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.
08 04:35 Calm 14.48 Fair CLR 10 10 100% 76.05 0.0
08 04:15 Calm 14.48 Fair CLR 11 11 100% 76.05 0.0
08 03:55 Calm 14.48 Fair CLR 10 10 100% 76.05 0.0
08 03:35 Calm 14.48 Fair CLR 10 10 100% 76.05 0.0
08 03:15 Calm 14.48 Fair CLR 10 10 100% 76.02 0.0
08 02:55 Calm 14.48 Fair CLR 10 10 100% 76 0.0
08 02:35 Calm 14.48 Fair CLR 11 11 100% 76.02 0.0
08 02:15 Calm 14.48 Fair CLR 11 11 100% 76 0.0
08 01:55 Calm 14.48 Fair CLR 10 10 100% 76.02 0.0
08 01:35 Calm 14.48 Fair CLR 11 11 100% 76.02 0.0
08 01:15 NE 7 16.09 Fair CLR 11 10 94% 76.02 0.0
08 00:55 Calm 14.48 Fair CLR 11 10 94% 76.02 0.0
08 00:35 Calm 16.09 Fair CLR 11 10 94% 76.02 0.0
08 00:15 Calm 14.48 Fair CLR 11 10 94% 76.02 0.0
07 23:55 Calm 14.48 Fair CLR 12 11 94% 76.02 0.0
07 23:35 Calm 14.48 Fair CLR 12 11 94% 76.02 0.0
07 23:15 Calm 16.09 Fair CLR 12 11 94% 76.02 0.0
07 22:55 Calm 16.09 A Few Clouds FEW003 12 11 94% 76.02 0.0
07 22:35 Calm 16.09 A Few Clouds FEW003 13 11 88% 76.02 0.0
07 22:15 Calm 16.09 Fair CLR 13 12 94% 76.05 0.0
07 21:55 Calm 14.48 Fair CLR 13 12 94% 76.05 0.0
07 21:35 Calm 14.48 Fair CLR 14 12 88% 76.05 0.0
07 21:15 Calm 14.48 Fair CLR 15 13 88% 76.05 0.0
07 20:55 Calm 12.87 Fair CLR 15 12 82% 76.02 0.0
07 20:35 Calm 14.48 Fair CLR 16 12 77% 76.02 0.0
07 20:15 Calm 14.48 Fair CLR 17 12 73% 76 0.0
07 19:55 N 7 14.48 Fair CLR 19 11 60% 76 0.0
07 19:35 N 9 12.87 Fair CLR 19 11 60% 76 0.0
07 19:15 N 11 14.48 Fair CLR 20 11 56% 76.02 0.0
07 18:55 N 11 G 24 14.48 Fair CLR 20 11 56% 76.02 0.0
07 18:35 N 19 G 28 14.48 Fair CLR 20 12 60% 76 0.0
07 18:15 N 20 14.48 Fair CLR 20 14 69% 76.02 0.0
07 17:55 NW 19 12.87 Fair CLR 20 14 69% 76.02 0.0
07 17:35 N 19 14.48 Fair CLR 20 14 69% 76.02 0.0
07 17:15 N 19 12.87 Fair CLR 20 14 69% 76.02 0.0
07 16:55 NW 19 11.27 Fair CLR 20 14 69% 76.05 0.0
07 16:35 NW 19 11.27 Fair CLR 20 15 73% 76.05 0.0
07 16:15 N 19 9.66 Fair with Haze CLR 20 16 78% 76.05 0.0
07 15:55 NW 19 9.66 Haze NULL 20 17 83% 76.07 0.0
07 15:35 NW 19 9.66 Haze NULL 19 16 83% 76.05 0.0
07 15:15 NW 17 12.87 Fair CLR 20 16 78% 76.07 0.0
07 14:55 W 9 11.27 Fair CLR 19 16 83% 76.1 0.0
07 14:35 Vrbl 6 9.66 Fair with Haze CLR 19 16 83% 76.12 0.0
07 14:15 W 11 9.66 Fog/Mist CLR 18 16 88% 76.12 0.0
