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.
01 07:55 Calm 14.48 Fair CLR 11 11 100% 75.97 0.0
01 07:35 Calm 14.48 Fair CLR 10 10 100% 75.95 0.0
01 07:15 Calm 14.48 Fair CLR 8 8 100% 75.92 0.0
01 06:55 NE 6 12.87 Fair CLR 8 8 100% 75.9 0.0
01 06:35 Calm 14.48 Fair CLR 8 8 100% 75.87 0.0
01 06:15 N 6 14.48 Fair CLR 8 8 100% 75.84 0.0
01 05:55 NE 6 1.61 Fog/Mist CLR 8 8 100% 75.84 0.0 0.03
01 05:35 Calm 4.83 Fog/Mist FEW034 9 9 100% 75.84 0.0
01 05:15 Calm 14.48 Mostly Cloudy FEW026 BKN037 BKN070 10 10 100% 75.82 0.0
01 04:55 N 9 11.27 Mostly Cloudy FEW024 SCT028 BKN042 10 10 100% 9 75.82 0.0 0.03
01 04:35 Calm 14.48 Partly Cloudy SCT031 SCT065 10 10 100% 75.77 0.0
01 04:15 Calm 14.48 Mostly Cloudy FEW021 FEW027 BKN060 0 0 0% 75.77 0.0
01 03:55 NE 6 14.48 Mostly Cloudy BKN019 BKN023 BKN050 11 11 100% 75.77 0.0
01 03:35 NE 6 14.48 Overcast OVC020 11 11 100% 75.77 0.0
01 03:15 NE 11 14.48 Overcast OVC020 11 11 100% 75.74 0.0
01 02:55 NE 6 14.48 Overcast OVC022 11 11 100% 75.77 0.0
01 02:15 Vrbl 6 14.48 Mostly Cloudy FEW031 SCT060 BKN075 10 10 100% 75.77 0.0
01 01:55 E 13 9.66 Light Rain Fog/Mist FEW034 SCT047 OVC060 11 11 100% 75.74 0.0 0.13
01 01:35 NE 6 12.87 Overcast FEW046 OVC060 11 11 100% 75.77 0.0
01 01:15 NE 9 8.05 Light Rain Fog/Mist FEW026 SCT038 OVC055 11 11 100% 75.79 0.0
01 01:55 N 19 G 33 2.82 Rain Fog/Mist SCT025 BKN034 OVC050 12 11 94% 75.82 0.0 0.15
01 01:35 NW 31 G 46 4.02 Light Rain FEW032 SCT040 BKN050 0 0 0% 75.82 0.0
01 01:15 NW 33 G 44 12.87 Overcast and Breezy BKN032 OVC040 14 11 82% 75.79 0.0
01 00:55 Calm 14.48 Overcast FEW028 BKN034 OVC047 11 11 100% 75.79 0.0
01 00:35 E 7 16.09 Overcast FEW022 BKN028 OVC050 11 11 100% 75.79 0.0
01 00:15 Calm 14.48 Overcast SCT023 BKN046 OVC055 10 10 100% 75.82 0.0
01 00:00 NE 6 14.48 Mostly Cloudy FEW030 SCT048 BKN055 9 9 100% 75.82 0.0
31 23:55 Calm 14.48 Mostly Cloudy FEW030 FEW048 BKN055 9 9 100% 75.82 0.0
31 23:50 Calm 14.48 Mostly Cloudy FEW030 SCT055 BKN110 10 9 94% 75.82 0.0
31 23:35 Calm 14.48 A Few Clouds FEW110 9 9 100% 75.82 0.0
31 23:15 Vrbl 7 14.48 Fair CLR 9 9 100% 8 75.84 0.0
31 22:55 Calm 14.48 A Few Clouds FEW090 FEW120 10 10 100% 75.84 0.0
31 22:35 Calm 14.48 Partly Cloudy SCT110 10 10 100% 75.84 0.0
31 22:15 Calm 14.48 Overcast OVC110 11 10 94% 75.84 0.0
31 21:55 Calm 14.48 Overcast OVC110 11 10 94% 75.84 0.0
31 21:35 E 7 14.48 Mostly Cloudy BKN120 11 10 94% 75.84 0.0
31 21:15 Calm 14.48 Fair CLR 10 10 100% 75.84 0.0
31 20:55 Calm 14.48 Fair CLR 10 9 94% 75.84 0.0
31 20:35 Calm 14.48 A Few Clouds FEW024 FEW029 FEW120 10 10 100% 75.84 0.0
