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
Imperial (Metric)
Date Time (pdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
29 23:55 S 7 0.25 Fog OVC002 51.8 51.8 100% 29.94 0.0
29 23:35 S 8 0.50 Fog OVC002 53.6 53.6 100% 29.94 0.0
29 23:15 S 8 0.25 Fog OVC002 53.6 53.6 100% 29.94 0.0
29 22:55 S 8 0.25 Fog OVC002 53.6 53.6 100% 29.94 0.0
29 22:35 S 8 0.50 Fog OVC002 53.6 53.6 100% 29.94 0.0
29 22:15 S 7 0.25 Fog OVC002 53.6 53.6 100% 29.94 0.0
29 21:55 S 7 0.50 Fog OVC002 53.6 53.6 100% 29.93 0.0
29 21:35 S 7 0.50 Fog OVC002 53.6 53.6 100% 29.93 0.0
29 21:15 S 6 0.75 Fog/Mist OVC002 53.6 53.6 100% 29.93 0.0
29 20:55 S 8 1.25 Fog/Mist OVC002 53.6 53.6 100% 29.93 0.0
29 20:35 S 9 1.00 Fog/Mist OVC003 53.6 53.6 100% 29.93 0.0
29 20:15 S 8 1.75 Fog/Mist OVC003 53.6 53.6 100% 29.93 0.0
29 19:55 S 7 2.00 Fog/Mist OVC003 53.6 53.6 100% 29.93 0.0
29 19:35 S 8 1.25 Fog/Mist OVC003 53.6 53.6 100% 29.93 0.0
29 19:15 S 8 1.25 Fog/Mist OVC003 53.6 53.6 100% 29.93 0.0
29 18:55 SE 8 1.00 Fog/Mist OVC003 55.4 55.4 100% 29.93 0.0
29 18:35 S 6 1.25 Fog/Mist OVC003 55.4 55.4 100% 29.93 0.0
29 18:15 S 7 0.75 Fog/Mist OVC003 55.4 55.4 100% 29.93 0.0
29 17:55 S 8 1.25 Fog/Mist OVC003 55.4 55.4 100% 29.93 0.0
29 17:35 S 8 1.50 Fog/Mist OVC003 55.4 55.4 100% 29.94 0.0
29 17:15 SE 7 1.50 Fog/Mist OVC003 55.4 55.4 100% 29.95 0.0
29 16:55 SE 8 1.75 Fog/Mist OVC003 55.4 55.4 100% 29.95 0.0
29 16:35 S 9 1.50 Fog/Mist OVC003 57.2 55.4 94% 29.95 0.0
29 16:15 SE 9 1.25 Fog/Mist OVC003 57.2 55.4 94% 29.96 0.0
29 15:55 SE 9 2.50 Fog/Mist OVC004 59 55.4 88% 29.96 0.0
29 15:35 SE 9 1.00 Fog/Mist OVC003 57.2 55.4 94% 29.97 0.0
29 15:15 S 9 4.00 Fog/Mist BKN004 57.2 55.4 94% 29.97 0.0
29 14:55 S 10 3.00 Fog/Mist BKN004 57.2 53.6 88% 29.97 0.0
29 14:35 S 9 4.00 Fog/Mist BKN003 57.2 55.4 94% 29.98 0.0
29 14:15 S 9 4.00 Fog/Mist SCT004 57.2 53.6 88% 29.98 0.0
29 13:55 S 10 1.50 Fog/Mist BKN004 55.4 53.6 94% 29.99 0.0
29 13:35 SE 9 8.00 Partly Cloudy SCT004 57.2 55.4 94% 29.99 0.0
29 13:15 S 9 9.00 Partly Cloudy SCT004 55.4 53.6 94% 29.99 0.0
29 12:55 S 9 6.00 Fog/Mist SCT004 57.2 53.6 88% 30 0.0