07 13:55 NW 11 9.66 Fog/Mist CLR 17 16 94% 76.15 0.0
07 13:35 W 11 8.05 Fog/Mist FEW005 18 16 88% 76.15 0.0
07 13:15 Vrbl 9 8.05 Fog/Mist CLR 17 16 94% 76.15 0.0
07 12:55 W 13 6.44 Fog/Mist CLR 18 16 88% 76.15 0.0
07 12:35 W 13 8.05 Fair with Haze CLR 19 16 83% 76.17 0.0
07 12:15 NW 13 8.05 Fair with Haze CLR 19 16 83% 76.17 0.0
07 11:55 NW 13 8.05 Fair with Haze CLR 18 16 88% 76.2 0.0
07 11:35 NW 11 8.05 Fair CLR 0 0 0% 76.2 0.0
07 11:15 NW 11 8.05 Fog/Mist CLR 18 16 88% 76.2 0.0
07 10:55 W 9 8.05 Fog/Mist NULL 18 16 88% 76.2 0.0
07 10:35 W 9 0.00 NULL NULL 0 0 0% 76.2 0.0
07 10:15 W 9 8.05 Fog/Mist CLR 17 15 88% 76.2 0.0
07 09:55 SW 6 8.05 Fog/Mist CLR 17 16 94% 76.2 0.0
07 09:35 SW 6 8.05 Fog/Mist CLR 16 15 94% 76.2 0.0
07 09:15 SW 6 6.44 Fog/Mist FEW008 16 15 94% 76.2 0.0
07 08:55 W 7 6.44 A Few Clouds FEW009 0 0 0% 76.2 0.0
07 08:35 Calm 8.05 Fog/Mist CLR 15 15 100% 76.2 0.0
07 08:15 Calm 11.27 Fair CLR 14 14 100% 76.2 0.0
07 07:55 Calm 9.66 Fog/Mist CLR 12 12 100% 76.17 0.0
07 07:35 Calm 9.66 Fog/Mist CLR 11 11 100% 76.17 0.0
07 07:15 Calm 9.66 Fog/Mist CLR 11 11 100% 76.15 0.0
07 06:55 Calm 9.66 Fog/Mist SCT009 10 10 100% 76.12 0.0
07 06:35 Calm 11.27 NULL NULL 0 0 0% 76.12 0.0
07 06:15 Calm 0.00 NULL NULL 11 11 100% 76.1 0.0
07 05:55 Calm 11.27 Fair CLR 11 11 100% 76.1 0.0
07 05:35 NE 6 11.27 Fair CLR 12 12 100% 76.1 0.0
07 05:15 Calm 11.27 Fair CLR 12 12 100% 76.1 0.0
07 04:55 Calm 12.87 Fair CLR 0 0 0% 0 0.0
07 04:35 E 7 11.27 Partly Cloudy SCT012 13 13 100% 76.12 0.0
07 04:15 Calm 11.27 Mostly Cloudy BKN012 14 14 100% 76.12 0.0
07 03:55 E 11 11.27 Overcast OVC012 14 14 100% 76.1 0.0
07 03:35 E 7 11.27 Overcast OVC012 14 14 100% 76.12 0.0
07 03:15 NE 6 11.27 Overcast OVC012 15 15 100% 76.12 0.0
07 02:55 Calm 11.27 Overcast OVC013 14 14 100% 76.12 0.0
07 02:35 Calm 11.27 Overcast OVC013 15 15 100% 76.12 0.0
07 02:15 Calm 9.66 Fog/Mist BKN014 15 15 100% 76.15 0.0
07 01:55 Calm 8.05 Fog/Mist OVC015 15 15 100% 76.15 0.0
07 01:35 Calm 8.05 Fog/Mist OVC013 15 15 100% 76.17 0.0
07 01:15 Calm 8.05 Fog/Mist OVC012 16 15 94% 76.17 0.0
07 00:55 Calm 9.66 Fog/Mist OVC012 15 15 100% 76.15 0.0
07 00:35 W 7 9.66 Fog/Mist OVC013 15 15 100% 76.15 0.0
07 00:15 NW 6 9.66 Fog/Mist OVC013 16 15 94% 76.12 0.0