31 20:15 Calm 14.48 Fair CLR 10 10 100% 75.84 0.0
31 19:55 Calm 14.48 Fair CLR 10 9 94% 75.84 0.0
31 19:35 NE 7 14.48 Fair CLR 11 10 94% 75.84 0.0
31 19:15 Calm 14.48 Fair CLR 11 10 94% 75.84 0.0
31 18:55 NE 6 14.48 Fair CLR 12 10 88% 75.84 0.0
31 18:35 Calm 14.48 Fair CLR 14 11 82% 75.84 0.0
31 18:15 N 9 14.48 Fair CLR 14 11 82% 75.82 0.0
31 17:55 N 11 12.87 A Few Clouds FEW120 15 11 77% 75.84 0.0
31 17:35 N 6 14.48 A Few Clouds FEW120 16 11 72% 75.84 0.0
31 17:15 N 9 14.48 A Few Clouds FEW120 0 0 0% 75.84 0.0
31 16:55 N 13 14.48 Fair CLR 15 11 77% 75.84 0.0
31 16:35 NW 15 12.87 Fair CLR 16 11 72% 75.87 0.0
31 16:15 NW 13 14.48 Fair CLR 17 10 64% 75.87 0.0
31 15:55 Vrbl 7 14.48 Fair CLR 17 11 68% 75.87 0.0
31 15:35 NW 9 12.87 Fair CLR 16 10 68% 75.87 0.0
31 15:15 Vrbl 7 14.48 Fair CLR 16 10 68% 75.9 0.0
31 14:55 NW 9 12.87 Fair CLR 17 10 64% 75.92 0.0
31 14:35 NW 7 12.87 Fair CLR 17 10 64% 75.95 0.0
31 14:15 N 9 14.48 Fair CLR 16 10 68% 75.92 0.0
31 13:55 Calm 12.87 Fair CLR 16 10 68% 75.97 0.0
31 13:35 NW 9 12.87 Fair CLR 16 10 68% 75.97 0.0
31 13:15 NW 13 11.27 A Few Clouds FEW030 17 10 64% 75.95 0.0
31 12:55 NW 13 14.48 A Few Clouds FEW030 17 10 64% 75.97 0.0
31 12:35 NW 7 12.87 Fair CLR 17 11 68% 76 0.0
31 12:15 Calm 12.87 Fair CLR 16 10 68% 76.02 0.0
31 11:55 Vrbl 6 11.27 Partly Cloudy SCT028 SCT032 16 11 72% 76.05 0.0
31 11:35 Calm 12.87 Mostly Cloudy BKN028 16 11 72% 76.05 0.0
31 11:15 Calm 11.27 A Few Clouds FEW028 16 11 72% 76.02 0.0
31 10:55 S 6 11.27 A Few Clouds FEW029 16 11 72% 76.02 0.0
31 10:35 S 7 9.66 Fair with Haze CLR 16 11 72% 76.02 0.0
31 10:15 Calm 11.27 Fair CLR 16 11 72% 76.02 0.0
31 09:55 Calm 9.66 Fair with Haze CLR 14 12 88% 76.02 0.0
31 09:35 Calm 11.27 Fair CLR 14 12 88% 76.05 0.0
31 09:15 Calm 11.27 Fair CLR 13 12 94% 76.05 0.0
31 08:55 Calm 9.66 Fog/Mist CLR 12 11 94% 76.02 0.0
31 08:35 E 6 11.27 Fair CLR 10 10 100% 76.02 0.0
31 08:15 Calm 11.27 Partly Cloudy SCT029 0 0 0% 76 0.0
31 07:55 Calm 9.66 Fog/Mist SCT029 BKN120 10 10 100% 76 0.0
31 07:35 Calm 14.48 Partly Cloudy FEW031 SCT120 9 9 100% 76 0.0
31 07:15 Calm 14.48 Partly Cloudy SCT120 8 8 100% 75.97 0.0
31 06:55 Calm 14.48 Partly Cloudy SCT120 8 8 100% 75.97 0.0
31 06:35 Calm 14.48 Partly Cloudy FEW030 SCT120 8 8 100% 76 0.0
31 06:15 Calm 12.87 Partly Cloudy FEW031 SCT120 7 7 100% 75.97 0.0
31 05:55 Calm 12.87 Mostly Cloudy SCT029 BKN034 7 7 100% 75.97 0.0
31 05:35 Calm 14.48 Mostly Cloudy BKN032 6 6 100% 75.97 0.0
31 05:15 Calm 12.87 Mostly Cloudy BKN033 7 7 100% 75.97 0.0
31 04:55 Calm 14.48 Mostly Cloudy BKN031 7 7 100% 75.97 0.0
