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.
08 07:55 N 13 G 26 9.66 Fog/Mist CLR 16 15 94% 76.58 0.0
08 07:35 N 13 6.44 Fog/Mist CLR 16 15 94% 76.58 0.0
08 07:15 N 13 8.05 Fog/Mist CLR 15 15 100% 76.56 0.0
08 06:55 N 6 8.05 Fog/Mist CLR 0 0 0% 76.53 0.0
08 06:35 N 11 11.27 Fair CLR 15 15 100% 76.53 0.0
08 06:15 N 9 12.87 Fair CLR 0 0 0% 76.53 0.0
08 05:55 Calm 12.87 Fair CLR 12 12 100% 76.53 0.0
08 04:55 N 11 11.27 Fair CLR 15 15 100% 76.5 0.0
08 04:35 N 11 12.87 Fair CLR 0 0 0% 76.5 0.0
08 04:15 N 11 11.27 Fair CLR 15 15 100% 76.5 0.0
08 03:55 N 7 12.87 Fair CLR 15 15 100% 76.5 0.0
08 03:35 N 9 11.27 Fair CLR 15 15 100% 76.48 0.0
08 03:15 N 7 9.66 Fog/Mist SCT013 15 15 100% 76.5 0.0
08 02:55 N 15 11.27 Mostly Cloudy BKN014 16 16 100% 76.53 0.0
08 02:35 N 19 11.27 Overcast OVC015 16 16 100% 76.53 0.0
08 02:15 N 11 G 24 11.27 Overcast BKN013 OVC017 16 16 100% 76.53 0.0
08 01:55 N 13 G 22 11.27 Overcast OVC015 17 16 94% 76.53 0.0
08 01:35 N 19 12.87 Overcast OVC015 17 16 94% 76.53 0.0
08 01:15 N 15 G 24 11.27 Overcast OVC012 16 16 100% 76.53 0.0
08 00:55 Calm 11.27 Overcast OVC010 16 16 100% 76.56 0.0
08 00:35 N 7 12.87 Overcast OVC009 16 16 100% 76.53 0.0
08 00:15 NE 9 11.27 Overcast OVC008 15 15 100% 76.56 0.0
07 23:55 N 11 G 20 9.66 Fog/Mist OVC008 16 16 100% 76.56 0.0
07 23:35 N 9 11.27 Overcast OVC008 16 16 100% 76.56 0.0
07 23:15 Calm 11.27 Overcast OVC008 16 16 100% 76.56 0.0
07 22:55 N 9 11.27 Overcast OVC008 16 16 100% 76.56 0.0
07 22:35 N 17 12.87 Overcast BKN008 OVC011 16 16 100% 76.56 0.0
07 22:15 N 11 11.27 Overcast OVC011 16 16 100% 76.56 0.0
07 21:55 N 17 G 26 11.27 Mostly Cloudy BKN012 16 16 100% 76.56 0.0
07 21:35 N 19 11.27 Mostly Cloudy BKN013 16 16 100% 76.56 0.0
07 21:15 N 24 12.87 Mostly Cloudy SCT014 BKN020 16 16 100% 76.56 0.0
07 20:55 N 24 G 37 12.87 Mostly Cloudy SCT014 BKN021 17 16 94% 76.56 0.0
07 20:35 N 26 G 37 9.66 Fog/Mist FEW014 BKN021 SCT028 16 16 100% 76.56 0.0
07 20:15 N 20 G 30 11.27 Mostly Cloudy FEW013 SCT019 BKN028 16 16 100% 76.53 0.0
07 19:55 N 26 9.66 Mostly Cloudy SCT011 BKN018 0 0 0% 76.53 0.0
07 19:35 NW 20 G 31 8.05 Fog/Mist BKN012 OVC016 16 16 100% 76.53 0.0
