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.
07 00:55 NE 22 16.09 Fair CLR 18 0 30% 76.48 0.0
07 00:35 NE 19 G 35 16.09 Fair CLR 19 0 28% 76.5 0.0
07 00:15 NE 22 G 35 16.09 Fair CLR 18 1 32% 76.5 0.0
06 23:55 N 19 G 30 16.09 Fair CLR 16 3 42% 76.5 0.0
06 23:35 N 17 16.09 Fair CLR 15 5 51% 76.5 0.0
06 23:15 N 17 16.09 Fair CLR 15 6 55% 76.53 0.0
06 22:55 N 19 16.09 Fair CLR 15 5 51% 76.53 0.0
06 22:35 Calm 14.48 Fair CLR 9 7 87% 76.53 0.0
06 22:15 Calm 9.66 Fog/Mist CLR 10 9 94% 76.53 0.0
06 21:55 Vrbl 9 11.27 Fair CLR 9 8 94% 8 76.53 0.0
06 21:35 Calm 9.66 Fog/Mist CLR 8 8 100% 76.56 0.0
06 21:15 Calm 8.05 Fog/Mist CLR 9 9 100% 76.53 0.0
06 20:55 Calm 12.87 Fair CLR 9 8 94% 76.53 0.0
06 20:35 NE 7 6.44 Fog/Mist CLR 10 9 94% 9 76.56 0.0
06 19:55 Calm 6.44 Fog/Mist CLR 11 11 100% 76.53 0.0
06 19:35 N 7 6.44 Fog/Mist CLR 12 12 100% 76.53 0.0
06 19:15 N 9 G 19 8.05 Fog/Mist CLR 12 12 100% 76.53 0.0
06 18:55 N 9 8.05 Fog/Mist CLR 12 12 100% 76.53 0.0
06 18:35 N 9 8.05 Fog/Mist CLR 12 12 100% 76.5 0.0
06 18:15 Calm 6.44 Fog/Mist CLR 13 12 94% 76.5 0.0
06 17:55 N 7 6.44 Fog/Mist CLR 13 12 94% 76.5 0.0
06 17:35 N 11 8.05 Fog/Mist CLR 14 12 88% 76.48 0.0
06 17:15 N 17 9.66 Fair with Haze CLR 14 12 88% 76.5 0.0
06 16:55 NW 19 8.05 Fair with Haze CLR 15 12 82% 76.5 0.0
06 16:35 NW 24 9.66 Fair with Haze CLR 15 11 77% 76.5 0.0
06 16:15 NW 24 11.27 Fair CLR 16 11 72% 76.5 0.0
06 15:55 NW 22 9.66 Fair with Haze CLR 16 12 77% 76.5 0.0
06 15:35 NW 24 9.66 Fair with Haze CLR 16 12 77% 76.5 0.0
06 15:15 NW 28 12.87 Fair CLR 16 10 68% 76.53 0.0
06 14:55 N 24 14.48 Fair CLR 16 10 68% 76.53 0.0
06 14:35 N 26 14.48 Fair CLR 16 10 68% 76.53 0.0
06 14:15 NW 26 11.27 Fair CLR 16 11 72% 76.53 0.0
06 13:55 NW 26 12.87 Fair CLR 15 12 82% 76.56 0.0
06 13:35 NW 28 G 39 11.27 Fair CLR 15 12 82% 76.56 0.0
06 13:15 NW 26 11.27 Fair CLR 16 12 77% 76.56 0.0
06 12:55 NW 24 12.87 Fair CLR 16 11 72% 76.58 0.0
06 12:35 NW 26 14.48 Fair CLR 16 12 77% 76.61 0.0
06 12:15 NW 24 11.27 Fair CLR 15 12 82% 76.61 0.0
06 11:55 NW 26 12.87 Fair CLR 15 12 82% 76.63 0.0
06 11:35 NW 28 G 37 11.27 Fair CLR 15 12 82% 76.66 0.0
06 11:15 NW 28 11.27 Fair CLR 15 12 82% 76.66 0.0
06 10:55 NW 26 11.27 Fair CLR 15 11 77% 76.66 0.0
06 10:35 NW 22 14.48 Fair CLR 15 10 72% 76.66 0.0
06 10:15 NW 20 12.87 Fair CLR 15 11 77% 76.66 0.0
06 09:55 NW 24 11.27 Fair CLR 15 11 77% 76.66 0.0
06 09:35 NW 19 11.27 Fair CLR 15 11 77% 76.66 0.0
06 09:15 NW 22 11.27 Fair CLR 14 11 82% 76.63 0.0
06 08:55 NW 20 12.87 Fair CLR 14 11 82% 76.63 0.0
06 08:35 NW 20 9.66 Fog/Mist CLR 14 12 88% 76.63 0.0
06 08:15 NW 7 9.66 Fair with Haze CLR 13 11 88% 76.63 0.0
06 07:55 N 15 G 24 9.66 Fog/Mist CLR 13 11 88% 76.63 0.0
