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
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.
23 11:55 W 9 14.48 Mostly Cloudy BKN010 14 14 100% 76.4 0.0
23 11:35 W 11 11.27 Mostly Cloudy BKN007 14 14 100% 76.4 0.0
23 11:15 Vrbl 6 11.27 Overcast OVC007 14 14 100% 76.4 0.0
23 10:55 Vrbl 7 11.27 Mostly Cloudy BKN007 14 13 94% 76.38 0.0
23 10:35 Vrbl 7 8.05 Fog/Mist FEW008 14 14 100% 76.38 0.0
23 10:15 Calm 9.66 Partly Cloudy SCT008 0 0 0% 76.38 0.0
23 09:55 SW 7 9.66 Fog/Mist OVC008 13 13 100% 76.35 0.0
23 09:35 Calm 8.05 Fog/Mist OVC007 13 13 100% 76.35 0.0
23 09:15 Calm 8.05 Fog/Mist OVC007 13 13 100% 76.35 0.0
23 08:55 W 7 9.66 Fog/Mist OVC007 13 13 100% 76.35 0.0
23 08:35 Calm 9.66 Fog/Mist OVC006 13 13 100% 76.35 0.0
23 08:15 W 9 9.66 Fog/Mist OVC006 0 0 0% 76.33 0.0
23 07:55 Calm 9.66 Fog/Mist OVC006 13 13 100% 76.33 0.0
23 07:35 Calm 9.66 Fog/Mist OVC006 13 13 100% 76.33 0.0
23 07:15 W 6 9.66 Fog/Mist OVC006 13 13 100% 76.3 0.0
23 06:55 Calm 11.27 Overcast OVC006 12 12 100% 76.3 0.0
23 06:35 Calm 11.27 Overcast OVC006 12 12 100% 76.28 0.0
23 06:15 Calm 8.05 Fog/Mist OVC006 12 12 100% 76.28 0.0
23 05:55 Calm 12.87 Overcast OVC006 12 12 100% 76.25 0.0
23 05:35 W 7 9.66 Fog/Mist OVC006 12 12 100% 76.25 0.0
23 05:15 W 7 8.05 Fog/Mist OVC005 12 12 100% 76.25 0.0
23 04:55 Calm 6.44 Fog/Mist OVC006 12 12 100% 76.25 0.0
23 04:35 Calm 8.05 Overcast OVC006 0 0 0% 76.25 0.0
23 04:15 W 6 9.66 Fog/Mist OVC005 12 12 100% 76.25 0.0
23 03:35 W 6 6.44 Fog/Mist OVC005 13 13 100% 76.25 0.0
23 03:15 Calm 4.83 Fog/Mist OVC005 13 13 100% 76.25 0.0
23 02:55 Calm 8.05 Fog/Mist OVC005 13 13 100% 76.23 0.0
23 02:35 SW 6 8.05 Fog/Mist OVC005 13 13 100% 76.23 0.0
23 02:15 Calm 6.44 Fog/Mist OVC005 13 13 100% 76.23 0.0
23 01:55 W 7 8.05 Fog/Mist OVC005 13 13 100% 76.23 0.0
23 01:35 Calm 8.05 Fog/Mist OVC005 13 13 100% 76.23 0.0
23 01:15 Calm 8.05 Fog/Mist OVC005 13 13 100% 76.23 0.0
23 00:55 Calm 11.27 Overcast OVC005 13 13 100% 76.23 0.0
23 00:35 Calm 9.66 Fog/Mist OVC005 13 13 100% 76.23 0.0
23 00:15 Calm 9.66 Fog/Mist OVC006 13 13 100% 76.23 0.0
22 23:55 W 9 9.66 Fog/Mist OVC006 13 13 100% 76.25 0.0
22 23:35 Calm 11.27 Overcast OVC007 13 13 100% 76.25 0.0
22 23:15 Calm 11.27 Overcast OVC007 13 13 100% 76.25 0.0
22 22:55 NW 7 11.27 Overcast OVC007 0 0 0% 76.28 0.0
22 22:15 W 7 12.87 Overcast OVC007 13 13 100% 76.25 0.0
22 21:55 Calm 12.87 Overcast OVC007 0 0 0% 76.25 0.0
