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.
21 11:35 S 9 G 15 8.00 Fair CLR 68 60.8 78% 29.98 0.0
21 11:15 S 9 G 15 8.00 Fair CLR 68 60.8 78% 29.97 0.0
21 10:55 SE 7 8.00 Fair CLR 68 60.8 78% 29.96 0.0
21 10:35 S 7 7.00 Fair CLR 64.4 60.8 88% 29.95 0.0
21 10:15 S 8 8.00 Fair CLR 66.2 60.8 83% 29.95 0.0
21 09:55 SE 6 7.00 Fair CLR 66.2 59 78% 29.96 0.0
21 09:35 S 3 5.00 Fair with Haze CLR 64.4 60.8 88% 29.95 0.0
21 09:15 S 6 5.00 Fair with Haze CLR 64.4 60.8 88% 29.95 0.0
21 08:55 Calm 5.00 Fog/Mist CLR 64.4 60.8 88% 29.94 0.0
21 08:35 Calm 5.00 Fog/Mist CLR 62.6 60.8 94% 29.94 0.0
21 08:15 S 5 4.00 Fog/Mist CLR 62.6 60.8 94% 29.94 0.0
21 07:55 S 3 4.00 Fog/Mist CLR 62.6 60.8 94% 29.93 0.0
21 07:35 Calm 4.00 Fog/Mist CLR 60.8 60.8 100% 29.93 0.0
21 07:15 Calm 3.00 Light Rain Fog/Mist CLR 59 59 100% 29.93 0.0
21 06:55 Calm 2.50 Fog/Mist CLR 59 59 100% 29.92 0.0
21 06:35 Calm 4.00 Fog/Mist CLR 59 59 100% 29.9 0.0
21 05:35 Calm 6.00 Fog/Mist CLR 57.2 57.2 100% 29.9 0.0
21 05:15 Calm 6.00 Fog/Mist CLR 57.2 57.2 100% 29.89 0.0
21 04:55 NW 3 7.00 Fair CLR 57.2 57.2 100% 29.89 0.0
21 04:35 Calm 6.00 Fog/Mist CLR 57.2 57.2 100% 29.89 0.0
21 04:15 NW 6 6.00 Fog/Mist CLR 57.2 57.2 100% 29.89 0.0
21 03:55 Calm 6.00 Fog/Mist CLR 57.2 57.2 100% 29.89 0.0
21 03:35 Calm 6.00 Fog/Mist CLR 57.2 57.2 100% 29.9 0.0
21 03:15 NW 6 6.00 Fog/Mist CLR 57.2 57.2 100% 29.9 0.0
21 02:55 Calm 6.00 Fog/Mist CLR 57.2 57.2 100% 29.9 0.0
21 02:35 NW 3 7.00 Fair CLR 57.2 57.2 100% 29.9 0.0
21 02:15 N 3 7.00 Fair CLR 57.2 57.2 100% 29.9 0.0
21 01:55 NW 5 7.00 Fair CLR 57.2 57.2 100% 29.9 0.0
21 01:35 N 6 7.00 Fair CLR 59 59 100% 29.91 0.0
21 01:15 NW 6 7.00 Fair CLR 59 59 100% 29.91 0.0
21 00:55 NW 10 6.00 A Few Clouds FEW090 FEW120 0 0 0% 29.91 0.0
21 00:35 N 6 7.00 Mostly Cloudy FEW050 SCT070 BKN120 59 59 100% 29.91 0.0
21 00:15 NW 5 7.00 Partly Cloudy FEW050 SCT065 SCT080 59 59 100% 29.93 0.0
20 23:55 NW 6 7.00 Fair CLR 59 59 100% 29.92 0.0
20 23:35 N 6 7.00 Fair CLR 59 59 100% 29.93 0.0
20 23:15 N 6 7.00 Fair CLR 59 59 100% 29.93 0.0
20 22:35 N 5 8.00 Fair CLR 57.2 57.2 100% 29.94 0.0
20 22:15 NW 9 8.00 Fair CLR 57.2 57.2 100% 29.94 0.0
20 21:55 NW 3 7.00 Mostly Cloudy BKN004 0 0 0% 29.93 0.0
20 21:35 N 5 7.00 Overcast OVC003 57.2 57.2 100% 29.93 0.0
20 21:15 N 8 3.00 Fog/Mist OVC003 57.2 57.2 100% 29.93 0.0
20 20:55 N 6 G 13 3.00 Fog/Mist OVC003 57.2 57.2 100% 29.93 0.0
