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.
31 02:55 Calm 8.05 Fog/Mist OVC012 14 14 100% 76.25 0.0
31 02:35 Calm 8.05 Fog/Mist OVC012 14 14 100% 76.25 0.0
31 02:15 Calm 8.05 Overcast OVC011 0 0 0% 76.25 0.0
31 01:55 Calm 8.05 Fog/Mist OVC011 14 14 100% 76.25 0.0
31 01:35 Calm 8.05 Fog/Mist OVC011 13 13 100% 76.25 0.0
31 01:15 Calm 8.05 Fog/Mist OVC012 13 13 100% 76.25 0.0
31 00:55 Calm 8.05 Fog/Mist OVC012 13 13 100% 76.25 0.0
31 00:15 Calm 8.05 Fog/Mist OVC013 13 13 100% 76.28 0.0
30 23:55 Calm 8.05 Fog/Mist OVC013 13 13 100% 76.28 0.0
30 23:35 Calm 8.05 Fog/Mist OVC013 14 14 100% 76.28 0.0
30 23:15 Calm 8.05 Fog/Mist OVC013 14 14 100% 76.28 0.0
30 22:55 Calm 8.05 Fog/Mist OVC013 14 14 100% 76.28 0.0
30 22:35 Calm 8.05 Fog/Mist OVC014 14 14 100% 76.28 0.0
30 22:15 Calm 8.05 Fog/Mist OVC014 14 14 100% 76.28 0.0
30 21:55 Calm 8.05 Fog/Mist OVC015 13 13 100% 76.28 0.0
30 21:35 Calm 8.05 Fog/Mist OVC014 13 13 100% 76.28 0.0
30 21:15 Calm 6.44 Fog/Mist BKN015 14 14 100% 76.25 0.0
30 20:55 NW 6 6.44 Fog/Mist FEW015 14 14 100% 76.25 0.0
30 20:35 NW 7 4.83 Fog/Mist CLR 15 14 94% 76.25 0.0
30 20:15 NW 11 4.83 Fog/Mist CLR 15 14 94% 76.25 0.0
30 19:55 NW 13 6.44 Fog/Mist CLR 16 14 88% 76.23 0.0
30 19:35 NW 17 6.44 Fog/Mist CLR 16 14 88% 76.25 0.0
30 19:15 NW 15 6.44 Fog/Mist CLR 16 15 94% 76.23 0.0
30 18:55 NW 15 6.44 Fog/Mist CLR 17 15 88% 76.23 0.0
30 18:35 NW 17 8.05 Fair CLR 0 0 0% 76.23 0.0
30 18:15 NW 15 8.05 A Few Clouds with Haze FEW014 0 0 0% 76.23 0.0
30 17:55 NW 19 G 28 8.05 Fair with Haze CLR 17 15 88% 76.23 0.0
30 17:35 NW 17 8.05 A Few Clouds with Haze FEW015 17 15 88% 76.23 0.0
30 17:15 NW 19 G 30 8.05 A Few Clouds with Haze FEW015 17 15 88% 76.23 0.0
30 16:55 N 22 8.05 A Few Clouds with Haze FEW014 18 15 83% 76.23 0.0
30 16:35 NW 17 G 28 8.05 A Few Clouds with Haze FEW013 18 15 83% 76.23 0.0
30 16:15 NW 19 G 28 8.05 A Few Clouds with Haze FEW013 17 15 88% 76.23 0.0
30 15:55 NW 22 8.05 A Few Clouds with Haze FEW013 18 15 83% 76.23 0.0
30 15:35 N 20 8.05 Fair with Haze CLR 18 15 83% 76.23 0.0
30 15:15 NW 20 8.05 Fair with Haze CLR 18 15 83% 76.23 0.0
30 14:55 NW 15 8.05 Fair with Haze CLR 18 15 83% 76.23 0.0
30 14:35 NW 17 6.44 A Few Clouds FEW013 0 0 0% 76.25 0.0
30 14:15 NW 15 8.05 Fair with Haze CLR 18 15 83% 76.25 0.0
30 13:55 NW 15 G 26 8.05 Fair with Haze CLR 18 15 83% 76.25 0.0
30 13:35 W 17 8.05 Fair with Haze CLR 18 15 83% 76.25 0.0