22 21:15 NW 6 12.87 Overcast OVC008 0 0 0% 76.23 0.0
22 20:55 Calm 12.87 Overcast OVC009 14 14 100% 76.2 0.0
22 20:35 W 6 11.27 Overcast OVC009 14 14 100% 76.2 0.0
22 20:15 W 7 11.27 Overcast OVC009 14 14 100% 76.2 0.0
22 19:55 NW 7 11.27 Overcast OVC009 14 14 100% 76.2 0.0
22 19:35 W 7 8.05 Fog/Mist OVC009 14 14 100% 76.2 0.0
22 19:15 NW 7 6.44 Fog/Mist OVC008 14 14 100% 76.17 0.0
22 18:55 W 7 11.27 Mostly Cloudy BKN009 BKN013 14 14 100% 76.17 0.0
22 18:35 NW 9 11.27 Mostly Cloudy BKN009 BKN013 15 14 94% 76.15 0.0
22 18:15 Vrbl 11 11.27 Mostly Cloudy BKN012 15 14 94% 76.17 0.0
22 17:55 NW 11 4.83 Fog/Mist SCT012 14 14 100% 76.17 0.0
22 17:35 Vrbl 9 12.87 Mostly Cloudy BKN012 15 14 94% 76.17 0.0
22 17:15 NW 11 11.27 Mostly Cloudy BKN012 15 14 94% 76.17 0.0
22 16:55 NW 11 12.87 Overcast OVC013 15 14 94% 76.17 0.0
22 16:35 NW 11 11.27 Mostly Cloudy BKN012 15 14 94% 76.15 0.0
22 16:15 W 11 11.27 Mostly Cloudy BKN012 15 14 94% 76.15 0.0
22 15:55 Calm 11.27 Mostly Cloudy BKN013 15 14 94% 76.15 0.0
22 15:35 NW 11 9.66 Fog/Mist OVC013 15 14 94% 76.17 0.0
22 15:15 NW 9 11.27 Overcast OVC013 15 14 94% 76.17 0.0
22 14:55 W 11 9.66 Fog/Mist NULL 15 14 94% 76.17 0.0
22 14:15 Vrbl 9 9.66 Fog/Mist FEW008 BKN013 15 14 94% 76.17 0.0
22 13:55 W 11 6.44 Fog/Mist FEW008 BKN013 14 14 100% 76.17 0.0
22 13:35 W 11 8.05 Fog/Mist BKN012 15 14 94% 76.17 0.0
22 13:15 W 9 11.27 Mostly Cloudy BKN012 15 14 94% 76.17 0.0
22 12:55 NW 11 8.05 Fog/Mist FEW008 FEW013 14 14 100% 76.17 0.0
22 12:35 NW 13 8.05 Fog/Mist FEW008 15 14 94% 76.17 0.0
22 12:15 W 11 8.05 Fog/Mist FEW007 15 14 94% 76.17 0.0
22 11:55 W 9 4.02 Fog/Mist BKN007 14 14 100% 76.15 0.0
22 11:35 W 6 6.44 Fog/Mist SCT007 14 14 100% 76.15 0.0
22 11:15 W 7 4.83 Fog/Mist SCT007 14 14 100% 76.15 0.0
22 10:55 Calm 6.44 Fog/Mist SCT007 14 14 100% 76.15 0.0
22 10:35 Calm 6.44 Fog/Mist SCT008 14 14 100% 76.12 0.0
22 10:15 NW 7 8.05 Fog/Mist BKN008 14 13 94% 76.12 0.0
22 09:55 W 6 8.05 Fog/Mist BKN007 13 13 100% 76.12 0.0
22 09:35 W 9 6.44 Fog/Mist OVC007 13 13 100% 76.12 0.0
22 09:15 W 9 4.83 Fog/Mist BKN008 13 13 100% 76.12 0.0
22 08:55 NW 7 8.05 Fog/Mist BKN008 13 13 100% 76.12 0.0
22 08:35 W 9 8.05 Overcast OVC008 0 0 0% 76.1 0.0
22 08:15 W 7 6.44 Fog/Mist OVC008 13 13 100% 76.1 0.0
22 07:55 Calm 8.05 Fog/Mist BKN009 13 13 100% 76.1 0.0
22 07:35 Calm 4.02 Fog/Mist OVC008 13 13 100% 76.1 0.0