06 23:55 NW 9 11.27 Overcast OVC013 0 0 0% 76.15 0.0
06 23:35 NW 9 9.66 Fog/Mist OVC013 16 15 94% 76.17 0.0
06 23:15 NW 7 9.66 Fog/Mist OVC013 16 15 94% 76.17 0.0
06 22:55 NW 7 9.66 Fog/Mist OVC013 16 15 94% 76.17 0.0
06 22:35 NW 20 11.27 Overcast OVC013 16 15 94% 76.17 0.0
06 22:15 NW 17 11.27 Overcast OVC014 0 0 0% 76.17 0.0
06 21:55 NW 17 11.27 Overcast OVC015 16 15 94% 76.17 0.0
06 21:35 NW 11 11.27 Overcast OVC015 16 15 94% 76.17 0.0
06 21:15 NW 11 11.27 Overcast OVC015 16 15 94% 76.17 0.0
06 20:15 NW 13 11.27 Overcast OVC015 16 15 94% 76.15 0.0
06 19:55 NW 11 9.66 Fog/Mist BKN015 16 15 94% 76.15 0.0
06 19:35 NW 11 9.66 Fog/Mist CLR 16 15 94% 76.15 0.0
06 19:15 NW 13 9.66 Fog/Mist FEW015 16 15 94% 76.15 0.0
06 18:55 NW 13 9.66 Fog/Mist SCT015 17 15 88% 76.15 0.0
06 18:35 NW 15 9.66 Fog/Mist BKN014 17 15 88% 76.15 0.0
06 18:15 NW 17 G 26 11.27 A Few Clouds FEW014 17 15 88% 76.15 0.0
06 17:55 NW 17 9.66 Partly Cloudy SCT014 0 0 0% 76.15 0.0
06 17:35 NW 17 G 26 11.27 Mostly Cloudy BKN014 18 15 83% 76.17 0.0
06 17:15 NW 19 11.27 Mostly Cloudy BKN015 18 15 83% 76.17 0.0
06 16:55 NW 17 11.27 Partly Cloudy SCT015 18 15 83% 76.17 0.0
06 16:35 NW 13 11.27 Partly Cloudy SCT014 18 15 83% 76.17 0.0
06 16:15 NW 15 G 24 11.27 Partly Cloudy SCT013 18 15 83% 76.17 0.0
06 15:55 NW 15 11.27 A Few Clouds FEW014 18 15 83% 76.17 0.0
06 15:35 NW 15 11.27 Fair CLR 19 15 78% 76.2 0.0
06 15:15 NW 15 11.27 A Few Clouds FEW015 18 15 83% 76.2 0.0
06 14:55 NW 13 9.66 A Few Clouds with Haze FEW015 19 15 78% 76.23 0.0
06 14:35 NW 17 9.66 Mostly Cloudy with Haze BKN015 18 15 83% 76.23 0.0
06 14:15 Vrbl 11 11.27 Mostly Cloudy BKN016 19 15 78% 76.23 0.0
06 13:55 NW 13 12.87 A Few Clouds FEW016 18 15 83% 76.23 0.0
06 13:35 NW 15 11.27 Fair CLR 18 14 78% 76.23 0.0
06 13:15 NW 13 11.27 Fair CLR 19 15 78% 76.25 0.0
06 12:55 W 13 9.66 Fair with Haze CLR 18 15 83% 76.23 0.0
06 12:35 W 13 11.27 Fair CLR 18 15 83% 76.23 0.0
06 12:15 W 15 11.27 Fair CLR 18 15 83% 76.23 0.0
06 11:55 SW 13 11.27 Fair CLR 18 15 83% 76.25 0.0
06 11:35 W 13 11.27 A Few Clouds FEW016 18 15 83% 76.25 0.0
06 11:15 Vrbl 9 11.27 Partly Cloudy SCT016 18 15 83% 76.23 0.0
06 10:55 Vrbl 7 9.66 Mostly Cloudy with Haze BKN015 18 15 83% 76.25 0.0
06 10:35 NW 9 11.27 Partly Cloudy SCT015 SCT021 17 15 88% 76.23 0.0
