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.
11 15:55 S 22 G 31 4.83 Fair with Haze CLR 18 16 88% 75.84 0.0
11 15:35 S 22 4.83 Fair with Haze CLR 18 15 83% 75.84 0.0
11 15:15 S 19 4.02 Fair with Haze CLR 18 15 83% 75.87 0.0
11 14:55 S 20 4.83 Fair with Haze CLR 18 15 83% 75.84 0.0
11 14:35 S 20 4.83 Fair with Haze CLR 18 14 78% 75.87 0.0
11 14:15 S 20 4.02 Fair with Haze CLR 18 14 78% 75.87 0.0
11 13:55 SE 17 4.83 Fair with Haze CLR 19 14 73% 75.87 0.0
11 13:35 SE 19 G 28 4.83 Fair with Haze CLR 19 13 68% 75.87 0.0
11 13:15 SE 19 4.83 Fair CLR 0 0 0% 75.87 0.0
11 12:55 SE 19 6.44 Fair with Haze CLR 20 13 64% 75.84 0.0
11 12:35 SE 15 4.83 Fair with Haze CLR 19 14 73% 75.84 0.0
11 12:15 S 13 4.02 Fair with Haze CLR 17 14 83% 75.84 0.0
11 11:55 SE 17 3.22 Fair with Haze CLR 18 14 78% 75.82 0.0
11 11:35 S 9 4.02 Fair with Haze CLR 20 15 73% 75.79 0.0
11 11:15 Vrbl 6 3.22 Fair with Haze CLR 20 15 73% 75.77 0.0
11 10:55 Calm 3.22 Fair with Haze CLR 19 15 78% 75.77 0.0
11 10:35 Calm 2.82 Fair with Haze CLR 19 15 78% 75.77 0.0
11 10:15 S 7 2.82 Fair with Haze CLR 18 15 83% 75.77 0.0
11 09:55 SE 9 2.82 Fair with Haze CLR 18 15 83% 75.77 0.0
11 09:35 S 6 2.82 Haze NULL 17 14 83% 75.77 0.0
11 09:15 SE 7 2.82 NULL NULL 0 0 0% 75.77 0.0
11 08:55 Calm 2.82 Fair with Haze CLR 0 0 0% 0 0.0
11 08:35 SE 6 2.41 Fog/Mist CLR 16 14 88% 75.74 0.0
11 08:15 S 7 2.01 Fog/Mist CLR 14 13 94% 75.74 0.0
11 07:55 S 9 3.22 Fog/Mist CLR 16 14 88% 75.72 0.0
11 07:35 Calm 3.22 Fog/Mist CLR 15 14 94% 75.69 0.0
11 07:15 Calm 4.02 Fog/Mist CLR 13 13 100% 75.69 0.0
11 06:55 Calm 4.83 Fog/Mist CLR 11 11 100% 75.67 0.0
11 06:35 Calm 4.02 Fog/Mist CLR 10 10 100% 75.67 0.0
11 06:15 Calm 4.83 Fog/Mist CLR 8 8 100% 75.67 0.0
11 05:55 Calm 4.83 Fog/Mist CLR 9 9 100% 75.67 0.0
11 05:35 Calm 8.05 Fog/Mist CLR 9 9 100% 75.64 0.0
11 05:15 Calm 6.44 Fog/Mist CLR 9 9 100% 75.64 0.0
11 04:55 Calm 8.05 Fog/Mist FEW003 9 9 100% 75.64 0.0
11 04:35 Calm 6.44 Fog/Mist SCT003 9 9 100% 75.64 0.0
11 04:15 Calm 8.05 Fog/Mist SCT003 9 9 100% 75.64 0.0
11 03:55 Calm 6.44 Fog/Mist BKN003 9 9 100% 75.64 0.0
11 03:35 Calm 8.05 Fog/Mist BKN003 9 9 100% 75.64 0.0
11 03:15 Calm 6.44 Fog/Mist BKN003 9 9 100% 75.67 0.0
11 02:55 Calm 6.44 Fog/Mist OVC003 9 9 100% 75.67 0.0
11 02:35 Calm 8.05 Mostly Cloudy BKN003 0 0 0% 75.69 0.0
11 02:15 Calm 8.05 Fog/Mist BKN002 9 9 100% 75.69 0.0
11 01:55 Calm 8.05 Fog/Mist SCT003 10 10 100% 75.69 0.0