20 20:35 NW 8 3.00 Overcast OVC004 0 0 0% 29.93 0.0
20 20:15 NW 7 G 14 3.00 Fog/Mist BKN004 59 59 100% 29.92 0.0
20 19:55 NW 9 4.00 Fog/Mist CLR 59 59 100% 29.92 0.0
20 19:35 NW 8 6.00 Fog/Mist CLR 60.8 60.8 100% 29.92 0.0
20 19:15 NW 9 6.00 Fog/Mist CLR 60.8 60.8 100% 29.92 0.0
20 18:55 NW 9 7.00 Fair CLR 60.8 60.8 100% 29.92 0.0
20 18:35 NW 8 7.00 Fair CLR 62.6 60.8 94% 29.92 0.0
20 18:15 NW 10 7.00 Fair CLR 62.6 60.8 94% 29.92 0.0
20 17:55 NW 9 9.00 Fair CLR 64.4 60.8 88% 29.93 0.0
20 17:35 NW 8 9.00 Fair CLR 62.6 60.8 94% 29.94 0.0
20 17:15 NW 7 7.00 Fair CLR 62.6 60.8 94% 29.94 0.0
20 16:55 NW 8 8.00 Fair CLR 64.4 60.8 88% 29.95 0.0
20 16:35 NW 8 9.00 Fair CLR 62.6 60.8 94% 29.96 0.0
20 16:15 W 8 8.00 Fair CLR 62.6 60.8 94% 29.96 0.0
20 15:55 W 7 9.00 Fair CLR 62.6 60.8 94% 29.97 0.0
20 15:35 W 7 8.00 Fair CLR 62.6 60.8 94% 29.97 0.0
20 15:15 W 8 8.00 A Few Clouds FEW012 62.6 60.8 94% 29.98 0.0
20 14:55 W 9 8.00 Partly Cloudy FEW007 SCT012 64.4 60.8 88% 29.98 0.0
20 14:35 W 8 7.00 Partly Cloudy SCT005 62.6 60.8 94% 29.99 0.0
20 14:15 W 7 6.00 Fog/Mist BKN004 62.6 60.8 94% 29.98 0.0
20 13:55 W 8 3.00 Fog/Mist SCT003 62.6 60.8 94% 29.99 0.0
20 13:35 W 7 6.00 Fog/Mist CLR 62.6 60.8 94% 29.98 0.0
20 13:15 SW 7 7.00 Fair CLR 62.6 60.8 94% 29.98 0.0
20 12:55 Vrbl 5 6.00 Fog/Mist CLR 62.6 60.8 94% 29.98 0.0
20 12:35 SE 6 5.00 Fog/Mist FEW004 FEW013 62.6 60.8 94% 29.98 0.0
20 11:55 SW 8 6.00 Fog/Mist BKN006 60.8 60.8 100% 30 0.0
20 11:35 S 3 5.00 Fog/Mist OVC004 0 0 0% 29.99 0.0
20 11:15 Calm 4.00 Fog/Mist OVC003 59 59 100% 30 0.0
20 10:55 SW 5 0.75 Fog/Mist OVC003 59 59 100% 30 0.0
20 10:35 Vrbl 6 0.25 Fog BKN003 OVC010 59 59 100% 29.99 0.0
20 10:15 SW 7 7.00 A Few Clouds FEW011 60.8 60.8 100% 29.97 0.0
20 09:55 W 5 8.00 Fair CLR 0 0 0% 29.97 0.0
20 09:35 SW 5 8.00 Partly Cloudy SCT004 59 59 100% 29.97 0.0
20 09:15 S 5 4.00 Fog/Mist BKN003 BKN007 59 59 100% 29.97 0.0
20 08:55 S 6 0.75 Fog/Mist OVC003 59 59 100% 29.97 0.0
20 08:35 SE 7 1.00 Fog/Mist OVC003 59 59 100% 29.97 0.0
20 08:15 S 8 0.50 Fog/Mist OVC002 57.2 57.2 100% 29.97 0.0
20 07:35 SE 5 3.00 Fog/Mist OVC003 57.2 57.2 100% 29.95 0.0
20 07:15 SE 6 1.50 Fog/Mist OVC003 57.2 57.2 100% 29.96 0.0
20 06:55 SE 6 0.50 Fog/Mist OVC003 57.2 57.2 100% 29.96 0.0
20 06:35 SE 6 1.00 Fog/Mist OVC002 57.2 57.2 100% 29.96 0.0
20 06:15 SE 8 0.75 Fog/Mist OVC002 57.2 57.2 100% 29.95 0.0
