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.
25 00:15 Calm 6.44 Fog/Mist SCT003 8 8 100% 76.78 0.0
24 23:55 N 7 8.05 Fog/Mist OVC003 9 9 100% 8 76.81 0.0
24 23:35 NE 6 6.44 Fog/Mist BKN003 9 9 100% 76.84 0.0
24 23:15 N 6 8.05 Fog/Mist CLR 11 11 100% 76.84 0.0
24 22:55 Calm 6.44 Fog/Mist SCT005 11 11 100% 76.84 0.0
24 22:35 Calm 8.05 Fog/Mist OVC004 11 11 100% 76.86 0.0
24 22:15 N 19 6.44 Fog/Mist BKN004 12 12 100% 76.84 0.0
24 21:55 N 13 G 22 8.05 Fog/Mist BKN004 12 12 100% 76.84 0.0
24 21:35 N 7 8.05 Fog/Mist SCT005 11 11 100% 76.81 0.0
24 21:15 NW 17 8.05 Fog/Mist FEW003 12 12 100% 76.78 0.0
24 20:35 N 11 8.05 Fog/Mist SCT005 11 11 100% 76.78 0.0
24 20:15 Vrbl 6 8.05 Fog/Mist SCT005 11 11 100% 76.78 0.0
24 19:55 N 13 8.05 Fog/Mist BKN006 12 12 100% 76.81 0.0
24 19:35 N 13 6.44 Fog/Mist OVC006 13 13 100% 76.81 0.0
24 19:15 N 13 8.05 Fog/Mist SCT008 13 13 100% 76.81 0.0
24 18:55 N 15 6.44 Fog/Mist CLR 13 13 100% 76.78 0.0
24 18:35 N 15 6.44 Fog/Mist CLR 13 13 100% 76.78 0.0
24 18:15 N 15 6.44 Fog/Mist CLR 13 13 100% 76.78 0.0
24 17:55 N 15 8.05 Fog/Mist CLR 13 13 100% 76.78 0.0
24 17:35 N 19 9.66 Fog/Mist NULL 13 13 100% 76.76 0.0
24 17:15 N 15 0.00 NULL NULL 13 13 100% 76.73 0.0
24 16:35 N 13 8.05 Fog/Mist CLR 14 12 88% 76.76 0.0
24 16:15 N 15 8.05 Fog/Mist CLR 15 13 88% 76.78 0.0
24 15:55 NW 15 8.05 Fair with Haze CLR 15 13 88% 76.76 0.0
24 15:35 NW 13 9.66 Fair with Haze CLR 16 13 83% 76.76 0.0
24 15:15 NW 13 6.44 Fair with Haze CLR 16 13 83% 76.76 0.0
24 14:55 NW 11 8.05 Fair with Haze CLR 17 13 77% 76.76 0.0
24 14:35 NW 15 8.05 Fair with Haze CLR 17 12 73% 76.76 0.0
24 14:15 NW 13 9.66 Fair with Haze CLR 17 12 73% 76.76 0.0
24 13:55 NW 19 8.05 Fair with Haze CLR 17 12 73% 76.76 0.0
24 13:35 NW 22 8.05 Fair with Haze CLR 16 13 83% 76.78 0.0
24 13:15 NW 22 9.66 Fair with Haze CLR 17 12 73% 76.78 0.0
24 12:55 Calm 9.66 Fair with Haze CLR 18 11 64% 76.81 0.0
24 12:35 NW 11 9.66 Fair with Haze CLR 17 12 73% 76.81 0.0
24 12:15 Vrbl 9 6.44 Fair with Haze CLR 16 11 72% 76.84 0.0
24 11:55 SW 7 11.27 Fair CLR 16 11 72% 76.86 0.0
24 11:35 SW 9 9.66 Fair with Haze CLR 15 11 77% 76.89 0.0
24 11:15 SW 9 11.27 Fair CLR 15 11 77% 76.91 0.0
24 10:55 SW 9 9.66 Fair with Haze CLR 14 11 82% 76.91 0.0
24 10:35 SW 9 8.05 Fair with Haze CLR 14 12 88% 76.91 0.0