11 01:35 Calm 8.05 Fog/Mist CLR 10 10 100% 75.72 0.0
11 01:15 Calm 6.44 Fog/Mist CLR 10 10 100% 75.74 0.0
11 00:55 Calm 6.44 Fog/Mist CLR 10 10 100% 75.74 0.0
11 00:35 Calm 6.44 Fog/Mist FEW003 10 10 100% 75.74 0.0
11 00:15 Calm 6.44 Fog/Mist FEW003 10 10 100% 75.77 0.0
10 23:55 Calm 6.44 Fog/Mist BKN003 10 10 100% 75.77 0.0
10 23:35 Calm 4.83 Fog/Mist SCT003 10 10 100% 75.79 0.0
10 23:15 Calm 4.83 Fog/Mist BKN003 11 11 100% 75.79 0.0
10 22:55 Calm 6.44 Fog/Mist BKN003 11 10 94% 75.79 0.0
10 22:35 Calm 4.83 Fog/Mist BKN003 11 11 100% 75.79 0.0
10 22:15 Calm 4.02 Fog/Mist SCT003 11 11 100% 75.79 0.0
10 21:55 Calm 4.02 Fog/Mist CLR 12 11 94% 75.82 0.0
10 21:35 Calm 4.02 Fog/Mist CLR 12 11 94% 75.82 0.0
10 21:15 NW 7 3.22 Fog/Mist CLR 12 11 94% 75.82 0.0
10 20:55 Calm 3.22 Fog/Mist CLR 13 11 88% 75.82 0.0
10 20:35 NW 7 2.41 Fair with Haze CLR 13 11 88% 75.82 0.0
10 20:15 NW 15 4.83 Fair with Haze CLR 14 10 77% 75.82 0.0
10 19:55 N 15 G 24 4.83 Fair CLR 0 0 0% 75.82 0.0
10 19:35 N 15 6.44 Fair with Haze CLR 16 10 68% 75.79 0.0
10 19:15 N 22 6.44 Fair with Haze CLR 16 10 68% 75.79 0.0
10 18:55 NW 22 G 35 4.83 Fair with Haze CLR 17 10 64% 75.79 0.0
10 18:35 N 31 G 41 4.83 Fair with Haze CLR 17 10 64% 75.79 0.0
10 18:15 N 35 G 46 6.44 Fair with Haze and Breezy CLR 18 10 60% 75.79 0.0
10 17:55 N 28 6.44 Fair with Haze CLR 18 10 60% 75.79 0.0
10 17:35 N 37 6.44 Fair with Haze and Breezy CLR 18 10 60% 75.82 0.0
10 17:15 NW 26 G 44 4.83 Fair with Haze CLR 17 11 68% 75.84 0.0
10 16:55 NW 26 G 35 4.02 Fair with Haze CLR 17 11 68% 75.87 0.0
10 16:35 NW 26 4.83 Fair with Haze CLR 17 11 68% 75.9 0.0
10 16:15 NW 31 4.02 Fair with Haze CLR 16 11 72% 75.92 0.0
10 15:55 NW 26 G 35 4.02 Fair with Haze CLR 16 12 77% 75.95 0.0
10 15:35 NW 30 4.83 Fair with Haze CLR 16 12 77% 75.95 0.0
10 15:15 N 26 G 37 4.83 Fair with Haze CLR 16 11 72% 75.97 0.0
10 14:55 NW 30 4.83 Fair with Haze CLR 17 12 73% 75.97 0.0
10 14:35 N 28 4.83 Fair with Haze CLR 17 12 73% 75.97 0.0
10 14:15 N 26 4.83 Fair with Haze CLR 17 11 68% 76 0.0
10 13:35 N 26 G 41 4.83 Fair with Haze CLR 17 12 73% 76.02 0.0
10 13:15 N 26 4.83 Fair with Haze CLR 17 12 73% 76.02 0.0
10 12:55 N 24 4.83 Fair with Haze CLR 17 12 73% 76.05 0.0
10 12:35 NW 22 G 33 4.83 Fair with Haze CLR 17 12 73% 76.05 0.0
10 12:15 NW 19 4.83 Fair with Haze CLR 17 12 73% 76.05 0.0
10 11:55 N 22 G 31 4.83 Fair with Haze CLR 16 12 77% 76.07 0.0