22 07:15 Calm 8.05 Fog/Mist OVC009 13 13 100% 76.07 0.0
22 06:55 Calm 4.02 Fog/Mist OVC008 13 13 100% 76.07 0.0
22 06:35 Calm 4.83 Fog/Mist OVC008 13 13 100% 76.07 0.0
22 06:15 NW 6 4.83 Fog/Mist OVC008 13 13 100% 76.05 0.0
22 05:55 Calm 8.05 Fog/Mist OVC008 13 13 100% 76.05 0.0
22 05:35 NW 7 8.05 Fog/Mist OVC008 13 13 100% 76.05 0.0
22 05:15 W 7 8.05 Fog/Mist OVC008 13 13 100% 76.02 0.0
22 04:55 W 7 4.02 Fog/Mist OVC007 13 13 100% 76.05 0.0
22 04:35 Calm 6.44 Overcast OVC008 0 0 0% 76.02 0.0
22 04:15 NW 6 8.05 Fog/Mist OVC008 13 13 100% 76.02 0.0
22 03:55 Calm 6.44 Fog/Mist OVC008 13 13 100% 76.02 0.0
22 03:35 W 7 6.44 Fog/Mist OVC007 13 13 100% 76.02 0.0
22 03:15 Calm 6.44 Fog/Mist OVC008 13 13 100% 76.02 0.0
22 02:55 Calm 6.44 Fog/Mist OVC008 13 13 100% 76.02 0.0
22 02:35 Vrbl 6 8.05 Fog/Mist OVC008 13 13 100% 76.02 0.0
22 02:15 W 6 8.05 Fog/Mist OVC008 13 13 100% 76.02 0.0
22 01:55 Calm 6.44 Fog/Mist OVC008 13 13 100% 76.02 0.0
22 01:35 NW 7 8.05 Fog/Mist OVC008 13 13 100% 76.05 0.0
22 01:15 W 6 8.05 Fog/Mist OVC007 13 13 100% 76.05 0.0
22 00:55 NW 6 6.44 Fog/Mist OVC007 13 13 100% 76.05 0.0
22 00:35 W 7 6.44 Fog/Mist OVC007 13 13 100% 76.05 0.0
22 00:15 Calm 6.44 Fog/Mist OVC007 13 13 100% 76.05 0.0
21 23:55 Calm 6.44 Fog/Mist OVC006 13 13 100% 76.05 0.0
21 23:35 W 9 8.05 Fog/Mist OVC006 13 13 100% 76.05 0.0
21 23:15 NW 11 6.44 Fog/Mist OVC006 13 13 100% 76.05 0.0
21 22:55 Calm 8.05 Fog/Mist OVC006 13 13 100% 76.05 0.0
21 22:35 Calm 8.05 Fog/Mist OVC006 13 13 100% 76.05 0.0
21 22:15 NW 7 8.05 Fog/Mist OVC006 13 13 100% 76.05 0.0
21 21:55 Calm 8.05 Fog/Mist OVC007 13 13 100% 76.02 0.0
21 21:35 Calm 8.05 Fog/Mist OVC007 13 13 100% 76.02 0.0
21 21:15 Vrbl 6 8.05 Fog/Mist OVC007 13 13 100% 76 0.0
21 20:55 NW 6 8.05 Fog/Mist OVC007 13 13 100% 76 0.0
21 20:35 NW 9 4.83 Fog/Mist OVC007 13 13 100% 76 0.0
21 20:15 NW 11 4.83 Fog/Mist OVC007 13 13 100% 76 0.0
21 19:15 NW 9 G 19 6.44 Fog/Mist OVC007 14 14 100% 76 0.0
21 18:55 NW 15 4.83 Fog/Mist OVC008 14 14 100% 76 0.0
21 18:35 NW 11 6.44 Fog/Mist OVC007 14 14 100% 76 0.0
21 18:15 NW 13 6.44 Fog/Mist OVC007 14 14 100% 76 0.0
21 17:55 NW 13 4.83 Fog/Mist OVC006 14 14 100% 76 0.0
21 17:35 Vrbl 7 9.66 Fog/Mist OVC007 14 14 100% 76 0.0
21 17:15 NW 9 11.27 Overcast OVC007 14 14 100% 76 0.0
21 16:55 W 11 6.44 Fog/Mist BKN008 15 14 94% 76.02 0.0
21 16:35 W 11 6.44 Mostly Cloudy BKN008 0 0 0% 76.02 0.0
21 16:15 W 11 6.44 Fog/Mist SCT008 SCT013 15 14 94% 76.02 0.0