24 10:15 SW 7 8.05 Fair with Haze CLR 15 12 82% 76.91 0.0
24 09:55 Calm 9.66 Fair with Haze CLR 14 11 82% 76.91 0.0
24 09:35 Vrbl 7 8.05 Fair with Haze CLR 14 12 88% 76.91 0.0
24 09:15 Calm 8.05 Fog/Mist CLR 13 11 88% 76.89 0.0
24 08:35 SE 6 11.27 Fair CLR 13 11 88% 76.89 0.0
24 08:15 N 6 G 19 11.27 Fair CLR 12 10 88% 76.89 0.0
24 07:55 Vrbl 6 11.27 Fair CLR 11 10 94% 76.89 0.0
24 07:35 E 9 11.27 Fair CLR 10 10 100% 9 76.86 0.0
24 07:15 Calm 9.66 Fog/Mist CLR 10 10 100% 76.86 0.0
24 06:55 Vrbl 7 11.27 Fair CLR 9 9 100% 8 76.86 0.0
24 06:35 Calm 11.27 Fair CLR 9 9 100% 76.84 0.0
24 06:15 E 9 11.27 Fair CLR 10 10 100% 9 76.81 0.0
24 05:35 Vrbl 6 12.87 Fair CLR 10 10 100% 76.81 0.0
24 05:15 NE 7 11.27 A Few Clouds FEW016 9 9 100% 8 76.81 0.0
24 04:55 N 7 11.27 Mostly Cloudy BKN016 8 8 100% 7 76.81 0.0
24 04:35 NE 6 11.27 Partly Cloudy SCT018 9 9 100% 76.81 0.0
24 04:15 Calm 11.27 Fair CLR 8 8 100% 76.81 0.0
24 03:55 N 9 11.27 Partly Cloudy SCT017 8 8 100% 7 76.78 0.0
24 03:35 Calm 11.27 Partly Cloudy SCT016 9 9 100% 76.78 0.0
24 03:15 NE 6 11.27 A Few Clouds FEW016 8 8 100% 76.78 0.0
24 02:55 Calm 11.27 Mostly Cloudy BKN016 9 9 100% 76.78 0.0
24 02:35 Calm 11.27 Mostly Cloudy BKN016 9 9 100% 76.78 0.0
24 02:15 Calm 9.66 Fog/Mist FEW016 9 9 100% 76.78 0.0
24 01:35 Calm 9.66 Fog/Mist CLR 10 10 100% 76.78 0.0
24 01:15 N 9 9.66 Fog/Mist CLR 12 11 94% 76.78 0.0
24 00:55 N 9 9.66 Fog/Mist CLR 12 11 94% 76.78 0.0
24 00:35 N 9 G 22 9.66 Fog/Mist SCT022 13 11 88% 76.78 0.0
24 00:15 NW 22 9.66 Fog/Mist BKN022 13 12 94% 76.78 0.0
23 23:55 NW 17 G 28 11.27 Mostly Cloudy BKN020 13 12 94% 76.78 0.0
23 23:35 NW 19 G 30 11.27 Mostly Cloudy BKN019 13 12 94% 76.78 0.0
23 23:15 N 15 G 26 11.27 Overcast OVC020 13 12 94% 76.78 0.0
23 22:55 NW 20 9.66 Fog/Mist OVC020 13 12 94% 76.78 0.0
23 22:35 N 19 9.66 Fog/Mist OVC021 13 12 94% 76.78 0.0
23 22:15 N 19 G 30 11.27 Overcast OVC021 13 11 88% 76.78 0.0
23 21:55 N 17 9.66 Fog/Mist BKN020 13 11 88% 76.78 0.0
23 21:35 N 17 11.27 Mostly Cloudy BKN020 13 11 88% 76.76 0.0
23 21:15 N 15 9.66 Fog/Mist OVC019 13 12 94% 76.78 0.0
23 20:55 N 13 11.27 Overcast OVC019 13 11 88% 76.76 0.0
23 20:35 N 11 G 24 11.27 Overcast OVC019 13 11 88% 76.76 0.0
23 20:15 N 11 11.27 Overcast OVC018 13 11 88% 76.73 0.0
23 19:55 NW 17 G 28 9.66 Fog/Mist OVC017 13 11 88% 76.73 0.0
