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 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
08 15:55 NW 17 8.05 Fog/Mist BKN007 15 14 94% 76.23 0.0
08 15:35 NW 11 8.05 Fog/Mist BKN007 14 14 100% 76.23 0.0
08 15:15 W 15 9.66 Fog/Mist BKN007 15 14 94% 76.2 0.0
08 14:55 NW 15 9.66 Fog/Mist BKN007 14 14 100% 76.23 0.0
08 14:35 NW 15 9.66 Fog/Mist SCT007 SCT012 0 0 0% 76.23 0.0
08 14:15 NW 17 9.66 Fog/Mist FEW008 SCT012 15 14 94% 76.2 0.0
08 13:55 NW 19 G 28 11.27 Partly Cloudy SCT007 15 14 94% 76.2 0.0
08 13:35 NW 17 G 28 9.66 Mostly Cloudy BKN006 0 0 0% 76.2 0.0
08 13:15 NW 22 9.66 Fog/Mist SCT006 14 13 94% 76.2 0.0
08 12:55 NW 17 11.27 A Few Clouds FEW010 14 13 94% 76.17 0.0
08 12:35 NW 17 9.66 Fog/Mist SCT013 14 12 88% 76.2 0.0
08 12:15 NW 15 11.27 Overcast OVC013 14 12 88% 76.2 0.0
08 11:55 NW 17 9.66 Overcast with Haze OVC016 15 12 82% 76.17 0.0
08 11:35 NW 13 9.66 Mostly Cloudy with Haze BKN017 15 12 82% 76.15 0.0
08 11:15 NW 15 9.66 Fair with Haze CLR 15 12 82% 76.15 0.0
08 10:55 N 22 G 37 9.66 Fair with Haze CLR 15 12 82% 76.12 0.0
08 10:35 NW 20 9.66 Fair with Haze CLR 14 12 88% 76.1 0.0
08 10:15 NW 17 8.05 Fair with Haze CLR 14 12 88% 76.07 0.0
08 09:55 NW 19 9.66 Fair with Haze CLR 14 11 82% 76.05 0.0
08 09:35 NW 19 8.05 Fog/Mist CLR 13 11 88% 76.05 0.0
08 09:15 NW 11 G 22 8.05 Fog/Mist FEW014 13 11 88% 76.02 0.0
08 08:55 NW 13 G 22 8.05 Fog/Mist FEW013 13 11 88% 76.02 0.0
08 08:35 NW 15 8.05 Fog/Mist SCT014 13 11 88% 76.02 0.0
08 08:15 NW 15 6.44 Fog/Mist BKN014 12 11 94% 76.02 0.0
08 07:55 NW 13 6.44 Overcast OVC013 0 0 0% 76.02 0.0
08 07:35 NW 11 6.44 Fog/Mist OVC013 12 11 94% 76 0.0
08 07:15 NW 13 6.44 Fog/Mist OVC013 12 11 94% 76 0.0
08 06:55 NW 13 6.44 Fog/Mist OVC012 12 11 94% 76 0.0
08 06:35 N 11 G 20 6.44 Fog/Mist OVC011 11 11 100% 75.97 0.0
08 06:15 N 13 6.44 Overcast OVC011 0 0 0% 75.97 0.0
08 05:55 NW 17 6.44 Fog/Mist OVC012 11 11 100% 75.97 0.0
08 05:35 NW 19 8.05 Fog/Mist OVC012 11 11 100% 75.97 0.0
08 05:15 NW 15 8.05 Fog/Mist OVC012 11 11 100% 75.95 0.0
08 04:55 NW 11 G 22 8.05 Fog/Mist OVC013 11 11 100% 75.95 0.0
08 04:35 NW 11 8.05 Fog/Mist OVC013 11 11 100% 75.92 0.0
08 04:15 NW 13 8.05 Fog/Mist OVC013 11 11 100% 75.95 0.0
08 03:55 NW 9 8.05 Fog/Mist OVC013 11 11 100% 75.92 0.0
08 03:35 N 7 8.05 Fog/Mist OVC013 11 11 100% 75.92 0.0
08 03:15 NW 9 8.05 Fog/Mist OVC013 11 11 100% 75.95 0.0
08 02:55 NW 9 8.05 Fog/Mist OVC013 11 11 100% 75.95 0.0
08 02:35 NW 13 8.05 Fog/Mist OVC014 11 11 100% 75.95 0.0
08 02:15 Vrbl 7 6.44 Fog/Mist OVC014 11 11 100% 75.95 0.0
08 01:55 Calm 6.44 Fog/Mist OVC013 11 11 100% 75.95 0.0
