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.
07 12:35 NW 22 6.44 Fair with Haze CLR 14 11 82% 75.97 0.0
07 12:15 NW 17 8.05 Fair with Haze CLR 15 11 77% 75.97 0.0
07 11:55 NW 19 6.44 Fair with Haze CLR 14 11 82% 75.97 0.0
07 11:35 NW 20 6.44 Fair with Haze CLR 14 10 77% 75.97 0.0
07 11:15 NW 17 6.44 Fair with Haze CLR 14 11 82% 75.95 0.0
07 10:55 NW 13 6.44 Fair with Haze CLR 14 11 82% 75.95 0.0
07 10:35 NW 15 6.44 Fair with Haze CLR 13 11 88% 75.92 0.0
07 10:15 Vrbl 6 6.44 Fair with Haze CLR 13 10 82% 75.92 0.0
07 09:55 NW 6 6.44 Fair with Haze CLR 13 10 82% 75.95 0.0
07 09:35 W 9 4.83 Fair with Haze CLR 13 11 88% 75.95 0.0
07 09:15 NW 7 6.44 Fog/Mist CLR 13 11 88% 75.95 0.0
07 08:55 Calm 6.44 Fog/Mist SCT014 12 10 88% 75.95 0.0
07 08:35 NW 11 4.83 Fog/Mist OVC014 12 10 88% 75.95 0.0
07 08:15 NW 9 4.83 Fog/Mist SCT014 11 10 94% 75.95 0.0
07 07:55 NW 7 6.44 Fog/Mist FEW013 11 10 94% 75.92 0.0
07 07:35 N 9 4.83 Fog/Mist FEW014 11 10 94% 75.92 0.0
07 07:15 N 13 4.83 Fog/Mist FEW015 11 10 94% 75.92 0.0
07 06:55 N 9 4.83 Fog/Mist CLR 10 10 100% 9 75.9 0.0
07 06:35 NW 15 4.83 Fog/Mist CLR 10 10 100% 8 75.9 0.0
07 06:15 Calm 4.83 Fog/Mist CLR 8 8 100% 75.9 0.0
07 05:55 Calm 4.83 Fog/Mist CLR 8 8 100% 75.9 0.0
07 05:35 Calm 8.05 Fog/Mist CLR 8 8 100% 75.9 0.0
07 05:15 N 9 8.05 Fog/Mist CLR 10 9 94% 9 75.87 0.0
07 04:55 Vrbl 11 6.44 Fog/Mist FEW018 10 9 94% 9 75.87 0.0
07 04:35 N 11 8.05 A Few Clouds FEW016 0 0 0% 75.87 0.0
07 04:15 NW 13 8.05 Fog/Mist CLR 10 9 94% 8 75.87 0.0
07 03:55 N 9 G 20 8.05 A Few Clouds FEW019 0 0 0% 75.87 0.0
07 03:35 Vrbl 9 8.05 Fog/Mist FEW020 10 9 94% 9 75.87 0.0
07 02:55 N 13 8.05 Fog/Mist CLR 10 9 94% 8 75.84 0.0
07 02:35 NW 6 8.05 Fog/Mist SCT016 SCT022 10 10 100% 75.87 0.0
07 02:15 Vrbl 9 8.05 Fog/Mist BKN016 BKN024 10 10 100% 9 75.84 0.0
07 01:55 Vrbl 7 8.05 Fog/Mist SCT016 11 10 94% 75.87 0.0
07 01:35 N 13 8.05 Fog/Mist SCT018 11 10 94% 75.9 0.0
07 01:15 Vrbl 9 6.44 Fog/Mist BKN018 BKN025 10 10 100% 9 75.9 0.0
07 00:55 NW 7 8.05 Fog/Mist SCT016 11 10 94% 75.9 0.0
07 00:35 Calm 6.44 Fog/Mist SCT016 11 10 94% 75.9 0.0
07 00:15 NW 11 6.44 Fog/Mist BKN018 11 10 94% 75.92 0.0
06 23:55 NW 15 6.44 Fog/Mist BKN017 11 10 94% 75.95 0.0
06 23:35 NW 13 G 24 8.05 Fog/Mist SCT016 11 10 94% 75.92 0.0
06 23:15 NW 15 6.44 Fog/Mist BKN017 11 10 94% 75.95 0.0
06 22:55 NW 17 8.05 Fog/Mist BKN016 BKN021 11 10 94% 75.95 0.0
06 22:35 NW 19 G 37 6.44 Fog/Mist BKN017 11 10 94% 75.95 0.0
06 22:15 N 19 G 30 6.44 Fog/Mist FEW016 11 10 94% 75.92 0.0