23 19:35 N 15 G 26 9.66 Fog/Mist OVC015 13 11 88% 76.71 0.0
23 19:15 N 13 9.66 Fog/Mist OVC015 12 11 94% 76.71 0.0
23 18:55 N 13 9.66 Fog/Mist OVC014 12 11 94% 76.71 0.0
23 18:35 N 13 11.27 Overcast OVC013 12 11 94% 76.71 0.0
23 18:15 N 15 11.27 Overcast OVC013 12 11 94% 76.68 0.0
23 17:55 NW 15 9.66 Fog/Mist OVC013 12 11 94% 76.66 0.0
23 17:35 NW 19 9.66 Fog/Mist BKN013 11 11 100% 76.66 0.0
23 17:15 NW 15 9.66 Fog/Mist BKN013 12 11 94% 76.66 0.0
23 16:55 N 19 8.05 Fog/Mist CLR 12 11 94% 76.63 0.0
23 16:35 N 17 8.05 Fog/Mist CLR 12 11 94% 76.63 0.0
23 16:15 NW 15 8.05 Fog/Mist CLR 13 11 88% 76.61 0.0
23 15:55 NW 17 8.05 Fog/Mist CLR 13 11 88% 76.61 0.0
23 15:35 NW 17 9.66 Fog/Mist CLR 13 12 94% 76.61 0.0
23 15:15 NW 19 8.05 Fog/Mist CLR 14 11 82% 76.58 0.0
23 14:55 NW 17 9.66 Fog/Mist CLR 14 12 88% 76.58 0.0
23 14:35 N 19 9.66 Fair with Haze CLR 14 11 82% 76.58 0.0
23 14:15 NW 15 8.05 Fair with Haze CLR 14 12 88% 76.58 0.0
23 13:55 NW 17 8.05 Fair with Haze CLR 14 12 88% 76.58 0.0
23 13:15 NW 17 8.05 Partly Cloudy with Haze SCT015 14 11 82% 76.56 0.0
23 12:55 NW 17 9.66 Overcast with Haze OVC014 14 12 88% 76.58 0.0
23 12:35 NW 15 9.66 Overcast with Haze OVC014 14 12 88% 76.58 0.0
23 12:15 NW 15 8.05 Overcast with Haze OVC014 14 12 88% 76.58 0.0
23 11:55 NW 17 8.05 Overcast with Haze OVC014 14 12 88% 76.58 0.0
23 11:35 NW 15 8.05 Overcast with Haze OVC014 14 12 88% 76.61 0.0
23 11:15 NW 11 8.05 Overcast with Haze OVC014 14 12 88% 76.61 0.0
23 10:55 Vrbl 9 8.05 Fog/Mist OVC014 14 12 88% 76.63 0.0
23 10:35 W 11 6.44 Fog/Mist BKN014 14 12 88% 76.63 0.0
23 10:15 W 11 4.83 Fog/Mist SCT013 14 12 88% 76.61 0.0
23 09:55 Calm 6.44 Fog/Mist SCT014 13 12 94% 76.61 0.0
23 09:35 Calm 8.05 Fog/Mist BKN014 13 11 88% 76.61 0.0
23 09:15 Calm 8.05 Fog/Mist OVC014 13 12 94% 76.61 0.0
23 08:55 Calm 9.66 Fog/Mist OVC014 13 11 88% 76.58 0.0
23 08:35 Calm 9.66 Fog/Mist OVC014 13 12 94% 76.58 0.0
23 08:15 E 11 9.66 Fog/Mist OVC014 12 11 94% 76.56 0.0
23 07:55 NE 9 9.66 Fog/Mist OVC014 12 11 94% 76.53 0.0
23 07:35 NE 7 8.05 Fog/Mist OVC014 12 11 94% 76.53 0.0
23 07:15 NE 7 8.05 Fog/Mist OVC014 11 11 100% 76.5 0.0
23 06:55 NE 7 11.27 Overcast OVC014 11 11 100% 76.48 0.0
23 06:35 Calm 11.27 Overcast OVC014 11 11 100% 76.48 0.0
23 06:15 Calm 11.27 Overcast OVC014 11 11 100% 76.45 0.0
