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 (pst) 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.
05 15:55 N 26 G 44 8.05 Fair with Haze CLR 14 11 82% 76.58 0.0
05 15:35 N 26 G 48 8.05 Fair with Haze CLR 14 11 82% 76.58 0.0
05 15:15 N 37 G 48 9.66 Fair with Haze and Breezy CLR 15 11 77% 76.58 0.0
05 14:55 N 26 G 41 8.05 Fair with Haze CLR 15 11 77% 76.61 0.0
05 14:35 N 24 G 35 11.27 Fair CLR 15 11 77% 76.61 0.0
05 14:15 N 24 G 39 12.87 Fair CLR 15 11 77% 76.61 0.0
05 13:55 N 30 12.87 Fair CLR 15 11 77% 76.61 0.0
05 13:35 N 26 G 41 12.87 Fair CLR 15 10 72% 76.63 0.0
05 13:15 Calm 12.87 Fair CLR 15 10 72% 76.66 0.0
05 12:55 N 31 14.48 Fair CLR 14 9 72% 76.68 0.0
05 12:35 N 28 G 37 14.48 Fair CLR 14 9 72% 76.71 0.0
05 12:15 N 28 G 39 14.48 Fair CLR 14 10 77% 76.71 0.0
05 11:55 N 22 G 39 14.48 Fair CLR 14 10 77% 76.73 0.0
05 11:35 NW 28 G 39 14.48 Fair CLR 14 9 72% 76.76 0.0
05 11:15 NW 31 14.48 Fair CLR 14 9 72% 76.76 0.0
05 10:55 NW 26 G 39 12.87 Fair CLR 14 10 77% 76.76 0.0
05 10:35 N 30 14.48 Fair CLR 14 10 77% 76.76 0.0
05 10:15 NW 20 14.48 NULL NULL 14 10 77% 76.76 0.0
05 09:35 NW 26 12.87 Fair CLR 13 9 77% 76.76 0.0
05 09:15 NW 24 G 35 14.48 Fair CLR 13 9 77% 76.76 0.0
05 08:55 N 22 G 35 14.48 Fair CLR 13 9 77% 76.76 0.0
05 08:35 N 20 G 31 12.87 Fair CLR 12 9 82% 76.76 0.0
05 08:15 N 24 G 33 14.48 Fair CLR 12 9 82% 76.76 0.0
05 07:55 N 26 14.48 Fair CLR 12 9 82% 76.73 0.0
05 07:35 N 19 G 30 14.48 Fair CLR 11 9 88% 76.73 0.0
05 07:15 N 19 G 30 12.87 Fair CLR 11 9 88% 76.73 0.0
05 06:55 N 7 14.48 Fair CLR 6 6 100% 5 76.71 0.0
05 06:35 N 6 14.48 Fair CLR 10 8 88% 76.71 0.0
05 06:15 N 7 16.09 Fair CLR 9 8 94% 8 76.71 0.0
05 05:55 N 11 14.48 Fair CLR 9 8 94% 8 76.68 0.0
05 05:35 N 11 16.09 Fair CLR 10 8 88% 9 76.68 0.0
05 05:15 N 11 14.48 Fair CLR 10 8 88% 9 76.66 0.0
05 04:55 N 13 14.48 Fair CLR 10 8 88% 8 76.66 0.0
05 04:35 N 15 14.48 Fair CLR 11 9 88% 76.63 0.0
05 04:15 N 20 14.48 Fair CLR 11 9 88% 76.66 0.0
05 03:55 N 15 G 28 16.09 Fair CLR 11 9 88% 76.66 0.0
05 03:35 N 19 G 30 14.48 Fair CLR 11 9 88% 76.66 0.0
05 03:15 N 11 14.48 Fair CLR 10 9 94% 9 76.66 0.0
05 02:55 N 11 G 20 12.87 Fair CLR 11 9 88% 76.66 0.0
05 02:35 N 15 14.48 Fair CLR 11 9 88% 76.66 0.0
05 02:15 N 19 G 35 14.48 Fair CLR 11 10 94% 76.66 0.0
05 01:55 N 19 G 31 14.48 Fair CLR 11 9 88% 76.68 0.0
05 01:35 N 20 G 37 14.48 Fair CLR 12 10 88% 76.68 0.0
05 01:15 N 24 G 33 12.87 Fair CLR 11 10 94% 76.68 0.0
05 00:55 N 26 12.87 Fair CLR 12 10 88% 76.68 0.0
05 00:35 N 22 G 39 14.48 Fair CLR 12 9 82% 76.68 0.0
05 00:15 N 28 G 39 12.87 Fair CLR 12 9 82% 76.68 0.0
04 23:55 N 33 G 48 12.87 Fair and Breezy CLR 12 9 82% 76.68 0.0
