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 08:55 NW 9 14.48 A Few Clouds FEW100 14 13 94% 76.3 0.0
08 08:35 NW 7 8.05 Fog/Mist SCT100 13 13 100% 76.33 0.0
08 08:15 Calm 12.87 Mostly Cloudy BKN100 13 13 100% 76.33 0.0
08 07:55 Calm 14.48 Partly Cloudy SCT100 13 13 100% 76.35 0.0
08 07:35 Calm 12.87 A Few Clouds FEW100 12 12 100% 76.33 0.0
08 07:15 Calm 12.87 Fair CLR 11 11 100% 76.33 0.0
08 06:55 Calm 14.48 Fair CLR 11 11 100% 76.3 0.0
08 06:15 Calm 16.09 Fair CLR 12 12 100% 76.28 0.0
08 05:55 N 6 16.09 Partly Cloudy SCT012 SCT100 12 12 100% 76.28 0.0
08 05:35 N 6 16.09 Overcast OVC012 0 0 0% 76.3 0.0
08 05:15 N 6 16.09 Overcast OVC012 12 12 100% 76.3 0.0
08 04:55 N 9 16.09 Overcast OVC012 13 12 94% 76.3 0.0
08 04:35 NW 17 16.09 Overcast OVC011 13 13 100% 76.3 0.0
08 04:15 N 13 16.09 Overcast OVC012 13 13 100% 76.3 0.0
08 03:55 N 13 16.09 Overcast OVC012 13 13 100% 76.3 0.0
08 03:35 Calm 16.09 Overcast OVC012 11 11 100% 76.33 0.0
08 03:15 Calm 16.09 Overcast OVC012 11 11 100% 76.3 0.0
08 02:55 Calm 16.09 Overcast OVC011 11 11 100% 76.33 0.0
08 02:35 Calm 16.09 Mostly Cloudy BKN012 10 10 100% 76.3 0.0
08 02:15 Calm 16.09 Mostly Cloudy BKN012 11 11 100% 76.33 0.0
08 01:55 Calm 14.48 Mostly Cloudy BKN012 12 12 100% 76.33 0.0
08 01:35 NW 9 14.48 Overcast OVC011 12 12 100% 76.35 0.0
08 01:15 N 6 16.09 Overcast OVC011 0 0 0% 76.35 0.0
08 00:55 Calm 16.09 Overcast OVC011 11 11 100% 76.35 0.0
08 00:35 Calm 14.48 Mostly Cloudy BKN011 12 12 100% 76.35 0.0
08 00:15 N 6 16.09 Mostly Cloudy BKN012 12 12 100% 76.35 0.0
07 23:55 Calm 16.09 Mostly Cloudy BKN012 12 12 100% 76.38 0.0
07 23:35 Calm 16.09 Mostly Cloudy BKN012 12 12 100% 76.38 0.0
07 23:15 N 6 16.09 Mostly Cloudy BKN012 12 12 100% 76.38 0.0
07 22:55 NW 15 16.09 Mostly Cloudy BKN012 12 12 100% 76.4 0.0
07 22:35 N 11 14.48 Mostly Cloudy BKN012 12 12 100% 76.4 0.0
07 22:15 NW 15 14.48 Mostly Cloudy BKN013 12 12 100% 76.4 0.0
07 21:55 NW 13 14.48 Mostly Cloudy BKN013 12 12 100% 76.38 0.0
07 21:35 NW 17 14.48 Mostly Cloudy BKN013 13 12 94% 76.4 0.0
07 21:15 NW 15 16.09 Mostly Cloudy BKN013 13 12 94% 76.38 0.0
07 20:55 NW 15 16.09 Partly Cloudy SCT013 12 12 100% 76.38 0.0
07 20:35 N 11 16.09 Mostly Cloudy BKN013 12 12 100% 76.35 0.0
07 20:15 NW 15 16.09 Mostly Cloudy BKN013 12 12 100% 76.35 0.0
07 19:55 NW 17 16.09 Mostly Cloudy BKN012 12 12 100% 76.35 0.0
07 19:35 NW 11 16.09 Partly Cloudy SCT013 12 12 100% 76.35 0.0