06 21:55 NW 28 8.05 Fog/Mist FEW016 11 10 94% 75.92 0.0
06 21:35 NW 28 G 39 8.05 Fog/Mist CLR 0 0 0% 75.9 0.0
06 21:15 NW 30 G 43 8.05 Fog/Mist CLR 11 10 94% 75.92 0.0
06 20:55 NW 30 G 41 6.44 Fog/Mist CLR 11 10 94% 75.92 0.0
06 20:35 NW 31 G 43 6.44 Fog/Mist CLR 12 10 88% 75.92 0.0
06 20:15 N 26 G 37 6.44 Fair with Haze CLR 12 10 88% 75.95 0.0
06 19:55 NW 28 6.44 Fair with Haze CLR 12 9 82% 75.95 0.0
06 19:35 N 28 G 41 8.05 Fair with Haze CLR 13 9 77% 75.95 0.0
06 19:15 NW 24 G 35 6.44 Fair with Haze CLR 13 9 77% 75.95 0.0
06 18:55 NW 26 6.44 Fair with Haze CLR 14 9 72% 75.95 0.0
06 18:35 NW 20 G 33 8.05 Fair with Haze CLR 14 9 72% 75.95 0.0
06 18:15 NW 26 G 35 6.44 Fair with Haze CLR 14 10 77% 75.97 0.0
06 17:55 NW 26 G 44 6.44 Fair with Haze CLR 14 10 77% 75.97 0.0
06 17:35 N 30 G 41 8.05 Fair with Haze CLR 14 10 77% 76 0.0
06 17:15 NW 31 G 41 8.05 Fair with Haze CLR 14 10 77% 76 0.0
06 16:55 NW 26 8.05 Fair with Haze CLR 15 10 72% 76 0.0
06 16:35 NW 19 G 30 8.05 Fair with Haze CLR 14 10 77% 76.02 0.0
06 16:15 NW 19 G 31 6.44 Fair with Haze CLR 14 11 82% 76.02 0.0
06 15:55 NW 28 8.05 Fair with Haze CLR 15 11 77% 76.02 0.0
06 15:35 NW 26 G 39 8.05 Fair with Haze CLR 14 11 82% 76.02 0.0
06 15:15 N 31 8.05 Fair with Haze CLR 15 11 77% 76.02 0.0
06 14:55 NW 35 8.05 Fair with Haze and Breezy CLR 14 11 82% 76.02 0.0
06 14:35 N 24 G 43 8.05 Fair with Haze CLR 14 10 77% 76.05 0.0
06 14:15 NW 24 G 35 8.05 Fair with Haze CLR 14 10 77% 76.05 0.0
06 13:55 N 30 8.05 Fair with Haze CLR 14 10 77% 76.02 0.0
06 13:35 NW 26 G 35 8.05 Fair with Haze CLR 14 10 77% 76.05 0.0
06 13:15 NW 30 8.05 Fair with Haze CLR 14 10 77% 76.05 0.0
06 12:55 NW 26 8.05 Fair with Haze CLR 14 10 77% 76.05 0.0
06 12:35 NW 24 8.05 Fair with Haze CLR 15 11 77% 76.05 0.0
06 12:15 N 26 8.05 Fair with Haze CLR 15 10 72% 76.05 0.0
06 11:55 NW 28 G 37 9.66 Fair with Haze CLR 15 10 72% 76.05 0.0
06 11:35 NW 22 G 37 8.05 Fair with Haze CLR 14 10 77% 76.05 0.0
06 11:15 N 24 G 33 8.05 Fair with Haze CLR 14 10 77% 76.05 0.0
06 10:55 N 20 G 37 8.05 Fair with Haze CLR 14 10 77% 76.02 0.0
06 10:35 N 26 G 35 8.05 Fair with Haze CLR 15 10 72% 76.02 0.0
06 10:15 NW 24 G 35 8.05 Fair with Haze CLR 14 11 82% 76.02 0.0
06 09:55 NW 24 G 33 8.05 Fair CLR 0 0 0% 76.02 0.0
06 09:35 NW 22 G 33 8.05 Fair with Haze CLR 14 11 82% 76.02 0.0
06 09:15 NW 24 8.05 Fair with Haze CLR 14 11 82% 76 0.0
06 08:55 N 28 6.44 Fair with Haze CLR 13 10 82% 76 0.0
06 08:35 N 22 G 33 6.44 Fog/Mist CLR 13 11 88% 76 0.0
