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.
20 12:55 Calm 4.83 Fog/Mist SCT006 SCT013 15 15 100% 76.17 0.0
20 12:35 W 9 2.41 Fog/Mist SCT005 BKN013 14 14 100% 76.17 0.0
20 12:15 Vrbl 6 4.83 Fog/Mist SCT008 BKN013 14 14 100% 76.23 0.0
20 11:55 Calm 3.22 Fog/Mist BKN008 BKN012 14 14 100% 76.23 0.0
20 11:35 NW 11 8.05 Partly Cloudy SCT012 0 0 0% 76.2 0.0
20 11:15 W 7 2.01 Fog/Mist BKN005 14 14 100% 76.2 0.0
20 10:55 W 9 2.82 Fog/Mist OVC006 14 14 100% 76.17 0.0
20 10:35 NW 7 4.83 Fog/Mist BKN007 14 14 100% 76.17 0.0
20 10:15 NW 6 4.83 Fog/Mist BKN008 14 14 100% 76.17 0.0
20 09:55 NW 7 4.83 Fog/Mist OVC008 14 14 100% 76.17 0.0
20 09:35 NW 7 3.22 Fog/Mist OVC007 14 14 100% 76.2 0.0
20 09:15 NW 7 3.22 Fog/Mist OVC006 14 14 100% 76.2 0.0
20 08:55 NW 7 2.82 Fog/Mist OVC006 14 14 100% 76.17 0.0
20 08:35 N 9 4.83 Overcast OVC006 0 0 0% 76.2 0.0
20 08:15 NW 6 4.02 Fog/Mist OVC006 14 14 100% 76.2 0.0
20 07:15 N 11 6.44 Fog/Mist OVC007 13 13 100% 76.15 0.0
20 06:55 NW 7 4.83 Fog/Mist OVC006 13 13 100% 76.15 0.0
20 05:55 NW 6 4.83 Fog/Mist OVC007 13 13 100% 76.12 0.0
20 05:35 NW 11 4.83 Fog/Mist OVC007 14 14 100% 76.12 0.0
20 04:55 NW 15 4.83 Fog/Mist OVC007 14 14 100% 76.1 0.0
20 04:35 NW 9 4.83 Fog/Mist OVC007 14 14 100% 76.1 0.0
20 04:15 NW 9 6.44 Fog/Mist OVC007 14 14 100% 76.1 0.0
20 03:55 NW 9 4.83 Fog/Mist OVC007 14 14 100% 76.1 0.0
20 03:35 NW 15 6.44 Fog/Mist OVC007 14 14 100% 76.12 0.0
20 03:15 NW 9 4.02 Fog/Mist OVC006 13 13 100% 76.15 0.0
20 02:35 NW 11 4.83 Fog/Mist OVC006 14 14 100% 76.15 0.0
20 02:15 NW 11 8.05 Fog/Mist OVC006 13 13 100% 76.17 0.0
20 01:35 Vrbl 11 4.83 Fog/Mist OVC005 13 13 100% 76.12 0.0
20 01:15 NW 13 4.83 Fog/Mist OVC005 13 13 100% 76.12 0.0
20 00:55 NW 13 4.83 Fog/Mist OVC005 14 14 100% 76.12 0.0
20 00:35 NW 9 6.44 Fog/Mist OVC005 14 14 100% 76.12 0.0
19 22:15 NW 15 6.44 Fog/Mist OVC006 14 14 100% 76.17 0.0
19 21:15 N 13 8.05 Fog/Mist OVC007 14 14 100% 76.2 0.0
19 20:15 NW 17 8.05 Fog/Mist OVC008 14 14 100% 76.15 0.0
19 19:15 NW 19 6.44 Fog/Mist OVC007 14 14 100% 76.17 0.0
19 18:55 NW 19 6.44 Overcast OVC007 0 0 0% 76.17 0.0
19 18:35 NW 20 6.44 Fog/Mist OVC008 14 14 100% 76.17 0.0
19 18:15 N 22 G 31 6.44 Fog/Mist OVC008 14 14 100% 76.15 0.0