31 04:35 Calm 12.87 Partly Cloudy SCT030 SCT035 6 6 100% 75.97 0.0
31 04:15 Calm 12.87 Partly Cloudy SCT031 7 7 100% 75.97 0.0
31 03:55 Calm 12.87 A Few Clouds FEW030 7 7 100% 75.97 0.0
31 03:35 NE 9 12.87 A Few Clouds FEW031 8 8 100% 7 75.97 0.0
31 03:15 Calm 12.87 A Few Clouds FEW029 7 7 100% 75.95 0.0
31 02:55 Calm 12.87 Mostly Cloudy BKN027 8 8 100% 75.97 0.0
31 02:35 Calm 14.48 Mostly Cloudy BKN027 8 8 100% 75.97 0.0
31 02:15 Calm 12.87 Mostly Cloudy BKN026 7 7 100% 75.95 0.0
31 01:55 Calm 12.87 Mostly Cloudy BKN026 8 8 100% 75.97 0.0
31 01:35 Calm 12.87 Mostly Cloudy BKN026 8 8 100% 75.97 0.0
31 01:15 Vrbl 7 11.27 Partly Cloudy SCT026 0 0 0% 75.97 0.0
31 00:55 E 7 12.87 Mostly Cloudy BKN026 9 9 100% 8 75.97 0.0
31 00:35 NE 6 14.48 Partly Cloudy SCT026 9 9 100% 75.97 0.0
31 00:15 Calm 12.87 A Few Clouds FEW026 9 9 100% 76 0.0
30 23:55 Calm 12.87 A Few Clouds FEW026 9 9 100% 75.97 0.0
30 23:35 Calm 12.87 A Few Clouds FEW024 10 10 100% 75.97 0.0
30 23:15 Calm 12.87 Partly Cloudy SCT024 10 10 100% 75.97 0.0
30 22:55 E 7 12.87 A Few Clouds FEW023 10 10 100% 9 75.97 0.0
30 22:35 Calm 12.87 Partly Cloudy SCT022 10 10 100% 75.97 0.0
30 22:15 Calm 12.87 Partly Cloudy SCT023 11 10 94% 75.97 0.0
30 21:55 Calm 12.87 Partly Cloudy SCT023 11 11 100% 75.97 0.0
30 21:35 Calm 12.87 Mostly Cloudy BKN022 11 11 100% 75.95 0.0
30 21:15 NW 9 12.87 Mostly Cloudy BKN021 14 12 88% 75.95 0.0
30 20:55 NW 9 12.87 Mostly Cloudy BKN020 14 12 88% 75.95 0.0
30 20:35 NW 9 12.87 Mostly Cloudy BKN020 14 12 88% 75.92 0.0
30 20:15 NW 11 12.87 Mostly Cloudy BKN021 BKN026 15 13 88% 75.92 0.0
30 19:55 NW 15 12.87 Mostly Cloudy BKN020 15 13 88% 75.92 0.0
30 19:35 NW 15 12.87 Partly Cloudy SCT021 15 13 88% 75.9 0.0
30 19:15 NW 15 12.87 Partly Cloudy SCT022 15 13 88% 75.9 0.0
30 18:55 NW 15 11.27 Partly Cloudy SCT022 15 13 88% 75.9 0.0
30 18:35 NW 13 12.87 A Few Clouds FEW022 15 12 82% 75.87 0.0
30 18:15 NW 13 11.27 Fair CLR 15 12 82% 75.87 0.0
30 17:55 NW 15 11.27 Fair CLR 16 12 77% 75.87 0.0
30 17:35 NW 11 11.27 Fair CLR 16 12 77% 75.87 0.0
30 17:15 NW 13 9.66 Fair with Haze CLR 16 12 77% 75.87 0.0
30 16:55 NW 13 11.27 A Few Clouds FEW021 17 12 73% 75.87 0.0
30 16:35 NW 15 11.27 A Few Clouds FEW021 17 12 73% 75.87 0.0
30 16:15 NW 13 9.66 Fair with Haze CLR 17 12 73% 75.87 0.0
30 15:55 NW 17 11.27 Fair CLR 17 12 73% 75.87 0.0
30 15:35 NW 15 11.27 Fair CLR 17 12 73% 75.84 0.0
30 15:15 NW 13 9.66 Fair with Haze CLR 18 12 68% 75.87 0.0
30 14:55 NW 11 11.27 Fair CLR 18 12 68% 75.87 0.0
30 14:35 NW 13 12.87 Fair CLR 18 12 68% 75.87 0.0
30 14:15 W 11 11.27 A Few Clouds FEW023 18 12 68% 75.87 0.0