07 19:15 N 9 4.83 Fog/Mist BKN012 15 15 100% 76.5 0.0
07 18:35 NW 7 6.44 Fog/Mist CLR 13 13 100% 76.45 0.0
07 18:15 Calm 6.44 Fog/Mist CLR 13 13 100% 76.43 0.0
07 17:55 Calm 6.44 Fog/Mist CLR 14 14 100% 76.43 0.0
07 17:35 Calm 6.44 Fog/Mist CLR 15 15 100% 76.43 0.0
07 17:15 Calm 4.83 Fog/Mist CLR 16 16 100% 76.43 0.0
07 16:55 Calm 4.83 Fog/Mist CLR 17 16 94% 76.45 0.0
07 16:35 Calm 4.83 Fog/Mist CLR 18 16 88% 76.45 0.0
07 16:15 Calm 4.83 Fog/Mist CLR 18 16 88% 76.45 0.0
07 15:55 W 6 4.83 Fog/Mist CLR 18 16 88% 76.48 0.0
07 15:35 Vrbl 7 6.44 Fair with Haze CLR 19 16 83% 76.45 0.0
07 15:15 Calm 6.44 Fair with Haze CLR 19 16 83% 76.45 0.0
07 14:55 W 11 4.83 Fog/Mist CLR 19 17 88% 76.45 0.0
07 14:35 NW 11 4.83 Fog/Mist CLR 18 16 88% 76.45 0.0
07 14:15 NW 15 6.44 Fair with Haze CLR 19 16 83% 76.45 0.0
07 13:55 W 13 4.83 Fog/Mist SCT013 19 17 88% 76.45 0.0
07 13:35 Calm 6.44 Fog/Mist BKN013 19 17 88% 76.45 0.0
07 13:15 SW 9 4.83 Partly Cloudy with Haze SCT013 19 17 88% 76.45 0.0
07 12:55 Vrbl 7 4.83 Fog/Mist CLR 19 17 88% 76.43 0.0
07 12:35 SE 9 4.83 A Few Clouds with Haze FEW013 19 17 88% 76.43 0.0
07 12:15 S 9 4.83 Fair with Haze CLR 19 17 88% 76.43 0.0
07 11:55 S 11 6.44 Fair CLR 0 0 0% 76.43 0.0
07 11:35 Vrbl 9 4.83 Fair with Haze CLR 19 16 83% 76.43 0.0
07 11:15 S 7 4.83 Fair with Haze CLR 19 16 83% 76.43 0.0
07 10:55 S 11 6.44 Fair CLR 0 0 0% 76.43 0.0
07 10:35 S 9 4.83 Fog/Mist CLR 18 16 88% 76.43 0.0
07 10:15 S 13 4.83 Fog/Mist CLR 18 16 88% 76.43 0.0
07 09:55 S 9 4.02 Fog/Mist CLR 18 16 88% 76.43 0.0
07 09:35 S 11 4.02 Fog/Mist CLR 0 0 0% 76.43 0.0
07 09:15 S 11 6.44 Fog/Mist CLR 17 15 88% 76.43 0.0
07 08:55 Calm 3.22 Fog/Mist FEW003 16 16 100% 76.43 0.0
07 08:35 Calm 4.83 Fog/Mist SCT003 15 15 100% 76.43 0.0
07 08:15 Calm 8.05 Fog/Mist CLR 13 13 100% 76.4 0.0
07 07:55 Calm 9.66 Fair CLR 0 0 0% 76.4 0.0
07 07:35 Calm 8.05 Fog/Mist CLR 9 9 100% 76.4 0.0
07 07:15 Calm 8.05 Fog/Mist CLR 9 9 100% 76.38 0.0
07 06:55 Calm 8.05 Fog/Mist FEW004 9 9 100% 76.38 0.0
07 06:35 Calm 9.66 Fog/Mist BKN004 8 8 100% 76.35 0.0
07 06:15 Vrbl 6 12.87 Partly Cloudy SCT004 8 8 100% 76.33 0.0
