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.
16 12:35 SE 7 12.87 Fair CLR 19 13 68% 76.43 0.0
16 12:15 S 7 14.48 Fair CLR 18 13 73% 76.43 0.0
16 11:55 SE 7 11.27 Fair CLR 17 14 83% 76.43 0.0
16 11:35 S 9 9.66 Fair with Haze CLR 17 15 88% 76.43 0.0
16 11:15 S 9 9.66 Fog/Mist CLR 15 14 94% 76.43 0.0
16 10:55 S 13 9.66 Fog/Mist CLR 15 14 94% 76.43 0.0
16 10:35 S 15 8.05 Fog/Mist CLR 15 14 94% 76.43 0.0
16 10:15 SE 11 8.05 Fog/Mist CLR 14 14 100% 76.43 0.0
16 09:55 SE 9 6.44 Fog/Mist CLR 15 14 94% 76.4 0.0
16 09:35 Calm 8.05 Fog/Mist CLR 16 15 94% 76.38 0.0
16 09:15 Calm 8.05 Fog/Mist CLR 15 14 94% 76.38 0.0
16 08:55 Calm 4.83 Fog/Mist CLR 13 13 100% 76.35 0.0
16 08:35 Calm 12.87 Fair CLR 12 12 100% 76.35 0.0
16 08:15 Calm 14.48 Fair CLR 9 9 100% 76.35 0.0
16 07:55 Calm 14.48 Fair CLR 8 8 100% 76.33 0.0
16 07:35 Calm 12.87 Fair CLR 8 8 100% 76.33 0.0
16 07:15 Calm 16.09 Fair CLR 7 7 100% 76.33 0.0
16 06:55 Calm 16.09 Fair CLR 7 7 100% 76.33 0.0
16 06:35 Calm 16.09 Fair CLR 8 8 100% 76.33 0.0
16 06:15 NW 7 14.48 Fair CLR 0 0 0% 76.33 0.0
16 05:55 Calm 16.09 Fair CLR 7 7 100% 76.33 0.0
16 05:35 Calm 16.09 Fair CLR 7 7 100% 76.3 0.0
16 05:15 Calm 14.48 Fair CLR 8 8 100% 76.3 0.0
16 04:55 Calm 16.09 Fair CLR 8 8 100% 76.3 0.0
16 04:35 Calm 16.09 Fair CLR 7 7 100% 76.3 0.0
16 04:15 Calm 16.09 Fair CLR 8 8 100% 76.3 0.0
16 03:55 Calm 16.09 Fair CLR 7 7 100% 76.33 0.0
16 03:35 Calm 11.27 Fair CLR 8 8 100% 76.33 0.0
16 03:15 NW 6 14.48 Fair CLR 8 8 100% 76.35 0.0
16 02:55 Calm 14.48 Fair CLR 0 0 0% 76.35 0.0
16 02:35 Calm 12.87 Fair CLR 8 8 100% 76.35 0.0
16 02:15 Calm 14.48 Fair CLR 8 8 100% 76.35 0.0
16 01:55 Calm 12.87 A Few Clouds FEW003 8 8 100% 76.35 0.0
16 01:35 Calm 12.87 Partly Cloudy SCT003 8 8 100% 76.35 0.0
16 01:15 Calm 14.48 Partly Cloudy SCT003 8 8 100% 76.38 0.0
16 00:55 Calm 14.48 Mostly Cloudy BKN003 9 9 100% 76.38 0.0
16 00:35 Calm 14.48 Partly Cloudy SCT003 9 9 100% 76.38 0.0
16 00:15 Calm 16.09 Partly Cloudy SCT003 9 9 100% 76.4 0.0
15 23:55 Calm 12.87 Fair CLR 10 10 100% 76.4 0.0
15 23:35 N 7 11.27 Fair CLR 11 11 100% 76.4 0.0
15 23:15 N 7 11.27 Fair CLR 11 11 100% 76.4 0.0
15 22:55 N 6 12.87 A Few Clouds FEW028 10 10 100% 76.4 0.0
15 22:35 Calm 12.87 Fair CLR 10 10 100% 76.4 0.0
15 22:15 Calm 11.27 Fair CLR 12 12 100% 76.4 0.0
15 21:55 N 7 12.87 Fair CLR 12 12 100% 76.4 0.0
