 100% 76.2 0.0
26 16:15 NW 13 6.44 Fog/Mist OVC005 16 16 100% 76.2 0.0
26 15:55 NW 11 8.05 Fog/Mist OVC005 16 16 100% 76.17 0.0
26 15:35 NW 15 9.66 Fog/Mist OVC005 16 16 100% 76.23 0.0
26 15:15 NW 13 9.66 Fog/Mist BKN004 BKN009 17 17 100% 76.23 0.0
26 14:55 W 17 8.05 Fog/Mist OVC004 17 17 100% 76.23 0.0
26 14:35 W 11 8.05 Fog/Mist OVC004 16 16 100% 76.2 0.0
26 14:15 W 11 2.01 Fog/Mist OVC004 16 16 100% 76.23 0.0
26 13:55 W 9 2.01 Fog/Mist OVC005 16 16 100% 76.25 0.0
26 13:35 Vrbl 7 11.27 Overcast OVC005 16 16 100% 76.23 0.0
26 13:15 W 9 12.87 Overcast OVC006 17 16 94% 76.23 0.0
26 12:55 W 11 11.27 Overcast OVC005 16 16 100% 76.2 0.0
26 12:35 W 9 12.87 Overcast OVC005 16 16 100% 76.2 0.0
26 12:15 W 11 11.27 Overcast OVC004 0 0 0% 76.23 0.0
26 11:55 W 11 8.05 Fog/Mist OVC004 16 16 100% 76.2 0.0
26 11:15 NW 9 2.82 Fog/Mist OVC004 0 0 0% 76.2 0.0
26 10:55 NW 13 1.21 Fog/Mist OVC004 15 15 100% 76.17 0.0
26 10:35 NW 19 8.05 Fog/Mist BKN005 BKN008 BKN013 0 0 0% 76.17 0.0
26 10:15 NW 15 8.05 Fog/Mist SCT007 BKN012 15 15 100% 76.15 0.0
26 09:55 NW 15 9.66 Fog/Mist FEW009 BKN013 BKN018 15 15 100% 76.15 0.0
26 09:35 NW 19 11.27 Overcast OVC016 16 15 94% 76.15 0.0
26 09:15 NW 19 G 28 9.66 Fog/Mist OVC015 15 15 100% 76.15 0.0
26 08:55 NW 17 9.66 Fog/Mist OVC014 16 15 94% 76.12 0.0
26 08:35 NW 9 8.05 Fog/Mist FEW010 OVC014 15 15 100% 76.12 0.0
26 08:15 NW 15 9.66 Fog/Mist SCT010 OVC015 15 15 100% 76.1 0.0
26 07:55 NW 17 9.66 Fog/Mist BKN009 OVC013 14 14 100% 76.1 0.0
26 07:35 NW 19 8.05 Fog/Mist BKN009 OVC013 14 14 100% 76.1 0.0
26 07:15 NW 13 9.66 Fog/Mist BKN009 OVC013 14 14 100% 76.07 0.0
26 06:55 NW 15 8.05 Fog/Mist OVC011 14 14 100% 76.05 0.0
26 06:15 NW 15 4.83 Fog/Mist BKN008 OVC012 13 13 100% 76.02 0.0
26 05:55 NW 13 9.66 Fog/Mist BKN009 OVC013 13 13 100% 76.02 0.0
26 05:35 NW 17 4.83 Fog/Mist SCT008 OVC013 13 13 100% 76.02 0.0
26 05:15 NW 15 G 24 4.02 Fog/Mist OVC012 13 13 100% 76.02 0.0
26 04:55 NW 20 6.44 Fog/Mist BKN010 OVC014 14 14 100% 76.02 0.0
26 04:35 NW 19 11.27 Overcast OVC012 14 14 100% 76.02 0.0
26 04:15 NW 20 9.66 Fog/Mist OVC011 14 14 100% 76.02 0.0
26 03:55 NW 17 G 26 12.87 Overcast OVC012 14 13 94% 76.02 0.0
