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.
09 15:15 S 11 11.27 Overcast OVC013 16 15 94% 75.67 0.0
09 14:55 S 13 11.27 Overcast OVC013 17 15 88% 75.67 0.0
09 14:35 S 13 11.27 Overcast OVC013 17 15 88% 75.67 0.0
09 14:15 Vrbl 7 11.27 Overcast OVC013 16 15 94% 75.69 0.0
09 13:55 S 9 9.66 Overcast with Haze OVC013 17 14 83% 75.69 0.0
09 13:35 Vrbl 11 9.66 Fog/Mist OVC013 17 15 88% 75.72 0.0
09 13:15 S 11 8.05 Fog/Mist OVC013 17 14 83% 75.72 0.0
09 12:55 S 13 11.27 Overcast OVC013 16 15 94% 75.74 0.0
09 12:35 S 11 9.66 Fog/Mist OVC013 16 15 94% 75.74 0.0
09 12:15 S 11 9.66 Fog/Mist OVC013 16 15 94% 75.74 0.0
09 11:55 SE 11 9.66 Fog/Mist OVC013 16 14 88% 75.77 0.0
09 11:35 S 11 11.27 Overcast OVC013 16 15 94% 75.77 0.0
09 11:15 S 9 8.05 Overcast OVC012 0 0 0% 75.77 0.0
09 10:55 S 13 8.05 Fog/Mist BKN010 BKN013 15 15 100% 75.79 0.0
09 10:35 S 11 6.44 Fog/Mist OVC012 15 15 100% 75.79 0.0
09 10:15 SE 11 6.44 Fog/Mist SCT006 OVC012 15 15 100% 75.79 0.0
09 09:55 SE 9 4.83 Mostly Cloudy BKN006 BKN013 0 0 0% 75.79 0.0
09 09:35 S 13 8.05 Fog/Mist OVC008 14 14 100% 75.79 0.0
09 09:15 SE 7 8.05 Fog/Mist NULL 15 15 100% 75.79 0.0
09 09:00 SE 7 0.00 NULL NULL 0 0 0% 75.79 0.0
09 08:15 SE 7 6.44 Fog/Mist OVC006 14 14 100% 75.74 0.0
09 07:35 Calm 9.66 Fog/Mist OVC005 13 13 100% 75.72 0.0
09 07:15 E 9 11.27 Overcast OVC005 13 13 100% 75.72 0.0
09 06:55 E 7 11.27 Overcast OVC005 13 13 100% 75.72 0.0
09 06:35 Calm 9.66 Fog/Mist OVC005 13 13 100% 75.72 0.0
09 06:15 NE 7 9.66 Fog/Mist OVC004 13 13 100% 75.69 0.0
09 05:55 E 7 9.66 Fog/Mist OVC004 13 13 100% 75.69 0.0
09 05:35 Calm 8.05 Fog/Mist OVC004 13 13 100% 75.69 0.0
09 05:15 E 9 4.83 Fog/Mist OVC003 13 13 100% 75.69 0.0
09 04:55 E 7 4.83 Fog/Mist OVC003 13 13 100% 75.69 0.0
09 04:35 Calm 4.02 Fog/Mist OVC003 13 13 100% 75.69 0.0
09 04:15 E 7 4.83 Fog/Mist OVC003 13 13 100% 75.69 0.0
09 03:55 Calm 6.44 Fog/Mist OVC003 13 13 100% 75.69 0.0
09 03:35 Calm 2.01 Fog/Mist OVC002 13 13 100% 75.69 0.0
09 03:15 Calm 3.22 Fog/Mist OVC002 13 13 100% 75.69 0.0
09 02:55 NW 7 1.21 Fog/Mist OVC002 13 13 100% 75.72 0.0
09 02:35 Calm 2.01 Fog/Mist OVC002 13 13 100% 75.74 0.0
09 02:15 Calm 2.01 Fog/Mist OVC002 13 13 100% 75.74 0.0
09 01:35 Calm 1.61 Fog/Mist OVC002 13 13 100% 75.77 0.0