06 08:15 NW 22 G 35 6.44 Fog/Mist CLR 0 0 0% 75.97 0.0
06 07:55 NW 24 6.44 Fog/Mist CLR 12 11 94% 75.97 0.0
06 07:35 N 19 G 31 6.44 Fog/Mist CLR 12 10 88% 75.97 0.0
06 07:15 N 19 G 30 6.44 Fog/Mist CLR 12 10 88% 75.97 0.0
06 06:55 NW 22 6.44 Fog/Mist CLR 11 10 94% 75.97 0.0
06 06:35 N 20 6.44 Fog/Mist CLR 11 10 94% 75.95 0.0
06 06:15 N 17 4.83 Fog/Mist CLR 11 10 94% 75.95 0.0
06 05:55 N 9 G 19 6.44 Fog/Mist CLR 11 10 94% 75.92 0.0
06 05:35 N 9 G 24 8.05 Fog/Mist FEW014 11 10 94% 75.92 0.0
06 05:15 N 13 8.05 Fog/Mist CLR 11 10 94% 75.9 0.0
06 04:55 NW 17 8.05 Fog/Mist CLR 11 10 94% 75.9 0.0
06 04:35 NW 11 G 22 8.05 Fog/Mist CLR 11 10 94% 75.9 0.0
06 04:15 NW 19 8.05 Fog/Mist CLR 11 10 94% 75.87 0.0
06 03:55 NW 17 6.44 Fog/Mist CLR 11 10 94% 75.87 0.0
06 03:35 NW 13 8.05 Fog/Mist CLR 11 10 94% 75.9 0.0
06 03:15 NW 15 8.05 Fog/Mist FEW015 11 10 94% 75.9 0.0
06 02:55 NW 11 G 22 6.44 Fog/Mist SCT015 11 11 100% 75.9 0.0
06 02:35 NW 15 6.44 Fog/Mist BKN015 11 11 100% 75.9 0.0
06 02:15 NW 13 6.44 Fog/Mist BKN015 11 11 100% 75.9 0.0
06 01:55 NW 9 6.44 Fog/Mist OVC016 11 11 100% 75.9 0.0
06 01:35 N 9 6.44 Fog/Mist OVC016 12 11 94% 75.9 0.0
06 01:15 NW 7 G 19 6.44 Fog/Mist BKN015 12 11 94% 75.92 0.0
06 00:55 NW 11 6.44 Fog/Mist BKN015 11 11 100% 75.92 0.0
06 00:35 Calm 6.44 Fog/Mist OVC016 12 11 94% 75.92 0.0
06 00:15 NW 11 6.44 Fog/Mist OVC015 12 11 94% 75.92 0.0
05 23:55 NW 13 6.44 Fog/Mist BKN015 12 11 94% 75.92 0.0
05 23:35 NW 17 8.05 Fog/Mist BKN014 12 11 94% 75.92 0.0
05 23:15 NW 17 G 30 6.44 Fog/Mist BKN013 SCT017 12 11 94% 75.92 0.0
05 22:55 N 15 G 28 6.44 Fog/Mist OVC014 12 11 94% 75.92 0.0
05 22:35 N 20 6.44 Fog/Mist BKN013 12 11 94% 75.92 0.0
05 22:15 NW 22 G 33 6.44 Fog/Mist BKN013 12 11 94% 75.9 0.0
05 21:55 NW 20 G 30 6.44 Fog/Mist BKN013 12 11 94% 75.9 0.0
05 21:35 N 17 G 33 6.44 Overcast OVC014 0 0 0% 75.87 0.0
05 21:15 NW 22 6.44 Fog/Mist OVC014 12 11 94% 75.87 0.0
05 20:55 NW 19 6.44 Fog/Mist BKN013 BKN018 12 11 94% 75.87 0.0
05 20:35 N 19 4.83 Fog/Mist SCT016 12 11 94% 75.87 0.0
05 20:15 N 19 4.83 Fog/Mist SCT017 12 11 94% 75.87 0.0
05 19:55 N 17 G 30 4.83 Fog/Mist FEW017 13 11 88% 75.84 0.0
05 19:35 N 20 4.83 Fair with Haze CLR 14 11 82% 75.84 0.0
05 19:15 NW 19 4.83 Fair with Haze CLR 14 11 82% 75.84 0.0
05 18:55 NW 17 G 28 4.83 Fair with Haze CLR 14 11 82% 75.84 0.0
05 18:35 NW 20 G 30 6.44 Fair with Haze CLR 14 11 82% 75.84 0.0
05 18:15 NW 19 G 31 4.83 Fair with Haze CLR 15 10 72% 75.84 0.0
05 17:55 NW 22 4.83 Fair with Haze CLR 15 11 77% 75.84 0.0