30 13:15 NW 13 G 24 8.05 Fair with Haze CLR 18 15 83% 76.25 0.0
30 12:55 NW 17 8.05 Partly Cloudy with Haze SCT013 18 15 83% 76.23 0.0
30 12:35 W 15 6.44 Fog/Mist OVC013 17 15 88% 76.25 0.0
30 12:15 Vrbl 11 G 20 8.05 Fog/Mist OVC013 17 15 88% 76.25 0.0
30 11:55 Vrbl 9 8.05 Fog/Mist BKN013 17 15 88% 76.25 0.0
30 11:35 NW 9 G 20 8.05 A Few Clouds with Haze FEW013 17 15 88% 76.28 0.0
30 11:15 W 17 6.44 Fair CLR 0 0 0% 76.25 0.0
30 10:55 W 13 6.44 Fog/Mist CLR 17 15 88% 76.23 0.0
30 10:35 W 13 6.44 Fair CLR 0 0 0% 76.23 0.0
30 10:15 W 15 6.44 Fog/Mist CLR 16 15 94% 76.2 0.0
30 09:55 W 11 6.44 Fog/Mist CLR 16 15 94% 76.2 0.0
30 09:35 W 13 6.44 Fog/Mist CLR 16 15 94% 76.2 0.0
30 09:15 W 13 6.44 Fog/Mist CLR 16 15 94% 76.17 0.0
30 08:55 W 7 6.44 Fog/Mist FEW012 16 15 94% 76.17 0.0
30 08:35 Calm 6.44 Fog/Mist FEW012 15 15 100% 76.17 0.0
30 08:15 Calm 6.44 Mostly Cloudy BKN011 0 0 0% 76.17 0.0
30 07:55 Calm 4.83 Fog/Mist BKN011 15 15 100% 76.17 0.0
30 07:35 Calm 4.83 Fog/Mist BKN011 15 15 100% 76.15 0.0
30 07:15 W 7 4.83 Overcast OVC010 0 0 0% 76.17 0.0
30 06:35 Calm 4.83 Fog/Mist OVC010 14 14 100% 76.15 0.0
30 06:15 Calm 8.05 Fog/Mist OVC009 14 14 100% 76.15 0.0
30 05:55 Calm 8.05 Fog/Mist OVC009 14 14 100% 76.12 0.0
30 05:35 Calm 6.44 Fog/Mist OVC009 14 14 100% 76.1 0.0
30 05:15 Calm 6.44 Fog/Mist OVC009 14 14 100% 76.1 0.0
30 04:55 Calm 6.44 Overcast OVC008 0 0 0% 76.1 0.0
30 04:35 Calm 4.83 Fog/Mist OVC008 14 14 100% 76.1 0.0
30 04:15 NW 9 6.44 Fog/Mist OVC009 14 14 100% 76.07 0.0
30 03:55 N 9 6.44 Fog/Mist OVC008 14 14 100% 76.07 0.0
30 03:15 NW 9 6.44 Fog/Mist OVC009 14 14 100% 76.07 0.0
30 02:55 NW 9 6.44 Fog/Mist OVC009 14 14 100% 76.07 0.0
30 02:35 Vrbl 9 6.44 Fog/Mist OVC009 14 14 100% 76.07 0.0
30 02:15 NW 9 6.44 Fog/Mist OVC009 14 14 100% 76.07 0.0
30 01:55 N 9 6.44 Fog/Mist OVC010 14 14 100% 76.07 0.0
30 01:35 Vrbl 7 6.44 Fog/Mist BKN009 OVC013 14 14 100% 76.1 0.0
30 01:15 N 11 6.44 Fog/Mist OVC009 14 14 100% 76.07 0.0
30 00:55 N 15 6.44 Fog/Mist BKN009 OVC013 14 14 100% 76.1 0.0
30 00:35 N 9 6.44 Fog/Mist BKN009 OVC013 14 14 100% 76.1 0.0
30 00:15 Calm 8.05 Fog/Mist OVC010 13 13 100% 76.1 0.0
29 23:55 Calm 8.05 Fog/Mist OVC011 12 12 100% 76.1 0.0
29 23:35 Calm 8.05 Fog/Mist OVC011 12 12 100% 76.07 0.0
29 23:15 Calm 8.05 Fog/Mist OVC012 12 12 100% 76.07 0.0
29 22:55 Calm 8.05 Fog/Mist BKN012 12 12 100% 76.07 0.0
29 22:35 Calm 6.44 Fog/Mist SCT013 13 13 100% 76.07 0.0