09 01:15 Calm 2.41 Fog/Mist OVC002 14 14 100% 75.77 0.0
09 00:35 N 6 1.61 Fog/Mist OVC002 14 14 100% 75.77 0.0
09 00:15 NW 7 4.02 Fog/Mist OVC003 14 14 100% 75.79 0.0
08 23:55 Calm 4.83 Fog/Mist OVC003 14 14 100% 75.79 0.0
08 23:35 NW 7 3.22 Fog/Mist OVC002 14 14 100% 75.79 0.0
08 23:15 NW 7 2.82 Overcast OVC003 0 0 0% 75.79 0.0
08 22:55 Calm 6.44 Fog/Mist OVC003 14 14 100% 75.77 0.0
08 22:35 Calm 2.82 Overcast OVC003 0 0 0% 75.77 0.0
08 22:15 N 9 4.83 Fog/Mist OVC003 14 14 100% 75.79 0.0
08 21:55 Vrbl 7 4.02 Fog/Mist OVC003 14 14 100% 75.77 0.0
08 21:35 NW 9 4.83 Fog/Mist OVC003 14 14 100% 75.77 0.0
08 21:15 N 7 6.44 Fog/Mist OVC003 14 14 100% 75.77 0.0
08 20:55 NW 9 6.44 Fog/Mist OVC003 14 14 100% 75.77 0.0
08 20:35 N 7 6.44 Fog/Mist OVC003 14 14 100% 75.77 0.0
08 20:15 N 13 6.44 Overcast OVC003 0 0 0% 75.74 0.0
08 19:35 N 13 4.83 Fog/Mist OVC003 14 14 100% 75.74 0.0
08 19:15 N 9 8.05 Fog/Mist OVC003 14 14 100% 75.74 0.0
08 18:55 N 9 6.44 Fog/Mist OVC003 14 14 100% 75.72 0.0
08 18:35 N 13 G 22 6.44 Fog/Mist OVC003 14 14 100% 75.72 0.0
08 18:15 N 17 G 28 4.83 Fog/Mist OVC004 14 14 100% 75.74 0.0
08 17:55 N 22 6.44 Fog/Mist OVC004 15 15 100% 75.74 0.0
08 17:35 NW 19 6.44 Fog/Mist OVC004 15 15 100% 75.74 0.0
08 17:15 N 19 6.44 Fog/Mist OVC004 15 15 100% 75.74 0.0
08 16:55 N 19 G 30 8.05 Fog/Mist OVC005 15 15 100% 75.74 0.0
08 16:35 N 22 9.66 Fog/Mist OVC005 16 16 100% 75.74 0.0
08 16:15 NW 24 9.66 Fog/Mist BKN005 16 15 94% 75.77 0.0
08 15:55 NW 20 11.27 Mostly Cloudy BKN006 16 16 100% 75.77 0.0
08 15:35 NW 20 G 31 12.87 Partly Cloudy SCT006 17 16 94% 75.79 0.0
08 15:15 NW 20 12.87 Fair CLR 18 16 88% 75.79 0.0
08 14:55 NW 22 12.87 Fair CLR 17 15 88% 75.79 0.0
08 14:35 NW 20 11.27 Fair CLR 17 15 88% 75.82 0.0
08 14:15 NW 20 9.66 Fog/Mist CLR 17 15 88% 75.82 0.0
08 13:55 NW 20 11.27 Fair CLR 17 15 88% 75.84 0.0
08 13:35 NW 22 11.27 A Few Clouds FEW004 17 15 88% 75.87 0.0
08 13:15 NW 20 11.27 Mostly Cloudy BKN004 16 15 94% 75.9 0.0
08 12:55 NW 17 11.27 Mostly Cloudy BKN004 16 15 94% 75.92 0.0
08 12:35 NW 22 11.27 A Few Clouds FEW004 17 15 88% 75.92 0.0
08 12:15 NW 19 11.27 Fair CLR 17 15 88% 75.92 0.0
08 11:55 NW 19 12.87 Fair CLR 17 15 88% 75.95 0.0
08 11:35 NW 17 12.87 Fair CLR 17 15 88% 75.95 0.0