29 12:35 S 10 3.00 Fog/Mist SCT004 57.2 53.6 88% 30 0.0
29 12:15 S 10 2.50 Fog/Mist FEW003 57.2 53.6 88% 30 0.0
29 11:55 S 10 8.00 Fair CLR 57.2 53.6 88% 29.99 0.0
29 11:35 S 10 9.00 Fair CLR 57.2 53.6 88% 29.99 0.0
29 11:15 S 8 9.00 Fair CLR 57.2 53.6 88% 29.99 0.0
29 10:55 S 9 9.00 A Few Clouds FEW005 55.4 53.6 94% 29.99 0.0
29 10:35 SE 8 9.00 Mostly Cloudy BKN006 55.4 53.6 94% 29.99 0.0
29 10:15 SE 10 9.00 Mostly Cloudy BKN005 53.6 53.6 100% 29.99 0.0
29 09:55 SE 8 7.00 Overcast OVC003 53.6 53.6 100% 29.99 0.0
29 09:35 SE 10 2.00 Fog/Mist OVC003 51.8 51.8 100% 30 0.0
29 09:15 S 10 1.50 Fog/Mist OVC003 51.8 51.8 100% 30 0.0
29 08:55 SE 8 0.75 Fog/Mist OVC003 51.8 51.8 100% 30 0.0
29 08:35 SE 8 1.00 Fog/Mist OVC003 51.8 51.8 100% 29.99 0.0
29 08:15 SE 8 0.75 Fog/Mist OVC003 51.8 51.8 100% 29.99 0.0
29 07:55 SE 8 0.75 Fog/Mist OVC003 51.8 51.8 100% 29.99 0.0
29 07:35 SE 8 0.50 Fog OVC003 50 50 100% 47 29.98 0.0
29 07:15 SE 8 0.50 Fog/Mist OVC003 50 50 100% 47 29.98 0.0
29 06:55 SE 7 0.50 Fog OVC002 50 50 100% 48 29.97 0.0
29 06:35 SE 9 0.25 Fog OVC002 50 50 100% 47 29.97 0.0
29 06:15 SE 8 0.15 Fog OVC002 50 50 100% 47 29.97 0.0
29 05:55 SE 6 0.75 Fog/Mist OVC002 50 50 100% 48 29.96 0.0
29 05:35 SE 7 0.50 Fog OVC002 50 50 100% 48 29.96 0.0
29 05:15 SE 6 0.50 Fog/Mist OVC002 50 50 100% 48 29.96 0.0
29 04:55 S 7 0.50 Fog OVC002 50 50 100% 48 29.95 0.0
29 04:35 S 6 0.50 Fog/Mist OVC002 50 50 100% 48 29.95 0.0
29 03:55 S 7 0.50 Fog/Mist OVC002 51.8 51.8 100% 29.95 0.0
29 03:35 SE 6 0.50 Fog OVC002 51.8 51.8 100% 29.95 0.0
29 03:15 S 8 0.25 Fog OVC002 51.8 51.8 100% 29.95 0.0
29 02:55 S 9 0.50 Fog OVC002 51.8 51.8 100% 29.95 0.0
29 02:35 S 8 0.75 Fog/Mist OVC002 51.8 51.8 100% 29.96 0.0
29 02:15 SE 8 0.50 Fog/Mist OVC002 51.8 51.8 100% 29.96 0.0
29 01:55 S 8 0.25 Fog OVC002 51.8 51.8 100% 29.97 0.0
29 01:35 S 9 0.25 Fog OVC002 51.8 51.8 100% 29.97 0.0
29 01:15 S 8 0.25 Fog OVC002 51.8 51.8 100% 29.97 0.0
29 00:55 S 9 0.25 Fog OVC002 51.8 51.8 100% 29.97 0.0
29 00:35 S 9 0.25 Fog OVC002 51.8 51.8 100% 29.97 0.0
29 00:15 S 10 0.25 Fog OVC002 51.8 51.8 100% 29.97 0.0