07 19:15 N 15 14.48 A Few Clouds FEW013 13 12 94% 76.35 0.0
07 18:55 NW 17 16.09 A Few Clouds FEW013 13 12 94% 76.35 0.0
07 18:35 NW 17 14.48 Fair CLR 13 12 94% 76.35 0.0
07 18:15 N 17 14.48 Fair CLR 0 0 0% 76.35 0.0
07 17:55 NW 17 14.48 Fair CLR 14 12 88% 76.35 0.0
07 17:35 NW 19 14.48 A Few Clouds FEW014 14 12 88% 76.38 0.0
07 17:15 NW 20 16.09 Mostly Cloudy BKN014 14 12 88% 76.4 0.0
07 16:55 NW 22 14.48 Overcast OVC014 14 12 88% 76.4 0.0
07 16:35 NW 20 16.09 Partly Cloudy SCT014 14 12 88% 76.4 0.0
07 16:15 NW 22 14.48 A Few Clouds FEW015 15 12 82% 76.43 0.0
07 15:55 NW 19 G 30 16.09 Partly Cloudy SCT014 15 12 82% 76.43 0.0
07 15:35 NW 22 12.87 Partly Cloudy SCT015 15 12 82% 76.43 0.0
07 15:15 N 19 14.48 Mostly Cloudy BKN015 15 12 82% 76.45 0.0
07 14:55 NW 19 14.48 A Few Clouds FEW015 15 12 82% 76.45 0.0
07 14:35 NW 19 16.09 Fair CLR 15 12 82% 76.48 0.0
07 14:15 NW 20 14.48 Fair CLR 15 12 82% 76.48 0.0
07 13:55 N 17 14.48 Fair CLR 15 12 82% 76.48 0.0
07 13:35 NW 19 14.48 Fair CLR 14 12 88% 76.48 0.0
07 13:15 NW 19 16.09 Fair CLR 14 12 88% 76.48 0.0
07 12:55 NW 19 14.48 Fair CLR 14 11 82% 76.5 0.0
07 12:35 NW 17 16.09 Fair CLR 14 11 82% 76.5 0.0
07 12:15 NW 19 14.48 Fair CLR 14 11 82% 76.53 0.0
07 11:55 NW 20 14.48 Fair CLR 14 11 82% 76.53 0.0
07 11:35 NW 19 16.09 Fair CLR 14 11 82% 76.53 0.0
07 11:15 NW 19 16.09 Fair CLR 14 11 82% 76.56 0.0
07 10:55 NW 20 14.48 Fair CLR 13 11 88% 76.56 0.0
07 10:35 N 17 G 30 14.48 A Few Clouds FEW017 14 11 82% 76.56 0.0
07 10:15 NW 15 14.48 Mostly Cloudy BKN017 13 11 88% 76.56 0.0
07 09:55 NW 17 16.09 Overcast OVC017 13 11 88% 76.56 0.0
07 09:35 Vrbl 9 G 19 16.09 Overcast OVC017 13 10 82% 76.56 0.0
07 09:15 N 11 G 20 14.48 Overcast OVC017 12 10 88% 76.56 0.0
07 08:55 NW 13 14.48 Overcast OVC017 12 10 88% 76.56 0.0
07 08:35 NW 11 16.09 Overcast OVC017 12 10 88% 76.56 0.0
07 08:15 NW 13 16.09 Overcast OVC017 12 10 88% 76.56 0.0
07 07:55 NW 17 16.09 Overcast OVC017 12 10 88% 76.56 0.0
07 07:35 NW 11 16.09 Overcast OVC016 12 10 88% 76.53 0.0
07 07:15 NW 13 G 22 16.09 Overcast OVC016 11 10 94% 76.53 0.0
07 06:55 NW 13 16.09 Overcast OVC016 11 10 94% 76.5 0.0
07 06:35 NW 11 16.09 Overcast OVC016 11 10 94% 76.5 0.0
07 06:15 NW 15 16.09 Overcast OVC016 12 10 88% 76.5 0.0
07 05:55 N 7 16.09 Overcast OVC016 12 10 88% 76.5 0.0
07 05:35 NW 11 16.09 Overcast OVC016 12 10 88% 76.5 0.0
07 05:15 NW 13 16.09 Overcast OVC016 12 10 88% 76.5 0.0