08 11:15 NW 17 9.66 Fog/Mist CLR 16 15 94% 75.97 0.0
08 10:55 N 15 12.87 Fair CLR 16 15 94% 75.95 0.0
08 10:35 NW 15 8.05 Fog/Mist FEW003 16 15 94% 75.97 0.0
08 10:15 N 15 8.05 Fog/Mist FEW003 15 15 100% 75.95 0.0
08 09:55 NW 19 12.87 Fair CLR 15 15 100% 75.95 0.0
08 09:35 NW 13 11.27 A Few Clouds FEW005 15 15 100% 75.95 0.0
08 09:15 NW 15 9.66 Fog/Mist BKN003 14 14 100% 75.95 0.0
08 08:55 Calm 1.61 Fog/Mist OVC003 13 13 100% 75.95 0.0
08 08:35 NW 11 4.83 Fog/Mist OVC003 13 13 100% 75.92 0.0
08 08:15 N 7 6.44 Fog/Mist OVC003 13 13 100% 75.92 0.0
08 07:55 Vrbl 7 1.61 Fog/Mist OVC003 13 13 100% 75.92 0.0
08 07:35 N 7 0.80 Fog OVC002 13 13 100% 75.92 0.0
08 07:15 Vrbl 7 0.80 Fog OVC002 13 13 100% 75.92 0.0
08 06:55 N 7 1.61 Fog/Mist OVC002 13 13 100% 75.92 0.0
08 06:35 N 11 0.80 Fog OVC002 13 13 100% 75.9 0.0
08 06:15 NW 11 0.40 Overcast OVC002 0 0 0% 75.92 0.0
08 05:55 Calm 0.24 Fog OVC002 13 13 100% 75.92 0.0
08 05:35 Calm 0.40 Fog OVC002 13 13 100% 75.92 0.0
08 05:15 Calm 0.24 Fog OVC002 13 13 100% 75.92 0.0
08 04:55 NW 7 0.24 Fog OVC002 13 13 100% 75.92 0.0
08 04:35 Vrbl 9 0.24 Fog OVC002 13 13 100% 75.92 0.0
08 04:15 N 7 0.40 Fog OVC002 13 13 100% 75.92 0.0
08 03:55 Calm 0.40 Fog OVC002 13 13 100% 75.92 0.0
08 03:35 Calm 0.40 Fog OVC002 13 13 100% 75.95 0.0
08 03:15 Vrbl 6 0.80 Fog OVC002 12 12 100% 75.95 0.0
08 02:55 Calm 0.40 Fog OVC002 13 13 100% 75.95 0.0
08 02:35 E 7 2.82 Fog/Mist OVC002 12 12 100% 75.97 0.0
08 02:15 E 9 4.02 Fog/Mist OVC002 12 12 100% 75.97 0.0
08 01:55 Calm 1.61 Fog/Mist OVC003 13 13 100% 75.97 0.0
08 01:35 E 7 4.02 Fog/Mist OVC003 13 13 100% 75.97 0.0
08 01:15 E 6 4.83 Fog/Mist OVC004 13 13 100% 75.97 0.0
08 00:55 Vrbl 7 6.44 Fog/Mist OVC003 13 13 100% 75.97 0.0
08 00:35 N 7 6.44 Fog/Mist OVC003 13 13 100% 75.97 0.0
08 00:15 NW 6 4.83 Fog/Mist OVC003 14 14 100% 75.97 0.0
07 23:55 N 11 6.44 Fog/Mist OVC003 14 14 100% 75.97 0.0
07 23:35 N 7 6.44 Fog/Mist OVC003 14 14 100% 75.97 0.0
07 23:15 NW 11 4.83 Overcast OVC003 0 0 0% 75.97 0.0
07 22:55 NW 11 4.83 Fog/Mist OVC003 14 14 100% 75.97 0.0
07 22:35 N 7 4.83 Fog/Mist OVC003 14 14 100% 75.97 0.0
07 22:15 N 6 G 19 6.44 Fog/Mist OVC003 14 14 100% 75.97 0.0
07 21:55 N 7 4.83 Fog/Mist OVC003 14 14 100% 75.95 0.0
