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.
09 01:15 S 5 0.75 Fog/Mist OVC002 57.2 57.2 100% 30 0.0
09 00:55 Calm 0.50 Fog/Mist OVC002 57.2 57.2 100% 30.01 0.0 0.02
09 00:35 SE 3 0.50 Fog/Mist OVC002 57.2 57.2 100% 30.01 0.0
09 00:15 S 5 1.50 Fog/Mist OVC002 57.2 57.2 100% 30.01 0.0
08 23:55 S 5 0.75 Fog/Mist OVC004 57.2 57.2 100% 30.01 0.0
08 23:35 S 3 2.50 Fog/Mist OVC005 57.2 57.2 100% 30.01 0.0
08 23:15 Calm 4.00 Fog/Mist OVC005 57.2 57.2 100% 30.01 0.0
08 22:55 Calm 5.00 Fog/Mist OVC005 57.2 57.2 100% 30.02 0.0
08 22:35 S 3 5.00 Fog/Mist OVC005 57.2 57.2 100% 30.02 0.0
08 22:15 S 5 5.00 Fog/Mist OVC005 57.2 57.2 100% 30.02 0.0
08 21:55 S 5 5.00 Fog/Mist OVC005 57.2 57.2 100% 30.02 0.0
08 21:35 S 3 4.00 Fog/Mist OVC005 57.2 57.2 100% 30.01 0.0
08 21:15 Calm 5.00 Fog/Mist OVC004 57.2 57.2 100% 30.01 0.0
08 20:55 W 3 3.00 Fog/Mist OVC005 57.2 57.2 100% 30.01 0.0
08 20:35 Calm 4.00 Fog/Mist OVC005 57.2 57.2 100% 30.01 0.0
08 20:15 Calm 4.00 Fog/Mist OVC005 57.2 57.2 100% 30.01 0.0
08 19:55 Calm 4.00 Fog/Mist OVC004 57.2 57.2 100% 30.01 0.0
08 19:35 Calm 3.00 Fog/Mist OVC004 57.2 57.2 100% 30.02 0.0
08 19:15 Calm 4.00 Overcast OVC004 0 0 0% 30.02 0.0
08 18:55 Calm 4.00 Fog/Mist OVC005 57.2 57.2 100% 30.02 0.0
08 18:35 W 3 4.00 Fog/Mist OVC005 57.2 57.2 100% 30.02 0.0
08 18:15 Calm 4.00 Fog/Mist OVC005 57.2 57.2 100% 30.02 0.0
08 17:55 Calm 4.00 Fog/Mist OVC005 57.2 57.2 100% 30.02 0.0
08 17:35 Calm 3.00 Fog/Mist OVC005 57.2 57.2 100% 30.02 0.0
08 17:15 NW 5 3.00 Fog/Mist OVC005 57.2 57.2 100% 30.01 0.0
08 16:55 NW 6 3.00 Fog/Mist OVC005 57.2 57.2 100% 30.01 0.0
08 16:35 NW 8 G 14 4.00 Fog/Mist OVC005 57.2 57.2 100% 30.01 0.0
08 16:15 NW 10 6.00 Fog/Mist OVC007 59 57.2 94% 30.01 0.0
08 15:55 NW 10 5.00 Fog/Mist BKN007 59 57.2 94% 30.01 0.0
08 15:35 NW 7 5.00 Fog/Mist BKN007 57.2 57.2 100% 30.01 0.0
08 15:15 W 9 6.00 Fog/Mist BKN007 59 57.2 94% 30 0.0
08 14:55 NW 9 6.00 Fog/Mist BKN007 57.2 57.2 100% 30.01 0.0
08 14:35 NW 9 6.00 Fog/Mist SCT007 SCT012 0 0 0% 30.01 0.0
08 14:15 NW 10 6.00 Fog/Mist FEW008 SCT012 59 57.2 94% 30 0.0
08 13:55 NW 12 G 17 7.00 Partly Cloudy SCT007 59 57.2 94% 30 0.0
08 13:35 NW 10 G 17 6.00 Mostly Cloudy BKN006 0 0 0% 30 0.0