15 21:35 NW 11 11.27 Fair CLR 12 12 100% 76.4 0.0
15 21:15 NW 11 12.87 Fair CLR 11 11 100% 76.4 0.0
15 20:55 N 9 12.87 Fair CLR 12 12 100% 76.38 0.0
15 20:35 NW 7 12.87 Fair CLR 12 12 100% 76.38 0.0
15 20:15 NW 9 12.87 Fair CLR 13 12 94% 76.38 0.0
15 19:55 N 11 G 22 11.27 Fair CLR 13 13 100% 76.38 0.0
15 19:35 N 15 11.27 Fair CLR 13 13 100% 76.38 0.0
15 19:15 N 20 11.27 Fair CLR 13 13 100% 76.38 0.0
15 18:55 N 17 9.66 Fog/Mist CLR 14 13 94% 76.38 0.0
15 18:35 NW 19 8.05 Fog/Mist CLR 15 14 94% 76.35 0.0
15 18:15 NW 19 12.87 Fair CLR 16 13 83% 76.35 0.0
15 17:55 NW 22 14.48 Fair CLR 18 12 68% 76.38 0.0
15 17:35 Calm 16.09 Fair CLR 20 11 56% 76.38 0.0
15 17:15 NW 19 16.09 Fair CLR 19 11 60% 76.35 0.0
15 16:55 NW 22 16.09 Fair CLR 0 0 0% 76.35 0.0
15 16:35 NW 24 14.48 Fair CLR 18 12 68% 76.38 0.0
15 16:15 NW 28 14.48 Fair CLR 18 13 73% 76.38 0.0
15 15:55 N 24 G 35 11.27 Fair CLR 17 14 83% 76.38 0.0
15 15:35 NW 28 9.66 Fair with Haze CLR 17 14 83% 76.38 0.0
15 15:15 NW 22 12.87 Fair CLR 17 14 83% 76.38 0.0
15 14:55 NW 22 12.87 Fair CLR 17 14 83% 76.4 0.0
15 14:35 NW 24 14.48 Fair CLR 18 14 78% 76.4 0.0
15 14:15 NW 26 11.27 Fair CLR 0 0 0% 76.43 0.0
15 13:55 NW 20 8.05 Fair with Haze CLR 18 15 83% 76.45 0.0
15 13:35 NW 20 9.66 Fair with Haze CLR 18 15 83% 76.48 0.0
15 13:15 NW 20 9.66 Fair with Haze CLR 18 15 83% 76.48 0.0
15 12:55 NW 17 9.66 Fair CLR 0 0 0% 76.5 0.0
15 12:35 NW 20 9.66 Fair with Haze CLR 17 15 88% 76.5 0.0
15 12:15 NW 20 8.05 Fog/Mist CLR 17 15 88% 76.53 0.0
15 11:55 NW 20 8.05 Fog/Mist CLR 15 14 94% 76.53 0.0
15 11:35 NW 20 6.44 Fog/Mist CLR 16 14 88% 76.56 0.0
15 11:15 NW 19 8.05 Fog/Mist CLR 16 14 88% 76.56 0.0
15 10:55 NW 19 6.44 Fog/Mist CLR 16 15 94% 76.56 0.0
15 10:35 NW 13 8.05 Fog/Mist CLR 16 15 94% 76.56 0.0
15 10:15 NW 15 6.44 Fog/Mist CLR 15 14 94% 76.56 0.0
15 09:55 NW 13 6.44 Fog/Mist CLR 14 14 100% 76.56 0.0
15 09:35 N 19 6.44 Fog/Mist CLR 13 13 100% 76.56 0.0
15 09:15 N 13 4.83 Fog/Mist CLR 12 12 100% 76.56 0.0
15 08:55 NW 15 4.02 Fog/Mist SCT005 12 12 100% 76.53 0.0
15 08:35 Calm 4.83 Fog/Mist CLR 10 10 100% 76.53 0.0
15 08:15 Calm 6.44 Fog/Mist CLR 8 8 100% 76.5 0.0
15 07:35 Calm 6.44 Fog/Mist CLR 6 6 100% 76.48 0.0
15 07:15 Calm 9.66 Fog/Mist SCT003 6 6 100% 76.45 0.0
15 06:55 Calm 9.66 Fog/Mist BKN003 7 7 100% 76.45 0.0