19 17:55 N 15 G 26 6.44 Fog/Mist OVC009 15 14 94% 76.17 0.0
19 17:35 NW 19 8.05 Fog/Mist OVC009 15 14 94% 76.17 0.0
19 17:15 NW 19 8.05 Fog/Mist BKN009 15 14 94% 76.2 0.0
19 16:55 N 19 8.05 Fog/Mist BKN009 15 14 94% 76.2 0.0
19 16:35 NW 19 G 28 8.05 Fog/Mist BKN008 15 14 94% 76.2 0.0
19 16:15 NW 22 8.05 Fog/Mist SCT009 15 14 94% 76.2 0.0
19 15:55 NW 22 8.05 Partly Cloudy SCT009 0 0 0% 76.2 0.0
19 15:35 NW 17 G 26 8.05 Fog/Mist SCT008 15 14 94% 76.2 0.0
19 15:15 NW 20 8.05 Fog/Mist FEW008 FEW012 16 15 94% 76.23 0.0
19 14:55 NW 22 9.66 Fog/Mist FEW009 17 15 88% 76.23 0.0
19 14:35 NW 19 9.66 Fog/Mist FEW011 16 14 88% 76.23 0.0
19 14:15 NW 17 9.66 Fog/Mist FEW012 16 15 94% 76.23 0.0
19 13:55 NW 17 11.27 A Few Clouds FEW008 16 14 88% 76.25 0.0
19 13:35 N 17 8.05 Fog/Mist SCT008 15 15 100% 76.28 0.0
19 13:15 N 17 6.44 Fog/Mist BKN008 15 15 100% 76.3 0.0
19 12:55 NW 13 6.44 Fog/Mist BKN008 15 15 100% 76.33 0.0
19 12:35 NW 13 8.05 Fog/Mist BKN007 15 15 100% 76.35 0.0
19 12:15 NW 17 6.44 Fog/Mist OVC007 15 15 100% 76.35 0.0
19 11:55 NW 9 4.83 Fog/Mist BKN007 15 15 100% 76.35 0.0
19 11:35 N 7 8.05 Fog/Mist BKN006 15 15 100% 76.35 0.0
19 11:15 NW 11 6.44 Fog/Mist OVC006 15 15 100% 76.35 0.0
19 10:55 Vrbl 7 6.44 Fog/Mist OVC006 15 15 100% 76.35 0.0
19 10:35 NW 7 6.44 Fog/Mist OVC006 14 14 100% 76.35 0.0
19 10:15 NW 9 4.83 Fog/Mist OVC006 14 14 100% 76.35 0.0
19 09:55 W 7 2.82 Fog/Mist OVC005 14 14 100% 76.35 0.0
19 09:35 Calm 3.22 Overcast OVC006 0 0 0% 76.33 0.0
19 09:15 Calm 4.83 Overcast OVC006 0 0 0% 76.33 0.0
19 08:55 Calm 4.83 Fog/Mist OVC006 14 14 100% 76.33 0.0
19 08:35 Calm 4.02 Fog/Mist OVC006 14 14 100% 76.33 0.0
19 08:15 Calm 4.02 Fog/Mist OVC006 14 14 100% 76.33 0.0
19 07:55 Calm 4.83 Fog/Mist OVC005 14 14 100% 76.3 0.0
19 07:35 Calm 3.22 Fog/Mist OVC005 14 14 100% 76.33 0.0
19 07:15 Calm 4.83 Fog/Mist OVC006 14 14 100% 76.3 0.0
19 06:55 Calm 6.44 Fog/Mist OVC006 14 14 100% 76.3 0.0
19 06:35 Calm 6.44 Fog/Mist OVC006 14 14 100% 76.3 0.0
19 06:15 N 7 6.44 Fog/Mist OVC006 14 14 100% 76.28 0.0
19 05:55 Vrbl 6 4.83 Fog/Mist OVC006 14 14 100% 76.28 0.0
19 05:35 W 6 6.44 Fog/Mist OVC006 14 14 100% 76.3 0.0
19 05:15 N 7 6.44 Fog/Mist OVC006 14 14 100% 76.3 0.0
19 04:55 NW 7 6.44 Fog/Mist OVC007 14 14 100% 76.3 0.0