08 13:15 NW 14 6.00 Fog/Mist SCT006 57.2 55.4 94% 30 0.0
08 12:55 NW 10 7.00 A Few Clouds FEW010 57.2 55.4 94% 29.99 0.0
08 12:35 NW 10 6.00 Fog/Mist SCT013 57.2 53.6 88% 30 0.0
08 12:15 NW 9 7.00 Overcast OVC013 57.2 53.6 88% 30 0.0
08 11:55 NW 10 6.00 Overcast with Haze OVC016 59 53.6 82% 29.99 0.0
08 11:35 NW 8 6.00 Mostly Cloudy with Haze BKN017 59 53.6 82% 29.98 0.0
08 11:15 NW 9 6.00 Fair with Haze CLR 59 53.6 82% 29.98 0.0
08 10:55 N 14 G 23 6.00 Fair with Haze CLR 59 53.6 82% 29.97 0.0
08 10:35 NW 13 6.00 Fair with Haze CLR 57.2 53.6 88% 29.96 0.0
08 10:15 NW 10 5.00 Fair with Haze CLR 57.2 53.6 88% 29.95 0.0
08 09:55 NW 12 6.00 Fair with Haze CLR 57.2 51.8 82% 29.94 0.0
08 09:35 NW 12 5.00 Fog/Mist CLR 55.4 51.8 88% 29.94 0.0
08 09:15 NW 7 G 14 5.00 Fog/Mist FEW014 55.4 51.8 88% 29.93 0.0
08 08:55 NW 8 G 14 5.00 Fog/Mist FEW013 55.4 51.8 88% 29.93 0.0
08 08:35 NW 9 5.00 Fog/Mist SCT014 55.4 51.8 88% 29.93 0.0
08 08:15 NW 9 4.00 Fog/Mist BKN014 53.6 51.8 94% 29.93 0.0
08 07:55 NW 8 4.00 Overcast OVC013 0 0 0% 29.93 0.0
08 07:35 NW 7 4.00 Fog/Mist OVC013 53.6 51.8 94% 29.92 0.0
08 07:15 NW 8 4.00 Fog/Mist OVC013 53.6 51.8 94% 29.92 0.0
08 06:55 NW 8 4.00 Fog/Mist OVC012 53.6 51.8 94% 29.92 0.0
08 06:35 N 7 G 13 4.00 Fog/Mist OVC011 51.8 51.8 100% 29.91 0.0
08 06:15 N 8 4.00 Overcast OVC011 0 0 0% 29.91 0.0
08 05:55 NW 10 4.00 Fog/Mist OVC012 51.8 51.8 100% 29.91 0.0
08 05:35 NW 12 5.00 Fog/Mist OVC012 51.8 51.8 100% 29.91 0.0
08 05:15 NW 9 5.00 Fog/Mist OVC012 51.8 51.8 100% 29.9 0.0
08 04:55 NW 7 G 14 5.00 Fog/Mist OVC013 51.8 51.8 100% 29.9 0.0
08 04:35 NW 7 5.00 Fog/Mist OVC013 51.8 51.8 100% 29.89 0.0
08 04:15 NW 8 5.00 Fog/Mist OVC013 51.8 51.8 100% 29.9 0.0
08 03:55 NW 6 5.00 Fog/Mist OVC013 51.8 51.8 100% 29.89 0.0
08 03:35 N 5 5.00 Fog/Mist OVC013 51.8 51.8 100% 29.89 0.0
08 03:15 NW 6 5.00 Fog/Mist OVC013 51.8 51.8 100% 29.9 0.0
08 02:55 NW 6 5.00 Fog/Mist OVC013 51.8 51.8 100% 29.9 0.0
08 02:35 NW 8 5.00 Fog/Mist OVC014 51.8 51.8 100% 29.9 0.0
08 02:15 Vrbl 5 4.00 Fog/Mist OVC014 51.8 51.8 100% 29.9 0.0
08 01:55 Calm 4.00 Fog/Mist OVC013 51.8 51.8 100% 29.9 0.0
08 01:35 Calm 5.00 Fog/Mist BKN013 50 50 100% 29.9 0.0