15 06:35 Calm 6.44 Fog/Mist SCT004 7 7 100% 76.45 0.0
15 06:15 Calm 6.44 Fog/Mist BKN005 7 7 100% 76.45 0.0
15 05:55 Calm 8.05 Fog/Mist BKN006 7 7 100% 76.45 0.0
15 05:35 Calm 8.05 Fog/Mist BKN006 7 7 100% 76.45 0.0
15 05:15 Calm 8.05 Fog/Mist SCT005 8 8 100% 76.45 0.0
15 04:55 Calm 8.05 Fog/Mist SCT004 7 7 100% 76.45 0.0
15 04:15 Calm 8.05 Fog/Mist OVC005 7 7 100% 76.45 0.0
15 03:55 Calm 8.05 Fog/Mist OVC004 8 8 100% 76.45 0.0
15 03:35 Calm 8.05 Fog/Mist OVC005 8 8 100% 76.45 0.0
15 03:15 Calm 8.05 Fog/Mist OVC006 9 9 100% 76.45 0.0
15 02:55 Calm 9.66 Fog/Mist OVC006 9 9 100% 76.48 0.0
15 02:35 Calm 9.66 Fog/Mist OVC006 9 9 100% 76.48 0.0
15 02:15 SE 6 9.66 Fog/Mist OVC006 10 10 100% 76.48 0.0
15 01:55 E 7 12.87 Overcast OVC007 10 10 100% 9 76.48 0.0
15 01:35 Calm 14.48 Overcast OVC006 10 10 100% 76.48 0.0
15 01:15 Calm 14.48 Overcast OVC006 10 10 100% 76.48 0.0
15 00:55 Calm 14.48 Overcast OVC007 10 10 100% 76.48 0.0
15 00:35 Calm 14.48 Overcast OVC007 10 10 100% 76.48 0.0
15 00:15 Calm 14.48 Overcast OVC008 10 10 100% 76.48 0.0
14 23:55 Calm 12.87 Overcast OVC008 11 11 100% 76.5 0.0
14 23:35 NE 6 9.66 Fog/Mist OVC008 11 11 100% 76.5 0.0
14 23:15 Vrbl 7 9.66 Fog/Mist OVC008 12 12 100% 76.5 0.0
14 22:55 N 17 11.27 Overcast OVC007 12 12 100% 76.53 0.0
14 22:35 N 13 8.05 Fog/Mist OVC008 12 12 100% 76.5 0.0
14 22:15 N 11 9.66 Fog/Mist OVC008 12 12 100% 76.53 0.0
14 21:55 NW 15 9.66 Fog/Mist OVC008 12 12 100% 76.5 0.0
14 21:35 NW 13 11.27 Overcast BKN009 OVC014 12 12 100% 76.5 0.0
14 21:15 NW 17 9.66 Fog/Mist SCT011 12 12 100% 76.45 0.0
14 20:55 NW 20 11.27 Fair CLR 12 12 100% 76.43 0.0
14 20:35 N 13 G 22 14.48 Fair CLR 12 12 100% 76.43 0.0
14 20:15 N 15 14.48 Fair CLR 13 13 100% 76.43 0.0
14 19:55 N 22 G 35 14.48 Fair CLR 13 13 100% 76.4 0.0
14 19:35 N 15 G 30 14.48 Fair CLR 13 13 100% 76.4 0.0
14 19:15 N 24 G 37 12.87 Fair CLR 13 13 100% 76.38 0.0
14 18:55 N 39 14.48 Fair and Breezy CLR 14 13 94% 76.38 0.0
14 18:35 N 28 G 43 14.48 Fair CLR 14 13 94% 76.35 0.0
14 18:15 NW 35 G 48 16.09 Fair and Breezy CLR 15 13 88% 76.35 0.0
14 17:55 N 30 14.48 Fair CLR 15 13 88% 76.35 0.0
14 17:35 N 33 14.48 Fair and Breezy CLR 15 13 88% 76.38 0.0
14 17:15 N 24 G 39 12.87 Fair CLR 16 13 83% 76.38 0.0
14 16:55 N 28 G 43 12.87 Fair CLR 16 13 83% 76.38 0.0
14 16:35 NW 33 11.27 Fair and Breezy CLR 16 13 83% 76.38 0.0