05 17:35 NW 26 6.44 Fair with Haze CLR 15 11 77% 75.84 0.0
05 17:15 NW 30 6.44 Fair with Haze CLR 15 11 77% 75.84 0.0
05 16:55 NW 28 6.44 Fair with Haze CLR 15 11 77% 75.84 0.0
05 16:35 NW 26 6.44 Fair with Haze CLR 16 11 72% 75.84 0.0
05 16:15 NW 24 6.44 Fair with Haze CLR 16 11 72% 75.87 0.0
05 15:55 NW 22 6.44 Fair with Haze CLR 15 10 72% 75.87 0.0
05 15:35 NW 19 6.44 Fair with Haze CLR 16 11 72% 75.87 0.0
05 15:15 NW 20 6.44 Fair with Haze CLR 16 11 72% 75.87 0.0
05 14:55 NW 19 6.44 Fair with Haze CLR 0 0 0% 75.87 0.0
05 14:35 NW 20 G 31 6.44 Fair with Haze CLR 16 11 72% 75.87 0.0
05 14:15 NW 22 6.44 Fair with Haze CLR 16 11 72% 75.87 0.0
05 13:55 NW 22 6.44 Fair with Haze CLR 16 11 72% 75.9 0.0
05 13:35 NW 19 G 28 6.44 Fair with Haze CLR 16 12 77% 75.9 0.0
05 13:15 NW 20 6.44 Fair with Haze CLR 16 12 77% 75.9 0.0
05 12:55 NW 22 6.44 Fair with Haze CLR 15 11 77% 75.92 0.0
05 12:35 NW 17 6.44 Fair with Haze CLR 15 11 77% 75.92 0.0
05 12:15 W 15 6.44 Fair with Haze CLR 14 11 82% 75.92 0.0
05 11:55 W 15 6.44 Fair with Haze CLR 15 11 77% 75.92 0.0
05 11:35 W 13 6.44 Fair with Haze CLR 15 11 77% 75.92 0.0
05 11:15 NW 15 6.44 Fair with Haze CLR 15 11 77% 75.95 0.0
05 10:55 NW 17 6.44 Fair with Haze CLR 15 11 77% 75.92 0.0
05 10:35 NW 15 6.44 Fair with Haze CLR 14 11 82% 75.92 0.0
05 10:15 NW 17 4.83 Fair with Haze CLR 14 11 82% 75.92 0.0
05 09:55 NW 17 4.83 Fair with Haze CLR 14 11 82% 75.92 0.0
05 09:35 NW 13 4.83 Fair with Haze CLR 14 11 82% 75.95 0.0
05 09:15 W 13 4.83 Fair with Haze CLR 13 11 88% 75.95 0.0
05 08:55 NW 11 4.83 Fog/Mist CLR 13 11 88% 75.95 0.0
05 08:35 Vrbl 11 4.83 Fog/Mist CLR 13 11 88% 75.95 0.0
05 08:15 N 9 4.83 Fog/Mist CLR 12 11 94% 75.95 0.0
05 07:55 N 7 4.02 Fog/Mist FEW015 12 11 94% 75.95 0.0
05 07:35 Calm 4.83 Fog/Mist FEW013 11 11 100% 75.95 0.0
05 07:15 Calm 4.83 Fog/Mist BKN013 10 10 100% 75.95 0.0
05 06:55 Calm 4.83 Fog/Mist BKN013 9 9 100% 75.92 0.0
05 06:15 Calm 4.83 Fog/Mist BKN013 7 7 100% 75.9 0.0
05 05:55 Calm 4.83 Fog/Mist SCT013 7 7 100% 75.9 0.0
05 05:35 Calm 6.44 Fog/Mist FEW013 7 7 100% 75.87 0.0
05 05:15 Calm 6.44 Fog/Mist FEW013 7 7 100% 75.87 0.0
05 04:55 Calm 6.44 Fog/Mist FEW013 7 7 100% 75.9 0.0
05 04:35 Calm 6.44 Fog/Mist CLR 7 7 100% 75.9 0.0
05 04:15 Calm 6.44 Fog/Mist CLR 7 7 100% 75.9 0.0
05 03:35 Calm 6.44 Fog/Mist SCT014 8 8 100% 75.92 0.0
05 03:15 Calm 6.44 Fog/Mist BKN013 8 8 100% 75.95 0.0
05 02:55 E 6 6.44 Fog/Mist SCT013 8 8 100% 75.95 0.0
05 02:35 Calm 6.44 Fog/Mist SCT013 8 8 100% 75.95 0.0