29 22:15 Calm 6.44 Fog/Mist SCT013 13 13 100% 76.07 0.0
29 21:55 Calm 6.44 Fog/Mist OVC013 14 14 100% 76.05 0.0
29 21:35 Calm 6.44 Fog/Mist OVC012 14 14 100% 76.02 0.0
29 21:15 Calm 6.44 Fog/Mist OVC013 15 15 100% 76.02 0.0
29 20:55 Calm 4.83 Fog/Mist OVC013 14 14 100% 76.02 0.0
29 20:35 Calm 4.02 Fog/Mist OVC013 15 14 94% 76.02 0.0
29 20:15 Calm 4.83 Fog/Mist BKN013 15 14 94% 76 0.0
29 19:55 NW 7 6.44 Fog/Mist BKN013 15 15 100% 76 0.0
29 19:35 NW 9 4.83 Fog/Mist SCT013 16 15 94% 76 0.0
29 19:15 NW 11 6.44 Fog/Mist SCT013 16 15 94% 76 0.0
29 18:55 NW 13 6.44 Fog/Mist BKN013 16 15 94% 76 0.0
29 18:35 NW 15 6.44 Fog/Mist BKN013 16 15 94% 76 0.0
29 18:15 NW 17 6.44 Fog/Mist BKN013 17 15 88% 76 0.0
29 17:55 NW 17 6.44 Fog/Mist BKN013 17 15 88% 76 0.0
29 17:35 NW 17 6.44 Fog/Mist OVC013 17 15 88% 76 0.0
29 17:15 NW 19 6.44 Fog/Mist OVC013 17 15 88% 76.02 0.0
29 16:55 NW 20 8.05 Fog/Mist OVC013 17 15 88% 76.02 0.0
29 16:35 NW 19 8.05 Fog/Mist OVC013 17 15 88% 76.05 0.0
29 16:15 NW 13 6.44 Fog/Mist OVC013 17 15 88% 76.07 0.0
29 15:55 NW 17 8.05 Fog/Mist BKN013 17 15 88% 76.07 0.0
29 15:35 NW 19 G 28 8.05 Fog/Mist BKN013 17 15 88% 76.07 0.0
29 15:15 NW 15 G 28 6.44 Fog/Mist BKN013 17 15 88% 76.07 0.0
29 14:55 NW 17 6.44 Fog/Mist FEW013 17 15 88% 76.1 0.0
29 14:35 NW 15 8.05 Fog/Mist CLR 17 15 88% 76.1 0.0
29 14:15 NW 15 G 26 8.05 Fog/Mist CLR 17 15 88% 76.1 0.0
29 13:55 NW 17 8.05 Fog/Mist FEW010 17 15 88% 76.1 0.0
29 13:35 NW 15 G 24 8.05 Fog/Mist SCT007 17 15 88% 76.1 0.0
29 13:15 NW 15 6.44 Fog/Mist SCT007 0 0 0% 76.1 0.0
29 12:55 NW 19 6.44 Fog/Mist SCT007 16 15 94% 76.1 0.0
29 12:35 NW 17 6.44 Fog/Mist BKN007 16 15 94% 76.1 0.0
29 12:15 NW 15 4.83 Mostly Cloudy BKN006 0 0 0% 76.12 0.0
29 11:55 NW 15 4.83 Fog/Mist OVC006 15 15 100% 76.12 0.0
29 11:35 NW 15 4.02 Fog/Mist OVC005 15 15 100% 76.12 0.0
29 11:15 N 15 2.82 Fog/Mist OVC004 14 14 100% 76.12 0.0
29 10:35 NW 15 2.41 Fog/Mist OVC003 14 14 100% 76.1 0.0
29 10:15 NW 15 2.01 Fog/Mist OVC004 14 14 100% 76.1 0.0
29 09:55 NW 15 2.01 Fog/Mist OVC004 14 14 100% 76.1 0.0
29 09:35 NW 11 1.61 Fog/Mist SCT004 14 14 100% 76.1 0.0
29 09:15 NW 15 1.21 Fog/Mist BKN004 14 14 100% 76.07 0.0
29 08:55 NW 17 1.21 Mostly Cloudy BKN004 0 0 0% 76.07 0.0
29 08:35 NW 13 1.61 Fog/Mist OVC003 14 14 100% 76.07 0.0
29 08:15 N 11 1.21 Fog/Mist BKN004 14 14 100% 76.05 0.0
29 07:55 NW 11 1.21 Fog/Mist OVC003 14 14 100% 76.05 0.0
29 07:35 NW 9 G 19 0.80 Fog OVC003 14 14 100% 76.02 0.0