28 23:55 S 9 0.25 Fog OVC002 51.8 51.8 100% 29.97 0.0
28 23:35 SE 8 0.50 Fog OVC002 51.8 51.8 100% 29.97 0.0
28 23:15 SE 9 0.50 Fog OVC002 51.8 51.8 100% 29.97 0.0
28 22:55 S 9 0.50 Fog/Mist OVC002 51.8 51.8 100% 29.97 0.0
28 22:35 S 9 0.50 Fog OVC002 51.8 51.8 100% 29.96 0.0
28 22:15 S 8 0.25 Fog OVC002 51.8 51.8 100% 29.96 0.0
28 21:55 SE 8 0.50 Fog OVC002 51.8 51.8 100% 29.96 0.0
28 21:35 SE 10 0.50 Fog OVC002 51.8 51.8 100% 29.95 0.0
28 21:15 S 9 0.25 Fog OVC002 51.8 51.8 100% 29.95 0.0
28 20:55 SE 10 0.25 Fog OVC002 51.8 51.8 100% 29.95 0.0
28 20:35 SE 8 0.25 Fog OVC002 51.8 51.8 100% 29.95 0.0
28 20:15 SE 10 0.15 Fog OVC002 51.8 51.8 100% 29.95 0.0
28 19:55 SE 10 0.25 Fog OVC002 53.6 53.6 100% 29.96 0.0
28 19:35 S 12 0.25 Fog OVC002 53.6 53.6 100% 29.95 0.0
28 19:15 S 9 0.25 Fog OVC002 53.6 53.6 100% 29.95 0.0
28 18:55 S 12 0.25 Fog OVC002 53.6 53.6 100% 29.95 0.0
28 18:15 SE 13 0.50 Fog OVC002 55.4 55.4 100% 29.95 0.0
28 17:55 SE 12 0.50 Fog OVC002 55.4 55.4 100% 29.96 0.0
28 17:35 SE 12 1.00 Fog/Mist OVC003 55.4 55.4 100% 29.96 0.0
28 17:15 S 12 0.75 Fog/Mist OVC003 55.4 55.4 100% 29.97 0.0
28 16:55 SE 10 1.00 Fog/Mist OVC003 55.4 55.4 100% 29.98 0.0
28 16:35 S 9 1.00 Fog/Mist OVC003 57.2 55.4 94% 29.98 0.0
28 16:15 S 13 1.25 Fog/Mist BKN002 BKN007 57.2 55.4 94% 29.98 0.0
28 15:55 S 13 1.50 Fog/Mist BKN003 BKN007 57.2 55.4 94% 29.99 0.0
28 15:35 S 13 1.50 Fog/Mist OVC004 57.2 55.4 94% 29.99 0.0
28 15:15 S 12 1.25 Fog/Mist OVC003 57.2 55.4 94% 29.99 0.0
28 14:55 S 13 0.75 Fog/Mist OVC003 57.2 55.4 94% 29.99 0.0
28 14:35 S 13 1.00 Fog/Mist BKN003 57.2 55.4 94% 29.99 0.0
28 14:15 S 12 1.25 Fog/Mist SCT003 59 55.4 88% 30 0.0
28 13:55 S 12 1.25 Fog/Mist SCT003 57.2 55.4 94% 30 0.0
28 13:35 S 14 1.50 Fog/Mist SCT003 57.2 55.4 94% 30 0.0
28 13:15 S 13 G 18 1.75 Fog/Mist SCT003 57.2 55.4 94% 30 0.0
28 12:55 S 14 1.75 Fog/Mist SCT003 57.2 55.4 94% 30.01 0.0
28 12:35 S 14 1.00 Fog/Mist SCT003 57.2 55.4 94% 30.01 0.0
28 12:15 S 13 5.00 Fog/Mist SCT003 57.2 55.4 94% 30 0.0
28 11:55 S 14 3.00 Fog/Mist BKN003 BKN006 55.4 55.4 100% 30 0.0