21 15:55 Vrbl 7 8.05 Fog/Mist SCT012 15 14 94% 76.02 0.0
21 15:35 W 11 8.05 Fog/Mist FEW008 BKN013 16 14 88% 76.05 0.0
21 15:15 W 13 8.05 Fog/Mist SCT012 16 14 88% 76.05 0.0
21 14:55 W 15 9.66 Fog/Mist BKN013 16 15 94% 76.05 0.0
21 14:35 W 15 11.27 Overcast OVC013 16 14 88% 76.05 0.0
21 14:15 W 15 11.27 Overcast OVC013 17 14 83% 76.05 0.0
21 13:55 SW 13 11.27 Overcast OVC013 17 14 83% 76.05 0.0
21 13:35 W 15 8.05 Fog/Mist OVC013 16 14 88% 76.05 0.0
21 13:15 W 11 11.27 Overcast OVC013 16 14 88% 76.07 0.0
21 12:55 W 13 11.27 Overcast OVC013 16 14 88% 76.07 0.0
21 12:35 SW 13 11.27 Overcast OVC013 15 14 94% 76.07 0.0
21 12:15 SW 11 14.48 Overcast OVC013 15 14 94% 76.07 0.0
21 11:55 W 9 6.44 Fog/Mist SCT013 15 14 94% 76.1 0.0
21 11:35 SW 11 11.27 A Few Clouds FEW012 15 14 94% 76.07 0.0
21 11:15 W 13 9.66 Fog/Mist BKN012 15 14 94% 76.07 0.0
21 10:55 W 11 14.48 Mostly Cloudy BKN012 15 14 94% 76.07 0.0
21 10:35 SW 9 12.87 Mostly Cloudy BKN011 0 0 0% 76.1 0.0
21 10:15 W 7 11.27 Partly Cloudy SCT009 SCT013 14 14 100% 76.1 0.0
21 09:55 SW 7 11.27 Mostly Cloudy BKN009 14 14 100% 76.1 0.0
21 09:35 Calm 11.27 Mostly Cloudy BKN009 14 14 100% 76.1 0.0
21 09:15 SW 7 11.27 Mostly Cloudy BKN009 BKN013 14 14 100% 76.1 0.0
21 08:55 Calm 14.48 Mostly Cloudy BKN009 BKN013 14 14 100% 76.1 0.0
21 08:35 Calm 11.27 Overcast OVC008 14 14 100% 76.1 0.0
21 08:15 Calm 9.66 Fog/Mist OVC008 14 14 100% 76.1 0.0
21 07:55 Calm 8.05 Fog/Mist OVC008 14 14 100% 76.07 0.0
21 07:35 Calm 9.66 Fog/Mist OVC008 14 14 100% 76.07 0.0
21 07:15 Calm 9.66 Fog/Mist OVC008 13 13 100% 76.07 0.0
21 06:55 Calm 8.05 Fog/Mist OVC008 13 13 100% 76.07 0.0
21 06:35 NW 6 9.66 Fog/Mist OVC008 13 13 100% 76.07 0.0
21 06:15 W 7 11.27 Overcast OVC008 13 13 100% 76.05 0.0
21 05:55 Calm 9.66 Fog/Mist OVC008 13 13 100% 76.05 0.0
21 05:35 W 7 9.66 Fog/Mist OVC007 13 13 100% 76.05 0.0
21 05:15 Calm 6.44 Fog/Mist OVC007 13 13 100% 76.05 0.0
21 04:55 Calm 9.66 Fog/Mist OVC007 13 13 100% 76.07 0.0
21 04:35 Calm 8.05 Fog/Mist OVC007 13 13 100% 76.07 0.0
21 04:15 W 9 9.66 Overcast OVC007 0 0 0% 76.07 0.0
21 03:55 Calm 12.87 Overcast OVC007 13 13 100% 76.07 0.0
21 03:35 NW 9 14.48 Overcast OVC007 13 13 100% 76.07 0.0
21 03:15 Calm 14.48 Overcast OVC007 13 13 100% 76.07 0.0
21 02:55 NW 6 14.48 Overcast OVC009 14 14 100% 76.07 0.0
21 02:35 NW 6 12.87 Overcast OVC009 14 14 100% 76.07 0.0
