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 09:55 NW 8 4.00 Fog/Mist SCT003 55.4 53.6 94% 30.11 0.0
09 09:35 NW 7 2.00 Fog/Mist OVC003 53.6 53.6 100% 30.11 0.0
09 09:15 W 5 2.00 Fog/Mist OVC004 53.6 53.6 100% 30.11 0.0
09 08:55 W 5 1.50 Fog/Mist OVC003 51.8 51.8 100% 30.11 0.0
09 08:35 NW 5 1.50 Fog/Mist OVC003 51.8 51.8 100% 30.11 0.0
09 08:15 Calm 2.00 Fog/Mist OVC003 51.8 51.8 100% 30.11 0.0
09 07:55 Calm 2.50 Fog/Mist OVC004 51.8 51.8 100% 30.11 0.0
09 07:35 Calm 5.00 Fog/Mist OVC003 50 50 100% 30.1 0.0
09 07:15 Calm 4.00 Fog/Mist OVC004 48.2 48.2 100% 30.1 0.0
09 06:55 Calm 6.00 Fog/Mist OVC005 48.2 46.4 94% 30.09 0.0
09 06:35 Calm 7.00 Overcast OVC004 46.4 46.4 100% 30.09 0.0
09 06:15 Calm 7.00 Overcast OVC004 44.6 44.6 100% 30.09 0.0
09 05:55 Calm 2.50 Fog/Mist OVC002 44.6 44.6 100% 30.08 0.0
09 05:35 NE 5 1.50 Fog/Mist OVC002 48.2 48.2 100% 47 30.08 0.0
09 05:15 N 3 1.75 Fog/Mist OVC003 48.2 48.2 100% 30.08 0.0
09 04:55 Calm 4.00 Fog/Mist OVC003 48.2 48.2 100% 30.09 0.0
09 04:35 Calm 5.00 Fog/Mist OVC003 46.4 46.4 100% 30.09 0.0
09 04:15 E 3 5.00 Fog/Mist OVC003 46.4 46.4 100% 30.09 0.0
09 03:55 Calm 5.00 Fog/Mist OVC005 46.4 46.4 100% 30.09 0.0
09 03:35 Calm 5.00 Fog/Mist OVC005 44.6 44.6 100% 30.1 0.0
09 03:15 Calm 5.00 Fog/Mist OVC006 42.8 42.8 100% 30.1 0.0
09 02:55 Calm 5.00 Fog/Mist OVC005 44.6 44.6 100% 30.1 0.0
09 02:35 Calm 5.00 Fog/Mist OVC005 42.8 42.8 100% 30.1 0.0
09 02:15 Calm 5.00 Fog/Mist BKN005 42.8 42.8 100% 30.11 0.0
09 01:55 Calm 5.00 Fog/Mist BKN004 44.6 44.6 100% 30.12 0.0
09 01:35 Calm 5.00 Fog/Mist BKN003 44.6 44.6 100% 30.12 0.0
09 01:15 Calm 5.00 Fog/Mist BKN004 44.6 44.6 100% 30.12 0.0
09 00:55 Calm 5.00 Fog/Mist BKN005 44.6 44.6 100% 30.12 0.0
09 00:35 Calm 5.00 Fog/Mist BKN006 44.6 44.6 100% 30.12 0.0
09 00:15 Calm 5.00 Fog/Mist SCT004 44.6 44.6 100% 30.12 0.0
08 23:55 Calm 5.00 Fog/Mist FEW003 44.6 44.6 100% 30.12 0.0
08 23:35 NE 3 6.00 Fog/Mist SCT003 46.4 44.6 93% 30.12 0.0
08 23:15 NE 5 6.00 Fog/Mist OVC003 46.4 46.4 100% 45 30.12 0.0
08 22:55 Calm 6.00 Fog/Mist OVC003 48.2 46.4 94% 30.12 0.0
08 22:35 Calm 6.00 Fog/Mist OVC003 48.2 46.4 94% 30.12 0.0