07 04:55 NW 11 16.09 Overcast OVC016 11 10 94% 76.5 0.0
07 04:35 N 9 16.09 Overcast OVC016 11 10 94% 76.5 0.0
07 04:15 N 9 16.09 Overcast OVC016 12 10 88% 76.5 0.0
07 03:55 NW 15 14.48 Overcast OVC016 11 10 94% 76.48 0.0
07 03:35 NW 13 16.09 Overcast OVC016 11 10 94% 76.5 0.0
07 03:15 NW 15 16.09 Overcast OVC016 11 10 94% 76.5 0.0
07 02:55 NW 6 G 19 16.09 Overcast OVC016 11 10 94% 76.5 0.0
07 02:35 NW 9 16.09 Overcast OVC015 12 10 88% 76.48 0.0
07 02:15 W 13 16.09 Overcast OVC016 12 10 88% 76.5 0.0
07 01:55 NW 9 16.09 Overcast OVC016 12 10 88% 76.5 0.0
07 01:35 NW 13 16.09 Overcast OVC016 12 11 94% 76.5 0.0
07 01:15 NW 11 16.09 Overcast OVC017 12 10 88% 76.5 0.0
07 00:55 NW 9 16.09 Overcast OVC016 12 10 88% 76.5 0.0
07 00:35 NW 17 16.09 Overcast OVC017 12 11 94% 76.5 0.0
07 00:15 N 7 16.09 Overcast OVC017 12 10 88% 76.5 0.0
06 23:55 NW 13 16.09 Overcast OVC017 12 10 88% 76.5 0.0
06 23:35 Vrbl 11 16.09 Overcast OVC017 12 10 88% 76.5 0.0
06 23:15 NW 15 14.48 Overcast OVC017 12 10 88% 76.5 0.0
06 22:55 NW 19 16.09 Overcast OVC017 12 11 94% 76.5 0.0
06 22:35 NW 13 16.09 Overcast OVC017 12 11 94% 76.53 0.0
06 22:15 NW 17 16.09 Overcast OVC017 12 11 94% 76.53 0.0
06 21:55 NW 17 16.09 Overcast OVC017 12 10 88% 76.53 0.0
06 21:35 NW 13 G 26 14.48 Overcast OVC017 12 11 94% 76.5 0.0
06 21:15 NW 17 16.09 Overcast OVC018 12 10 88% 76.53 0.0
06 20:55 N 19 14.48 Overcast OVC017 12 10 88% 76.5 0.0
06 20:35 NW 13 14.48 Overcast OVC017 12 11 94% 76.48 0.0
06 20:15 N 11 G 22 16.09 Overcast OVC017 12 11 94% 76.48 0.0
06 19:55 NW 13 16.09 Overcast OVC017 12 11 94% 76.45 0.0
06 19:35 NW 13 16.09 Overcast OVC017 12 11 94% 76.45 0.0
06 19:15 NW 13 14.48 Overcast OVC017 12 11 94% 76.43 0.0
06 18:55 NW 11 14.48 Overcast OVC017 12 11 94% 76.43 0.0
06 18:35 NW 17 16.09 Overcast OVC017 13 11 88% 76.43 0.0
06 18:15 NW 17 14.48 Overcast OVC016 13 11 88% 76.43 0.0
06 17:55 NW 9 14.48 Overcast OVC016 13 11 88% 76.43 0.0
06 17:35 NW 15 14.48 Overcast OVC017 13 11 88% 76.45 0.0
06 17:15 N 11 14.48 Overcast OVC016 13 11 88% 76.45 0.0
06 16:55 NW 17 14.48 Overcast OVC016 13 11 88% 76.45 0.0
06 16:35 NW 13 14.48 Overcast OVC017 13 11 88% 76.48 0.0
06 16:15 NW 15 14.48 Overcast OVC016 14 11 82% 76.48 0.0
06 15:55 NW 13 G 22 14.48 Overcast OVC016 14 11 82% 76.48 0.0
06 15:35 NW 13 14.48 Overcast OVC016 14 12 88% 76.5 0.0
06 15:15 NW 13 14.48 Overcast OVC015 14 12 88% 76.5 0.0