21 02:15 NW 9 12.87 Overcast OVC011 14 14 100% 76.1 0.0
21 01:55 W 7 14.48 Overcast OVC013 14 13 94% 76.1 0.0
21 01:35 NW 7 14.48 Overcast OVC012 14 14 100% 76.12 0.0
21 01:15 NW 13 14.48 Overcast OVC013 14 14 100% 76.12 0.0
21 00:55 N 11 16.09 Overcast OVC014 14 14 100% 76.12 0.0
21 00:35 NW 11 16.09 Overcast OVC016 14 13 94% 76.12 0.0
21 00:15 NW 9 14.48 Overcast OVC016 14 13 94% 76.15 0.0
20 23:55 NW 11 14.48 Overcast OVC017 14 13 94% 76.15 0.0
20 23:35 N 9 16.09 Overcast OVC017 14 13 94% 76.15 0.0
20 23:15 NW 11 14.48 Overcast OVC019 14 13 94% 76.15 0.0
20 22:55 NW 9 14.48 Mostly Cloudy BKN017 14 13 94% 76.17 0.0
20 22:35 NW 11 14.48 Mostly Cloudy BKN013 14 14 100% 76.2 0.0
20 22:15 NW 15 14.48 A Few Clouds FEW012 14 14 100% 76.17 0.0
20 21:55 NW 11 14.48 Partly Cloudy SCT011 14 14 100% 76.17 0.0
20 21:35 NW 15 14.48 A Few Clouds FEW011 14 14 100% 76.17 0.0
20 21:15 N 17 14.48 Fair CLR 0 0 0% 76.17 0.0
20 20:55 N 11 14.48 Fair CLR 14 14 100% 76.15 0.0
20 20:35 N 11 14.48 Fair CLR 15 14 94% 76.15 0.0
20 20:15 NW 13 14.48 Fair CLR 15 15 100% 76.17 0.0
20 19:55 NW 19 12.87 A Few Clouds FEW009 FEW013 15 15 100% 76.17 0.0
20 19:35 N 19 14.48 A Few Clouds FEW013 16 15 94% 76.17 0.0
20 19:15 NW 17 14.48 Fair CLR 17 14 83% 76.17 0.0
20 18:55 NW 15 14.48 Fair CLR 17 14 83% 76.17 0.0
20 18:35 NW 15 14.48 Fair CLR 17 14 83% 76.17 0.0
20 18:15 NW 17 16.09 Fair CLR 17 14 83% 76.17 0.0
20 17:55 NW 13 14.48 Fair CLR 18 14 78% 76.17 0.0
20 17:35 NW 15 14.48 Fair CLR 18 14 78% 76.17 0.0
20 17:15 NW 13 14.48 Fair CLR 18 14 78% 76.17 0.0
20 16:55 NW 15 14.48 Fair CLR 18 14 78% 76.2 0.0
20 16:35 NW 15 12.87 Fair CLR 18 14 78% 76.2 0.0
20 16:15 NW 15 14.48 Fair CLR 18 14 78% 76.2 0.0
20 15:55 NW 13 14.48 Fair CLR 18 14 78% 76.2 0.0
20 15:35 NW 15 14.48 Fair CLR 18 14 78% 76.23 0.0
20 15:15 NW 15 14.48 Fair CLR 18 14 78% 76.23 0.0
20 14:55 NW 15 12.87 Fair CLR 18 14 78% 76.25 0.0
20 14:35 NW 17 14.48 Partly Cloudy SCT030 18 14 78% 76.25 0.0
20 14:15 NW 13 14.48 Overcast OVC030 19 15 78% 76.25 0.0
20 13:55 NW 15 14.48 Overcast OVC031 19 14 73% 76.25 0.0
20 13:35 W 13 14.48 Overcast OVC031 19 14 73% 76.25 0.0
20 13:15 NW 13 14.48 Overcast OVC032 18 14 78% 76.25 0.0
20 12:55 W 11 14.48 Overcast OVC033 19 14 73% 76.25 0.0
20 12:35 Vrbl 9 14.48 Overcast OVC033 18 14 78% 76.28 0.0
20 12:15 W 11 16.09 Overcast OVC033 18 14 78% 76.28 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)