30 13:55 Vrbl 9 G 19 11.27 Fair CLR 18 12 68% 75.87 0.0
30 13:35 Vrbl 11 11.27 A Few Clouds FEW025 18 12 68% 75.9 0.0
30 13:15 W 13 9.66 Mostly Cloudy with Haze BKN024 18 12 68% 75.9 0.0
30 12:55 Vrbl 9 12.87 A Few Clouds FEW022 18 13 73% 75.9 0.0
30 12:35 W 9 11.27 Fair CLR 18 12 68% 75.92 0.0
30 12:15 Vrbl 9 9.66 A Few Clouds with Haze FEW023 18 12 68% 75.95 0.0
30 11:55 SW 9 9.66 Fair with Haze CLR 18 12 68% 75.97 0.0
30 11:35 SW 9 9.66 Fair with Haze CLR 17 12 73% 75.97 0.0
30 11:15 W 11 12.87 Fair CLR 17 12 73% 75.95 0.0
30 10:55 Vrbl 9 9.66 A Few Clouds with Haze FEW025 18 12 68% 75.95 0.0
30 10:35 W 9 11.27 Mostly Cloudy BKN025 BKN031 17 12 73% 75.95 0.0
30 10:15 W 13 9.66 Overcast with Haze BKN022 OVC029 17 13 77% 75.95 0.0
30 09:55 Calm 8.05 Mostly Cloudy with Haze FEW023 BKN030 17 14 83% 75.92 0.0
30 09:35 Calm 8.05 Fog/Mist BKN031 16 14 88% 75.92 0.0
30 09:15 Calm 9.66 Fog/Mist OVC031 15 14 94% 75.92 0.0
30 08:55 Calm 11.27 Overcast BKN024 OVC030 14 14 100% 75.92 0.0
30 08:35 Calm 11.27 Overcast SCT021 OVC026 13 13 100% 75.9 0.0
30 08:15 Calm 9.66 Fog/Mist BKN019 BKN024 OVC028 12 12 100% 75.9 0.0
30 07:55 Calm 9.66 Fog/Mist BKN020 BKN028 OVC032 12 12 100% 75.9 0.0
30 07:35 Calm 12.87 Overcast BKN021 BKN028 OVC033 12 12 100% 75.87 0.0
30 07:15 Calm 14.48 Mostly Cloudy FEW019 SCT024 BKN028 11 11 100% 75.84 0.0
30 06:55 Calm 12.87 Mostly Cloudy BKN027 BKN031 BKN039 11 11 100% 75.84 0.0
30 06:35 Calm 12.87 Overcast OVC027 12 12 100% 75.84 0.0
30 06:15 Calm 14.48 Overcast FEW021 OVC028 11 11 100% 75.84 0.0
30 05:55 Calm 12.87 Mostly Cloudy BKN024 11 11 100% 75.84 0.0
30 05:35 Calm 12.87 Mostly Cloudy SCT018 BKN025 11 11 100% 75.84 0.0
30 05:15 Calm 12.87 Mostly Cloudy BKN018 BKN044 BKN050 11 11 100% 75.84 0.0
30 04:35 Calm 12.87 Mostly Cloudy BKN050 11 11 100% 75.84 0.0
30 04:15 E 6 14.48 Mostly Cloudy FEW017 BKN048 11 11 100% 75.84 0.0
30 03:55 Calm 14.48 Mostly Cloudy SCT017 SCT041 BKN050 11 11 100% 75.84 0.0
30 03:35 Calm 14.48 Overcast BKN043 OVC050 11 11 100% 75.84 0.0
30 03:15 Calm 14.48 Mostly Cloudy BKN044 BKN050 10 10 100% 75.87 0.0
30 02:55 Calm 14.48 Fair CLR 0 0 0% 75.87 0.0
30 02:35 Calm 12.87 Fair CLR 9 9 100% 75.87 0.0
30 02:15 Calm 14.48 Partly Cloudy FEW015 FEW044 SCT050 10 10 100% 75.87 0.0
30 01:55 Calm 14.48 A Few Clouds FEW015 FEW043 10 10 100% 75.9 0.0
30 01:35 Calm 14.48 Partly Cloudy FEW048 SCT055 10 10 100% 75.9 0.0
30 01:15 Calm 14.48 Overcast BKN049 OVC060 11 10 94% 75.9 0.0
30 00:55 Calm 12.87 Overcast OVC049 11 11 100% 75.87 0.0
30 00:35 Calm 14.48 Overcast OVC050 12 11 94% 75.87 0.0