06 10:15 NW 6 11.27 Overcast OVC014 17 15 88% 76.23 0.0
06 09:55 NW 9 11.27 Overcast OVC015 17 15 88% 76.23 0.0
06 09:35 NW 9 9.66 Fog/Mist OVC016 16 15 94% 76.23 0.0
06 09:15 NW 11 12.87 Overcast OVC017 17 14 83% 76.23 0.0
06 08:55 N 11 11.27 Overcast OVC017 16 14 88% 76.23 0.0
06 08:35 NW 9 11.27 Overcast OVC015 16 15 94% 76.23 0.0
06 08:15 NW 9 11.27 Overcast OVC016 16 14 88% 76.23 0.0
06 07:55 N 9 11.27 Overcast OVC016 16 14 88% 76.23 0.0
06 07:35 NW 9 9.66 Fog/Mist OVC015 15 14 94% 76.23 0.0
06 07:15 N 9 11.27 Overcast OVC015 15 14 94% 76.2 0.0
06 06:55 NW 15 12.87 Overcast OVC015 15 14 94% 76.17 0.0
06 06:35 NW 9 12.87 Overcast OVC015 15 14 94% 76.15 0.0
06 06:15 N 15 14.48 Overcast OVC016 15 14 94% 76.15 0.0
06 05:55 NW 15 12.87 Overcast OVC016 15 14 94% 76.15 0.0
06 05:35 N 11 14.48 Overcast OVC016 15 14 94% 76.15 0.0
06 05:15 NW 11 14.48 Overcast OVC016 15 14 94% 76.15 0.0
06 04:55 NW 13 12.87 Overcast OVC016 15 14 94% 76.15 0.0
06 04:35 NW 9 12.87 Overcast OVC016 15 15 100% 76.15 0.0
06 04:15 NW 7 12.87 Overcast OVC015 15 14 94% 76.15 0.0
06 03:55 NW 15 12.87 Overcast OVC015 15 14 94% 76.15 0.0
06 03:35 N 13 14.48 Overcast OVC015 15 14 94% 76.15 0.0
06 03:15 NW 13 12.87 Overcast OVC015 15 14 94% 76.15 0.0
06 02:55 NW 15 12.87 Overcast OVC014 15 14 94% 76.15 0.0
06 02:35 NW 13 12.87 Overcast OVC014 15 15 100% 76.15 0.0
06 02:15 NW 15 12.87 Overcast OVC014 15 15 100% 76.15 0.0
06 01:55 N 13 12.87 Overcast OVC014 15 15 100% 76.15 0.0
06 01:35 Calm 9.66 Fog/Mist OVC015 15 15 100% 76.17 0.0
06 01:15 Calm 6.44 Fog/Mist OVC014 14 14 100% 76.17 0.0
06 00:55 Calm 11.27 Overcast OVC014 14 14 100% 76.17 0.0
06 00:35 SE 6 12.87 Overcast OVC014 14 14 100% 76.17 0.0
05 23:55 Calm 9.66 Fog/Mist BKN014 BKN065 14 14 100% 76.17 0.0
05 23:35 N 7 9.66 Fog/Mist SCT013 SCT070 15 15 100% 76.17 0.0
05 23:15 N 7 9.66 Fog/Mist BKN013 15 15 100% 76.17 0.0
05 22:55 N 6 11.27 Mostly Cloudy BKN012 15 15 100% 76.17 0.0
05 22:35 N 9 11.27 Overcast BKN010 OVC014 16 16 100% 76.2 0.0
05 22:15 N 9 G 22 9.66 Fog/Mist BKN012 16 16 100% 76.17 0.0
05 21:55 N 15 8.05 Fog/Mist BKN010 BKN013 16 16 100% 76.17 0.0
05 21:35 N 13 9.66 Mostly Cloudy BKN011 0 0 0% 76.17 0.0
05 20:55 N 13 8.05 Fog/Mist CLR 16 16 100% 76.15 0.0
