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.
04 16:15 N 33 9.66 Fair with Haze and Breezy CLR 14 10 77% 76.61 0.0
04 15:55 N 26 G 43 11.27 A Few Clouds FEW023 14 11 82% 76.63 0.0
04 15:35 N 33 G 46 11.27 Fair and Breezy CLR 15 10 72% 76.63 0.0
04 15:15 NW 37 G 46 11.27 Fair and Breezy CLR 15 10 72% 76.63 0.0
04 14:55 NW 33 G 48 11.27 Fair and Breezy CLR 15 10 72% 76.63 0.0
04 14:35 NW 33 G 46 12.87 Fair and Breezy CLR 15 10 72% 76.66 0.0
04 14:15 NW 33 G 44 12.87 Fair and Breezy CLR 15 11 77% 76.66 0.0
04 13:55 NW 30 G 43 12.87 Partly Cloudy SCT018 15 12 82% 76.66 0.0
04 13:35 NW 30 G 43 12.87 NULL NULL 15 13 88% 76.66 0.0
04 13:15 NW 26 0.00 NULL NULL 0 0 0% 76.66 0.0
03 11:35 NW 17 16.09 NULL NULL 14 13 94% 76.58 0.0
03 11:15 NW 19 14.48 NULL NULL 14 13 94% 76.61 0.0
03 10:55 NW 15 16.09 NULL NULL 14 13 94% 76.58 0.0
03 10:35 NW 13 14.48 NULL NULL 13 13 100% 76.61 0.0
03 10:15 N 11 12.87 NULL NULL 13 13 100% 76.61 0.0
03 09:55 NW 13 12.87 NULL NULL 13 13 100% 76.61 0.0
03 09:35 NW 11 16.09 Overcast OVC011 13 13 100% 76.63 0.0
03 09:15 N 7 16.09 Overcast OVC011 13 13 100% 76.61 0.0
03 08:55 N 7 16.09 Overcast OVC010 13 13 100% 76.61 0.0
03 08:35 N 11 16.09 Overcast OVC009 13 13 100% 76.61 0.0
03 07:55 N 7 16.09 Overcast OVC009 12 12 100% 76.61 0.0
03 06:55 N 13 16.09 Overcast OVC010 13 13 100% 76.56 0.0
03 06:35 NW 17 16.09 Overcast OVC010 13 13 100% 76.56 0.0
03 06:15 NW 15 16.09 Overcast OVC014 13 13 100% 76.53 0.0
03 05:55 NW 17 16.09 Overcast OVC015 13 13 100% 76.53 0.0
03 05:35 N 13 16.09 Overcast OVC015 13 13 100% 76.53 0.0
03 05:15 NW 19 16.09 Overcast OVC015 13 13 100% 76.53 0.0
03 04:55 NW 20 14.48 Overcast OVC014 13 13 100% 76.5 0.0
03 04:35 NW 20 14.48 Overcast FEW008 OVC014 13 13 100% 76.5 0.0
03 03:55 NW 13 G 22 12.87 Overcast OVC011 13 13 100% 76.48 0.0
03 03:35 NW 13 14.48 Overcast BKN009 OVC015 13 13 100% 76.48 0.0
03 03:15 NW 17 12.87 Overcast FEW008 OVC014 13 13 100% 76.45 0.0
03 02:55 N 17 16.09 Overcast OVC013 13 13 100% 76.48 0.0
03 02:35 NW 19 16.09 Overcast SCT009 OVC013 13 13 100% 76.48 0.0
03 02:15 Calm 16.09 Overcast BKN008 OVC013 12 12 100% 76.5 0.0
03 01:55 Calm 16.09 Overcast OVC012 12 12 100% 76.5 0.0
03 01:35 Calm 16.09 Overcast BKN010 OVC013 11 11 100% 76.53 0.0
03 01:15 Calm 16.09 Overcast OVC009 11 11 100% 76.53 0.0
03 00:55 E 9 16.09 Overcast OVC009 10 10 100% 9 76.5 0.0
03 00:35 NE 6 16.09 Mostly Cloudy BKN009 10 10 100% 76.5 0.0
03 00:15 Calm 16.09 Fair CLR 10 10 100% 76.48 0.0
02 23:55 Calm 16.09 Fair CLR 10 10 100% 76.45 0.0
02 23:35 Calm 16.09 Fair CLR 10 10 100% 76.43 0.0
02 23:15 Calm 16.09 Fair CLR 11 11 100% 76.45 0.0
02 22:55 Calm 16.09 Partly Cloudy SCT013 12 12 100% 76.43 0.0
02 22:35 N 9 16.09 Mostly Cloudy BKN013 13 13 100% 76.48 0.0