14 16:15 NW 35 14.48 Fair and Breezy CLR 16 13 83% 76.38 0.0
14 15:55 NW 26 G 37 11.27 Fair CLR 16 14 88% 76.38 0.0
14 15:35 NW 28 14.48 Fair CLR 16 13 83% 76.38 0.0
14 15:15 NW 30 12.87 Fair CLR 16 13 83% 76.38 0.0
14 14:55 N 26 G 39 11.27 Fair CLR 16 14 88% 76.4 0.0
14 14:35 N 22 11.27 Fair CLR 16 13 83% 76.43 0.0
14 14:15 NW 26 11.27 Fair CLR 15 13 88% 76.43 0.0
14 13:55 NW 24 11.27 Fair CLR 15 13 88% 76.43 0.0
14 13:35 NW 19 11.27 Fair CLR 15 13 88% 76.45 0.0
14 13:15 NW 17 11.27 Fair CLR 15 13 88% 76.45 0.0
14 12:55 NW 20 11.27 Fair CLR 14 13 94% 76.48 0.0
14 12:35 NW 20 G 31 14.48 Fair CLR 14 13 94% 76.5 0.0
14 12:15 N 22 G 33 11.27 A Few Clouds FEW013 14 13 94% 76.5 0.0
14 11:55 N 19 G 30 11.27 A Few Clouds FEW013 0 0 0% 76.53 0.0
14 11:35 NW 26 11.27 Fair CLR 13 13 100% 76.53 0.0
14 11:15 NW 26 9.66 Fog/Mist FEW009 FEW013 13 13 100% 76.53 0.0
14 10:55 NW 24 11.27 A Few Clouds FEW009 FEW013 13 13 100% 76.56 0.0
14 10:35 N 15 G 24 9.66 Fog/Mist SCT013 13 13 100% 76.56 0.0
14 10:15 NW 19 9.66 Fog/Mist FEW009 FEW013 13 13 100% 76.53 0.0
14 09:55 N 15 11.27 Partly Cloudy SCT009 13 13 100% 76.53 0.0
14 09:35 NW 15 9.66 Fog/Mist BKN008 12 12 100% 76.53 0.0
14 09:15 NW 15 9.66 Fog/Mist BKN008 12 12 100% 76.5 0.0
14 08:55 N 9 8.05 Fog/Mist OVC007 11 11 100% 76.48 0.0
14 08:35 Vrbl 11 9.66 Fog/Mist OVC005 11 11 100% 76.45 0.0
14 08:15 N 15 11.27 Overcast OVC005 11 11 100% 76.45 0.0
14 07:55 Vrbl 9 G 24 9.66 Fog/Mist OVC005 11 11 100% 76.43 0.0
14 07:35 NW 15 8.05 Fog/Mist OVC006 11 11 100% 76.43 0.0
14 07:15 Vrbl 7 G 22 12.87 Overcast OVC007 11 11 100% 76.43 0.0
14 06:55 N 9 G 20 12.87 Overcast OVC007 11 11 100% 76.43 0.0
14 06:35 N 15 11.27 Overcast OVC006 11 11 100% 76.43 0.0
14 06:15 NW 11 G 28 12.87 Overcast OVC006 11 11 100% 76.4 0.0
14 05:55 NW 22 11.27 Overcast OVC006 11 11 100% 76.43 0.0
14 05:35 N 19 G 30 11.27 Overcast OVC005 11 11 100% 76.4 0.0
14 05:15 N 19 G 30 11.27 Overcast OVC006 11 11 100% 76.38 0.0
14 04:55 N 17 9.66 Fog/Mist OVC007 11 11 100% 76.38 0.0
14 04:35 Vrbl 7 11.27 Overcast OVC006 0 0 0% 76.38 0.0
14 04:15 Vrbl 7 11.27 Overcast OVC006 11 11 100% 76.38 0.0
14 03:55 NW 26 G 37 9.66 Fog/Mist OVC006 11 11 100% 76.35 0.0
14 03:35 N 28 11.27 Overcast OVC007 11 11 100% 76.38 0.0
14 03:15 N 15 11.27 Overcast OVC007 0 0 0% 76.38 0.0