08 22:15 Calm 5.00 Fog/Mist OVC003 50 48.2 94% 30.12 0.0
08 21:55 Calm 4.00 Fog/Mist BKN003 51.8 51.8 100% 30.12 0.0
08 21:35 Calm 4.00 Fog/Mist SCT003 51.8 51.8 100% 30.11 0.0
08 21:15 N 5 4.00 Fog/Mist SCT003 51.8 51.8 100% 30.11 0.0
08 20:55 NW 9 4.00 Fog/Mist SCT003 51.8 51.8 100% 30.1 0.0
08 20:35 NW 8 4.00 Fog/Mist CLR 51.8 51.8 100% 30.1 0.0
08 20:15 NW 10 3.00 Fog/Mist CLR 51.8 51.8 100% 30.1 0.0
08 19:55 NW 10 3.00 Fog/Mist CLR 53.6 51.8 94% 30.09 0.0
08 19:35 NW 13 G 21 4.00 Fog/Mist CLR 53.6 51.8 94% 30.09 0.0
08 19:15 NW 13 G 20 3.00 Fog/Mist CLR 55.4 51.8 88% 30.09 0.0
08 18:55 NW 14 4.00 Fog/Mist CLR 55.4 53.6 94% 30.09 0.0
08 18:35 NW 14 4.00 Fog/Mist CLR 55.4 53.6 94% 30.09 0.0
08 18:15 NW 15 G 21 3.00 Fog/Mist CLR 55.4 53.6 94% 30.09 0.0
08 17:55 NW 14 4.00 Fog/Mist CLR 57.2 53.6 88% 30.1 0.0
08 17:35 NW 15 5.00 Fair with Haze CLR 59 53.6 82% 30.09 0.0
08 17:15 NW 14 6.00 Fair with Haze CLR 59 53.6 82% 30.09 0.0
08 16:55 NW 14 3.00 Fair with Haze CLR 59 53.6 82% 30.08 0.0
08 16:35 NW 15 5.00 Fair with Haze CLR 59 53.6 82% 30.09 0.0
08 16:15 NW 17 5.00 Fog/Mist CLR 57.2 53.6 88% 30.09 0.0
08 15:55 NW 20 6.00 Fog/Mist CLR 57.2 53.6 88% 30.09 0.0
08 15:35 NW 18 7.00 Fair CLR 57.2 53.6 88% 30.1 0.0
08 15:15 NW 18 7.00 Fair CLR 57.2 53.6 88% 30.11 0.0
08 14:55 NW 16 7.00 Fair CLR 57.2 55.4 94% 30.11 0.0
08 14:35 NW 17 6.00 Fog/Mist CLR 57.2 53.6 88% 30.12 0.0
08 14:15 NW 14 7.00 Fair CLR 57.2 53.6 88% 30.12 0.0
08 13:55 NW 15 6.00 Fog/Mist CLR 55.4 53.6 94% 30.13 0.0
08 13:35 NW 14 7.00 A Few Clouds FEW005 55.4 53.6 94% 30.14 0.0
08 13:15 NW 13 6.00 Fog/Mist FEW004 53.6 53.6 100% 30.14 0.0
08 12:55 NW 12 7.00 A Few Clouds FEW004 53.6 53.6 100% 30.15 0.0
08 12:35 NW 12 6.00 Fog/Mist CLR 53.6 53.6 100% 30.15 0.0
08 12:15 NW 10 7.00 Fair CLR 55.4 53.6 94% 30.15 0.0
08 11:55 NW 10 7.00 Fair CLR 55.4 53.6 94% 30.15 0.0
08 11:35 NW 8 7.00 Partly Cloudy SCT005 53.6 53.6 100% 30.16 0.0
08 11:15 NW 7 6.00 Fog/Mist BKN005 53.6 53.6 100% 30.16 0.0
08 10:55 W 7 6.00 Fog/Mist OVC005 51.8 51.8 100% 30.16 0.0
08 10:35 W 5 7.00 Overcast OVC005 51.8 51.8 100% 30.17 0.0