28 11:35 S 15 9.00 Mostly Cloudy BKN004 55.4 53.6 94% 30 0.0
28 11:15 S 15 2.50 Fog/Mist BKN004 55.4 53.6 94% 30 0.0
28 10:55 S 15 9.00 Overcast OVC003 55.4 53.6 94% 30 0.0
28 10:35 S 15 3.00 Fog/Mist OVC003 55.4 55.4 100% 30 0.0
28 10:15 S 12 1.25 Fog/Mist OVC003 55.4 55.4 100% 29.99 0.0
28 09:55 S 10 1.25 Fog/Mist OVC003 53.6 53.6 100% 29.99 0.0
28 09:35 S 9 1.00 Fog/Mist OVC003 53.6 53.6 100% 29.99 0.0
28 09:15 SE 12 3.00 Fog/Mist OVC003 53.6 53.6 100% 29.99 0.0
28 08:55 S 13 4.00 Fog/Mist OVC003 53.6 53.6 100% 29.99 0.0
28 08:35 S 12 1.50 Fog/Mist OVC003 53.6 53.6 100% 29.98 0.0
28 08:15 SE 10 0.75 Fog/Mist OVC002 51.8 51.8 100% 29.98 0.0
28 07:55 S 9 0.50 Fog OVC002 51.8 51.8 100% 29.98 0.0
28 07:35 SE 12 0.25 Fog OVC002 51.8 51.8 100% 29.97 0.0
28 07:15 S 10 0.25 Fog OVC002 51.8 51.8 100% 29.97 0.0
28 06:55 S 10 0.25 Fog OVC002 51.8 51.8 100% 29.96 0.0
28 06:35 SE 10 0.50 Fog OVC002 51.8 51.8 100% 29.95 0.0
28 06:15 S 9 0.75 Fog/Mist OVC003 51.8 51.8 100% 29.95 0.0
28 05:55 SE 10 6.00 Fog/Mist OVC003 51.8 51.8 100% 29.95 0.0
28 05:35 SE 9 1.25 Fog/Mist OVC002 51.8 51.8 100% 29.95 0.0
28 05:15 SE 7 G 14 1.25 Fog/Mist OVC003 51.8 51.8 100% 29.95 0.0
28 04:55 S 12 3.00 Fog/Mist OVC003 51.8 51.8 100% 29.94 0.0
28 04:35 S 10 3.00 Fog/Mist OVC003 51.8 51.8 100% 29.94 0.0
28 04:15 SE 10 1.50 Fog/Mist OVC003 51.8 51.8 100% 29.94 0.0
28 03:55 SE 12 2.00 Fog/Mist OVC002 51.8 51.8 100% 29.94 0.0
28 03:35 S 10 0.75 Fog/Mist OVC002 51.8 51.8 100% 29.93 0.0
28 03:15 SE 9 1.50 Fog/Mist OVC002 53.6 53.6 100% 29.93 0.0
28 02:55 S 9 3.00 Fog/Mist OVC003 53.6 53.6 100% 29.93 0.0
28 02:35 S 10 2.00 Fog/Mist OVC003 53.6 53.6 100% 29.93 0.0
28 02:15 SE 10 2.00 Fog/Mist OVC003 53.6 53.6 100% 29.93 0.0
28 01:55 SE 10 2.50 Fog/Mist OVC003 53.6 53.6 100% 29.93 0.0
28 01:35 SE 8 3.00 Fog/Mist OVC003 53.6 53.6 100% 29.94 0.0
28 01:15 SE 9 2.00 Fog/Mist OVC003 53.6 53.6 100% 29.93 0.0
28 00:55 S 8 2.50 Fog/Mist OVC003 53.6 53.6 100% 29.94 0.0
28 00:35 SE 8 2.50 Fog/Mist OVC003 53.6 53.6 100% 29.94 0.0
28 00:15 SE 9 2.00 Fog/Mist OVC003 53.6 53.6 100% 29.94 0.0