10 11:35 NW 24 4.02 Fair CLR 0 0 0% 76.07 0.0
10 11:15 NW 24 1.61 Fair with Haze CLR 16 13 83% 76.07 0.0
10 10:55 NW 20 3.22 Fair with Haze CLR 16 13 83% 76.1 0.0
10 10:35 NW 19 4.83 Fair with Haze CLR 17 13 77% 76.1 0.0
10 10:15 NW 19 4.83 Fair with Haze CLR 16 13 83% 76.1 0.0
10 09:55 NW 20 4.83 Fog/Mist CLR 15 13 88% 76.1 0.0
10 09:35 NW 19 4.83 Fair with Haze CLR 15 12 82% 76.1 0.0
10 09:15 NW 15 4.83 Fog/Mist CLR 15 13 88% 76.1 0.0
10 08:55 NW 11 4.83 Fog/Mist CLR 14 13 94% 76.1 0.0
10 08:35 NW 13 4.02 Fog/Mist CLR 13 13 100% 76.1 0.0
10 08:15 Calm 3.22 Fog/Mist CLR 13 13 100% 76.1 0.0
10 07:55 NW 6 3.22 Fog/Mist CLR 12 12 100% 76.1 0.0
10 07:35 NW 6 4.83 Fog/Mist CLR 12 12 100% 76.1 0.0
10 07:15 Calm 4.83 Fog/Mist CLR 11 11 100% 76.07 0.0
10 06:55 Calm 4.83 Fog/Mist SCT004 10 10 100% 76.1 0.0
10 06:35 Calm 4.83 Fog/Mist BKN003 8 8 100% 76.1 0.0
10 06:15 Calm 4.83 Fog/Mist CLR 8 8 100% 76.07 0.0
10 05:55 Calm 4.83 Fog/Mist FEW004 7 7 100% 76.07 0.0
10 05:35 Calm 6.44 A Few Clouds FEW004 0 0 0% 76.07 0.0
10 05:15 Calm 8.05 Fog/Mist FEW003 8 8 100% 76.07 0.0
10 04:55 Calm 8.05 Fog/Mist CLR 8 8 100% 76.05 0.0
10 04:35 Calm 6.44 Fog/Mist CLR 8 8 100% 76.07 0.0
10 04:15 Calm 6.44 Fog/Mist FEW005 8 8 100% 76.07 0.0
10 03:55 Calm 6.44 Fog/Mist CLR 8 8 100% 76.07 0.0
10 03:35 Calm 6.44 Fair CLR 0 0 0% 76.07 0.0
10 03:15 Calm 8.05 Fog/Mist CLR 8 8 100% 76.1 0.0
10 02:55 Calm 8.05 Fog/Mist FEW004 8 8 100% 76.1 0.0
10 02:35 Calm 8.05 Fog/Mist FEW004 9 9 100% 76.12 0.0
10 02:15 Calm 8.05 Fog/Mist CLR 9 9 100% 76.12 0.0
10 01:35 Calm 8.05 Fog/Mist CLR 9 9 100% 76.12 0.0
10 01:15 Calm 9.66 Fog/Mist FEW004 9 9 100% 76.12 0.0
10 00:55 Calm 9.66 Fog/Mist FEW004 9 9 100% 76.12 0.0
10 00:35 Calm 8.05 Fog/Mist CLR 10 10 100% 76.15 0.0
10 00:15 Calm 9.66 Fog/Mist CLR 10 10 100% 76.15 0.0
09 23:55 E 6 9.66 Fog/Mist CLR 10 10 100% 76.15 0.0
09 23:35 Vrbl 7 6.44 Fog/Mist CLR 11 11 100% 76.17 0.0
09 23:15 N 7 6.44 Fog/Mist CLR 12 11 94% 76.2 0.0
09 22:55 N 7 8.05 Fog/Mist CLR 12 11 94% 76.2 0.0
09 22:35 N 6 8.05 Fog/Mist CLR 12 11 94% 76.2 0.0
09 22:15 Calm 6.44 Fog/Mist CLR 12 11 94% 76.2 0.0
09 21:55 Calm 6.44 Fog/Mist CLR 12 11 94% 76.17 0.0
09 21:35 NW 6 8.05 Fog/Mist CLR 12 12 100% 76.17 0.0
09 21:15 NW 9 8.05 Fog/Mist CLR 12 12 100% 76.2 0.0
09 20:55 NW 15 4.83 Fog/Mist CLR 12 12 100% 76.2 0.0
09 20:35 NW 15 6.44 Fog/Mist CLR 12 12 100% 76.17 0.0