08 01:35 Calm 8.05 Fog/Mist BKN013 10 10 100% 75.95 0.0
08 01:15 NW 6 6.44 Fog/Mist BKN013 10 10 100% 75.95 0.0
08 00:55 NW 9 6.44 Fog/Mist OVC014 11 11 100% 75.95 0.0
08 00:35 NW 13 8.05 Fog/Mist OVC013 11 11 100% 75.95 0.0
08 00:15 NW 17 8.05 Fog/Mist BKN014 11 11 100% 75.97 0.0
07 23:55 NW 13 6.44 Fog/Mist BKN014 11 11 100% 75.97 0.0
07 23:35 NW 11 6.44 Fog/Mist SCT014 11 10 94% 75.95 0.0
07 23:15 NW 17 6.44 Fog/Mist CLR 11 10 94% 75.97 0.0
07 22:55 NW 13 8.05 Fog/Mist CLR 11 10 94% 75.95 0.0
07 22:35 NW 17 8.05 Fog/Mist CLR 11 10 94% 75.95 0.0
07 22:15 NW 17 8.05 Fog/Mist FEW014 11 10 94% 75.95 0.0
07 21:55 NW 22 8.05 Fog/Mist CLR 11 10 94% 75.95 0.0
07 21:35 NW 22 8.05 Fog/Mist CLR 11 10 94% 75.95 0.0
07 21:15 NW 19 8.05 Fog/Mist FEW015 11 10 94% 75.92 0.0
07 20:55 NW 19 8.05 Fog/Mist SCT015 11 10 94% 75.92 0.0
07 20:35 NW 17 6.44 Fog/Mist CLR 11 10 94% 75.95 0.0
07 20:15 NW 19 6.44 Fair CLR 0 0 0% 75.95 0.0
07 19:55 NW 19 6.44 Fog/Mist CLR 12 10 88% 75.95 0.0
07 19:35 NW 17 6.44 Fog/Mist CLR 12 10 88% 75.95 0.0
07 19:15 NW 15 G 26 6.44 Fog/Mist CLR 0 0 0% 75.95 0.0
07 18:55 NW 20 6.44 Fair with Haze CLR 13 11 88% 75.95 0.0
07 18:35 NW 22 6.44 Fair with Haze CLR 13 11 88% 75.95 0.0
07 18:15 NW 22 G 31 6.44 Fair with Haze CLR 13 11 88% 75.95 0.0
07 17:55 NW 20 G 31 6.44 A Few Clouds with Haze FEW013 14 11 82% 75.95 0.0
07 17:35 NW 26 6.44 Mostly Cloudy with Haze BKN013 13 11 88% 75.95 0.0
07 17:15 NW 30 6.44 Partly Cloudy with Haze SCT013 14 11 82% 75.97 0.0
07 16:55 NW 24 6.44 Mostly Cloudy with Haze BKN014 14 11 82% 75.97 0.0
07 16:35 NW 26 6.44 Partly Cloudy with Haze SCT014 14 11 82% 75.97 0.0
07 16:15 NW 26 G 37 6.44 Fair with Haze CLR 14 11 82% 75.97 0.0
07 15:55 NW 28 6.44 Fair with Haze CLR 14 11 82% 75.97 0.0
07 15:35 NW 30 6.44 Fair with Haze CLR 14 11 82% 75.97 0.0
07 15:15 N 28 8.05 Fair with Haze CLR 14 11 82% 76 0.0
07 14:55 N 24 G 37 6.44 Fair with Haze CLR 14 12 88% 75.97 0.0
07 14:35 N 24 G 37 6.44 Fair with Haze CLR 15 12 82% 75.97 0.0
07 14:15 NW 28 6.44 Fair with Haze CLR 14 12 88% 75.97 0.0
07 13:55 NW 28 6.44 Fair with Haze CLR 14 11 82% 75.97 0.0
07 13:35 NW 26 6.44 Fair with Haze CLR 14 11 82% 75.97 0.0
07 13:15 NW 20 8.05 Fair with Haze CLR 15 12 82% 75.97 0.0
07 12:55 NW 20 8.05 Fair with Haze CLR 14 11 82% 75.97 0.0
07 12:35 NW 22 6.44 Fair with Haze CLR 14 11 82% 75.97 0.0
07 12:15 NW 17 8.05 Fair with Haze CLR 15 11 77% 75.97 0.0
07 11:55 NW 19 6.44 Fair with Haze CLR 14 11 82% 75.97 0.0
07 11:35 NW 20 6.44 Fair with Haze CLR 14 10 77% 75.97 0.0
07 11:15 NW 17 6.44 Fair with Haze CLR 14 11 82% 75.95 0.0