04 23:35 N 26 G 44 12.87 Fair CLR 12 10 88% 76.73 0.0
04 23:15 N 30 G 44 11.27 Fair CLR 12 10 88% 76.71 0.0
04 22:55 N 26 G 46 11.27 Fair CLR 12 10 88% 76.68 0.0
04 22:35 N 31 G 46 12.87 Fair CLR 12 10 88% 76.68 0.0
04 22:15 N 39 G 50 11.27 A Few Clouds and Breezy FEW019 12 10 88% 76.68 0.0
04 21:55 N 28 11.27 Partly Cloudy SCT018 12 10 88% 76.68 0.0
04 21:35 N 31 G 52 11.27 Mostly Cloudy SCT019 BKN023 12 10 88% 76.66 0.0
04 21:15 N 33 G 54 11.27 Mostly Cloudy and Breezy BKN021 BKN030 12 10 88% 76.66 0.0
04 20:55 N 33 G 48 11.27 Partly Cloudy and Breezy SCT021 SCT029 12 10 88% 76.66 0.0
04 20:35 N 41 G 57 11.27 A Few Clouds and Breezy FEW021 FEW029 12 10 88% 76.63 0.0
04 20:15 N 35 G 54 9.66 Partly Cloudy with Haze and Breezy BKN020 SCT031 12 10 88% 76.63 0.0
04 19:55 N 35 G 48 9.66 Haze and Breezy NULL 12 10 88% 76.63 0.0
04 19:35 N 35 G 46 11.27 Mostly Cloudy and Breezy BKN021 BKN036 0 0 0% 76.63 0.0
04 19:15 N 33 G 48 11.27 Partly Cloudy and Breezy SCT022 SCT036 12 10 88% 76.63 0.0
04 18:55 N 28 G 46 11.27 Partly Cloudy SCT022 SCT036 13 10 82% 76.63 0.0
04 18:35 N 28 G 43 11.27 A Few Clouds FEW024 12 10 88% 76.63 0.0
04 18:15 N 35 G 46 8.05 Fair with Haze and Breezy CLR 13 10 82% 76.61 0.0
04 17:55 N 31 G 48 9.66 Fair with Haze CLR 13 10 82% 76.61 0.0
04 17:35 N 39 9.66 Fair with Haze and Breezy CLR 13 10 82% 76.61 0.0
04 17:15 N 28 G 44 9.66 Fair with Haze CLR 14 10 77% 76.61 0.0
04 16:55 N 24 G 39 9.66 Fair with Haze CLR 14 10 77% 76.63 0.0
04 16:35 NW 33 G 44 9.66 Fair with Haze and Breezy CLR 14 10 77% 76.63 0.0
04 16:15 N 33 9.66 Fair with Haze and Breezy CLR 14 10 77% 76.61 0.0
04 15:55 N 26 G 43 11.27 A Few Clouds FEW023 14 11 82% 76.63 0.0
04 15:35 N 33 G 46 11.27 Fair and Breezy CLR 15 10 72% 76.63 0.0
04 15:15 NW 37 G 46 11.27 Fair and Breezy CLR 15 10 72% 76.63 0.0
04 14:55 NW 33 G 48 11.27 Fair and Breezy CLR 15 10 72% 76.63 0.0
04 14:35 NW 33 G 46 12.87 Fair and Breezy CLR 15 10 72% 76.66 0.0
04 14:15 NW 33 G 44 12.87 Fair and Breezy CLR 15 11 77% 76.66 0.0
04 13:55 NW 30 G 43 12.87 Partly Cloudy SCT018 15 12 82% 76.66 0.0
04 13:35 NW 30 G 43 12.87 NULL NULL 15 13 88% 76.66 0.0
04 13:15 NW 26 0.00 NULL NULL 0 0 0% 76.66 0.0
03 11:35 NW 17 16.09 NULL NULL 14 13 94% 76.58 0.0
03 11:15 NW 19 14.48 NULL NULL 14 13 94% 76.61 0.0
03 10:55 NW 15 16.09 NULL NULL 14 13 94% 76.58 0.0
03 10:35 NW 13 14.48 NULL NULL 13 13 100% 76.61 0.0
03 10:15 N 11 12.87 NULL NULL 13 13 100% 76.61 0.0
03 09:55 NW 13 12.87 NULL NULL 13 13 100% 76.61 0.0
03 09:35 NW 11 16.09 Overcast OVC011 13 13 100% 76.63 0.0
03 09:15 N 7 16.09 Overcast OVC011 13 13 100% 76.61 0.0
03 08:55 N 7 16.09 Overcast OVC010 13 13 100% 76.61 0.0