06 14:55 NW 11 G 20 14.48 Overcast OVC016 14 12 88% 76.48 0.0
06 14:35 N 17 14.48 Overcast OVC015 14 12 88% 76.48 0.0
06 14:15 NW 11 14.48 Overcast OVC015 14 12 88% 76.5 0.0
06 13:55 NW 11 14.48 Overcast OVC015 14 12 88% 76.5 0.0
06 13:35 NW 15 14.48 Overcast OVC014 14 12 88% 76.5 0.0
06 13:15 NW 11 14.48 Overcast OVC014 14 12 88% 76.5 0.0
06 12:55 NW 15 14.48 Overcast OVC013 13 12 94% 76.53 0.0
06 12:35 NW 11 14.48 Overcast OVC013 13 12 94% 76.5 0.0
06 12:15 NW 11 14.48 Overcast OVC013 13 12 94% 76.5 0.0
06 11:55 W 9 14.48 Overcast OVC013 13 12 94% 76.53 0.0
06 11:35 W 9 14.48 Overcast OVC013 13 12 94% 76.53 0.0
06 11:15 NW 9 14.48 Overcast OVC013 13 12 94% 76.53 0.0
06 10:55 Vrbl 7 14.48 Overcast OVC013 12 12 100% 76.5 0.0
06 10:35 Calm 14.48 Overcast OVC013 12 11 94% 76.5 0.0
06 10:15 NW 11 14.48 Overcast OVC012 12 12 100% 76.5 0.0
06 09:55 N 9 14.48 Overcast OVC012 12 11 94% 76.48 0.0
06 09:35 Vrbl 7 12.87 Overcast OVC012 12 11 94% 76.48 0.0
06 09:15 NW 9 14.48 Overcast OVC012 12 12 100% 76.48 0.0
06 08:55 NW 13 14.48 Overcast OVC010 12 12 100% 76.45 0.0
06 08:35 N 7 12.87 Overcast OVC010 12 12 100% 76.45 0.0
06 08:15 Calm 14.48 Overcast OVC009 0 0 0% 76.43 0.0
06 07:55 N 6 14.48 Overcast OVC009 11 11 100% 76.4 0.0
06 07:15 NW 9 14.48 Overcast OVC009 11 11 100% 76.4 0.0
06 06:55 Calm 14.48 Overcast OVC009 11 11 100% 76.38 0.0
06 06:35 NW 9 16.09 Overcast OVC009 11 11 100% 76.38 0.0
06 06:15 N 9 16.09 Overcast OVC008 11 11 100% 76.35 0.0
06 05:55 Calm 16.09 Overcast OVC008 11 11 100% 76.35 0.0
06 05:35 N 9 16.09 Overcast OVC008 11 11 100% 76.33 0.0
06 05:15 NW 9 16.09 Overcast OVC008 11 11 100% 76.33 0.0
06 04:55 NW 13 16.09 Overcast OVC008 11 11 100% 76.33 0.0
06 04:35 N 6 16.09 Overcast OVC008 11 11 100% 76.33 0.0
06 04:15 Calm 16.09 Overcast OVC007 11 11 100% 76.33 0.0
06 03:55 NW 9 16.09 Overcast OVC008 11 11 100% 76.33 0.0
06 03:35 N 9 16.09 Overcast OVC008 0 0 0% 76.33 0.0
06 03:15 NW 7 16.09 Overcast OVC008 11 11 100% 76.33 0.0
06 02:55 NW 9 16.09 Overcast OVC007 11 11 100% 76.33 0.0
06 02:35 NW 13 16.09 Overcast OVC007 10 10 100% 8 76.33 0.0
06 02:15 NW 9 16.09 Overcast OVC006 10 10 100% 9 76.33 0.0
06 01:55 NW 13 16.09 Overcast OVC006 0 0 0% 76.3 0.0
06 01:35 NW 13 16.09 Overcast OVC006 11 11 100% 76.33 0.0
06 01:15 NW 13 16.09 Overcast OVC006 11 11 100% 76.3 0.0
06 00:55 NW 13 14.48 Overcast OVC006 11 11 100% 76.3 0.0
06 00:35 NW 9 16.09 Overcast OVC005 11 11 100% 76.3 0.0