20 05:55 SE 7 0.75 Fog/Mist OVC002 57.2 57.2 100% 29.96 0.0
20 05:35 SE 5 0.75 Fog/Mist OVC002 57.2 57.2 100% 29.96 0.0
20 05:15 SE 5 1.00 Fog/Mist OVC002 57.2 57.2 100% 29.96 0.0
20 04:55 SE 5 1.00 Fog/Mist OVC002 57.2 57.2 100% 29.96 0.0
20 04:35 Calm 1.00 Fog/Mist OVC002 57.2 57.2 100% 29.96 0.0
20 04:15 SE 3 2.00 Fog/Mist OVC002 57.2 57.2 100% 29.94 0.0
20 03:55 Calm 3.00 Fog/Mist OVC003 57.2 57.2 100% 29.94 0.0
20 03:35 Calm 4.00 Fog/Mist OVC003 57.2 57.2 100% 29.93 0.0
20 03:15 E 3 2.50 Fog/Mist OVC003 57.2 57.2 100% 29.93 0.0
20 02:55 Calm 2.50 Fog/Mist OVC003 57.2 57.2 100% 29.94 0.0
20 02:35 Calm 1.50 Fog/Mist OVC003 57.2 57.2 100% 29.94 0.0
20 02:15 SE 5 2.00 Fog/Mist OVC003 57.2 57.2 100% 29.95 0.0
20 01:55 Calm 1.50 Fog/Mist OVC003 57.2 57.2 100% 29.95 0.0
20 01:35 S 3 1.75 Fog/Mist OVC003 57.2 57.2 100% 29.95 0.0
20 01:15 S 5 2.00 Fog/Mist OVC003 57.2 57.2 100% 29.96 0.0
20 00:55 SE 6 2.50 Fog/Mist OVC004 57.2 57.2 100% 29.96 0.0
20 00:35 SE 5 4.00 Fog/Mist OVC004 57.2 57.2 100% 29.97 0.0
20 00:15 S 5 5.00 Fog/Mist OVC004 57.2 57.2 100% 29.97 0.0
19 23:55 Calm 3.00 Fog/Mist OVC004 57.2 57.2 100% 29.96 0.0
19 23:35 SE 5 3.00 Fog/Mist OVC005 57.2 57.2 100% 29.96 0.0
19 23:15 Calm 5.00 Fog/Mist OVC005 57.2 57.2 100% 29.96 0.0
19 22:55 Calm 8.00 Overcast OVC005 57.2 57.2 100% 29.96 0.0
19 22:35 Calm 8.00 Overcast OVC005 57.2 57.2 100% 29.97 0.0
19 22:15 Calm 8.00 Overcast OVC006 57.2 57.2 100% 29.96 0.0
19 21:55 Calm 9.00 Overcast OVC006 57.2 57.2 100% 29.96 0.0
19 21:35 Calm 8.00 Overcast OVC004 57.2 57.2 100% 29.96 0.0
19 21:15 Calm 3.00 Fog/Mist OVC004 57.2 57.2 100% 29.96 0.0
19 20:55 Calm 2.00 Fog/Mist OVC004 57.2 57.2 100% 29.95 0.0
19 20:35 W 3 5.00 Fog/Mist OVC006 57.2 57.2 100% 29.95 0.0
19 20:15 Calm 7.00 Overcast OVC006 57.2 57.2 100% 29.94 0.0
19 19:55 Calm 7.00 Overcast OVC007 57.2 57.2 100% 29.94 0.0
19 19:35 Calm 8.00 Overcast OVC007 57.2 57.2 100% 29.94 0.0
19 19:15 NW 3 8.00 Overcast OVC007 59 59 100% 29.94 0.0
19 18:55 NW 7 8.00 Overcast OVC007 59 59 100% 29.93 0.0
19 18:35 N 7 9.00 Overcast OVC007 59 59 100% 29.93 0.0
19 18:15 NW 6 8.00 Overcast OVC008 59 59 100% 29.95 0.0
19 17:55 N 6 8.00 Overcast OVC008 59 59 100% 29.94 0.0
19 17:35 NW 7 9.00 Overcast OVC007 59 59 100% 29.94 0.0
19 17:15 NW 10 9.00 Mostly Cloudy BKN007 BKN010 59 57.2 94% 29.94 0.0