26 03:35 NW 13 G 22 11.27 Overcast OVC012 14 13 94% 76.02 0.0
26 03:15 NW 17 11.27 Overcast OVC014 13 13 100% 76.02 0.0
26 02:55 NW 15 9.66 Fog/Mist OVC013 13 13 100% 76.02 0.0
26 02:35 NW 17 8.05 Overcast OVC011 0 0 0% 76.02 0.0
26 02:15 NW 17 11.27 Overcast OVC011 13 13 100% 76.05 0.0
26 01:55 NW 17 9.66 Fog/Mist OVC012 14 13 94% 76.05 0.0
26 01:35 NW 13 9.66 Fog/Mist OVC012 13 13 100% 76.05 0.0
26 01:15 NW 13 9.66 Fog/Mist OVC012 13 13 100% 76.07 0.0
26 00:55 NW 17 11.27 Overcast OVC014 13 13 100% 76.07 0.0
26 00:35 NW 20 9.66 Fog/Mist OVC013 13 13 100% 76.07 0.0
26 00:15 NW 17 9.66 Fog/Mist OVC014 13 13 100% 76.07 0.0
25 23:55 NW 19 8.05 Fog/Mist NULL 14 13 94% 76.07 0.0
25 23:35 NW 11 9.66 NULL NULL 0 0 0% 76.07 0.0
25 23:15 NW 15 9.66 Fog/Mist BKN014 OVC020 13 13 100% 76.07 0.0
25 22:55 NW 13 9.66 Fog/Mist OVC014 13 13 100% 76.07 0.0
25 22:35 NW 11 9.66 Fog/Mist BKN014 OVC018 14 13 94% 76.07 0.0
25 22:15 NW 15 9.66 Fog/Mist OVC017 14 13 94% 76.07 0.0
25 21:55 NW 20 9.66 Fog/Mist OVC015 14 13 94% 76.07 0.0
25 21:35 NW 20 9.66 Fog/Mist OVC015 14 13 94% 76.07 0.0
25 21:15 NW 13 9.66 Fog/Mist OVC015 14 13 94% 76.07 0.0
25 20:55 NW 15 9.66 Fog/Mist OVC015 13 13 100% 76.05 0.0
25 20:35 W 15 4.83 Fog/Mist OVC013 14 13 94% 76.05 0.0
25 20:15 NW 9 8.05 Fog/Mist BKN013 OVC017 14 13 94% 76.05 0.0
25 19:55 W 9 8.05 Fog/Mist BKN014 14 13 94% 76.05 0.0
25 19:35 NW 11 8.05 Fog/Mist BKN015 14 13 94% 76.05 0.0
25 19:15 W 13 8.05 Fog/Mist BKN015 0 0 0% 76.05 0.0
25 18:55 NW 13 8.05 Fog/Mist BKN014 14 13 94% 76.05 0.0
25 18:35 NW 15 8.05 Fog/Mist OVC014 14 13 94% 76.05 0.0
25 18:15 W 9 6.44 Fog/Mist OVC014 15 13 88% 76.05 0.0
25 17:55 NW 13 8.05 Fog/Mist BKN015 15 13 88% 76.05 0.0
25 17:35 NW 19 8.05 Mostly Cloudy BKN012 0 0 0% 76.07 0.0
25 17:15 NW 17 8.05 Fog/Mist BKN009 BKN012 14 13 94% 76.07 0.0
25 16:55 NW 13 9.66 Fog/Mist SCT008 BKN013 15 14 94% 76.07 0.0
25 16:35 NW 17 8.05 Fog/Mist FEW009 OVC013 15 14 94% 76.07 0.0
25 16:15 NW 13 12.87 Overcast OVC013 16 14 88% 76.05 0.0
25 15:55 NW 11 11.27 Overcast OVC013 15 14 94% 76.07 0.0
25 15:35 W 13 14.48 Overcast OVC013 15 14 94% 76.07 0.0
25 15:15 W 15 12.87 Overcast OVC013 15 14 94% 76.07 0.0
25 14:55 W 15 12.87 Overcast OVC014 16 14 88% 76.07 0.0