27 23:55 SE 9 3.00 Fog/Mist OVC003 53.6 53.6 100% 29.95 0.0
27 23:35 SE 7 4.00 Fog/Mist OVC003 53.6 53.6 100% 29.95 0.0
27 23:15 S 8 3.00 Fog/Mist OVC004 53.6 53.6 100% 29.95 0.0
27 22:55 S 6 4.00 Fog/Mist OVC004 53.6 53.6 100% 29.95 0.0
27 22:35 S 6 5.00 Fog/Mist OVC005 53.6 53.6 100% 29.96 0.0
27 22:15 SE 5 5.00 Fog/Mist OVC005 53.6 53.6 100% 29.96 0.0
27 21:55 Calm 5.00 Fog/Mist OVC006 53.6 53.6 100% 29.95 0.0
27 21:15 SW 5 6.00 Fog/Mist OVC007 55.4 53.6 94% 29.95 0.0
27 20:55 Calm 5.00 Fog/Mist OVC007 55.4 53.6 94% 29.95 0.0
27 20:35 W 3 4.00 Fog/Mist OVC007 55.4 55.4 100% 29.95 0.0
27 20:15 Calm 4.00 Fog/Mist OVC008 55.4 55.4 100% 29.95 0.0
27 19:55 Calm 4.00 Fog/Mist OVC008 55.4 55.4 100% 29.95 0.0
27 19:35 NW 5 4.00 Fog/Mist OVC008 55.4 55.4 100% 29.95 0.0
27 19:15 NW 6 5.00 Fog/Mist OVC008 55.4 55.4 100% 29.95 0.0
27 18:55 Vrbl 5 5.00 Fog/Mist OVC006 55.4 55.4 100% 29.95 0.0
27 18:35 N 7 4.00 Fog/Mist OVC006 55.4 55.4 100% 29.95 0.0
27 18:15 NW 8 4.00 Fog/Mist OVC006 55.4 55.4 100% 29.95 0.0
27 17:55 N 9 5.00 Fog/Mist OVC007 55.4 55.4 100% 29.96 0.0
27 17:35 N 9 5.00 Fog/Mist OVC007 57.2 55.4 94% 29.96 0.0
27 17:15 N 9 5.00 Fog/Mist OVC007 57.2 55.4 94% 29.96 0.0
27 16:55 NW 9 5.00 Fog/Mist BKN007 57.2 55.4 94% 29.96 0.0
27 16:35 NW 12 5.00 Fog/Mist BKN007 57.2 55.4 94% 29.96 0.0
27 16:15 NW 13 5.00 Fog/Mist BKN007 59 55.4 88% 29.96 0.0
27 15:55 NW 14 5.00 Fog/Mist BKN007 59 55.4 88% 29.96 0.0
27 15:35 NW 10 5.00 Fog/Mist BKN007 59 55.4 88% 29.96 0.0
27 15:15 NW 12 6.00 Fog/Mist SCT006 59 55.4 88% 29.97 0.0
27 14:55 NW 13 5.00 Fog/Mist CLR 59 55.4 88% 29.97 0.0
27 14:35 NW 10 6.00 Fog/Mist CLR 59 55.4 88% 29.97 0.0
27 14:15 NW 13 6.00 Fog/Mist CLR 59 55.4 88% 29.97 0.0
27 13:55 NW 13 6.00 Fog/Mist CLR 59 55.4 88% 29.97 0.0
27 13:35 NW 13 7.00 Fair CLR 59 55.4 88% 29.97 0.0
27 13:15 NW 9 G 16 6.00 Fog/Mist CLR 60.8 55.4 83% 29.97 0.0
27 12:55 NW 12 5.00 Fog/Mist CLR 59 55.4 88% 29.97 0.0
27 12:35 NW 13 5.00 Fog/Mist FEW006 59 55.4 88% 29.97 0.0
27 12:15 NW 14 5.00 Fog/Mist FEW005 57.2 55.4 94% 29.97 0.0
27 11:55 NW 10 5.00 Fog/Mist BKN005 55.4 55.4 100% 29.97 0.0