19 16:55 NW 8 9.00 Mostly Cloudy BKN009 59 59 100% 29.95 0.0
19 16:35 NW 8 8.00 Partly Cloudy SCT009 59 57.2 94% 29.95 0.0
19 16:15 NW 8 9.00 Fair CLR 59 57.2 94% 29.95 0.0
19 15:55 Vrbl 6 G 12 9.00 A Few Clouds FEW009 59 57.2 94% 29.95 0.0
19 15:35 NW 8 9.00 A Few Clouds FEW009 59 57.2 94% 29.96 0.0
19 15:15 NW 9 9.00 A Few Clouds FEW010 60.8 57.2 88% 29.97 0.0
19 14:55 NW 8 9.00 Partly Cloudy SCT010 60.8 57.2 88% 29.98 0.0
19 14:35 W 9 9.00 Partly Cloudy SCT010 59 57.2 94% 29.98 0.0
19 14:15 N 9 9.00 A Few Clouds FEW010 59 57.2 94% 29.98 0.0
19 13:55 NW 9 9.00 Fair CLR 59 57.2 94% 29.98 0.0
19 13:35 W 9 9.00 Fair CLR 60.8 57.2 88% 29.98 0.0
19 13:15 NW 8 9.00 A Few Clouds FEW009 60.8 57.2 88% 29.99 0.0
19 12:55 NW 9 8.00 A Few Clouds FEW010 60.8 57.2 88% 30.01 0.0
19 12:35 NW 8 9.00 Partly Cloudy SCT010 60.8 57.2 88% 30 0.0
19 12:15 W 8 G 14 8.00 A Few Clouds FEW006 60.8 59 94% 30.01 0.0
19 11:55 NW 6 6.00 Fog/Mist BKN006 59 57.2 94% 30 0.0
19 11:35 W 6 4.00 Fog/Mist OVC005 57.2 57.2 100% 30 0.0
19 11:15 NW 7 5.00 Fog/Mist BKN006 57.2 57.2 100% 30.01 0.0
19 10:55 Calm 2.50 Fog/Mist OVC006 57.2 57.2 100% 30.01 0.0
19 10:35 Calm 6.00 Fog/Mist BKN006 57.2 57.2 100% 30.02 0.0
19 10:15 Vrbl 5 7.00 Overcast OVC005 57.2 57.2 100% 30.01 0.0
19 09:55 NW 5 5.00 Fog/Mist OVC004 55.4 55.4 100% 30.02 0.0
19 09:35 Vrbl 5 2.50 Fog/Mist OVC004 55.4 55.4 100% 30.02 0.0
19 09:15 Calm 2.50 Fog/Mist OVC005 55.4 55.4 100% 30.02 0.0
19 08:55 Calm 4.00 Fog/Mist OVC004 55.4 55.4 100% 30.02 0.0
19 08:35 Calm 5.00 Fog/Mist OVC004 55.4 55.4 100% 30.02 0.0
19 08:15 NW 3 3.00 Fog/Mist OVC004 55.4 55.4 100% 30.01 0.0
19 07:55 Calm 2.50 Fog/Mist OVC004 55.4 55.4 100% 30.02 0.0
19 07:35 Calm 3.00 Fog/Mist OVC004 55.4 55.4 100% 30.02 0.0
19 07:15 Calm 3.00 Fog/Mist OVC004 55.4 55.4 100% 30.01 0.0
19 06:55 Calm 3.00 Fog/Mist OVC004 53.6 53.6 100% 30.02 0.0
19 06:15 Calm 5.00 Fog/Mist OVC005 53.6 53.6 100% 30.01 0.0
19 05:55 Calm 7.00 Overcast OVC004 53.6 53.6 100% 30.02 0.0
19 05:35 NW 5 6.00 Fog/Mist NULL 53.6 53.6 100% 30.02 0.0
19 05:15 NW 6 0.00 NULL NULL 0 0 0% 30.01 0.0
19 04:55 W 6 5.00 Fog/Mist OVC004 53.6 53.6 100% 30.01 0.0
19 04:15 Calm 6.00 Fog/Mist OVC004 55.4 55.4 100% 30.01 0.0
19 03:55 Calm 6.00 Fog/Mist OVC004 55.4 55.4 100% 30.01 0.0
19 03:35 Calm 5.00 Fog/Mist OVC005 55.4 55.4 100% 30.01 0.0
19 03:15 NW 3 5.00 Fog/Mist OVC004 55.4 55.4 100% 30.01 0.0