07 21:35 N 9 6.44 Fog/Mist OVC003 14 14 100% 75.95 0.0
07 21:15 N 11 8.05 Fog/Mist OVC003 14 14 100% 75.95 0.0
07 20:55 N 7 9.66 Fog/Mist OVC003 14 14 100% 75.95 0.0
07 20:35 N 11 8.05 Fog/Mist OVC003 14 14 100% 75.95 0.0
07 20:15 N 11 8.05 Fog/Mist OVC003 14 14 100% 75.95 0.0
07 19:55 Vrbl 11 9.66 Fog/Mist NULL 14 14 100% 75.95 0.0
07 19:35 N 13 9.66 Fog/Mist NULL 14 14 100% 75.95 0.0
07 19:15 N 11 8.05 Fog/Mist NULL 14 14 100% 75.95 0.0
07 18:55 N 15 0.00 NULL NULL 0 0 0% 75.92 0.0
07 18:35 N 17 4.83 Fog/Mist OVC003 14 14 100% 75.92 0.0
07 18:15 N 15 8.05 Fog/Mist OVC003 14 14 100% 75.92 0.0
07 17:35 NW 19 9.66 Fog/Mist OVC004 15 15 100% 75.92 0.0
07 17:15 NW 19 9.66 Fog/Mist BKN004 15 15 100% 75.92 0.0
07 16:55 N 20 11.27 Partly Cloudy SCT005 15 15 100% 75.92 0.0
07 16:35 NW 20 G 30 12.87 Fair CLR 16 15 94% 75.92 0.0
07 16:15 N 20 12.87 Fair CLR 17 15 88% 75.92 0.0
07 15:55 NW 24 12.87 Fair CLR 0 0 0% 75.95 0.0
07 15:35 NW 22 14.48 Fair CLR 17 15 88% 75.95 0.0
07 15:15 NW 22 12.87 Fair CLR 17 15 88% 75.95 0.0
07 14:55 NW 26 12.87 Fair CLR 17 15 88% 75.97 0.0
07 14:35 NW 24 11.27 Fair CLR 17 15 88% 75.97 0.0
07 14:15 NW 22 12.87 Fair CLR 17 15 88% 76 0.0
07 13:55 NW 24 12.87 Fair CLR 17 15 88% 76 0.0
07 13:35 NW 24 11.27 Fair CLR 17 15 88% 76.02 0.0
07 13:15 NW 24 9.66 Fog/Mist CLR 17 15 88% 76.05 0.0
07 12:55 NW 22 11.27 Fair CLR 17 15 88% 76.05 0.0
07 12:35 NW 19 12.87 A Few Clouds FEW003 17 15 88% 76.05 0.0
07 12:15 NW 19 8.05 Fog/Mist SCT003 16 15 94% 76.07 0.0
07 11:55 NW 20 9.66 Fog/Mist SCT004 16 15 94% 76.07 0.0
07 11:35 N 20 9.66 Fog/Mist BKN004 16 15 94% 76.07 0.0
07 11:15 NW 20 9.66 Partly Cloudy SCT004 0 0 0% 76.07 0.0
07 10:55 NW 20 11.27 Fair CLR 16 15 94% 76.07 0.0
07 10:35 NW 20 12.87 Fair CLR 16 15 94% 76.05 0.0
07 10:15 NW 19 11.27 Fair CLR 16 16 100% 76.05 0.0
07 09:55 NW 15 12.87 Fair CLR 15 15 100% 76.05 0.0
07 09:35 NW 15 9.66 Fog/Mist CLR 15 15 100% 76.05 0.0
07 09:15 N 11 11.27 A Few Clouds FEW004 14 14 100% 76.05 0.0
07 08:55 NW 11 9.66 Fog/Mist BKN004 14 14 100% 76.02 0.0
07 08:35 NW 13 2.82 Fog/Mist OVC003 13 13 100% 76.02 0.0
07 08:15 N 9 3.22 Fog/Mist OVC003 13 13 100% 76.02 0.0
07 07:55 N 7 3.22 Fog/Mist OVC003 13 13 100% 76 0.0
07 07:15 Vrbl 9 0.80 Fog OVC002 13 13 100% 76 0.0