27 11:35 NW 9 5.00 Fog/Mist OVC005 55.4 53.6 94% 29.97 0.0
27 11:15 NW 10 4.00 Fog/Mist SCT005 57.2 53.6 88% 29.96 0.0
27 10:55 W 8 4.00 Fog/Mist CLR 57.2 55.4 94% 29.96 0.0
27 10:35 NW 8 4.00 Fog/Mist CLR 57.2 53.6 88% 29.95 0.0
27 10:15 W 8 4.00 Fog/Mist CLR 57.2 53.6 88% 29.95 0.0
27 09:55 W 7 4.00 Fog/Mist CLR 57.2 53.6 88% 29.95 0.0
27 09:35 W 7 4.00 Fog/Mist FEW013 55.4 53.6 94% 29.95 0.0
27 09:15 Vrbl 6 4.00 Fog/Mist FEW012 55.4 53.6 94% 29.95 0.0
27 08:55 W 5 4.00 Fog/Mist SCT009 55.4 53.6 94% 29.95 0.0
27 08:35 Calm 4.00 Fog/Mist BKN008 55.4 53.6 94% 29.94 0.0
27 08:15 S 5 4.00 Fog/Mist BKN008 53.6 53.6 100% 29.94 0.0
27 07:55 Vrbl 3 4.00 Fog/Mist BKN007 BKN011 53.6 53.6 100% 29.93 0.0
27 07:35 Calm 4.00 Fog/Mist BKN008 53.6 53.6 100% 29.93 0.0
27 07:15 Calm 5.00 Fog/Mist OVC008 53.6 51.8 94% 29.93 0.0
27 06:35 Calm 5.00 Fog/Mist BKN010 50 50 100% 29.92 0.0
27 06:15 Calm 6.00 Fog/Mist OVC010 50 50 100% 29.92 0.0
27 05:55 Calm 7.00 Overcast OVC010 50 50 100% 29.91 0.0
27 05:35 Calm 8.00 Overcast OVC010 50 50 100% 29.91 0.0
27 05:15 NE 3 8.00 Overcast OVC011 50 50 100% 29.91 0.0
27 04:55 NE 5 7.00 Mostly Cloudy BKN012 50 50 100% 49 29.9 0.0
27 04:35 E 5 7.00 Overcast BKN010 OVC013 50 50 100% 49 29.91 0.0
27 04:15 E 5 6.00 Fog/Mist OVC010 51.8 51.8 100% 29.91 0.0
27 03:55 Calm 6.00 Fog/Mist OVC012 51.8 51.8 100% 29.91 0.0
27 03:35 E 3 6.00 Fog/Mist OVC012 51.8 51.8 100% 29.91 0.0
27 03:15 E 5 6.00 Fog/Mist OVC012 51.8 51.8 100% 29.91 0.0
27 02:55 E 3 6.00 Fog/Mist OVC011 53.6 53.6 100% 29.91 0.0
27 02:35 Calm 5.00 Fog/Mist OVC011 53.6 53.6 100% 29.92 0.0
27 02:15 Calm 4.00 Fog/Mist OVC011 53.6 53.6 100% 29.92 0.0
27 01:55 Calm 5.00 Fog/Mist OVC011 53.6 53.6 100% 29.93 0.0
27 01:35 Calm 6.00 Fog/Mist OVC012 53.6 53.6 100% 29.93 0.0
27 01:15 Calm 5.00 Fog/Mist OVC012 53.6 53.6 100% 29.93 0.0
27 00:55 Calm 4.00 Fog/Mist OVC011 53.6 53.6 100% 29.93 0.0
27 00:35 Calm 5.00 Fog/Mist OVC010 53.6 53.6 100% 29.94 0.0
27 00:15 Calm 6.00 Fog/Mist OVC010 53.6 53.6 100% 29.94 0.0
Date Time (pdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)