02 22:15 N 11 16.09 Overcast OVC014 14 14 100% 76.48 0.0
02 21:35 N 15 16.09 Overcast OVC017 14 14 100% 76.5 0.0
02 21:15 N 11 16.09 Overcast OVC017 14 13 94% 76.5 0.0
02 20:55 NW 13 16.09 Overcast OVC016 14 13 94% 76.5 0.0
02 20:35 N 11 16.09 Overcast OVC014 14 14 100% 76.5 0.0
02 20:15 N 11 16.09 Overcast OVC015 14 14 100% 76.5 0.0
02 19:55 N 11 16.09 Overcast OVC014 14 14 100% 76.48 0.0
02 19:35 N 11 16.09 Overcast OVC012 13 13 100% 76.48 0.0
02 19:15 N 9 16.09 Overcast OVC012 13 13 100% 76.45 0.0
02 18:55 N 7 16.09 Overcast OVC012 13 13 100% 76.45 0.0
02 18:35 NW 9 16.09 Overcast OVC012 13 13 100% 76.43 0.0
02 18:15 NW 11 16.09 Mostly Cloudy BKN012 13 13 100% 76.4 0.0
02 17:55 NW 6 16.09 Partly Cloudy SCT012 14 14 100% 0 0.0
02 17:35 NW 7 16.09 Fair CLR 14 14 100% 76.4 0.0
02 17:15 NW 9 16.09 Fair CLR 14 14 100% 76.4 0.0
02 16:55 NW 9 16.09 Fair CLR 15 14 94% 76.38 0.0
02 16:35 NW 11 16.09 Fair CLR 15 14 94% 76.38 0.0
02 16:15 NW 9 16.09 Fair CLR 15 14 94% 76.38 0.0
02 15:55 W 11 16.09 Fair CLR 15 14 94% 76.38 0.0
02 15:35 NW 7 16.09 Fair CLR 15 14 94% 76.38 0.0
02 15:15 W 9 16.09 Fair CLR 15 14 94% 76.4 0.0
02 14:55 W 11 16.09 A Few Clouds FEW012 16 14 88% 76.4 0.0
02 14:35 W 9 16.09 A Few Clouds FEW011 15 14 94% 76.43 0.0
02 14:15 Vrbl 9 16.09 Fair CLR 15 14 94% 76.43 0.0
02 13:55 SW 11 16.09 A Few Clouds FEW011 FEW017 15 14 94% 76.43 0.0
02 13:35 Vrbl 9 16.09 A Few Clouds FEW017 15 14 94% 76.45 0.0
02 13:15 W 9 16.09 Partly Cloudy SCT014 16 14 88% 76.48 0.0
02 12:55 W 11 16.09 A Few Clouds FEW013 FEW044 15 14 94% 76.48 0.0
02 12:35 SW 7 16.09 Mostly Cloudy FEW026 BKN043 15 15 100% 76.48 0.0
02 12:15 SW 9 16.09 Overcast FEW026 OVC042 16 15 94% 76.5 0.0
02 11:55 Vrbl 6 16.09 Overcast SCT033 OVC040 15 15 100% 76.5 0.0
02 11:35 Vrbl 6 9.66 Fog/Mist OVC031 15 14 94% 76.5 0.0
02 11:15 SW 13 16.09 Overcast FEW016 BKN034 OVC042 15 15 100% 76.5 0.0
02 10:55 S 11 16.09 Mostly Cloudy FEW016 SCT035 BKN042 15 15 100% 76.48 0.0
02 10:35 S 11 16.09 Partly Cloudy SCT035 15 15 100% 76.48 0.0
02 10:15 Vrbl 6 1.61 Fog/Mist SCT009 SCT014 BKN026 14 14 100% 76.48 0.0
02 09:55 S 9 16.09 Overcast FEW019 OVC037 14 14 100% 76.48 0.0
02 09:35 S 7 16.09 Overcast BKN019 OVC037 15 14 94% 76.45 0.0
02 09:15 SW 7 16.09 Overcast BKN018 OVC022 14 14 100% 76.45 0.0
02 08:55 SW 7 16.09 Overcast OVC020 14 14 100% 76.43 0.0
02 08:35 SW 9 14.48 Overcast BKN016 OVC022 14 14 100% 76.43 0.0
02 08:15 SW 6 2.01 Fog/Mist SCT008 BKN013 OVC036 14 14 100% 76.43 0.0
02 07:55 S 6 14.48 Overcast SCT020 BKN029 OVC034 14 14 100% 76.4 0.0
02 07:35 Calm 14.48 Mostly Cloudy SCT020 SCT029 BKN035 13 13 100% 76.4 0.0
02 07:15 Calm 14.48 Mostly Cloudy FEW018 SCT027 BKN036 13 13 100% 76.38 0.0