08 10:15 W 6 5.00 Fog/Mist OVC005 51.8 51.8 100% 30.17 0.0
08 09:35 W 6 2.50 Fog/Mist OVC004 50 50 100% 48 30.16 0.0
08 09:15 Vrbl 5 1.50 Fog/Mist OVC003 50 50 100% 49 30.16 0.0
08 08:55 W 5 1.50 Fog/Mist OVC003 50 50 100% 49 30.16 0.0
08 08:35 NW 5 2.00 Fog/Mist OVC003 50 50 100% 49 30.16 0.0
08 08:15 NW 5 2.50 Fog/Mist OVC003 50 50 100% 49 30.15 0.0
08 07:55 Calm 0.75 Fog/Mist OVC003 50 50 100% 30.15 0.0
08 07:35 Vrbl 3 1.25 Fog/Mist OVC003 50 50 100% 30.14 0.0
08 07:15 Calm 2.50 Fog/Mist OVC004 50 50 100% 30.13 0.0
08 06:55 Calm 3.00 Fog/Mist OVC004 50 50 100% 30.13 0.0
08 06:35 Calm 2.00 Fog/Mist OVC004 50 50 100% 30.12 0.0
08 06:15 E 5 4.00 Fog/Mist OVC004 50 50 100% 49 30.12 0.0
08 05:55 NE 7 4.00 Fog/Mist OVC004 50 50 100% 48 30.11 0.0
08 05:35 Calm 5.00 Fog/Mist OVC005 50 50 100% 30.12 0.0
08 05:15 Calm 4.00 Fog/Mist OVC005 50 50 100% 30.11 0.0
08 04:55 E 3 5.00 Fog/Mist OVC005 50 50 100% 30.11 0.0
08 04:35 Calm 6.00 Fog/Mist OVC005 50 50 100% 30.11 0.0
08 04:15 Calm 6.00 Fog/Mist OVC005 50 50 100% 30.11 0.0
08 03:55 E 6 6.00 Fog/Mist OVC006 50 50 100% 48 30.11 0.0
08 03:35 Calm 7.00 Overcast OVC006 50 50 100% 30.11 0.0
08 03:15 NE 6 7.00 Overcast OVC006 50 50 100% 48 30.11 0.0
08 02:55 NE 6 8.00 Overcast OVC007 50 50 100% 48 30.11 0.0
08 02:35 NE 5 7.00 Overcast OVC007 50 50 100% 49 30.1 0.0
08 02:15 E 5 8.00 Overcast OVC008 50 50 100% 49 30.1 0.0
08 01:55 SE 5 8.00 Overcast OVC007 50 50 100% 49 30.11 0.0
08 01:35 SE 3 7.00 Overcast OVC007 50 50 100% 30.11 0.0
08 01:15 Calm 8.00 Overcast OVC008 50 50 100% 30.11 0.0
08 00:55 Calm 7.00 Overcast OVC008 50 50 100% 30.11 0.0
08 00:35 Calm 7.00 Overcast OVC008 50 50 100% 30.12 0.0
08 00:15 Calm 7.00 Overcast OVC008 50 50 100% 30.12 0.0
07 23:55 Calm 7.00 Overcast OVC009 50 50 100% 30.11 0.0
07 23:35 Vrbl 5 7.00 Overcast OVC009 50 50 100% 49 30.11 0.0
07 23:15 NW 5 7.00 Overcast OVC008 50 50 100% 49 30.11 0.0
07 22:55 NW 3 6.00 Fog/Mist OVC009 50 50 100% 30.11 0.0
07 22:35 NW 6 6.00 Fog/Mist OVC009 51.8 50 94% 30.11 0.0
07 22:15 Calm 7.00 Overcast OVC010 51.8 50 94% 30.11 0.0
07 21:55 NW 5 8.00 Overcast OVC010 51.8 50 94% 30.11 0.0
07 21:35 Calm 8.00 Overcast OVC010 51.8 50 94% 30.11 0.0