08 01:15 NW 3 4.00 Fog/Mist BKN013 50 50 100% 29.9 0.0
08 00:55 NW 6 4.00 Fog/Mist OVC014 51.8 51.8 100% 29.9 0.0
08 00:35 NW 8 5.00 Fog/Mist OVC013 51.8 51.8 100% 29.9 0.0
08 00:15 NW 10 5.00 Fog/Mist BKN014 51.8 51.8 100% 29.91 0.0
07 23:55 NW 8 4.00 Fog/Mist BKN014 51.8 51.8 100% 29.91 0.0
07 23:35 NW 7 4.00 Fog/Mist SCT014 51.8 50 94% 29.9 0.0
07 23:15 NW 10 4.00 Fog/Mist CLR 51.8 50 94% 29.91 0.0
07 22:55 NW 8 5.00 Fog/Mist CLR 51.8 50 94% 29.9 0.0
07 22:35 NW 10 5.00 Fog/Mist CLR 51.8 50 94% 29.9 0.0
07 22:15 NW 10 5.00 Fog/Mist FEW014 51.8 50 94% 29.9 0.0
07 21:55 NW 14 5.00 Fog/Mist CLR 51.8 50 94% 29.9 0.0
07 21:35 NW 14 5.00 Fog/Mist CLR 51.8 50 94% 29.9 0.0
07 21:15 NW 12 5.00 Fog/Mist FEW015 51.8 50 94% 29.89 0.0
07 20:55 NW 12 5.00 Fog/Mist SCT015 51.8 50 94% 29.89 0.0
07 20:35 NW 10 4.00 Fog/Mist CLR 51.8 50 94% 29.9 0.0
07 20:15 NW 12 4.00 Fair CLR 0 0 0% 29.9 0.0
07 19:55 NW 12 4.00 Fog/Mist CLR 53.6 50 88% 29.9 0.0
07 19:35 NW 10 4.00 Fog/Mist CLR 53.6 50 88% 29.9 0.0
07 19:15 NW 9 G 16 4.00 Fog/Mist CLR 0 0 0% 29.9 0.0
07 18:55 NW 13 4.00 Fair with Haze CLR 55.4 51.8 88% 29.9 0.0
07 18:35 NW 14 4.00 Fair with Haze CLR 55.4 51.8 88% 29.9 0.0
07 18:15 NW 14 G 20 4.00 Fair with Haze CLR 55.4 51.8 88% 29.9 0.0
07 17:55 NW 13 G 20 4.00 A Few Clouds with Haze FEW013 57.2 51.8 82% 29.9 0.0
07 17:35 NW 16 4.00 Mostly Cloudy with Haze BKN013 55.4 51.8 88% 29.9 0.0
07 17:15 NW 18 4.00 Partly Cloudy with Haze SCT013 57.2 51.8 82% 29.91 0.0
07 16:55 NW 15 4.00 Mostly Cloudy with Haze BKN014 57.2 51.8 82% 29.91 0.0
07 16:35 NW 16 4.00 Partly Cloudy with Haze SCT014 57.2 51.8 82% 29.91 0.0
07 16:15 NW 16 G 23 4.00 Fair with Haze CLR 57.2 51.8 82% 29.91 0.0
07 15:55 NW 17 4.00 Fair with Haze CLR 57.2 51.8 82% 29.91 0.0
07 15:35 NW 18 4.00 Fair with Haze CLR 57.2 51.8 82% 29.91 0.0
07 15:15 N 17 5.00 Fair with Haze CLR 57.2 51.8 82% 29.92 0.0
07 14:55 N 15 G 23 4.00 Fair with Haze CLR 57.2 53.6 88% 29.91 0.0
07 14:35 N 15 G 23 4.00 Fair with Haze CLR 59 53.6 82% 29.91 0.0
07 14:15 NW 17 4.00 Fair with Haze CLR 57.2 53.6 88% 29.91 0.0
07 13:55 NW 17 4.00 Fair with Haze CLR 57.2 51.8 82% 29.91 0.0
07 13:35 NW 16 4.00 Fair with Haze CLR 57.2 51.8 82% 29.91 0.0