23 05:35 Calm 11.27 Overcast OVC014 11 11 100% 76.43 0.0
23 05:15 E 6 11.27 Overcast OVC014 11 11 100% 76.43 0.0
23 04:35 Calm 11.27 Overcast OVC013 11 11 100% 76.43 0.0
23 04:15 E 7 11.27 Overcast OVC013 11 11 100% 76.43 0.0
23 03:55 Calm 11.27 Overcast OVC013 11 11 100% 76.43 0.0
23 03:35 Calm 9.66 Fog/Mist OVC013 11 11 100% 76.4 0.0
23 03:15 E 6 11.27 Overcast OVC012 11 11 100% 76.4 0.0
23 02:55 Calm 11.27 Overcast OVC012 11 11 100% 76.43 0.0
23 02:35 Calm 11.27 Overcast OVC011 11 11 100% 76.4 0.0
23 02:15 NE 6 9.66 Fog/Mist OVC011 11 11 100% 76.4 0.0
23 01:55 Calm 11.27 Overcast OVC011 11 11 100% 76.4 0.0
23 01:35 Calm 11.27 Overcast OVC011 10 10 100% 76.4 0.0
23 01:15 E 6 11.27 Overcast OVC011 11 11 100% 76.4 0.0
23 00:55 Calm 11.27 Overcast OVC011 10 10 100% 76.4 0.0
23 00:35 E 6 11.27 Overcast OVC011 10 10 100% 76.4 0.0
23 00:15 Calm 11.27 Overcast OVC010 10 10 100% 76.4 0.0
22 23:55 Calm 11.27 Overcast OVC010 10 10 100% 76.4 0.0
22 23:35 Calm 11.27 Overcast OVC010 10 10 100% 76.4 0.0
22 23:15 Calm 11.27 Overcast OVC010 10 10 100% 76.4 0.0
22 22:55 Vrbl 7 9.66 Fog/Mist OVC010 10 10 100% 9 76.43 0.0
22 22:35 Calm 9.66 Fog/Mist OVC009 10 10 100% 76.43 0.0
22 22:15 E 11 9.66 Fog/Mist OVC008 10 10 100% 9 76.43 0.0
22 21:55 E 9 9.66 Fog/Mist OVC008 10 10 100% 9 76.43 0.0
22 21:35 E 7 9.66 Fog/Mist OVC007 10 10 100% 9 76.43 0.0
22 21:15 NE 11 8.05 Fog/Mist OVC006 10 10 100% 9 76.43 0.0
22 20:55 NE 11 8.05 Fog/Mist OVC006 11 11 100% 76.4 0.0
22 20:35 NW 7 8.05 Fog/Mist OVC005 11 11 100% 76.4 0.0
22 20:15 N 7 8.05 Fog/Mist OVC005 11 11 100% 76.4 0.0
22 19:55 Calm 9.66 Fog/Mist OVC006 11 11 100% 76.4 0.0
22 19:35 Calm 9.66 Fog/Mist OVC005 11 11 100% 76.4 0.0
22 19:15 NW 7 8.05 Fog/Mist OVC005 11 11 100% 76.38 0.0
22 18:55 NW 6 8.05 Fog/Mist OVC006 11 11 100% 76.38 0.0
22 18:35 Calm 6.44 Fog/Mist BKN005 BKN008 11 11 100% 76.35 0.0
22 18:15 NW 9 8.05 Fog/Mist BKN004 11 11 100% 76.35 0.0
22 17:55 NW 9 9.66 Fog/Mist OVC005 11 11 100% 76.35 0.0
22 17:35 N 13 8.05 Fog/Mist OVC006 12 12 100% 76.35 0.0
22 17:15 NW 15 G 24 6.44 Fog/Mist BKN006 12 12 100% 76.35 0.0
22 16:35 N 13 6.44 Fog/Mist CLR 13 13 100% 76.3 0.0
22 16:15 NW 13 8.05 Fog/Mist CLR 13 13 100% 76.3 0.0
22 15:55 N 17 8.05 Fog/Mist CLR 14 13 94% 76.3 0.0
22 15:35 N 15 9.66 Fog/Mist CLR 14 13 94% 76.3 0.0
22 15:15 NW 20 8.05 Fog/Mist CLR 14 14 100% 76.3 0.0