07 21:15 Calm 7.00 Overcast OVC010 51.8 50 94% 30.11 0.0
07 20:55 W 5 6.00 Fog/Mist OVC010 51.8 50 94% 30.1 0.0
07 20:35 Calm 7.00 Overcast OVC011 51.8 50 94% 30.09 0.0
07 20:15 NW 5 6.00 Fog/Mist OVC012 51.8 50 94% 30.09 0.0
07 19:55 W 6 5.00 Fog/Mist OVC012 51.8 50 94% 30.09 0.0
07 19:35 W 6 4.00 Fog/Mist BKN015 51.8 50 94% 30.08 0.0
07 19:15 W 6 4.00 Fog/Mist FEW010 BKN015 51.8 50 94% 30.08 0.0
07 18:55 W 5 5.00 Fog/Mist OVC015 53.6 50 88% 30.08 0.0
07 18:35 W 5 6.00 Fog/Mist BKN011 OVC017 53.6 50 88% 30.08 0.0
07 18:15 W 6 6.00 Fog/Mist BKN012 OVC018 53.6 51.8 94% 30.08 0.0
07 17:55 Vrbl 6 6.00 Fog/Mist OVC019 53.6 51.8 94% 30.09 0.0
07 17:35 W 5 7.00 Overcast OVC019 53.6 51.8 94% 30.09 0.0
07 17:15 Vrbl 6 6.00 Fog/Mist OVC020 53.6 51.8 94% 30.1 0.0
07 16:55 Vrbl 6 6.00 Fog/Mist OVC020 55.4 51.8 88% 30.1 0.0
07 16:35 W 5 5.00 Fog/Mist BKN015 OVC022 55.4 51.8 88% 30.1 0.0
07 16:15 SW 8 7.00 Overcast BKN014 OVC021 55.4 51.8 88% 30.1 0.0
07 15:55 SW 8 5.00 Fog/Mist OVC014 55.4 51.8 88% 30.11 0.0
07 15:35 W 7 4.00 Fog/Mist OVC013 55.4 51.8 88% 30.12 0.0
07 15:15 W 6 3.00 Fog/Mist OVC013 55.4 51.8 88% 30.11 0.0
07 14:55 W 7 5.00 Overcast with Haze BKN013 BKN018 OVC025 55.4 51.8 88% 30.12 0.0
07 14:35 W 8 5.00 Fog/Mist BKN018 OVC025 55.4 51.8 88% 30.12 0.0
07 14:15 Vrbl 7 4.00 Overcast with Haze FEW019 OVC025 57.2 51.8 82% 30.12 0.0
07 13:55 W 6 4.00 Mostly Cloudy with Haze BKN025 57.2 51.8 82% 30.12 0.0
07 13:35 W 7 5.00 Mostly Cloudy with Haze BKN025 57.2 51.8 82% 30.12 0.0
07 13:15 W 8 4.00 Mostly Cloudy with Haze BKN020 BKN025 57.2 51.8 82% 30.12 0.0
07 12:55 SW 8 4.00 Fog/Mist NULL 55.4 51.8 88% 30.12 0.0
07 12:35 SW 7 4.00 NULL NULL 0 0 0% 30.12 0.0
07 12:15 W 7 4.00 Fog/Mist OVC020 55.4 51.8 88% 30.12 0.0
07 11:55 SW 8 4.00 Fog/Mist OVC021 55.4 51.8 88% 30.12 0.0
07 11:35 SW 6 2.50 Fog/Mist OVC019 55.4 51.8 88% 30.12 0.0
07 11:15 SW 7 4.00 Fog/Mist OVC019 55.4 51.8 88% 30.11 0.0
07 10:55 S 7 G 15 3.00 Fog/Mist OVC018 55.4 51.8 88% 30.11 0.0
07 10:35 S 12 3.00 Fog/Mist OVC018 55.4 51.8 88% 30.11 0.0
07 10:15 S 13 4.00 Fog/Mist OVC018 55.4 51.8 88% 30.1 0.0