19 04:35 NW 7 6.44 Overcast OVC007 0 0 0% 76.3 0.0
19 04:15 NW 6 6.44 Fog/Mist OVC007 14 14 100% 76.33 0.0
19 03:55 Calm 8.05 Fog/Mist OVC007 14 14 100% 76.3 0.0
19 03:35 NW 7 8.05 Fog/Mist OVC007 14 14 100% 76.33 0.0
19 03:15 NW 9 8.05 Overcast OVC007 0 0 0% 76.33 0.0
19 02:55 NW 13 9.66 Fog/Mist OVC008 14 14 100% 76.33 0.0
19 02:35 N 7 8.05 Fog/Mist OVC008 14 14 100% 76.35 0.0
19 02:15 NW 11 8.05 Fog/Mist OVC008 14 14 100% 76.35 0.0
19 01:35 NW 11 9.66 Fog/Mist OVC009 15 15 100% 76.35 0.0
19 01:15 NW 13 9.66 Fog/Mist OVC009 15 15 100% 76.38 0.0
19 00:55 NW 11 9.66 Fog/Mist OVC009 15 15 100% 76.38 0.0
19 00:35 NW 9 9.66 Fog/Mist OVC010 15 15 100% 76.4 0.0
19 00:15 NW 11 9.66 Fog/Mist OVC010 15 15 100% 76.4 0.0
18 23:55 N 7 9.66 Fog/Mist OVC010 15 15 100% 76.4 0.0
18 23:35 NW 7 11.27 Overcast OVC010 15 15 100% 76.4 0.0
18 23:15 NW 11 9.66 Fog/Mist OVC009 0 0 0% 76.43 0.0
18 22:55 NW 11 6.44 Fog/Mist OVC008 15 15 100% 76.43 0.0
18 22:35 NW 9 8.05 Fog/Mist OVC007 15 15 100% 76.43 0.0
18 21:55 NW 17 8.05 Fog/Mist OVC006 15 15 100% 76.43 0.0
18 21:35 NW 17 9.66 Fog/Mist OVC006 15 15 100% 76.43 0.0
18 21:15 NW 19 9.66 Fog/Mist OVC006 15 15 100% 76.43 0.0
18 20:55 NW 13 11.27 Overcast OVC006 15 15 100% 76.43 0.0
18 20:35 N 17 11.27 NULL NULL 15 15 100% 76.4 0.0
18 19:55 NW 15 11.27 Overcast OVC007 15 15 100% 76.4 0.0
18 19:35 NW 15 11.27 NULL NULL 15 15 100% 76.4 0.0
18 19:15 N 11 11.27 NULL NULL 15 15 100% 76.4 0.0
18 18:55 N 17 9.66 Fog/Mist OVC008 15 15 100% 76.4 0.0
18 18:35 N 17 9.66 Fog/Mist OVC008 15 15 100% 76.4 0.0
18 18:15 NW 15 G 26 9.66 Fog/Mist OVC008 15 15 100% 76.4 0.0
18 17:55 N 17 11.27 Overcast OVC008 16 15 94% 76.43 0.0
18 17:35 N 19 11.27 Overcast OVC008 0 0 0% 76.43 0.0
18 17:15 N 17 G 28 9.66 Fog/Mist OVC009 16 15 94% 76.45 0.0
18 16:55 N 22 11.27 Overcast OVC010 0 0 0% 76.43 0.0
18 16:35 N 20 11.27 Mostly Cloudy BKN012 17 15 88% 76.43 0.0
18 16:15 NW 20 G 31 11.27 Overcast OVC012 18 15 83% 76.45 0.0
18 15:55 N 20 G 31 12.87 Overcast OVC013 18 15 83% 76.45 0.0
18 15:35 N 20 12.87 Overcast OVC013 17 15 88% 76.48 0.0
18 15:15 N 19 G 31 12.87 Overcast OVC013 18 15 83% 76.48 0.0
18 14:55 N 17 G 28 14.48 Mostly Cloudy BKN013 18 15 83% 76.5 0.0