05 02:15 Calm 6.44 Fog/Mist SCT013 8 8 100% 75.97 0.0
05 01:55 Calm 6.44 Fog/Mist CLR 8 8 100% 75.97 0.0
05 01:35 Calm 6.44 Fog/Mist SCT013 SCT018 8 8 100% 75.97 0.0
05 01:15 Calm 6.44 Fog/Mist BKN013 9 9 100% 75.97 0.0
05 00:55 Calm 6.44 Fog/Mist BKN013 9 9 100% 76 0.0
05 00:35 Calm 6.44 Fog/Mist SCT013 9 9 100% 76 0.0
05 00:15 Calm 6.44 Fog/Mist SCT013 9 9 100% 76 0.0
04 23:55 Calm 6.44 Fog/Mist SCT013 10 10 100% 76 0.0
04 23:35 Calm 8.05 Fog/Mist FEW014 9 9 100% 76.02 0.0
04 23:15 Calm 6.44 Fog/Mist CLR 10 10 100% 76.02 0.0
04 22:55 Calm 6.44 Fog/Mist FEW015 10 9 94% 76.02 0.0
04 22:35 Calm 6.44 Fog/Mist CLR 10 10 100% 76.02 0.0
04 22:15 Calm 6.44 Fog/Mist FEW003 10 10 100% 76.05 0.0
04 21:55 Calm 6.44 Fog/Mist SCT003 SCT015 11 10 94% 76.02 0.0
04 21:35 Calm 6.44 Fog/Mist CLR 11 10 94% 76.02 0.0
04 21:15 Calm 4.02 Fog/Mist CLR 11 11 100% 76.02 0.0
04 20:55 Calm 2.01 Fog/Mist CLR 11 11 100% 76 0.0
04 20:35 W 6 2.01 Fog/Mist CLR 11 11 100% 76 0.0
04 20:15 Calm 4.02 Fog/Mist CLR 12 11 94% 76 0.0
04 19:55 W 7 4.83 Fog/Mist CLR 13 11 88% 76.02 0.0
04 19:35 NW 11 4.83 Fog/Mist CLR 13 11 88% 76.02 0.0
04 19:15 NW 13 4.83 Fair with Haze CLR 13 11 88% 76.02 0.0
04 18:55 NW 15 4.83 Fair with Haze CLR 14 11 82% 76.02 0.0
04 18:35 NW 17 4.83 Fair with Haze CLR 14 11 82% 76.02 0.0
04 18:15 N 17 G 30 4.83 Fair with Haze CLR 14 11 82% 76.05 0.0
04 17:55 N 19 4.83 Fair with Haze CLR 14 11 82% 76.05 0.0
04 17:35 NW 20 G 30 4.83 Fair with Haze CLR 14 12 88% 76.07 0.0
04 17:15 NW 20 4.83 A Few Clouds with Haze FEW014 14 12 88% 76.07 0.0
04 16:55 NW 22 4.83 Partly Cloudy with Haze SCT014 15 12 82% 76.1 0.0
04 16:35 NW 22 4.83 Mostly Cloudy with Haze BKN013 14 12 88% 76.07 0.0
04 16:15 NW 26 4.83 Mostly Cloudy with Haze BKN013 15 12 82% 76.1 0.0
04 15:55 NW 24 G 33 4.83 Overcast with Haze OVC013 15 12 82% 76.1 0.0
04 15:35 NW 26 4.83 Overcast with Haze OVC013 15 12 82% 76.1 0.0
04 15:15 NW 26 4.83 Mostly Cloudy with Haze BKN013 15 12 82% 76.12 0.0
04 14:55 NW 24 4.83 Mostly Cloudy with Haze BKN013 15 12 82% 76.12 0.0
04 14:35 NW 24 6.44 Mostly Cloudy with Haze BKN013 15 12 82% 76.12 0.0
04 14:15 NW 24 G 35 4.83 A Few Clouds with Haze FEW013 15 12 82% 76.15 0.0
04 13:55 NW 24 4.83 Fair with Haze CLR 15 12 82% 76.15 0.0
04 13:35 NW 24 4.83 A Few Clouds with Haze FEW013 15 13 88% 76.15 0.0
04 13:15 NW 22 4.83 Fog/Mist CLR 15 12 82% 76.15 0.0
04 12:55 NW 26 4.83 Fair with Haze CLR 15 12 82% 76.15 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)