30 00:15 Calm 14.48 Overcast OVC050 12 11 94% 75.87 0.0
29 23:55 Calm 14.48 Overcast BKN050 OVC065 12 11 94% 75.9 0.0
29 23:35 Calm 14.48 Overcast BKN050 OVC060 11 10 94% 75.9 0.0
29 23:15 Calm 14.48 Overcast BKN050 OVC065 12 11 94% 75.87 0.0
29 22:55 NE 7 14.48 Overcast FEW036 SCT043 OVC055 12 11 94% 75.87 0.0
29 22:35 Calm 14.48 Overcast FEW035 BKN043 OVC070 12 11 94% 75.87 0.0
29 22:15 Calm 12.87 Overcast SCT043 BKN049 OVC070 12 11 94% 75.87 0.0
29 21:55 Calm 14.48 Overcast BKN050 OVC060 0 0 0% 75.87 0.0
29 21:35 Calm 12.87 Overcast OVC055 12 11 94% 75.87 0.0
29 21:15 Calm 12.87 Overcast BKN050 OVC055 12 10 88% 75.87 0.0
29 20:55 Calm 14.48 Overcast FEW049 OVC055 12 10 88% 75.87 0.0
29 20:35 Calm 14.48 Overcast BKN050 OVC055 13 10 82% 75.87 0.0
29 20:15 Calm 14.48 Overcast SCT048 OVC055 0 0 0% 75.87 0.0
29 19:55 Calm 12.87 Overcast OVC049 13 11 88% 75.87 0.0
29 19:35 Calm 12.87 Overcast BKN050 OVC060 13 12 94% 75.87 0.0
29 19:15 Calm 12.87 Overcast FEW048 OVC055 14 12 88% 75.87 0.0
29 18:55 Calm 14.48 Mostly Cloudy BKN050 14 13 94% 75.87 0.0
29 18:35 Calm 12.87 A Few Clouds FEW046 FEW055 15 13 88% 75.84 0.0
29 18:15 N 6 12.87 Fair CLR 16 13 83% 75.84 0.0
29 17:55 N 7 9.66 Fair with Haze CLR 16 13 83% 75.87 0.0
29 17:35 NW 9 11.27 Fair CLR 17 13 77% 75.84 0.0
29 17:15 NW 11 11.27 Fair CLR 17 13 77% 75.84 0.0
29 16:55 NW 7 11.27 Fair CLR 17 13 77% 75.84 0.0
29 16:35 NW 7 11.27 Fair CLR 17 13 77% 75.84 0.0
29 16:15 NW 11 11.27 Fair CLR 17 13 77% 75.84 0.0
29 15:55 W 11 9.66 Fair with Haze CLR 18 13 73% 75.84 0.0
29 15:35 W 7 9.66 Fair with Haze CLR 18 12 68% 75.84 0.0
29 15:15 W 6 9.66 Fair with Haze CLR 18 12 68% 75.84 0.0
29 14:55 Calm 11.27 Fair CLR 19 12 64% 75.87 0.0
29 14:35 S 7 12.87 Fair CLR 19 11 60% 75.87 0.0
29 14:15 S 7 12.87 Fair CLR 19 9 52% 75.9 0.0
29 13:55 Vrbl 7 11.27 Fair CLR 19 11 60% 75.92 0.0
29 13:35 SW 7 11.27 Fair CLR 19 10 56% 75.92 0.0
29 13:15 S 7 11.27 Fair CLR 19 10 56% 75.95 0.0
29 12:55 Calm 11.27 Fair CLR 18 12 68% 75.97 0.0
29 12:35 Calm 11.27 Fair CLR 18 11 64% 75.97 0.0
29 12:15 Vrbl 7 11.27 Fair CLR 18 12 68% 76 0.0
29 11:55 Calm 11.27 Fair CLR 17 11 68% 76 0.0
29 11:35 Calm 11.27 Fair CLR 17 11 68% 76 0.0
29 11:15 W 9 9.66 Fair with Haze CLR 17 9 60% 76 0.0
29 10:55 Vrbl 6 12.87 Fair CLR 19 12 64% 76.02 0.0
29 10:35 Calm 14.48 Fair CLR 18 6 46% 76 0.0
29 10:15 Calm 11.27 Fair CLR 17 8 56% 76 0.0
29 09:55 Calm 6.44 Fair with Haze CLR 16 8 59% 76.02 0.0
29 09:35 Calm 11.27 Fair CLR 0 0 0% 76.02 0.0
29 09:15 Calm 14.48 Fair CLR 13 11 88% 76 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)