09 20:15 NW 19 6.44 Fog/Mist CLR 13 12 94% 76.17 0.0
09 19:55 NW 15 6.44 Fog/Mist CLR 14 12 88% 76.17 0.0
09 19:35 NW 22 6.44 Fog/Mist CLR 14 12 88% 76.17 0.0
09 19:15 Calm 8.05 Fair with Haze CLR 0 0 0% 0 0.0
09 18:55 N 20 G 31 8.05 Fair with Haze CLR 15 12 82% 76.17 0.0
09 18:35 NW 26 G 35 8.05 Fair with Haze CLR 15 12 82% 76.2 0.0
09 18:15 N 19 G 30 8.05 Fair with Haze CLR 15 13 88% 76.23 0.0
09 17:55 NW 19 8.05 Fog/Mist CLR 15 13 88% 76.23 0.0
09 17:35 NW 19 G 28 8.05 Fog/Mist CLR 15 13 88% 76.25 0.0
09 17:15 NW 24 8.05 Fog/Mist CLR 15 13 88% 76.25 0.0
09 16:55 NW 22 G 33 9.66 Fog/Mist CLR 15 13 88% 76.28 0.0
09 16:35 NW 22 9.66 Fog/Mist CLR 15 13 88% 76.28 0.0
09 16:15 NW 24 11.27 Fair CLR 15 14 94% 76.3 0.0
09 15:55 N 22 G 35 12.87 Fair CLR 15 14 94% 76.33 0.0
09 15:35 N 28 14.48 Fair CLR 16 14 88% 76.3 0.0
09 15:15 NW 20 12.87 Fair CLR 16 14 88% 76.33 0.0
09 14:55 N 22 G 35 12.87 Fair CLR 16 14 88% 76.3 0.0
09 14:35 NW 26 12.87 Fair CLR 16 14 88% 76.33 0.0
09 14:15 N 24 12.87 Fair CLR 16 14 88% 76.33 0.0
09 13:55 NW 26 11.27 Fair CLR 16 14 88% 76.33 0.0
09 13:35 NW 24 14.48 Fair CLR 17 15 88% 76.35 0.0
09 13:15 NW 22 G 33 14.48 Fair CLR 16 15 94% 76.35 0.0
09 12:55 N 24 12.87 Fair CLR 16 15 94% 76.33 0.0
09 12:35 NW 24 G 33 14.48 A Few Clouds FEW009 FEW014 16 15 94% 76.33 0.0
09 12:15 N 22 14.48 A Few Clouds FEW008 FEW013 16 15 94% 76.35 0.0
09 11:55 NW 19 G 28 14.48 Partly Cloudy SCT007 SCT015 15 15 100% 76.35 0.0
09 11:35 N 20 12.87 Mostly Cloudy SCT006 BKN013 16 16 100% 76.33 0.0
09 11:15 NW 20 12.87 Mostly Cloudy BKN012 15 15 100% 76.33 0.0
09 10:55 NW 13 12.87 Mostly Cloudy FEW004 BKN012 BKN032 15 15 100% 76.33 0.0
09 10:35 NW 19 12.87 Overcast FEW004 FEW012 OVC032 15 15 100% 76.3 0.0
09 10:15 NW 15 14.48 Mostly Cloudy FEW007 SCT012 BKN032 15 15 100% 76.3 0.0
09 09:55 Calm 16.09 Mostly Cloudy BKN013 BKN031 15 15 100% 76.3 0.0
09 09:35 NW 7 2.01 Fog/Mist BKN004 BKN013 14 14 100% 76.3 0.0
09 09:15 NW 9 1.21 Fog/Mist OVC003 14 14 100% 76.28 0.0
09 08:55 Calm 4.83 Fog/Mist BKN003 14 14 100% 76.25 0.0
09 08:15 NW 7 0.24 Fog OVC002 13 13 100% 76.28 0.0
09 07:55 W 6 0.40 Fog OVC002 14 14 100% 76.25 0.0 0.03
09 07:35 Calm 0.80 Fog OVC003 14 14 100% 76.25 0.0
09 07:15 Calm 0.40 Fog OVC002 14 14 100% 76.23 0.0
09 06:55 Calm 0.40 Fog OVC002 14 14 100% 76.2 0.0
09 06:35 Calm 0.80 Overcast OVC002 0 0 0% 76.17 0.0
09 06:15 S 6 0.40 Fog OVC002 14 14 100% 76.17 0.0