22 14:55 NW 20 9.66 Fog/Mist CLR 15 14 94% 76.28 0.0
22 14:35 NW 24 9.66 Fair with Haze CLR 16 12 77% 76.28 0.0
22 14:15 NW 22 8.05 Fair with Haze CLR 16 13 83% 76.28 0.0
22 13:55 NW 22 8.05 Fair with Haze CLR 16 13 83% 76.28 0.0
22 13:35 NW 20 9.66 Fair with Haze CLR 17 13 77% 76.28 0.0
22 13:15 NW 15 9.66 Fair with Haze CLR 18 12 68% 76.28 0.0
22 12:55 NW 20 8.05 Fair with Haze CLR 18 13 73% 76.3 0.0
22 12:35 NW 17 8.05 Fair with Haze CLR 17 13 77% 76.3 0.0
22 12:15 NW 15 9.66 Fair with Haze CLR 18 13 73% 76.33 0.0
22 11:55 NW 15 9.66 Fair with Haze CLR 18 12 68% 76.33 0.0
22 11:35 NW 17 8.05 Fair with Haze CLR 18 12 68% 76.35 0.0
22 11:15 Calm 9.66 Fair with Haze CLR 0 0 0% 0 0.0
22 10:55 Calm 9.66 Fair with Haze CLR 18 11 64% 76.4 0.0
22 10:35 NW 11 6.44 Haze NULL 17 11 68% 76.4 0.0
22 10:15 NW 7 0.00 NULL NULL 0 0 0% 76.43 0.0
22 09:55 NW 11 4.83 Fair with Haze CLR 15 13 88% 76.45 0.0
22 09:35 NW 7 4.02 Fog/Mist NULL 15 13 88% 76.45 0.0
22 08:55 Calm 4.83 Fog/Mist CLR 14 13 94% 76.45 0.0
22 08:35 Calm 4.83 Fog/Mist CLR 12 12 100% 76.45 0.0
22 08:15 N 6 11.27 Fair CLR 10 10 100% 76.45 0.0
22 07:55 Calm 12.87 Fair CLR 8 8 100% 76.45 0.0
22 07:35 Calm 14.48 Fair CLR 7 7 100% 76.43 0.0
22 07:15 Calm 12.87 Fair CLR 6 6 100% 76.43 0.0
22 06:55 NE 7 14.48 Partly Cloudy SCT003 6 6 100% 5 76.43 0.0
22 06:35 Calm 14.48 Mostly Cloudy BKN003 6 6 100% 76.43 0.0
22 06:15 NE 7 14.48 Mostly Cloudy BKN003 7 7 100% 6 76.43 0.0
22 05:55 Calm 14.48 Overcast OVC003 6 6 100% 76.43 0.0
22 05:35 Calm 12.87 Overcast OVC003 6 6 100% 76.43 0.0
22 05:15 Calm 12.87 Mostly Cloudy BKN003 6 6 100% 76.4 0.0
22 04:55 Calm 2.41 Fog/Mist OVC003 6 6 100% 76.4 0.0
22 04:15 Calm 16.09 Partly Cloudy SCT004 6 6 100% 76.4 0.0
22 03:55 Calm 12.87 Fair CLR 7 7 100% 76.4 0.0
22 03:35 Calm 14.48 Fair CLR 6 6 100% 76.4 0.0
22 03:15 Calm 12.87 Fair CLR 7 7 100% 76.4 0.0
22 02:55 Calm 12.87 Fair CLR 7 7 100% 76.4 0.0
22 02:35 NW 6 14.48 Fair CLR 6 6 100% 76.43 0.0
22 02:15 NW 6 14.48 Fair CLR 6 6 100% 76.43 0.0
22 01:55 Calm 9.66 Fog/Mist CLR 6 6 100% 76.45 0.0
22 01:35 Calm 8.05 Fog/Mist CLR 6 6 100% 76.45 0.0
22 01:15 Calm 12.87 Fair CLR 7 7 100% 76.45 0.0
22 00:55 Calm 12.87 Fair CLR 7 7 100% 76.45 0.0
22 00:35 Calm 14.48 Fair CLR 7 7 100% 76.48 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)