18 14:35 NW 26 12.87 Mostly Cloudy BKN012 18 15 83% 76.5 0.0
18 14:15 N 20 G 30 9.66 Mostly Cloudy with Haze BKN012 18 15 83% 76.5 0.0
18 13:55 N 24 12.87 Mostly Cloudy BKN012 18 15 83% 76.53 0.0
18 13:35 NW 22 G 31 11.27 Partly Cloudy SCT009 17 16 94% 76.56 0.0
18 13:15 NW 19 11.27 A Few Clouds FEW009 17 16 94% 76.53 0.0
18 12:55 N 20 11.27 Partly Cloudy SCT010 17 16 94% 76.58 0.0
18 12:35 N 19 G 30 12.87 Mostly Cloudy BKN010 17 16 94% 76.58 0.0
18 12:15 NW 20 12.87 Mostly Cloudy BKN007 BKN010 17 16 94% 76.61 0.0
18 11:55 N 17 11.27 Overcast OVC006 16 16 100% 76.61 0.0
18 11:35 N 15 9.66 Fog/Mist OVC005 16 16 100% 76.63 0.0
18 11:15 NW 13 8.05 Fog/Mist OVC005 15 15 100% 76.63 0.0
18 10:55 N 11 G 20 9.66 Fog/Mist OVC005 15 15 100% 76.63 0.0
18 10:35 N 17 8.05 Overcast OVC005 0 0 0% 76.63 0.0
18 10:15 N 15 G 24 11.27 Overcast OVC005 15 15 100% 76.63 0.0
18 09:55 N 15 9.66 Fog/Mist OVC004 15 15 100% 76.63 0.0
18 09:35 N 13 9.66 Fog/Mist OVC004 15 15 100% 76.61 0.0
18 09:15 NW 9 12.87 Overcast OVC005 15 15 100% 76.61 0.0
18 08:55 N 13 11.27 Overcast OVC005 15 15 100% 76.61 0.0
18 08:35 N 13 11.27 Overcast OVC005 15 15 100% 76.61 0.0
18 08:15 N 9 11.27 Overcast OVC004 15 15 100% 76.61 0.0
18 07:55 NW 13 11.27 Overcast OVC004 14 14 100% 76.61 0.0
18 07:35 N 7 6.44 Overcast OVC003 0 0 0% 76.61 0.0
18 07:15 NW 11 11.27 Overcast OVC004 14 14 100% 76.58 0.0
18 06:55 N 9 14.48 Overcast OVC004 14 14 100% 76.58 0.0
18 06:35 N 6 11.27 Overcast OVC004 14 14 100% 76.58 0.0
18 06:15 N 9 14.48 Overcast OVC005 14 14 100% 76.58 0.0
18 05:55 N 9 9.66 Fog/Mist OVC004 15 15 100% 76.58 0.0
18 05:35 N 11 4.83 Fog/Mist OVC004 15 15 100% 76.58 0.0
18 05:15 N 13 9.66 Fog/Mist OVC005 15 15 100% 76.56 0.0
18 04:55 NW 15 8.05 Fog/Mist OVC004 15 15 100% 76.56 0.0
18 04:35 NW 9 4.02 Fog/Mist OVC004 15 15 100% 76.56 0.0
18 04:15 Vrbl 7 4.83 Fog/Mist OVC005 15 15 100% 76.56 0.0
18 03:55 N 13 11.27 Overcast OVC005 15 15 100% 76.56 0.0
18 03:35 NW 13 11.27 Overcast BKN006 OVC010 15 15 100% 76.53 0.0
18 03:15 N 13 12.87 Overcast OVC009 15 15 100% 76.53 0.0
18 02:55 NW 11 12.87 Overcast BKN009 OVC012 15 15 100% 76.56 0.0
18 02:35 NW 9 11.27 Overcast OVC012 16 16 100% 76.56 0.0
18 02:15 N 9 11.27 Overcast OVC012 16 16 100% 76.56 0.0