07 05:55 Calm 11.27 A Few Clouds FEW006 8 8 100% 76.33 0.0
07 05:35 NE 6 11.27 Mostly Cloudy BKN006 8 8 100% 76.33 0.0
07 05:15 NE 9 12.87 A Few Clouds FEW007 0 0 0% 76.35 0.0
07 04:55 NE 6 11.27 Fair CLR 8 8 100% 76.35 0.0
07 04:35 Calm 11.27 Fair CLR 10 10 100% 76.35 0.0
07 04:15 NE 7 11.27 Fair CLR 9 9 100% 8 76.35 0.0
07 03:35 NE 6 11.27 Fair CLR 0 0 0% 76.35 0.0
07 03:15 NE 6 11.27 Fair CLR 9 9 100% 76.38 0.0
07 02:55 Calm 11.27 Fair CLR 8 8 100% 76.38 0.0
07 02:35 NE 6 9.66 Fog/Mist CLR 8 8 100% 76.4 0.0
07 02:15 Calm 11.27 Fair CLR 8 8 100% 76.4 0.0
07 01:55 Calm 11.27 Fair CLR 9 9 100% 76.38 0.0
07 01:35 NE 6 11.27 Fair CLR 9 9 100% 76.38 0.0
07 01:15 NE 7 11.27 Fair CLR 10 10 100% 9 76.38 0.0
07 00:55 Calm 12.87 Fair CLR 10 10 100% 76.4 0.0
07 00:35 NE 6 11.27 Fair CLR 10 10 100% 76.4 0.0
07 00:15 NE 7 12.87 Fair CLR 10 10 100% 9 76.4 0.0
06 23:55 Calm 11.27 Fair CLR 9 9 100% 76.4 0.0
06 23:35 Calm 12.87 Fair CLR 9 9 100% 76.4 0.0
06 23:15 NE 6 12.87 Fair CLR 9 9 100% 76.4 0.0
06 22:55 NE 9 12.87 Fair CLR 10 10 100% 9 76.4 0.0
06 22:35 NE 6 11.27 Fair CLR 9 9 100% 76.4 0.0
06 21:55 Calm 12.87 Fair CLR 10 10 100% 76.4 0.0
06 21:35 Calm 12.87 Fair CLR 10 10 100% 76.4 0.0
06 21:15 Calm 11.27 Fair CLR 10 10 100% 76.4 0.0
06 20:55 NE 7 12.87 Fair CLR 11 10 94% 76.4 0.0
06 20:35 E 6 11.27 Fair CLR 11 10 94% 76.4 0.0
06 20:15 Calm 12.87 Fair CLR 11 11 100% 76.4 0.0
06 19:55 NE 6 11.27 Fair CLR 12 11 94% 76.4 0.0
06 19:35 E 7 11.27 Fair CLR 0 0 0% 76.4 0.0
06 19:15 NE 7 11.27 Fair CLR 12 12 100% 76.43 0.0
06 18:55 Calm 8.05 Fog/Mist CLR 14 14 100% 76.43 0.0
06 18:35 N 6 6.44 Fog/Mist CLR 15 15 100% 76.43 0.0
06 18:15 N 9 8.05 Fog/Mist CLR 16 15 94% 76.43 0.0
06 17:55 N 9 6.44 Fog/Mist CLR 16 15 94% 76.43 0.0
06 17:35 N 9 G 20 4.83 Fog/Mist NULL 16 15 94% 76.43 0.0
06 16:55 N 13 6.44 Fair with Haze CLR 17 15 88% 76.43 0.0
06 16:35 N 19 G 28 8.05 Haze NULL 18 15 83% 76.45 0.0
06 16:15 N 19 G 30 6.44 Haze NULL 18 15 83% 76.43 0.0
06 15:55 N 22 G 31 6.44 Fair with Haze CLR 18 16 88% 76.45 0.0
06 15:35 NW 24 8.05 Fair with Haze CLR 19 15 78% 76.45 0.0
06 15:15 N 24 8.05 Fair with Haze CLR 19 14 73% 76.45 0.0