19 02:55 NW 5 3.00 Overcast OVC004 0 0 0% 30.02 0.0
19 02:35 Calm 6.00 Fog/Mist OVC004 55.4 55.4 100% 30.02 0.0
19 02:15 Calm 5.00 Fog/Mist OVC004 55.4 55.4 100% 30.03 0.0
19 01:55 W 5 4.00 Fog/Mist OVC004 55.4 55.4 100% 30.03 0.0
19 01:15 Calm 6.00 Fog/Mist OVC005 55.4 55.4 100% 30.03 0.0
19 00:55 Calm 6.00 Fog/Mist OVC005 55.4 55.4 100% 30.03 0.0
19 00:35 N 3 6.00 Fog/Mist OVC005 55.4 55.4 100% 30.03 0.0
19 00:15 Calm 7.00 Overcast OVC006 55.4 55.4 100% 30.03 0.0
18 23:55 Calm 6.00 Fog/Mist OVC006 55.4 55.4 100% 30.03 0.0
18 23:35 NW 5 5.00 Fog/Mist OVC006 55.4 55.4 100% 30.03 0.0
18 23:15 Calm 5.00 Fog/Mist OVC006 55.4 55.4 100% 30.03 0.0
18 22:55 N 6 5.00 Fog/Mist OVC006 55.4 55.4 100% 30.04 0.0
18 22:35 NW 6 5.00 Fog/Mist OVC006 55.4 55.4 100% 30.04 0.0
18 20:55 NW 6 5.00 Fog/Mist OVC006 55.4 55.4 100% 30.02 0.0
18 20:35 NW 5 6.00 Overcast OVC006 0 0 0% 30.02 0.0
18 19:55 NW 6 6.00 Fog/Mist OVC006 0 0 0% 30.02 0.0
18 19:35 NW 8 6.00 Fog/Mist OVC006 57.2 57.2 100% 30.01 0.0
18 19:15 NW 7 5.00 Fog/Mist OVC006 57.2 57.2 100% 30.01 0.0
18 18:55 Vrbl 6 7.00 Overcast OVC007 57.2 57.2 100% 30.01 0.0
18 18:35 NW 6 7.00 Overcast OVC007 57.2 57.2 100% 30.01 0.0
18 18:15 NW 6 8.00 Overcast OVC006 57.2 57.2 100% 30.01 0.0
18 17:55 NW 8 7.00 Overcast OVC006 57.2 57.2 100% 30.02 0.0
18 17:35 NW 7 7.00 Overcast OVC007 57.2 57.2 100% 30.03 0.0
18 16:55 NW 7 8.00 Mostly Cloudy BKN007 BKN011 57.2 57.2 100% 30.03 0.0
18 16:35 W 7 7.00 Partly Cloudy SCT010 59 57.2 94% 30.04 0.0
18 16:15 SW 7 8.00 Partly Cloudy SCT010 59 57.2 94% 30.04 0.0
18 15:55 W 8 8.00 Partly Cloudy SCT011 59 57.2 94% 30.04 0.0
18 15:35 W 8 8.00 A Few Clouds FEW010 59 57.2 94% 30.05 0.0
18 15:15 SW 7 8.00 Partly Cloudy SCT011 59 57.2 94% 30.05 0.0
18 14:55 W 8 9.00 Mostly Cloudy BKN011 59 57.2 94% 30.06 0.0
18 14:35 W 7 8.00 A Few Clouds FEW011 60.8 57.2 88% 30.06 0.0
18 14:15 W 6 7.00 A Few Clouds FEW010 59 57.2 94% 30.06 0.0
18 13:55 W 7 7.00 Partly Cloudy SCT012 59 57.2 94% 30.07 0.0
18 13:35 Calm 7.00 Mostly Cloudy BKN012 0 0 0% 0 0.0
18 13:15 W 6 7.00 Mostly Cloudy BKN013 59 57.2 94% 30.08 0.0
18 12:55 Vrbl 6 7.00 Overcast OVC013 60.8 59 94% 30.08 0.0
18 12:35 Vrbl 5 G 12 8.00 Mostly Cloudy BKN013 60.8 59 94% 30.08 0.0
18 12:15 Calm 4.00 Fog/Mist FEW008 SCT013 59 59 100% 30.08 0.0
18 11:55 SW 6 6.00 Fog/Mist BKN012 59 57.2 94% 30.09 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)