25 14:35 W 17 12.87 Overcast OVC014 16 14 88% 76.07 0.0
25 14:15 W 17 9.66 Fog/Mist NULL 16 15 94% 76.07 0.0
25 13:55 W 15 8.05 Fog/Mist BKN013 16 15 94% 76.07 0.0
25 13:35 W 13 6.44 Fog/Mist FEW008 SCT013 16 14 88% 76.1 0.0
25 13:15 W 11 4.83 Fog/Mist NULL 15 15 100% 76.1 0.0
25 12:55 S 7 0.00 NULL NULL 15 15 100% 76.1 0.0
25 12:35 S 11 12.87 NULL NULL 16 15 94% 76.1 0.0
25 12:15 S 11 11.27 Mostly Cloudy SCT009 BKN014 0 0 0% 76.1 0.0
25 11:55 S 13 9.66 Fog/Mist SCT008 BKN013 0 0 0% 76.1 0.0
25 11:35 S 13 11.27 Mostly Cloudy BKN008 BKN013 15 15 100% 76.1 0.0
25 11:15 S 11 8.05 Fog/Mist BKN007 BKN013 15 15 100% 76.1 0.0
25 10:55 S 13 9.66 Fog/Mist OVC007 15 15 100% 76.1 0.0
25 10:15 S 15 6.44 Fog/Mist OVC008 14 14 100% 76.1 0.0
25 09:55 S 15 8.05 Fog/Mist OVC008 14 14 100% 76.1 0.0
25 09:35 S 11 4.83 Fog/Mist OVC007 14 14 100% 76.1 0.0
25 09:15 S 13 6.44 Fog/Mist OVC008 14 14 100% 76.1 0.0
25 08:55 S 13 8.05 Fog/Mist OVC008 14 14 100% 76.1 0.0
25 08:35 S 11 6.44 Fog/Mist BKN009 BKN013 14 14 100% 76.07 0.0
25 08:15 S 13 8.05 Fog/Mist BKN011 14 14 100% 76.07 0.0
25 07:55 S 15 11.27 Overcast OVC011 14 14 100% 76.07 0.0
25 07:35 SE 15 6.44 Fog/Mist OVC009 14 14 100% 76.05 0.0
25 07:15 S 15 6.44 Fog/Mist OVC009 14 14 100% 76.05 0.0
25 06:55 S 13 8.05 Fog/Mist OVC008 14 14 100% 76.05 0.0
25 06:35 S 9 6.44 Fog/Mist OVC008 13 13 100% 76.07 0.0
25 06:15 S 9 11.27 Overcast OVC008 13 13 100% 76.07 0.0
25 05:55 S 9 8.05 Fog/Mist OVC008 13 13 100% 76.05 0.0
25 05:35 S 11 11.27 Overcast OVC008 13 13 100% 76.05 0.0
25 05:15 S 9 11.27 Overcast OVC008 13 13 100% 76.05 0.0
25 04:55 S 7 11.27 Overcast OVC008 13 13 100% 76.05 0.0
25 04:35 S 7 11.27 Overcast OVC008 0 0 0% 76.05 0.0
25 04:15 S 13 8.05 Fog/Mist OVC008 13 13 100% 76.05 0.0
25 03:55 S 7 8.05 Fog/Mist OVC008 13 13 100% 76.07 0.0
25 03:35 S 7 9.66 Fog/Mist OVC008 13 13 100% 76.07 0.0
25 03:15 Calm 8.05 Fog/Mist OVC007 13 13 100% 76.07 0.0
25 02:55 S 7 8.05 Fog/Mist OVC007 13 13 100% 76.1 0.0
25 02:35 W 6 9.66 Fog/Mist OVC006 13 13 100% 76.1 0.0
25 01:55 Calm 8.05 Fog/Mist OVC006 13 13 100% 76.12 0.0
25 01:35 Calm 9.66 Overcast OVC007 0 0 0% 76.12 0.0