05 20:35 N 11 8.05 Fog/Mist FEW010 16 16 100% 76.12 0.0
05 20:15 N 15 G 26 8.05 Fog/Mist CLR 16 16 100% 76.12 0.0
05 19:55 N 15 G 24 9.66 Fog/Mist CLR 16 15 94% 76.12 0.0
05 19:35 N 17 9.66 Fog/Mist CLR 16 15 94% 76.12 0.0
05 19:15 N 17 9.66 Fog/Mist CLR 16 16 100% 76.12 0.0
05 18:55 N 17 8.05 Fog/Mist CLR 17 16 94% 76.12 0.0
05 18:35 N 20 9.66 Fog/Mist CLR 17 16 94% 76.12 0.0
05 18:15 N 20 9.66 Fog/Mist CLR 18 16 88% 76.12 0.0
05 17:55 N 22 11.27 Fair CLR 18 16 88% 76.12 0.0
05 17:35 N 20 G 30 11.27 Fair CLR 18 15 83% 76.15 0.0
05 17:15 NW 24 11.27 Fair CLR 19 15 78% 76.15 0.0
05 16:55 NW 26 11.27 Fair CLR 0 0 0% 76.15 0.0
05 16:35 NW 30 11.27 Fair CLR 19 16 83% 76.15 0.0
05 16:15 NW 20 9.66 Fair with Haze CLR 19 16 83% 76.15 0.0
05 15:55 NW 22 11.27 Fair CLR 19 16 83% 76.17 0.0
05 15:35 NW 28 12.87 Fair CLR 19 16 83% 76.15 0.0
05 15:15 NW 24 G 33 11.27 Fair CLR 19 16 83% 76.17 0.0
05 14:55 NW 28 11.27 Fair CLR 19 16 83% 76.17 0.0
05 14:35 NW 26 11.27 Fair CLR 19 15 78% 76.17 0.0
05 14:15 NW 24 11.27 Fair CLR 19 15 78% 76.2 0.0
05 13:55 N 22 12.87 Fair CLR 19 15 78% 76.2 0.0
05 13:35 N 20 11.27 Fair CLR 19 16 83% 76.2 0.0
05 13:15 NW 17 12.87 Fair CLR 0 0 0% 76.17 0.0
05 10:55 W 9 9.66 Fog/Mist CLR 18 16 88% 76.2 0.0
05 10:35 W 13 9.66 Fog/Mist CLR 17 16 94% 76.2 0.0
05 10:15 W 13 9.66 Fog/Mist CLR 17 16 94% 76.17 0.0
05 09:55 NW 11 9.66 Fog/Mist CLR 17 16 94% 76.17 0.0
05 09:35 NW 11 8.05 Fog/Mist CLR 17 16 94% 76.15 0.0
05 09:15 NW 7 9.66 Fog/Mist CLR 17 16 94% 76.15 0.0
05 08:55 N 11 9.66 Fog/Mist BKN011 16 16 100% 76.15 0.0
05 08:35 N 7 9.66 Fog/Mist BKN008 BKN013 16 16 100% 76.15 0.0
05 08:15 Calm 11.27 Mostly Cloudy BKN008 15 15 100% 76.15 0.0
05 07:55 Calm 11.27 Fair CLR 13 13 100% 76.15 0.0
05 07:35 Calm 11.27 A Few Clouds FEW009 12 12 100% 76.12 0.0
05 07:15 E 6 11.27 Mostly Cloudy BKN010 12 12 100% 76.12 0.0
05 06:55 Calm 11.27 Overcast OVC009 12 12 100% 76.1 0.0
05 06:35 Calm 11.27 Mostly Cloudy BKN009 11 11 100% 76.1 0.0
05 06:15 Calm 11.27 Fair CLR 12 12 100% 76.1 0.0
05 05:55 Calm 11.27 Fair CLR 12 12 100% 76.1 0.0
05 05:35 Calm 11.27 A Few Clouds FEW010 13 13 100% 76.1 0.0
05 05:15 Calm 11.27 Fair CLR 13 13 100% 76.1 0.0
05 04:55 Vrbl 7 9.66 Fog/Mist FEW012 15 15 100% 76.1 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)