07 13:15 NW 13 5.00 Fair with Haze CLR 59 53.6 82% 29.91 0.0
07 12:55 NW 13 5.00 Fair with Haze CLR 57.2 51.8 82% 29.91 0.0
07 12:35 NW 14 4.00 Fair with Haze CLR 57.2 51.8 82% 29.91 0.0
07 12:15 NW 10 5.00 Fair with Haze CLR 59 51.8 77% 29.91 0.0
07 11:55 NW 12 4.00 Fair with Haze CLR 57.2 51.8 82% 29.91 0.0
07 11:35 NW 13 4.00 Fair with Haze CLR 57.2 50 77% 29.91 0.0
07 11:15 NW 10 4.00 Fair with Haze CLR 57.2 51.8 82% 29.9 0.0
07 10:55 NW 8 4.00 Fair with Haze CLR 57.2 51.8 82% 29.9 0.0
07 10:35 NW 9 4.00 Fair with Haze CLR 55.4 51.8 88% 29.89 0.0
07 10:15 Vrbl 3 4.00 Fair with Haze CLR 55.4 50 82% 29.89 0.0
07 09:55 NW 3 4.00 Fair with Haze CLR 55.4 50 82% 29.9 0.0
07 09:35 W 6 3.00 Fair with Haze CLR 55.4 51.8 88% 29.9 0.0
07 09:15 NW 5 4.00 Fog/Mist CLR 55.4 51.8 88% 29.9 0.0
07 08:55 Calm 4.00 Fog/Mist SCT014 53.6 50 88% 29.9 0.0
07 08:35 NW 7 3.00 Fog/Mist OVC014 53.6 50 88% 29.9 0.0
07 08:15 NW 6 3.00 Fog/Mist SCT014 51.8 50 94% 29.9 0.0
07 07:55 NW 5 4.00 Fog/Mist FEW013 51.8 50 94% 29.89 0.0
07 07:35 N 6 3.00 Fog/Mist FEW014 51.8 50 94% 29.89 0.0
07 07:15 N 8 3.00 Fog/Mist FEW015 51.8 50 94% 29.89 0.0
07 06:55 N 6 3.00 Fog/Mist CLR 50 50 100% 48 29.88 0.0
07 06:35 NW 9 3.00 Fog/Mist CLR 50 50 100% 47 29.88 0.0
07 06:15 Calm 3.00 Fog/Mist CLR 46.4 46.4 100% 29.88 0.0
07 05:55 Calm 3.00 Fog/Mist CLR 46.4 46.4 100% 29.88 0.0
07 05:35 Calm 5.00 Fog/Mist CLR 46.4 46.4 100% 29.88 0.0
07 05:15 N 6 5.00 Fog/Mist CLR 50 48.2 94% 48 29.87 0.0
07 04:55 Vrbl 7 4.00 Fog/Mist FEW018 50 48.2 94% 48 29.87 0.0
07 04:35 N 7 5.00 A Few Clouds FEW016 0 0 0% 29.87 0.0
07 04:15 NW 8 5.00 Fog/Mist CLR 50 48.2 94% 47 29.87 0.0
07 03:55 N 6 G 13 5.00 A Few Clouds FEW019 0 0 0% 29.87 0.0
07 03:35 Vrbl 6 5.00 Fog/Mist FEW020 50 48.2 94% 48 29.87 0.0
07 02:55 N 8 5.00 Fog/Mist CLR 50 48.2 94% 47 29.86 0.0
07 02:35 NW 3 5.00 Fog/Mist SCT016 SCT022 50 50 100% 29.87 0.0
07 02:15 Vrbl 6 5.00 Fog/Mist BKN016 BKN024 50 50 100% 48 29.86 0.0
07 01:55 Vrbl 5 5.00 Fog/Mist SCT016 51.8 50 94% 29.87 0.0
07 01:35 N 8 5.00 Fog/Mist SCT018 51.8 50 94% 29.88 0.0
07 01:15 Vrbl 6 4.00 Fog/Mist BKN018 BKN025 50 50 100% 48 29.88 0.0