25 01:15 W 7 8.05 Fog/Mist OVC006 13 13 100% 76.12 0.0
25 00:55 W 7 9.66 Fog/Mist OVC007 13 13 100% 76.15 0.0
25 00:35 Vrbl 6 9.66 Fog/Mist OVC007 13 13 100% 76.15 0.0
25 00:15 W 11 11.27 Overcast OVC007 13 13 100% 76.17 0.0
24 23:55 W 9 9.66 Fog/Mist OVC008 13 13 100% 76.17 0.0
24 23:35 W 11 11.27 Overcast OVC007 13 13 100% 76.17 0.0
24 23:15 Calm 12.87 Overcast OVC008 14 14 100% 76.17 0.0
24 22:55 W 6 11.27 Overcast OVC008 14 14 100% 76.17 0.0
24 22:35 Calm 12.87 Overcast OVC008 14 14 100% 76.17 0.0
24 22:15 W 9 12.87 Overcast OVC009 14 14 100% 76.17 0.0
24 21:55 Calm 14.48 Overcast OVC009 0 0 0% 76.17 0.0
24 21:35 W 7 12.87 Overcast OVC009 14 13 94% 76.15 0.0
24 21:15 Calm 14.48 Overcast OVC009 14 13 94% 76.15 0.0
24 20:55 W 13 12.87 Overcast OVC009 14 14 100% 76.15 0.0
24 20:35 W 7 12.87 Overcast OVC009 14 14 100% 76.15 0.0
24 20:15 W 7 11.27 Overcast OVC009 14 14 100% 76.15 0.0
24 19:55 W 9 12.87 Overcast OVC010 14 14 100% 76.15 0.0
24 19:35 W 7 9.66 Fog/Mist OVC010 14 14 100% 76.15 0.0
24 19:15 W 6 8.05 Fog/Mist OVC011 14 14 100% 76.15 0.0
24 18:55 NW 9 8.05 Fog/Mist FEW006 OVC012 15 15 100% 76.15 0.0
24 18:35 W 9 9.66 Fog/Mist OVC012 15 14 94% 76.15 0.0
24 18:15 SW 7 8.05 Fog/Mist OVC012 15 15 100% 76.15 0.0
24 17:55 W 9 9.66 Fog/Mist OVC013 15 15 100% 76.17 0.0
24 17:35 W 7 11.27 Overcast OVC013 15 14 94% 76.17 0.0
24 17:15 W 11 11.27 Overcast OVC013 0 0 0% 76.17 0.0
24 16:55 Vrbl 9 11.27 Overcast OVC013 16 15 94% 76.2 0.0
24 16:35 W 11 12.87 Overcast OVC012 15 15 100% 76.2 0.0
24 16:15 W 11 9.66 Fog/Mist OVC014 16 15 94% 76.23 0.0
24 15:55 W 13 11.27 Overcast OVC014 16 15 94% 76.23 0.0
24 15:35 W 13 12.87 Overcast OVC014 16 15 94% 76.23 0.0
24 15:15 SW 13 12.87 Overcast OVC013 16 14 88% 76.25 0.0
24 14:55 SW 11 12.87 Overcast OVC013 16 14 88% 76.25 0.0
24 14:35 W 13 12.87 Overcast BKN013 OVC018 16 14 88% 76.25 0.0
24 14:15 SW 13 14.48 Overcast OVC016 17 14 83% 76.25 0.0
24 13:55 SW 13 14.48 Overcast OVC018 17 14 83% 76.25 0.0
24 13:35 SW 13 14.48 Overcast OVC017 17 14 83% 76.28 0.0
24 13:15 SW 13 14.48 Overcast OVC017 17 14 83% 76.3 0.0
24 12:55 SW 13 14.48 Overcast OVC017 16 14 88% 76.3 0.0
24 12:35 SW 15 14.48 Overcast OVC016 16 14 88% 76.3 0.0