18 01:55 N 7 11.27 Overcast OVC011 16 16 100% 76.56 0.0
18 01:35 Calm 11.27 Overcast OVC011 16 16 100% 76.56 0.0
18 01:15 N 7 11.27 Overcast OVC010 16 16 100% 76.56 0.0
18 00:55 N 7 12.87 Overcast OVC011 0 0 0% 76.58 0.0
18 00:35 Calm 12.87 Overcast OVC011 15 15 100% 76.56 0.0
18 00:15 Calm 11.27 Overcast OVC009 16 16 100% 76.56 0.0
17 23:55 Calm 11.27 Overcast OVC009 16 16 100% 76.56 0.0
17 23:35 NW 9 9.66 Fog/Mist BKN010 OVC013 15 15 100% 76.56 0.0
17 23:15 N 7 9.66 Overcast FEW008 OVC014 0 0 0% 76.56 0.0
17 22:55 NW 9 11.27 Overcast FEW009 OVC015 16 16 100% 76.56 0.0
17 22:35 NW 7 11.27 Overcast OVC014 16 16 100% 76.56 0.0
17 22:15 NW 9 11.27 Overcast OVC012 16 16 100% 76.56 0.0
17 21:55 N 9 9.66 Fog/Mist OVC010 16 16 100% 76.56 0.0
17 21:15 Calm 8.05 Fog/Mist BKN007 BKN034 15 15 100% 76.53 0.0
17 20:55 Calm 8.05 Fog/Mist FEW008 FEW034 15 15 100% 76.53 0.0
17 20:35 Calm 8.05 Fog/Mist FEW008 15 15 100% 76.5 0.0
17 20:15 N 7 9.66 Fog/Mist FEW008 16 16 100% 76.5 0.0
17 19:55 N 7 9.66 Fog/Mist BKN008 16 16 100% 76.5 0.0
17 19:35 NW 7 8.05 Fog/Mist BKN009 16 16 100% 76.5 0.0
17 19:15 NW 7 6.44 Fog/Mist FEW009 16 16 100% 76.5 0.0
17 18:55 W 6 6.44 Fog/Mist FEW009 17 17 100% 76.5 0.0
17 18:35 NW 7 6.44 Fog/Mist CLR 17 17 100% 76.48 0.0
17 18:15 Calm 6.44 Fog/Mist CLR 18 17 94% 76.48 0.0
17 17:55 Calm 6.44 Fog/Mist CLR 18 17 94% 76.48 0.0
17 17:35 W 7 8.05 Fog/Mist FEW013 18 17 94% 76.5 0.0
17 17:15 SW 9 8.05 Fog/Mist CLR 18 17 94% 76.5 0.0
17 16:55 W 9 8.05 Fog/Mist CLR 19 17 88% 76.5 0.0
17 16:35 SW 11 9.66 Fog/Mist CLR 19 17 88% 76.5 0.0
17 16:15 W 11 8.05 Haze NULL 19 17 88% 76.5 0.0
17 15:55 SW 11 8.05 Partly Cloudy with Haze SCT045 19 16 83% 76.5 0.0
17 15:35 S 13 8.05 Overcast with Haze OVC045 19 16 83% 76.5 0.0
17 15:15 SW 11 9.66 Overcast OVC045 0 0 0% 76.5 0.0
17 14:55 SW 11 11.27 Overcast OVC045 19 16 83% 76.5 0.0
17 14:35 S 15 9.66 Overcast with Haze FEW038 OVC045 19 16 83% 76.53 0.0
17 14:15 S 13 9.66 Overcast with Haze OVC044 19 16 83% 76.56 0.0
17 13:55 S 15 8.05 Overcast with Haze FEW036 OVC045 18 16 88% 76.56 0.0
17 13:35 S 15 9.66 Overcast OVC044 0 0 0% 76.56 0.0
17 13:15 S 19 9.66 Fog/Mist FEW031 OVC044 18 16 88% 76.58 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)