07 09:55 S 12 4.00 Fog/Mist OVC018 55.4 51.8 88% 30.1 0.0
07 09:35 S 12 3.00 Fog/Mist OVC018 55.4 51.8 88% 30.1 0.0
07 09:15 S 10 G 17 3.00 Fog/Mist OVC017 55.4 51.8 88% 30.1 0.0
07 08:55 S 10 3.00 Fog/Mist OVC018 55.4 51.8 88% 30.09 0.0
07 08:35 S 10 3.00 Fog/Mist OVC018 53.6 51.8 94% 30.08 0.0
07 08:15 S 10 G 16 3.00 Fog/Mist OVC017 53.6 51.8 94% 30.08 0.0
07 07:55 S 12 3.00 Fog/Mist OVC017 53.6 51.8 94% 30.07 0.0
07 07:35 S 10 3.00 Fog/Mist OVC017 53.6 51.8 94% 30.06 0.0
07 07:15 S 12 3.00 Fog/Mist OVC016 53.6 51.8 94% 30.05 0.0
07 06:55 S 10 G 17 3.00 Fog/Mist BKN017 53.6 51.8 94% 30.04 0.0
07 06:35 S 12 3.00 Fog/Mist BKN017 53.6 51.8 94% 30.03 0.0
07 06:15 S 12 4.00 Fog/Mist OVC017 53.6 51.8 94% 30.02 0.0
07 05:55 S 13 G 18 5.00 Fog/Mist OVC017 53.6 51.8 94% 30.01 0.0
07 05:35 S 12 G 17 5.00 Fog/Mist OVC017 53.6 51.8 94% 30.01 0.0
07 05:15 S 12 5.00 Fog/Mist OVC017 53.6 51.8 94% 30 0.0
07 04:55 S 12 5.00 Fog/Mist OVC017 53.6 51.8 94% 30 0.0
07 04:35 S 9 4.00 Fog/Mist OVC017 53.6 51.8 94% 30 0.0
07 04:15 S 10 4.00 Fog/Mist OVC017 53.6 51.8 94% 30 0.0
07 03:55 S 10 4.00 Fog/Mist OVC017 53.6 51.8 94% 30 0.0
07 03:35 S 10 4.00 Fog/Mist OVC016 53.6 51.8 94% 30 0.0
07 03:15 S 9 4.00 Fog/Mist OVC016 53.6 51.8 94% 29.99 0.0
07 02:55 S 9 5.00 Fog/Mist OVC015 53.6 51.8 94% 29.99 0.0
07 02:35 S 7 4.00 Fog/Mist OVC015 53.6 53.6 100% 29.99 0.0
07 02:15 S 7 4.00 Fog/Mist OVC016 53.6 53.6 100% 29.99 0.0
07 01:55 S 8 4.00 Fog/Mist OVC016 53.6 53.6 100% 29.99 0.0
07 01:35 S 8 4.00 Fog/Mist OVC016 53.6 53.6 100% 30 0.0
07 01:15 S 10 4.00 Fog/Mist OVC016 53.6 53.6 100% 30 0.0
07 00:55 SE 8 4.00 Fog/Mist OVC016 53.6 53.6 100% 30 0.0
07 00:35 S 7 4.00 Fog/Mist OVC016 53.6 53.6 100% 30.01 0.0
07 00:15 S 8 4.00 Fog/Mist OVC016 53.6 51.8 94% 30 0.0
06 23:55 S 10 4.00 Fog/Mist OVC016 53.6 51.8 94% 30 0.0
06 23:35 S 10 4.00 Fog/Mist OVC015 53.6 51.8 94% 30 0.0
06 23:15 S 9 4.00 Fog/Mist OVC014 53.6 51.8 94% 30 0.0
06 22:55 S 9 4.00 Fog/Mist OVC014 53.6 51.8 94% 30 0.0
06 22:35 S 10 4.00 Fog/Mist OVC015 53.6 51.8 94% 30 0.0
06 22:15 S 10 4.00 Fog/Mist OVC013 53.6 53.6 100% 30 0.0
06 21:35 S 7 4.00 Fog/Mist OVC013 53.6 53.6 100% 29.98 0.0