06 00:15 N 7 14.48 Overcast OVC004 11 11 100% 76.28 0.0
05 23:55 N 6 14.48 Overcast OVC004 11 11 100% 76.28 0.0
05 23:35 Calm 14.48 Mostly Cloudy BKN004 11 11 100% 76.28 0.0
05 23:15 N 7 16.09 Overcast OVC005 11 11 100% 76.28 0.0
05 22:55 N 7 16.09 Overcast OVC005 11 11 100% 76.28 0.0
05 22:35 N 9 16.09 Overcast OVC005 12 12 100% 76.28 0.0
05 22:15 NW 11 14.48 Overcast OVC005 12 12 100% 76.28 0.0
05 21:55 NW 9 14.48 Overcast OVC005 12 12 100% 76.28 0.0
05 21:35 NW 9 14.48 Overcast OVC006 12 12 100% 76.28 0.0
05 21:15 N 9 16.09 Mostly Cloudy BKN006 13 13 100% 76.25 0.0
05 20:55 N 9 14.48 Partly Cloudy SCT006 0 0 0% 76.25 0.0
05 20:35 NW 13 14.48 Fair CLR 13 13 100% 76.23 0.0
05 20:15 NW 11 16.09 Fair CLR 13 13 100% 76.2 0.0
05 19:55 N 7 14.48 Fair CLR 13 13 100% 76.2 0.0
05 19:35 NW 11 14.48 Fair CLR 13 13 100% 76.2 0.0
05 19:15 NW 11 16.09 Fair CLR 14 14 100% 76.2 0.0
05 18:55 NW 13 14.48 Fair CLR 14 14 100% 76.2 0.0
05 18:35 N 11 14.48 Fair CLR 15 14 94% 76.2 0.0
05 18:15 NW 15 16.09 Fair CLR 16 14 88% 76.2 0.0
05 17:55 NW 20 14.48 Fair CLR 16 14 88% 76.2 0.0
05 17:35 NW 19 16.09 Fair CLR 16 15 94% 76.17 0.0
05 17:15 NW 19 14.48 Fair CLR 17 13 77% 76.2 0.0
05 16:55 NW 20 14.48 Fair CLR 17 12 73% 76.2 0.0
05 16:35 NW 17 16.09 Fair CLR 19 12 64% 76.2 0.0
05 16:15 NW 20 16.09 Fair CLR 18 12 68% 76.2 0.0
05 15:55 NW 17 16.09 Fair CLR 0 0 0% 76.2 0.0
05 15:35 NW 19 16.09 Fair CLR 19 11 60% 76.23 0.0
05 15:15 NW 20 16.09 Fair CLR 19 11 60% 76.23 0.0
05 14:55 NW 19 14.48 Fair CLR 19 12 64% 76.23 0.0
05 14:35 NW 19 16.09 Fair CLR 19 13 68% 76.23 0.0
05 14:15 NW 17 16.09 Fair CLR 19 14 73% 76.23 0.0
05 13:55 W 13 16.09 Fair CLR 20 13 64% 76.25 0.0
05 13:35 NW 11 16.09 Fair CLR 21 10 50% 76.25 0.0
05 13:15 NW 15 16.09 Fair CLR 21 11 53% 76.25 0.0
05 12:55 NW 17 16.09 Fair CLR 21 11 53% 76.25 0.0
05 12:35 NW 13 16.09 Fair CLR 22 11 50% 76.25 0.0
05 12:15 NW 15 16.09 Fair CLR 21 11 53% 76.25 0.0
05 11:55 NW 17 16.09 Fair CLR 21 12 57% 76.25 0.0
05 11:35 NW 15 14.48 Fair CLR 20 13 64% 76.25 0.0
05 11:15 NW 13 14.48 Fair CLR 20 12 60% 76.28 0.0
05 10:55 W 11 14.48 Fair CLR 0 0 0% 76.28 0.0
05 10:35 W 7 16.09 Fair CLR 20 8 46% 76.28 0.0
05 10:15 Calm 14.48 Fair CLR 20 11 56% 76.28 0.0
05 09:55 SE 9 9.66 Fair with Haze CLR 18 13 73% 76.28 0.0
05 09:35 Calm 16.09 Fair CLR 20 9 49% 76.28 0.0
05 09:15 Calm 16.09 Fair CLR 0 0 0% 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)