24 12:15 S 13 12.87 Overcast OVC013 16 13 83% 76.33 0.0
24 11:55 Vrbl 11 G 20 14.48 Overcast OVC013 15 13 88% 76.33 0.0
24 11:35 S 9 14.48 Overcast OVC013 15 13 88% 76.33 0.0
24 11:15 S 13 12.87 Overcast OVC013 0 0 0% 76.33 0.0
24 10:55 S 9 12.87 Overcast OVC013 15 13 88% 76.33 0.0
24 10:35 S 7 12.87 Overcast OVC013 14 13 94% 76.33 0.0
24 10:15 SW 9 12.87 Overcast OVC013 14 13 94% 76.33 0.0
24 09:55 SW 9 12.87 Overcast OVC013 14 13 94% 76.33 0.0
24 09:35 S 11 12.87 Overcast OVC012 14 13 94% 76.33 0.0
24 09:15 S 13 12.87 Overcast OVC012 14 13 94% 76.3 0.0
24 08:55 S 9 12.87 Overcast OVC012 0 0 0% 76.33 0.0
24 08:35 SW 7 11.27 Overcast OVC011 13 13 100% 76.3 0.0
24 08:15 S 9 12.87 Overcast OVC010 13 13 100% 76.3 0.0
24 07:55 W 7 12.87 Overcast OVC009 13 13 100% 76.3 0.0
24 07:35 S 11 14.48 Overcast OVC009 13 13 100% 76.28 0.0
24 07:15 Vrbl 6 12.87 Overcast OVC009 13 13 100% 76.28 0.0
24 06:55 Calm 12.87 Overcast OVC009 13 13 100% 76.28 0.0
24 06:35 S 7 12.87 Overcast OVC009 13 13 100% 76.28 0.0
24 06:15 S 9 11.27 Overcast OVC009 13 13 100% 76.28 0.0
24 05:55 Vrbl 6 12.87 Overcast OVC008 13 13 100% 76.28 0.0
24 05:35 SW 9 12.87 Overcast OVC009 13 13 100% 76.28 0.0
24 05:15 S 7 12.87 Overcast OVC008 13 13 100% 76.25 0.0
24 04:55 Calm 14.48 Overcast OVC008 13 13 100% 76.25 0.0
24 04:35 SW 7 14.48 Overcast OVC009 13 13 100% 76.28 0.0
24 04:15 SW 11 14.48 Overcast OVC009 0 0 0% 76.25 0.0
24 03:55 Calm 12.87 Overcast OVC008 13 13 100% 76.28 0.0
24 03:35 Calm 11.27 Overcast OVC007 13 13 100% 76.28 0.0
24 03:15 Calm 12.87 Overcast OVC007 13 13 100% 76.28 0.0
24 02:55 Calm 12.87 Overcast OVC007 13 13 100% 76.28 0.0
24 02:35 S 7 11.27 Overcast OVC007 13 13 100% 76.28 0.0
24 01:55 Calm 12.87 Overcast OVC006 12 12 100% 76.28 0.0
24 01:15 Calm 11.27 Overcast OVC006 13 13 100% 76.3 0.0
24 00:55 SW 6 11.27 Overcast OVC006 13 13 100% 76.3 0.0
24 00:35 Calm 12.87 Overcast OVC006 13 13 100% 76.28 0.0
24 00:15 Calm 11.27 Overcast OVC006 13 13 100% 76.28 0.0
23 23:55 Calm 12.87 Overcast OVC006 0 0 0% 76.3 0.0
23 23:35 Calm 12.87 Overcast OVC006 13 13 100% 76.3 0.0
23 23:15 Calm 14.48 Overcast OVC007 13 13 100% 76.3 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)