06 21:15 S 7 4.00 Fog/Mist OVC014 53.6 53.6 100% 29.98 0.0
06 20:55 S 7 4.00 Fog/Mist OVC014 53.6 53.6 100% 29.97 0.0
06 20:35 S 9 4.00 Fog/Mist OVC014 53.6 53.6 100% 29.96 0.0
06 20:15 SE 10 3.00 Fog/Mist OVC014 53.6 53.6 100% 29.95 0.0
06 19:55 S 12 3.00 Fog/Mist BKN014 55.4 53.6 94% 29.95 0.0
06 19:35 S 9 G 15 3.00 Fog/Mist OVC014 55.4 51.8 88% 29.95 0.0
06 19:15 S 10 G 17 3.00 Fog/Mist OVC014 55.4 53.6 94% 29.95 0.0
06 18:55 S 9 3.00 Fog/Mist OVC014 55.4 53.6 94% 29.95 0.0
06 18:35 S 10 3.00 Fog/Mist OVC014 55.4 53.6 94% 29.95 0.0
06 18:15 S 9 3.00 Fog/Mist OVC014 55.4 53.6 94% 29.95 0.0
06 17:55 S 10 3.00 Fog/Mist OVC013 57.2 53.6 88% 29.94 0.0
06 17:35 S 12 3.00 Fog/Mist OVC014 57.2 53.6 88% 29.94 0.0
06 17:15 S 9 3.00 Fog/Mist OVC014 57.2 55.4 94% 29.94 0.0
06 16:55 S 10 3.00 Fog/Mist OVC014 57.2 55.4 94% 29.94 0.0
06 16:35 S 10 G 16 3.00 Fog/Mist OVC013 57.2 55.4 94% 29.94 0.0
06 16:15 S 10 3.00 Fog/Mist OVC013 57.2 55.4 94% 29.95 0.0
06 15:55 S 10 3.00 Fog/Mist OVC013 59 55.4 88% 29.95 0.0
06 15:35 S 12 3.00 Fog/Mist OVC013 59 55.4 88% 29.95 0.0
06 15:15 S 10 3.00 Fog/Mist OVC013 59 55.4 88% 29.96 0.0
06 14:55 S 9 2.50 Fog/Mist OVC013 59 55.4 88% 29.96 0.0
06 14:35 S 12 2.50 Fog/Mist OVC013 59 55.4 88% 29.96 0.0
06 14:15 S 12 3.00 Fog/Mist OVC013 59 55.4 88% 29.96 0.0
06 13:55 S 10 3.00 Fog/Mist OVC013 59 55.4 88% 29.97 0.0
06 13:35 S 12 3.00 Mostly Cloudy with Haze BKN013 59 55.4 88% 29.97 0.0
06 13:15 S 10 G 16 3.00 Mostly Cloudy with Haze BKN013 60.8 55.4 83% 29.97 0.0
06 12:55 S 8 G 16 3.00 Fog/Mist SCT013 59 55.4 88% 29.96 0.0
06 12:35 SE 10 2.50 Fog/Mist SCT018 59 55.4 88% 29.96 0.0
06 12:15 S 13 G 21 3.00 Overcast with Haze OVC018 59 55.4 88% 29.97 0.0
06 11:55 S 14 3.00 Mostly Cloudy with Haze BKN017 59 55.4 88% 29.97 0.0
06 11:35 S 13 3.00 A Few Clouds with Haze FEW018 59 55.4 88% 29.96 0.0
06 11:15 S 13 G 18 3.00 Fog/Mist CLR 59 55.4 88% 29.96 0.0
06 10:55 S 17 3.00 Fog/Mist CLR 59 53.6 82% 29.96 0.0
06 10:35 S 14 G 22 3.00 Fog/Mist CLR 59 55.4 88% 29.95 0.0
06 10:15 S 14 G 20 2.50 Fog/Mist BKN015 57.2 53.6 88% 29.95 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)