07 10:55 NW 13 6.44 Fair with Haze CLR 14 11 82% 75.95 0.0
07 10:35 NW 15 6.44 Fair with Haze CLR 13 11 88% 75.92 0.0
07 10:15 Vrbl 6 6.44 Fair with Haze CLR 13 10 82% 75.92 0.0
07 09:55 NW 6 6.44 Fair with Haze CLR 13 10 82% 75.95 0.0
07 09:35 W 9 4.83 Fair with Haze CLR 13 11 88% 75.95 0.0
07 09:15 NW 7 6.44 Fog/Mist CLR 13 11 88% 75.95 0.0
07 08:55 Calm 6.44 Fog/Mist SCT014 12 10 88% 75.95 0.0
07 08:35 NW 11 4.83 Fog/Mist OVC014 12 10 88% 75.95 0.0
07 08:15 NW 9 4.83 Fog/Mist SCT014 11 10 94% 75.95 0.0
07 07:55 NW 7 6.44 Fog/Mist FEW013 11 10 94% 75.92 0.0
07 07:35 N 9 4.83 Fog/Mist FEW014 11 10 94% 75.92 0.0
07 07:15 N 13 4.83 Fog/Mist FEW015 11 10 94% 75.92 0.0
07 06:55 N 9 4.83 Fog/Mist CLR 10 10 100% 9 75.9 0.0
07 06:35 NW 15 4.83 Fog/Mist CLR 10 10 100% 8 75.9 0.0
07 06:15 Calm 4.83 Fog/Mist CLR 8 8 100% 75.9 0.0
07 05:55 Calm 4.83 Fog/Mist CLR 8 8 100% 75.9 0.0
07 05:35 Calm 8.05 Fog/Mist CLR 8 8 100% 75.9 0.0
07 05:15 N 9 8.05 Fog/Mist CLR 10 9 94% 9 75.87 0.0
07 04:55 Vrbl 11 6.44 Fog/Mist FEW018 10 9 94% 9 75.87 0.0
07 04:35 N 11 8.05 A Few Clouds FEW016 0 0 0% 75.87 0.0
07 04:15 NW 13 8.05 Fog/Mist CLR 10 9 94% 8 75.87 0.0
07 03:55 N 9 G 20 8.05 A Few Clouds FEW019 0 0 0% 75.87 0.0
07 03:35 Vrbl 9 8.05 Fog/Mist FEW020 10 9 94% 9 75.87 0.0
07 02:55 N 13 8.05 Fog/Mist CLR 10 9 94% 8 75.84 0.0
07 02:35 NW 6 8.05 Fog/Mist SCT016 SCT022 10 10 100% 75.87 0.0
07 02:15 Vrbl 9 8.05 Fog/Mist BKN016 BKN024 10 10 100% 9 75.84 0.0
07 01:55 Vrbl 7 8.05 Fog/Mist SCT016 11 10 94% 75.87 0.0
07 01:35 N 13 8.05 Fog/Mist SCT018 11 10 94% 75.9 0.0
07 01:15 Vrbl 9 6.44 Fog/Mist BKN018 BKN025 10 10 100% 9 75.9 0.0
07 00:55 NW 7 8.05 Fog/Mist SCT016 11 10 94% 75.9 0.0
07 00:35 Calm 6.44 Fog/Mist SCT016 11 10 94% 75.9 0.0
07 00:15 NW 11 6.44 Fog/Mist BKN018 11 10 94% 75.92 0.0
06 23:55 NW 15 6.44 Fog/Mist BKN017 11 10 94% 75.95 0.0
06 23:35 NW 13 G 24 8.05 Fog/Mist SCT016 11 10 94% 75.92 0.0
06 23:15 NW 15 6.44 Fog/Mist BKN017 11 10 94% 75.95 0.0
06 22:55 NW 17 8.05 Fog/Mist BKN016 BKN021 11 10 94% 75.95 0.0
06 22:35 NW 19 G 37 6.44 Fog/Mist BKN017 11 10 94% 75.95 0.0
06 22:15 N 19 G 30 6.44 Fog/Mist FEW016 11 10 94% 75.92 0.0
06 21:55 NW 28 8.05 Fog/Mist FEW016 11 10 94% 75.92 0.0
06 21:35 NW 28 G 39 8.05 Fog/Mist CLR 0 0 0% 75.9 0.0
06 21:15 NW 30 G 43 8.05 Fog/Mist CLR 11 10 94% 75.92 0.0
06 20:55 NW 30 G 41 6.44 Fog/Mist CLR 11 10 94% 75.92 0.0
06 20:35 NW 31 G 43 6.44 Fog/Mist CLR 12 10 88% 75.92 0.0
06 20:15 N 26 G 37 6.44 Fair with Haze CLR 12 10 88% 75.95 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)