06 07:35 NW 13 9.66 Fog/Mist CLR 12 11 94% 76.63 0.0
06 07:15 Vrbl 7 6.44 Fair with Haze CLR 10 6 76% 9 76.61 0.0
06 06:55 Calm 14.48 Fair CLR 8 6 87% 76.58 0.0
06 06:35 NW 11 14.48 Fair CLR 12 8 77% 76.58 0.0
06 06:15 NW 15 12.87 Fair CLR 11 8 82% 76.58 0.0
06 05:55 W 7 14.48 Fair CLR 7 6 93% 6 76.56 0.0
06 05:35 Calm 12.87 Fair CLR 7 6 93% 76.53 0.0
06 05:15 N 11 G 20 9.66 Fog/Mist CLR 11 10 94% 76.56 0.0
06 04:55 NW 11 9.66 Fog/Mist CLR 10 9 94% 9 76.56 0.0
06 04:35 NW 9 12.87 Fair CLR 11 9 88% 76.56 0.0
06 04:15 N 15 12.87 Fair CLR 12 9 82% 76.56 0.0
06 03:55 NW 11 14.48 Fair CLR 13 5 59% 76.56 0.0
06 03:35 NW 15 16.09 Fair CLR 14 0 39% 76.53 0.0
06 03:15 N 19 G 44 16.09 Fair CLR 15 -1 34% 76.56 0.0
06 02:55 N 11 16.09 Fair CLR 14 0 39% 76.53 0.0
06 02:35 N 13 16.09 Fair CLR 13 3 51% 76.53 0.0
06 02:15 N 13 14.48 Fair CLR 12 5 63% 76.53 0.0
06 01:55 NW 15 G 26 11.27 Fair CLR 13 10 82% 76.56 0.0
06 01:35 NW 11 G 22 9.66 Fair with Haze CLR 12 9 82% 76.56 0.0
06 01:15 W 15 6.44 Fog/Mist CLR 12 10 88% 76.56 0.0
06 00:55 NW 15 8.05 Fog/Mist CLR 11 10 94% 76.58 0.0
06 00:35 N 15 9.66 Fog/Mist CLR 11 10 94% 76.58 0.0
06 00:15 N 17 11.27 Fair CLR 12 10 88% 76.58 0.0
05 23:55 N 13 11.27 Fair CLR 12 10 88% 76.58 0.0
05 23:35 N 13 G 24 9.66 Fog/Mist CLR 12 11 94% 76.61 0.0
05 23:15 N 24 9.66 Fog/Mist CLR 12 11 94% 76.61 0.0
05 22:55 N 17 G 30 9.66 Fog/Mist CLR 12 11 94% 76.61 0.0
05 22:35 N 20 G 33 8.05 Fog/Mist CLR 12 11 94% 76.61 0.0
05 22:15 N 20 G 31 8.05 Fog/Mist CLR 12 11 94% 76.58 0.0
05 21:55 N 26 G 39 8.05 Fog/Mist CLR 12 11 94% 76.61 0.0
05 21:35 N 28 8.05 Fog/Mist CLR 12 11 94% 76.58 0.0
05 21:15 N 31 8.05 Fog/Mist CLR 12 11 94% 76.61 0.0
05 20:55 N 24 6.44 Fog/Mist CLR 12 11 94% 76.61 0.0
05 20:35 N 28 G 41 8.05 Fog/Mist CLR 12 11 94% 76.58 0.0
05 20:15 N 28 6.44 Fog/Mist CLR 12 11 94% 76.61 0.0
05 19:55 N 28 G 44 8.05 Fog/Mist CLR 12 11 94% 76.58 0.0
05 19:35 N 28 G 41 8.05 Fog/Mist CLR 12 11 94% 76.58 0.0
05 19:15 N 20 9.66 Fog/Mist CLR 12 11 94% 76.56 0.0
05 18:55 N 28 G 41 9.66 Fog/Mist CLR 12 11 94% 76.56 0.0
05 18:35 N 33 G 44 8.05 Fog/Mist and Breezy CLR 12 11 94% 76.53 0.0
05 18:15 N 44 G 59 6.44 Fog/Mist and Windy CLR 12 11 94% 76.53 0.0
05 17:55 N 39 G 50 4.83 Fog/Mist and Breezy CLR 12 11 94% 76.53 0.0
05 17:35 N 37 G 48 6.44 Fog/Mist and Breezy CLR 13 11 88% 76.53 0.0
05 17:15 N 35 G 50 6.44 Fog/Mist and Breezy CLR 13 11 88% 76.53 0.0
05 16:55 N 31 G 48 6.44 Fair with Haze CLR 13 11 88% 76.53 0.0
05 16:35 N 30 G 46 8.05 Fair with Haze CLR 14 11 82% 76.56 0.0
05 16:15 N 22 G 43 6.44 Fair with Haze CLR 14 11 82% 76.56 0.0
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
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)