09 05:55 S 7 1.61 Fog/Mist OVC002 14 14 100% 76.15 0.0
09 05:35 Calm 1.21 Fog/Mist OVC002 14 14 100% 76.15 0.0
09 05:15 Calm 0.80 Overcast OVC002 0 0 0% 76.15 0.0
09 04:55 Calm 1.61 Fog/Mist OVC002 14 14 100% 76.15 0.0
09 04:35 S 7 1.21 Fog/Mist OVC002 14 14 100% 76.15 0.0
09 04:15 S 7 1.61 Fog/Mist OVC002 14 14 100% 76.15 0.0
09 03:55 Calm 1.21 Fog/Mist OVC002 14 14 100% 76.15 0.0 0.03
09 03:35 Calm 0.80 Fog OVC002 14 14 100% 76.15 0.0
09 03:15 S 7 0.80 Fog OVC002 14 14 100% 76.17 0.0
09 02:55 S 6 0.80 Fog/Mist OVC002 14 14 100% 76.17 0.0 0.03
09 02:35 S 7 1.21 Fog/Mist OVC004 14 14 100% 76.17 0.0
09 02:15 SE 7 1.21 Fog/Mist OVC002 14 14 100% 76.17 0.0
09 01:55 SE 6 1.21 Fog/Mist OVC002 14 14 100% 76.2 0.0 0.08
09 01:35 S 7 1.21 Fog/Mist OVC002 14 14 100% 76.2 0.0
09 01:15 S 7 1.21 Fog/Mist OVC002 14 14 100% 76.2 0.0
09 00:55 Calm 0.80 Fog/Mist OVC002 14 14 100% 76.23 0.0 0.05
09 00:35 SE 6 0.80 Fog/Mist OVC002 14 14 100% 76.23 0.0
09 00:15 S 7 2.41 Fog/Mist OVC002 14 14 100% 76.23 0.0
08 23:55 S 7 1.21 Fog/Mist OVC004 14 14 100% 76.23 0.0
08 23:35 S 6 4.02 Fog/Mist OVC005 14 14 100% 76.23 0.0
08 23:15 Calm 6.44 Fog/Mist OVC005 14 14 100% 76.23 0.0
08 22:55 Calm 8.05 Fog/Mist OVC005 14 14 100% 76.25 0.0
08 22:35 S 6 8.05 Fog/Mist OVC005 14 14 100% 76.25 0.0
08 22:15 S 7 8.05 Fog/Mist OVC005 14 14 100% 76.25 0.0
08 21:55 S 7 8.05 Fog/Mist OVC005 14 14 100% 76.25 0.0
08 21:35 S 6 6.44 Fog/Mist OVC005 14 14 100% 76.23 0.0
08 21:15 Calm 8.05 Fog/Mist OVC004 14 14 100% 76.23 0.0
08 20:55 W 6 4.83 Fog/Mist OVC005 14 14 100% 76.23 0.0
08 20:35 Calm 6.44 Fog/Mist OVC005 14 14 100% 76.23 0.0
08 20:15 Calm 6.44 Fog/Mist OVC005 14 14 100% 76.23 0.0
08 19:55 Calm 6.44 Fog/Mist OVC004 14 14 100% 76.23 0.0
08 19:35 Calm 4.83 Fog/Mist OVC004 14 14 100% 76.25 0.0
08 19:15 Calm 6.44 Overcast OVC004 0 0 0% 76.25 0.0
08 18:55 Calm 6.44 Fog/Mist OVC005 14 14 100% 76.25 0.0
08 18:35 W 6 6.44 Fog/Mist OVC005 14 14 100% 76.25 0.0
08 18:15 Calm 6.44 Fog/Mist OVC005 14 14 100% 76.25 0.0
08 17:55 Calm 6.44 Fog/Mist OVC005 14 14 100% 76.25 0.0
08 17:35 Calm 4.83 Fog/Mist OVC005 14 14 100% 76.25 0.0
08 17:15 NW 7 4.83 Fog/Mist OVC005 14 14 100% 76.23 0.0
08 16:55 NW 9 4.83 Fog/Mist OVC005 14 14 100% 76.23 0.0
08 16:35 NW 13 G 22 6.44 Fog/Mist OVC005 14 14 100% 76.23 0.0
08 16:15 NW 17 9.66 Fog/Mist OVC007 15 14 94% 76.23 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)