07 06:35 Calm 6.44 Fog/Mist OVC003 11 11 100% 76 0.0
07 05:55 N 11 1.61 Fog/Mist OVC002 13 13 100% 76 0.0
07 05:35 Calm 3.22 Overcast OVC002 0 0 0% 75.97 0.0
07 05:15 Calm 1.21 Fog/Mist OVC002 13 13 100% 75.97 0.0
07 04:55 N 7 0.80 Fog/Mist OVC002 13 13 100% 75.95 0.0
07 04:35 N 11 0.40 Fog OVC002 13 13 100% 75.95 0.0
07 04:15 Calm 0.24 Fog OVC002 13 13 100% 75.97 0.0
07 03:55 Calm 0.40 Fog OVC002 13 13 100% 75.97 0.0
07 03:35 Calm 0.40 Fog OVC002 13 13 100% 75.97 0.0
07 03:15 Calm 0.40 Fog OVC002 13 13 100% 75.97 0.0
07 02:55 Calm 1.21 Fog/Mist OVC002 12 12 100% 75.97 0.0
07 02:35 NW 9 0.24 Fog OVC002 13 13 100% 75.97 0.0
07 02:15 N 7 0.40 Fog OVC002 13 13 100% 75.97 0.0
07 01:55 N 13 0.40 Fog OVC002 13 13 100% 75.97 0.0
07 01:35 N 7 0.40 Fog OVC002 13 13 100% 75.97 0.0
07 01:15 N 9 0.40 Fog OVC002 13 13 100% 76 0.0
07 00:55 N 7 0.24 Fog OVC002 13 13 100% 76 0.0
07 00:35 N 6 0.24 Fog OVC002 13 13 100% 76 0.0
07 00:15 Calm 0.80 Fog OVC002 12 12 100% 76 0.0
06 23:35 NE 6 0.40 Fog OVC002 13 13 100% 76 0.0
06 23:15 N 6 0.40 Fog OVC002 14 14 100% 76.02 0.0
06 22:35 N 7 0.40 Fog OVC002 14 14 100% 76.02 0.0
06 22:15 N 9 0.40 Fog OVC002 14 14 100% 76 0.0
06 21:35 N 7 0.24 Fog OVC002 14 14 100% 75.97 0.0
06 21:15 NW 11 0.40 Fog OVC002 14 14 100% 75.97 0.0
06 20:55 N 7 0.40 Fog OVC002 14 14 100% 75.97 0.0
06 20:35 N 9 0.40 Overcast OVC002 0 0 0% 75.95 0.0
06 20:15 N 9 0.40 Fog OVC002 14 14 100% 75.95 0.0
06 19:55 N 11 1.21 Fog/Mist OVC002 14 14 100% 75.92 0.0
06 19:35 NW 11 2.41 Fog/Mist OVC003 14 14 100% 75.92 0.0
06 19:15 N 11 4.83 Fog/Mist OVC003 14 14 100% 75.92 0.0
06 18:55 N 9 2.41 Fog/Mist OVC003 14 14 100% 75.92 0.0
06 18:35 N 15 1.61 Fog/Mist OVC002 14 14 100% 75.9 0.0
06 18:15 NW 17 4.02 Fog/Mist OVC003 15 15 100% 75.9 0.0
06 17:55 N 17 4.83 Fog/Mist OVC003 15 15 100% 75.9 0.0
06 17:35 NW 19 6.44 Fog/Mist OVC003 15 15 100% 75.9 0.0
06 17:15 NW 15 4.83 Fog/Mist NULL 15 15 100% 75.9 0.0
06 16:55 NW 17 11.27 Fair CLR 16 16 100% 75.9 0.0
06 16:35 NW 17 11.27 Fair CLR 16 16 100% 75.9 0.0
06 16:15 NW 19 12.87 A Few Clouds FEW003 17 16 94% 75.9 0.0
06 15:55 NW 20 11.27 Fair CLR 17 16 94% 75.9 0.0
06 15:35 NW 19 14.48 Fair CLR 18 16 88% 75.9 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)