14 02:55 Calm 9.66 Fog/Mist OVC007 10 10 100% 76.38 0.0
14 02:35 E 7 9.66 Fog/Mist BKN008 10 10 100% 9 76.4 0.0
14 02:15 NE 9 G 19 9.66 Fog/Mist BKN006 11 11 100% 76.4 0.0
14 01:55 Vrbl 11 9.66 Fog/Mist OVC006 11 11 100% 76.43 0.0
14 01:35 N 11 G 22 9.66 Fog/Mist OVC006 11 11 100% 76.4 0.0
14 01:15 N 15 G 30 9.66 Fog/Mist OVC006 11 11 100% 76.43 0.0
14 00:55 N 17 G 30 9.66 Fog/Mist OVC005 11 11 100% 76.43 0.0
14 00:35 N 15 G 30 8.05 Overcast OVC004 0 0 0% 76.43 0.0
14 00:15 Vrbl 9 G 20 8.05 Fog/Mist OVC004 11 11 100% 76.45 0.0
13 23:55 N 22 G 33 8.05 Fog/Mist OVC005 11 11 100% 76.43 0.0
13 23:35 N 28 G 41 9.66 Fog/Mist OVC006 11 11 100% 76.4 0.0
13 23:15 N 31 9.66 Fog/Mist BKN008 11 11 100% 76.4 0.0
13 22:55 N 13 G 30 11.27 A Few Clouds FEW008 12 12 100% 76.43 0.0
13 22:35 Calm 11.27 Fair CLR 12 12 100% 76.4 0.0
13 22:15 N 17 8.05 Fog/Mist CLR 12 12 100% 76.43 0.0
13 21:55 N 15 9.66 Fog/Mist CLR 12 12 100% 76.43 0.0
13 21:35 NW 13 G 22 9.66 Fog/Mist CLR 12 12 100% 76.4 0.0
13 21:15 NW 17 9.66 Fog/Mist CLR 12 12 100% 76.43 0.0
13 20:55 NW 17 12.87 Fair CLR 12 12 100% 76.4 0.0
13 20:35 NW 17 9.66 Fog/Mist CLR 12 12 100% 76.4 0.0
13 20:15 NW 9 11.27 Fair CLR 12 11 94% 76.38 0.0
13 19:55 NW 7 11.27 Fair CLR 12 11 94% 76.38 0.0
13 19:35 N 11 11.27 Fair CLR 13 11 88% 76.38 0.0
13 19:15 N 11 G 26 11.27 Fair CLR 13 12 94% 76.35 0.0
13 18:55 N 11 G 20 9.66 Fog/Mist CLR 13 12 94% 76.35 0.0
13 18:35 N 20 11.27 Fair CLR 13 11 88% 76.33 0.0
13 18:15 NW 11 G 22 11.27 Fair CLR 13 12 94% 76.35 0.0
13 17:55 NW 20 12.87 Fair CLR 14 12 88% 76.35 0.0
13 17:35 N 13 G 31 14.48 Fair CLR 14 12 88% 76.35 0.0
13 17:15 N 17 14.48 Fair CLR 14 12 88% 76.38 0.0
13 16:55 NW 20 12.87 Fair CLR 15 13 88% 76.38 0.0
13 16:35 N 24 14.48 Fair CLR 14 13 94% 76.38 0.0
13 16:15 NW 30 12.87 Fair CLR 14 12 88% 76.38 0.0
13 15:55 N 24 14.48 Fair CLR 15 12 82% 76.4 0.0
13 15:35 NW 26 14.48 Fair CLR 16 12 77% 76.4 0.0
13 15:15 NW 19 14.48 Fair CLR 16 12 77% 76.43 0.0
13 14:55 NW 17 12.87 Fair CLR 16 13 83% 76.43 0.0
13 14:35 N 13 G 31 12.87 Fair CLR 15 13 88% 76.45 0.0
13 14:15 NW 30 12.87 Fair CLR 14 13 94% 76.48 0.0
13 13:55 NW 26 12.87 Fair CLR 14 13 94% 76.5 0.0
13 13:35 NW 24 14.48 Fair CLR 14 13 94% 76.5 0.0
13 13:15 NW 24 12.87 Fair CLR 14 13 94% 76.53 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)