29 07:15 NW 15 2.01 Fog/Mist OVC003 14 14 100% 76.02 0.0
29 06:55 NW 13 1.61 Fog/Mist OVC004 14 14 100% 76 0.0
29 06:35 NW 11 2.82 Fog/Mist OVC005 14 14 100% 75.97 0.0
29 06:15 NW 11 6.44 Fog/Mist BKN006 OVC009 14 14 100% 75.97 0.0
29 05:55 NW 9 6.44 Fog/Mist OVC009 14 14 100% 75.97 0.0
29 05:35 NW 7 6.44 Fog/Mist OVC009 14 14 100% 75.95 0.0
29 05:15 NW 9 6.44 Fog/Mist OVC007 14 14 100% 75.95 0.0
29 04:55 NW 11 6.44 Fog/Mist OVC008 14 14 100% 75.97 0.0
29 04:35 NW 7 6.44 Fog/Mist OVC008 15 15 100% 75.95 0.0
29 04:15 NW 11 6.44 Fog/Mist OVC009 15 15 100% 75.97 0.0
29 03:55 Calm 4.83 Fog/Mist OVC007 15 15 100% 75.97 0.0
29 03:35 Calm 6.44 Fog/Mist OVC007 15 15 100% 75.97 0.0
29 03:15 N 6 8.05 Fog/Mist OVC007 15 15 100% 75.97 0.0
29 02:55 N 7 8.05 Fog/Mist OVC008 15 15 100% 75.97 0.0
29 02:35 NW 7 6.44 Fog/Mist OVC008 15 15 100% 75.97 0.0
29 02:15 NW 13 6.44 Fog/Mist OVC010 15 15 100% 75.97 0.0
29 01:55 NW 7 6.44 Fog/Mist OVC010 15 15 100% 75.95 0.0
29 01:35 NW 7 6.44 Fog/Mist OVC010 15 15 100% 75.97 0.0
29 01:15 Calm 4.83 Fog/Mist OVC010 15 15 100% 76 0.0
29 00:55 W 6 6.44 Fog/Mist OVC010 15 15 100% 76 0.0
29 00:35 NW 7 6.44 Fog/Mist OVC009 15 15 100% 76 0.0
29 00:15 NW 9 8.05 Fog/Mist OVC009 15 15 100% 76.02 0.0
28 23:55 NW 9 6.44 Fog/Mist OVC008 15 15 100% 76.02 0.0
28 23:35 Calm 6.44 Fog/Mist OVC009 15 15 100% 76.05 0.0
28 22:55 NW 9 8.05 Overcast OVC009 0 0 0% 76.05 0.0
28 22:35 NW 13 8.05 Fog/Mist OVC009 16 16 100% 76.02 0.0
28 22:15 NW 11 8.05 Fog/Mist OVC009 16 16 100% 76.05 0.0
28 21:55 NW 13 8.05 Fog/Mist OVC009 16 16 100% 76.05 0.0
28 21:35 NW 13 8.05 Fog/Mist OVC009 16 16 100% 76.02 0.0
28 21:15 NW 15 8.05 Fog/Mist OVC009 16 16 100% 76.02 0.0
28 20:55 NW 11 8.05 Fog/Mist OVC009 16 16 100% 76.02 0.0
28 20:35 NW 13 6.44 Fog/Mist OVC009 16 16 100% 76.02 0.0
28 20:15 NW 11 6.44 Fog/Mist OVC009 16 16 100% 76.02 0.0
28 19:55 NW 17 6.44 Fog/Mist OVC009 16 16 100% 76 0.0
28 19:35 NW 13 6.44 Fog/Mist OVC009 16 16 100% 76.02 0.0
28 19:15 NW 15 6.44 Fog/Mist OVC010 16 16 100% 76.02 0.0
28 18:55 NW 15 8.05 Fog/Mist BKN009 BKN013 16 16 100% 76.02 0.0
28 18:35 NW 17 8.05 Fog/Mist BKN013 16 16 100% 76.02 0.0
28 18:15 NW 13 G 22 8.05 Fog/Mist BKN012 17 16 94% 76.05 0.0
28 17:55 NW 20 8.05 Fog/Mist BKN012 17 16 94% 76.07 0.0
28 17:35 NW 13 8.05 Fog/Mist SCT012 17 16 94% 76.07 0.0
28 17:15 NW 17 G 30 8.05 Fog/Mist SCT013 17 16 94% 76.07 0.0
28 16:55 NW 15 G 24 8.05 Fog/Mist SCT013 17 16 94% 76.1 0.0