07 00:55 NW 5 5.00 Fog/Mist SCT016 51.8 50 94% 29.88 0.0
07 00:35 Calm 4.00 Fog/Mist SCT016 51.8 50 94% 29.88 0.0
07 00:15 NW 7 4.00 Fog/Mist BKN018 51.8 50 94% 29.89 0.0
06 23:55 NW 9 4.00 Fog/Mist BKN017 51.8 50 94% 29.9 0.0
06 23:35 NW 8 G 15 5.00 Fog/Mist SCT016 51.8 50 94% 29.89 0.0
06 23:15 NW 9 4.00 Fog/Mist BKN017 51.8 50 94% 29.9 0.0
06 22:55 NW 10 5.00 Fog/Mist BKN016 BKN021 51.8 50 94% 29.9 0.0
06 22:35 NW 12 G 23 4.00 Fog/Mist BKN017 51.8 50 94% 29.9 0.0
06 22:15 N 12 G 18 4.00 Fog/Mist FEW016 51.8 50 94% 29.89 0.0
06 21:55 NW 17 5.00 Fog/Mist FEW016 51.8 50 94% 29.89 0.0
06 21:35 NW 17 G 24 5.00 Fog/Mist CLR 0 0 0% 29.88 0.0
06 21:15 NW 18 G 26 5.00 Fog/Mist CLR 51.8 50 94% 29.89 0.0
06 20:55 NW 18 G 25 4.00 Fog/Mist CLR 51.8 50 94% 29.89 0.0
06 20:35 NW 20 G 26 4.00 Fog/Mist CLR 53.6 50 88% 29.89 0.0
06 20:15 N 16 G 23 4.00 Fair with Haze CLR 53.6 50 88% 29.9 0.0
06 19:55 NW 17 4.00 Fair with Haze CLR 53.6 48.2 82% 29.9 0.0
06 19:35 N 17 G 25 5.00 Fair with Haze CLR 55.4 48.2 77% 29.9 0.0
06 19:15 NW 15 G 22 4.00 Fair with Haze CLR 55.4 48.2 77% 29.9 0.0
06 18:55 NW 16 4.00 Fair with Haze CLR 57.2 48.2 72% 29.9 0.0
06 18:35 NW 13 G 21 5.00 Fair with Haze CLR 57.2 48.2 72% 29.9 0.0
06 18:15 NW 16 G 22 4.00 Fair with Haze CLR 57.2 50 77% 29.91 0.0
06 17:55 NW 16 G 28 4.00 Fair with Haze CLR 57.2 50 77% 29.91 0.0
06 17:35 N 18 G 25 5.00 Fair with Haze CLR 57.2 50 77% 29.92 0.0
06 17:15 NW 20 G 25 5.00 Fair with Haze CLR 57.2 50 77% 29.92 0.0
06 16:55 NW 16 5.00 Fair with Haze CLR 59 50 72% 29.92 0.0
06 16:35 NW 12 G 18 5.00 Fair with Haze CLR 57.2 50 77% 29.93 0.0
06 16:15 NW 12 G 20 4.00 Fair with Haze CLR 57.2 51.8 82% 29.93 0.0
06 15:55 NW 17 5.00 Fair with Haze CLR 59 51.8 77% 29.93 0.0
06 15:35 NW 16 G 24 5.00 Fair with Haze CLR 57.2 51.8 82% 29.93 0.0
06 15:15 N 20 5.00 Fair with Haze CLR 59 51.8 77% 29.93 0.0
06 14:55 NW 22 5.00 Fair with Haze and Breezy CLR 57.2 51.8 82% 29.93 0.0
06 14:35 N 15 G 26 5.00 Fair with Haze CLR 57.2 50 77% 29.94 0.0
06 14:15 NW 15 G 22 5.00 Fair with Haze CLR 57.2 50 77% 29.94 0.0
06 13:55 N 18 5.00 Fair with Haze CLR 57.2 50 77% 29.93 0.0
06 13:35 NW 16 G 22 5.00 Fair with Haze CLR 57.2 50 77% 29.94 0.0