06 14:55 NW 26 G 35 8.05 Fair with Haze CLR 19 14 73% 76.45 0.0
06 14:35 N 28 G 39 9.66 Fair with Haze CLR 19 14 73% 76.45 0.0
06 14:15 NW 31 8.05 Fair with Haze CLR 19 16 83% 76.45 0.0
06 13:55 NW 24 9.66 Fair with Haze CLR 19 15 78% 76.45 0.0
06 13:35 NW 24 8.05 Fair with Haze CLR 19 15 78% 76.45 0.0
06 13:15 NW 19 8.05 Fair with Haze CLR 19 15 78% 76.48 0.0
06 12:55 NW 20 6.44 Fair with Haze CLR 19 16 83% 76.48 0.0
06 12:35 NW 19 8.05 Fair with Haze CLR 19 15 78% 76.5 0.0
06 12:15 NW 20 8.05 Fair with Haze CLR 20 15 73% 76.53 0.0
06 11:55 NW 15 6.44 Fair with Haze CLR 20 15 73% 76.56 0.0
06 11:35 NW 19 6.44 Fair with Haze CLR 18 15 83% 76.58 0.0
06 11:15 NW 17 6.44 Haze NULL 19 15 78% 76.58 0.0
06 10:55 NW 15 6.44 Haze NULL 19 15 78% 76.58 0.0
06 10:35 NW 15 6.44 Fair with Haze CLR 18 15 83% 76.61 0.0
06 10:15 NW 13 6.44 Fair with Haze CLR 18 15 83% 76.61 0.0
06 09:55 N 13 6.44 Fair with Haze CLR 18 15 83% 76.61 0.0
06 09:35 NW 15 6.44 Fog/Mist CLR 18 16 88% 76.61 0.0
06 09:15 NW 15 6.44 Fog/Mist CLR 17 15 88% 76.61 0.0
06 08:55 Calm 6.44 Fair with Haze CLR 17 14 83% 76.61 0.0
06 08:35 Calm 9.66 Fog/Mist CLR 15 13 88% 76.61 0.0
06 08:15 Calm 9.66 Fog/Mist CLR 13 13 100% 76.61 0.0
06 07:55 NE 6 11.27 Fair CLR 12 11 94% 76.61 0.0
06 07:15 Calm 9.66 Fair CLR 0 0 0% 76.58 0.0
06 06:35 Calm 11.27 Fair CLR 8 8 100% 76.56 0.0
06 02:45 Calm 12.87 Fair CLR 9 9 100% 76.53 0.0
06 02:15 Calm 11.27 Fair CLR 8 8 100% 76.56 0.0
06 01:55 Calm 12.87 Fair CLR 8 8 100% 76.56 0.0
06 01:35 Calm 11.27 Fair CLR 9 9 100% 76.58 0.0
06 01:15 Calm 12.87 Fair CLR 0 0 0% 76.58 0.0
06 00:55 Calm 12.87 Fair CLR 9 9 100% 76.58 0.0
06 00:35 Calm 11.27 Fair CLR 0 0 0% 76.58 0.0
06 00:15 NE 6 11.27 Fair CLR 10 10 100% 76.56 0.0
05 23:55 Calm 11.27 Fair CLR 10 10 100% 76.56 0.0
05 23:35 Calm 14.48 Fair CLR 10 10 100% 76.56 0.0
05 23:15 Calm 12.87 Fair CLR 0 0 0% 76.56 0.0
05 22:55 Calm 11.27 Fair CLR 11 11 100% 76.56 0.0
05 22:35 NE 7 11.27 Fair CLR 11 11 100% 76.56 0.0
05 22:15 Calm 11.27 Fair CLR 11 11 100% 76.56 0.0
05 21:55 Calm 9.66 Fog/Mist CLR 14 14 100% 76.56 0.0
05 21:35 Vrbl 7 9.66 Fog/Mist FEW013 15 15 100% 76.56 0.0