28 16:35 NW 15 G 24 8.05 A Few Clouds FEW013 0 0 0% 76.1 0.0
28 16:15 NW 20 9.66 Fog/Mist SCT013 17 16 94% 76.12 0.0
28 15:55 NW 20 9.66 Fog/Mist SCT013 17 16 94% 76.15 0.0
28 15:35 NW 19 9.66 Fog/Mist BKN013 18 16 88% 76.15 0.0
28 15:15 NW 15 G 24 8.05 Fog/Mist BKN013 17 16 94% 76.15 0.0
28 14:55 NW 20 9.66 Fog/Mist SCT012 17 16 94% 76.15 0.0
28 14:35 NW 17 G 28 9.66 Fog/Mist CLR 18 16 88% 76.17 0.0
28 14:15 NW 19 8.05 Fog/Mist CLR 17 16 94% 76.17 0.0
28 13:55 NW 17 G 28 9.66 Fog/Mist CLR 17 16 94% 76.2 0.0
28 13:35 N 22 8.05 Fog/Mist CLR 17 16 94% 76.2 0.0
28 13:15 NW 19 8.05 Fog/Mist CLR 17 16 94% 76.2 0.0
28 12:55 N 20 8.05 Fair CLR 0 0 0% 76.2 0.0
28 12:35 NW 20 G 30 8.05 Fog/Mist FEW010 17 16 94% 76.23 0.0
28 12:15 NW 24 G 33 8.05 Fair CLR 0 0 0% 76.23 0.0
28 11:55 NW 20 8.05 Fog/Mist FEW008 17 15 88% 76.23 0.0
28 11:35 NW 24 8.05 Fog/Mist FEW008 16 15 94% 76.23 0.0
28 11:15 N 19 G 30 8.05 Fog/Mist SCT008 16 15 94% 76.25 0.0
28 10:55 NW 19 G 30 6.44 Fog/Mist SCT008 SCT012 16 15 94% 76.23 0.0
28 10:35 NW 17 6.44 Fog/Mist SCT008 SCT012 16 15 94% 76.23 0.0
28 10:15 NW 17 G 26 6.44 Partly Cloudy SCT008 0 0 0% 76.23 0.0
28 09:55 NW 17 8.05 Fog/Mist BKN008 16 15 94% 76.23 0.0
28 09:35 NW 19 6.44 Fog/Mist BKN007 15 15 100% 76.23 0.0
28 09:15 NW 20 6.44 Fog/Mist BKN007 BKN012 15 15 100% 76.2 0.0
28 08:55 NW 15 6.44 Fog/Mist BKN007 15 15 100% 76.2 0.0
28 08:35 NW 17 4.83 Fog/Mist OVC007 15 15 100% 76.2 0.0
28 08:15 NW 15 6.44 Fog/Mist OVC007 15 15 100% 76.2 0.0
28 07:55 N 20 6.44 Fog/Mist OVC007 15 15 100% 76.17 0.0
28 07:35 N 15 6.44 Fog/Mist OVC007 15 15 100% 76.17 0.0
28 07:15 NW 13 G 31 6.44 Fog/Mist OVC007 15 15 100% 76.17 0.0
28 06:55 NW 20 G 31 4.83 Fog/Mist OVC006 15 15 100% 76.15 0.0
28 06:35 NW 15 4.83 Fog/Mist OVC006 15 15 100% 76.17 0.0
28 06:15 NW 19 G 31 6.44 Fog/Mist OVC006 15 15 100% 76.15 0.0
28 05:55 NW 17 8.05 Fog/Mist OVC006 15 15 100% 76.17 0.0
28 05:35 NW 13 G 24 8.05 Fog/Mist OVC007 15 15 100% 76.17 0.0
28 05:15 NW 20 8.05 Fog/Mist OVC007 15 15 100% 76.17 0.0
28 04:55 N 19 8.05 Fog/Mist OVC007 15 15 100% 76.17 0.0
28 04:35 N 19 8.05 Overcast OVC006 0 0 0% 76.15 0.0
28 04:15 N 20 G 30 6.44 Fog/Mist OVC006 15 15 100% 76.15 0.0
28 03:55 N 17 G 35 8.05 Fog/Mist OVC007 15 15 100% 76.17 0.0
28 03:35 N 17 8.05 Fog/Mist OVC007 15 15 100% 76.17 0.0
28 03:15 N 19 G 31 8.05 Fog/Mist OVC007 15 15 100% 76.17 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)