06 13:15 NW 18 5.00 Fair with Haze CLR 57.2 50 77% 29.94 0.0
06 12:55 NW 16 5.00 Fair with Haze CLR 57.2 50 77% 29.94 0.0
06 12:35 NW 15 5.00 Fair with Haze CLR 59 51.8 77% 29.94 0.0
06 12:15 N 16 5.00 Fair with Haze CLR 59 50 72% 29.94 0.0
06 11:55 NW 17 G 23 6.00 Fair with Haze CLR 59 50 72% 29.94 0.0
06 11:35 NW 14 G 23 5.00 Fair with Haze CLR 57.2 50 77% 29.94 0.0
06 11:15 N 15 G 21 5.00 Fair with Haze CLR 57.2 50 77% 29.94 0.0
06 10:55 N 13 G 23 5.00 Fair with Haze CLR 57.2 50 77% 29.93 0.0
06 10:35 N 16 G 22 5.00 Fair with Haze CLR 59 50 72% 29.93 0.0
06 10:15 NW 15 G 22 5.00 Fair with Haze CLR 57.2 51.8 82% 29.93 0.0
06 09:55 NW 15 G 21 5.00 Fair CLR 0 0 0% 29.93 0.0
06 09:35 NW 14 G 21 5.00 Fair with Haze CLR 57.2 51.8 82% 29.93 0.0
06 09:15 NW 15 5.00 Fair with Haze CLR 57.2 51.8 82% 29.92 0.0
06 08:55 N 17 4.00 Fair with Haze CLR 55.4 50 82% 29.92 0.0
06 08:35 N 14 G 21 4.00 Fog/Mist CLR 55.4 51.8 88% 29.92 0.0
06 08:15 NW 14 G 22 4.00 Fog/Mist CLR 0 0 0% 29.91 0.0
06 07:55 NW 15 4.00 Fog/Mist CLR 53.6 51.8 94% 29.91 0.0
06 07:35 N 12 G 20 4.00 Fog/Mist CLR 53.6 50 88% 29.91 0.0
06 07:15 N 12 G 18 4.00 Fog/Mist CLR 53.6 50 88% 29.91 0.0
06 06:55 NW 14 4.00 Fog/Mist CLR 51.8 50 94% 29.91 0.0
06 06:35 N 13 4.00 Fog/Mist CLR 51.8 50 94% 29.9 0.0
06 06:15 N 10 3.00 Fog/Mist CLR 51.8 50 94% 29.9 0.0
06 05:55 N 6 G 12 4.00 Fog/Mist CLR 51.8 50 94% 29.89 0.0
06 05:35 N 6 G 15 5.00 Fog/Mist FEW014 51.8 50 94% 29.89 0.0
06 05:15 N 8 5.00 Fog/Mist CLR 51.8 50 94% 29.88 0.0
06 04:55 NW 10 5.00 Fog/Mist CLR 51.8 50 94% 29.88 0.0
06 04:35 NW 7 G 14 5.00 Fog/Mist CLR 51.8 50 94% 29.88 0.0
06 04:15 NW 12 5.00 Fog/Mist CLR 51.8 50 94% 29.87 0.0
06 03:55 NW 10 4.00 Fog/Mist CLR 51.8 50 94% 29.87 0.0
06 03:35 NW 8 5.00 Fog/Mist CLR 51.8 50 94% 29.88 0.0
06 03:15 NW 9 5.00 Fog/Mist FEW015 51.8 50 94% 29.88 0.0
06 02:55 NW 7 G 14 4.00 Fog/Mist SCT015 51.8 51.8 100% 29.88 0.0
06 02:35 NW 9 4.00 Fog/Mist BKN015 51.8 51.8 100% 29.88 0.0
06 02:15 NW 8 4.00 Fog/Mist BKN015 51.8 51.8 100% 29.88 0.0
06 01:55 NW 6 4.00 Fog/Mist OVC016 51.8 51.8 100% 29.88 0.0
06 01:35 N 6 4.00 Fog/Mist OVC016 53.6 51.8 94% 29.88 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)