05 21:15 Vrbl 7 8.05 Fog/Mist BKN014 15 15 100% 76.56 0.0
05 20:55 Vrbl 7 G 19 8.05 Fog/Mist BKN014 16 15 94% 76.53 0.0
05 20:35 NW 9 9.66 Fog/Mist SCT014 16 15 94% 76.53 0.0
05 20:15 N 13 9.66 Fog/Mist CLR 16 15 94% 76.53 0.0
05 19:55 N 13 11.27 Fair CLR 16 15 94% 76.5 0.0
05 19:35 N 13 11.27 Fair CLR 15 15 100% 76.5 0.0
05 19:15 N 13 G 22 9.66 Fog/Mist CLR 16 15 94% 76.5 0.0
05 18:55 N 17 8.05 Fair CLR 0 0 0% 76.48 0.0
05 18:35 N 17 9.66 Fog/Mist CLR 16 14 88% 76.48 0.0
05 18:15 N 13 8.05 Fog/Mist CLR 16 15 94% 76.48 0.0
05 17:55 N 6 8.05 Fog/Mist NULL 16 15 94% 76.48 0.0
05 17:35 N 11 G 24 8.05 Fog/Mist CLR 16 15 94% 76.45 0.0
05 17:15 N 15 G 28 8.05 Fog/Mist CLR 16 15 94% 76.45 0.0
05 16:55 N 20 9.66 Fog/Mist CLR 17 15 88% 76.43 0.0
05 16:35 N 26 8.05 Fog/Mist CLR 17 15 88% 76.43 0.0
05 16:15 N 26 G 37 9.66 Fair with Haze CLR 18 15 83% 76.38 0.0
05 15:55 N 24 G 35 9.66 Fair CLR 0 0 0% 76.4 0.0
05 15:35 N 22 G 31 11.27 Fair CLR 19 15 78% 76.4 0.0
05 15:15 N 28 12.87 Fair CLR 19 14 73% 76.4 0.0
05 14:55 NW 24 G 33 12.87 Fair CLR 19 14 73% 76.4 0.0
05 14:35 N 20 G 33 11.27 Fair CLR 19 14 73% 76.4 0.0
05 14:15 NW 22 12.87 Fair CLR 19 14 73% 76.4 0.0
05 13:55 NW 24 11.27 Fair CLR 19 14 73% 76.43 0.0
05 13:35 NW 22 G 31 12.87 Fair CLR 0 0 0% 76.4 0.0
05 13:15 NW 24 9.66 Fair with Haze CLR 19 14 73% 76.43 0.0
05 12:55 NW 24 11.27 Fair CLR 19 13 68% 76.43 0.0
05 12:35 NW 20 9.66 Fair with Haze CLR 20 13 64% 76.43 0.0
05 12:15 NW 17 12.87 Fair CLR 20 14 69% 76.45 0.0
05 11:55 NW 15 12.87 Fair CLR 20 14 69% 76.48 0.0
05 11:35 NW 17 11.27 Fair CLR 0 0 0% 76.48 0.0
05 11:15 NW 17 12.87 NULL NULL 20 12 60% 76.5 0.0
05 10:55 NW 15 0.00 NULL NULL 20 11 56% 76.53 0.0
05 10:35 NW 9 8.05 Fair with Haze CLR 18 14 78% 76.56 0.0
05 10:15 NW 7 9.66 Fair with Haze CLR 18 14 78% 76.56 0.0
05 09:55 W 9 8.05 Fair with Haze CLR 18 15 83% 76.58 0.0
05 09:35 Calm 8.05 Fair with Haze CLR 0 0 0% 0 0.0
05 09:15 Calm 8.05 Fair with Haze CLR 17 15 88% 76.56 0.0
05 08:35 Calm 9.66 Fog/Mist CLR 16 14 88% 76.58 0.0
05 08:15 Calm 12.87 Fair CLR 14 13 94% 76.56 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)