02 06:55 W 7 4.83 Fog/Mist FEW009 SCT014 OVC021 13 13 100% 76.35 0.0
02 06:35 Calm 14.48 Overcast BKN012 BKN017 OVC028 13 13 100% 76.35 0.0
02 06:15 Calm 14.48 Mostly Cloudy FEW008 SCT013 BKN025 13 13 100% 76.33 0.0
02 05:55 Calm 3.22 Fog/Mist SCT006 BKN009 OVC026 13 13 100% 76.33 0.0
02 05:35 Calm 12.87 Overcast BKN011 BKN020 OVC037 13 13 100% 76.33 0.0
02 05:15 Calm 16.09 Overcast FEW018 BKN029 OVC034 12 12 100% 76.3 0.0
02 04:55 Calm 16.09 Overcast FEW017 BKN025 OVC031 13 13 100% 76.28 0.0 0.03
02 04:35 W 7 6.44 Fog/Mist SCT008 BKN017 OVC022 13 13 100% 76.28 0.0
02 04:15 S 9 3.22 Fog/Mist OVC009 13 13 100% 76.28 0.0
02 03:55 SE 6 8.05 Fog/Mist BKN010 BKN013 OVC035 13 13 100% 76.28 0.0
02 03:35 S 9 11.27 Overcast BKN012 BKN019 OVC036 13 13 100% 76.28 0.0
02 03:15 S 13 11.27 Overcast OVC012 13 13 100% 76.28 0.0
02 02:55 S 13 12.87 Overcast OVC014 13 13 100% 76.3 0.0
02 02:35 Calm 6.44 Fog/Mist BKN013 OVC019 13 13 100% 76.3 0.0
02 02:15 Calm 11.27 Overcast BKN012 OVC020 13 13 100% 76.3 0.0
02 01:55 SE 6 11.27 Overcast BKN011 OVC038 13 13 100% 76.33 0.0
02 01:35 SE 7 8.05 Fog/Mist SCT011 OVC035 13 13 100% 76.3 0.0
02 01:15 S 9 14.48 Overcast OVC036 13 13 100% 76.33 0.0
02 00:55 S 7 14.48 Overcast FEW011 OVC038 13 13 100% 76.3 0.0
02 00:35 S 7 12.87 Overcast SCT012 SCT032 OVC039 13 13 100% 76.33 0.0
02 00:15 S 9 12.87 Overcast BKN013 BKN019 OVC032 14 14 100% 76.33 0.0
01 23:55 SW 7 14.48 Overcast OVC015 13 13 100% 76.35 0.0
01 23:35 Calm 14.48 Overcast OVC016 13 13 100% 76.35 0.0
01 23:15 Calm 14.48 Overcast BKN013 OVC019 12 12 100% 76.33 0.0
01 22:55 Calm 14.48 Overcast SCT013 OVC018 12 12 100% 76.33 0.0
01 22:35 Calm 11.27 Overcast SCT015 BKN020 OVC042 13 13 100% 76.33 0.0
01 22:15 Calm 11.27 Overcast BKN016 OVC021 13 13 100% 76.35 0.0
01 21:55 Calm 16.09 Overcast OVC021 13 12 94% 76.35 0.0
01 21:35 NW 9 G 19 14.48 Overcast OVC020 14 13 94% 76.35 0.0
01 21:15 W 7 12.87 Overcast FEW012 OVC020 14 14 100% 76.35 0.0
01 20:55 W 7 12.87 Overcast OVC019 14 14 100% 76.35 0.0
01 20:35 W 7 16.09 Overcast SCT011 OVC017 13 13 100% 76.35 0.0
01 20:15 Calm 16.09 Overcast OVC010 12 12 100% 76.33 0.0
01 19:55 Calm 16.09 Overcast OVC010 11 11 100% 76.33 0.0
01 19:35 Calm 16.09 Mostly Cloudy SCT011 BKN021 BKN060 10 10 100% 76.3 0.0
01 19:15 NE 6 16.09 A Few Clouds FEW021 FEW028 11 11 100% 76.3 0.0
01 18:55 Calm 16.09 Fair CLR 12 12 100% 76.28 0.0
01 18:35 Calm 16.09 Fair CLR 12 12 100% 76.28 0.0
01 18:15 NW 6 14.48 Fair CLR 13 12 94% 76.28 0.0
01 17:55 Calm 16.09 Fair CLR 14 13 94% 76.25 0.0
01 17:35 Calm 14.48 Fair CLR 14 13 94% 76.25 0.0
01 17:15 NW 9 16.09 Fair CLR 14 13 94% 76.25 0.0
01 16:55 NW 11 16.09 Fair CLR 14 13 94% 76.28 0.0
01 16:35 NW 11 16.09 Fair CLR 15 13 88% 76.28 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)