03 08:35 N 11 16.09 Overcast OVC009 13 13 100% 76.61 0.0
03 07:55 N 7 16.09 Overcast OVC009 12 12 100% 76.61 0.0
03 06:55 N 13 16.09 Overcast OVC010 13 13 100% 76.56 0.0
03 06:35 NW 17 16.09 Overcast OVC010 13 13 100% 76.56 0.0
03 06:15 NW 15 16.09 Overcast OVC014 13 13 100% 76.53 0.0
03 05:55 NW 17 16.09 Overcast OVC015 13 13 100% 76.53 0.0
03 05:35 N 13 16.09 Overcast OVC015 13 13 100% 76.53 0.0
03 05:15 NW 19 16.09 Overcast OVC015 13 13 100% 76.53 0.0
03 04:55 NW 20 14.48 Overcast OVC014 13 13 100% 76.5 0.0
03 04:35 NW 20 14.48 Overcast FEW008 OVC014 13 13 100% 76.5 0.0
03 03:55 NW 13 G 22 12.87 Overcast OVC011 13 13 100% 76.48 0.0
03 03:35 NW 13 14.48 Overcast BKN009 OVC015 13 13 100% 76.48 0.0
03 03:15 NW 17 12.87 Overcast FEW008 OVC014 13 13 100% 76.45 0.0
03 02:55 N 17 16.09 Overcast OVC013 13 13 100% 76.48 0.0
03 02:35 NW 19 16.09 Overcast SCT009 OVC013 13 13 100% 76.48 0.0
03 02:15 Calm 16.09 Overcast BKN008 OVC013 12 12 100% 76.5 0.0
03 01:55 Calm 16.09 Overcast OVC012 12 12 100% 76.5 0.0
03 01:35 Calm 16.09 Overcast BKN010 OVC013 11 11 100% 76.53 0.0
03 01:15 Calm 16.09 Overcast OVC009 11 11 100% 76.53 0.0
03 00:55 E 9 16.09 Overcast OVC009 10 10 100% 9 76.5 0.0
03 00:35 NE 6 16.09 Mostly Cloudy BKN009 10 10 100% 76.5 0.0
03 00:15 Calm 16.09 Fair CLR 10 10 100% 76.48 0.0
02 23:55 Calm 16.09 Fair CLR 10 10 100% 76.45 0.0
02 23:35 Calm 16.09 Fair CLR 10 10 100% 76.43 0.0
02 23:15 Calm 16.09 Fair CLR 11 11 100% 76.45 0.0
02 22:55 Calm 16.09 Partly Cloudy SCT013 12 12 100% 76.43 0.0
02 22:35 N 9 16.09 Mostly Cloudy BKN013 13 13 100% 76.48 0.0
02 22:15 N 11 16.09 Overcast OVC014 14 14 100% 76.48 0.0
02 21:35 N 15 16.09 Overcast OVC017 14 14 100% 76.5 0.0
02 21:15 N 11 16.09 Overcast OVC017 14 13 94% 76.5 0.0
02 20:55 NW 13 16.09 Overcast OVC016 14 13 94% 76.5 0.0
02 20:35 N 11 16.09 Overcast OVC014 14 14 100% 76.5 0.0
02 20:15 N 11 16.09 Overcast OVC015 14 14 100% 76.5 0.0
02 19:55 N 11 16.09 Overcast OVC014 14 14 100% 76.48 0.0
02 19:35 N 11 16.09 Overcast OVC012 13 13 100% 76.48 0.0
02 19:15 N 9 16.09 Overcast OVC012 13 13 100% 76.45 0.0
02 18:55 N 7 16.09 Overcast OVC012 13 13 100% 76.45 0.0
02 18:35 NW 9 16.09 Overcast OVC012 13 13 100% 76.43 0.0
02 18:15 NW 11 16.09 Mostly Cloudy BKN012 13 13 100% 76.4 0.0
02 17:55 NW 6 16.09 Partly Cloudy SCT012 14 14 100% 0 0.0
02 17:35 NW 7 16.09 Fair CLR 14 14 100% 76.4 0.0
02 17:15 NW 9 16.09 Fair CLR 14 14 100% 76.4 0.0
02 16:55 NW 9 16.09 Fair CLR 15 14 94% 76.38 0.0
02 16:35 NW 11 16.09 Fair CLR 15 14 94% 76.38 0.0
02 16:15 NW 9 16.09 Fair CLR 15 14 94% 76.38 0.0
Date Time (pst) 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)