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.
22 11:55 E 6 9.66 Fog/Mist OVC014 15 15 100% 76 0.0
22 11:35 Calm 4.83 Fog/Mist BKN014 15 15 100% 76 0.0
22 11:15 Calm 3.22 Fog/Mist FEW007 BKN015 15 15 100% 75.97 0.0
22 10:55 S 7 2.82 Fog/Mist BKN007 OVC014 15 15 100% 75.97 0.0
22 10:35 SE 11 8.05 Fog/Mist BKN010 OVC013 16 16 100% 75.97 0.0
22 10:15 S 6 9.66 Fog/Mist OVC013 16 16 100% 75.95 0.0
22 09:55 S 6 11.27 Overcast OVC016 16 16 100% 75.95 0.0
22 09:35 SE 6 9.66 Fog/Mist OVC016 16 16 100% 75.92 0.0
22 09:15 SE 7 9.66 Fog/Mist OVC016 15 15 100% 75.9 0.0
22 08:55 Calm 9.66 Fog/Mist BKN016 OVC032 15 15 100% 75.9 0.0
22 08:35 Calm 9.66 Fog/Mist SCT019 OVC032 15 15 100% 75.87 0.0
22 08:15 NE 6 8.05 Fog/Mist SCT019 OVC030 15 15 100% 75.87 0.0
22 07:55 N 7 6.44 Fog/Mist OVC031 14 14 100% 75.84 0.0
22 07:35 Calm 11.27 Overcast BKN032 OVC038 14 14 100% 75.82 0.0
22 07:15 N 6 9.66 Fog/Mist SCT040 OVC049 14 14 100% 75.82 0.0
22 06:55 Calm 8.05 Light Rain Fog/Mist FEW036 OVC050 14 14 100% 75.79 0.0 0.03
22 06:35 Calm 12.87 Overcast FEW048 SCT055 OVC065 15 14 94% 75.77 0.0
22 06:15 Calm 12.87 Overcast FEW048 OVC060 15 14 94% 75.77 0.0
22 05:55 E 11 12.87 Overcast SCT060 OVC075 15 14 94% 75.74 0.0
22 05:35 E 7 12.87 Overcast FEW048 SCT060 OVC075 14 14 100% 75.74 0.0
22 05:15 Calm 11.27 Overcast SCT049 BKN060 OVC100 14 14 100% 75.74 0.0
22 04:55 Calm 6.44 Unknown Precip Fog/Mist FEW029 SCT050 BKN075 14 14 100% 75.74 0.0
22 04:35 E 7 4.83 Light Rain Fog/Mist FEW034 SCT050 BKN065 14 14 100% 75.74 0.0
22 04:15 Calm 11.27 Overcast BKN050 OVC060 14 14 100% 75.74 0.0
22 03:35 NE 9 14.48 Overcast OVC060 15 15 100% 75.74 0.0
22 03:15 E 9 9.66 Overcast OVC060 0 0 0% 75.74 0.0
22 02:55 NW 6 9.66 Fog/Mist FEW028 FEW032 OVC060 15 14 94% 75.74 0.0
22 02:35 N 6 11.27 Light Rain OVC060 14 13 94% 75.72 0.0
22 02:15 Calm 12.87 Overcast OVC070 14 13 94% 75.72 0.0
22 01:55 Calm 12.87 Overcast BKN070 OVC085 14 13 94% 75.72 0.0
22 01:35 Calm 12.87 Overcast FEW003 BKN070 OVC110 13 13 100% 75.72 0.0
22 01:15 Calm 12.87 Overcast FEW003 BKN075 OVC110 13 13 100% 75.72 0.0
22 00:55 Calm 14.48 Overcast FEW075 OVC095 13 13 100% 75.72 0.0
22 00:35 NW 7 14.48 Overcast OVC100 14 13 94% 75.69 0.0
22 00:15 Calm 14.48 Mostly Cloudy FEW090 BKN110 13 12 94% 75.69 0.0
21 23:55 N 7 12.87 A Few Clouds FEW110 12 12 100% 75.69 0.0
21 23:35 Calm 12.87 Mostly Cloudy SCT095 BKN110 13 12 94% 75.69 0.0
21 23:15 NE 9 12.87 Overcast OVC090 13 12 94% 75.72 0.0
21 22:55 NE 7 12.87 Mostly Cloudy BKN090 13 12 94% 75.69 0.0
21 22:35 Calm 14.48 Mostly Cloudy BKN090 13 12 94% 75.69 0.0
21 22:15 Calm 12.87 Fair CLR 14 12 88% 75.69 0.0
21 21:55 SE 6 12.87 Fair CLR 16 12 77% 75.69 0.0
21 21:35 Calm 14.48 Fair CLR 16 12 77% 75.72 0.0
21 21:15 N 9 14.48 Fair CLR 16 13 83% 75.69 0.0
21 20:55 N 6 14.48 Fair CLR 16 13 83% 75.69 0.0
21 20:35 N 6 14.48 Partly Cloudy FEW050 SCT095 16 13 83% 75.72 0.0
21 20:15 Calm 14.48 Overcast OVC095 17 13 77% 75.72 0.0
21 19:55 Calm 14.48 Mostly Cloudy FEW065 BKN100 18 13 73% 75.74 0.0
21 19:35 NE 6 14.48 Mostly Cloudy FEW049 FEW055 BKN065 0 0 0% 75.72 0.0
21 19:15 Calm 14.48 Partly Cloudy FEW043 FEW050 SCT065 17 14 83% 75.72 0.0
21 18:55 Calm 14.48 Mostly Cloudy SCT070 BKN100 17 14 83% 75.69 0.0
21 18:35 NE 11 14.48 Overcast SCT060 BKN070 OVC100 18 14 78% 75.69 0.0
21 18:15 Calm 8.05 Overcast FEW060 SCT080 OVC100 0 0 0% 75.72 0.0
21 17:55 Calm 11.27 Overcast SCT060 OVC080 18 15 83% 75.72 0.0
21 17:35 Calm 11.27 Overcast SCT050 BKN060 OVC090 18 15 83% 75.74 0.0
21 17:15 NE 13 G 26 11.27 Overcast BKN050 OVC065 0 0 0% 75.74 0.0
21 16:55 NE 20 11.27 Overcast BKN050 OVC055 19 14 73% 75.74 0.0
21 16:35 E 11 G 20 9.66 Overcast with Haze OVC055 19 14 73% 75.77 0.0
21 16:15 Calm 8.05 Mostly Cloudy with Haze BKN060 BKN080 19 15 78% 75.77 0.0
21 15:55 NW 9 9.66 A Few Clouds with Haze FEW060 19 15 78% 75.77 0.0
21 15:35 N 9 8.05 Fair with Haze CLR 18 15 83% 75.77 0.0
21 15:15 NW 7 9.66 Fair with Haze CLR 18 15 83% 75.77 0.0
21 14:55 NW 9 8.05 Fog/Mist FEW050 17 16 94% 75.77 0.0
21 14:35 NW 13 4.83 Mostly Cloudy with Haze BKN050 BKN060 18 15 83% 75.77 0.0
21 14:15 Calm 9.66 Overcast with Haze BKN049 OVC060 18 15 83% 75.82 0.0
21 13:55 Calm 9.66 Partly Cloudy with Haze FEW050 SCT060 18 14 78% 75.84 0.0
21 13:35 N 9 8.05 A Few Clouds with Haze FEW047 FEW055 18 15 83% 75.79 0.0
21 13:15 W 6 4.83 Mostly Cloudy with Haze BKN047 BKN055 BKN070 18 15 83% 75.82 0.0
21 12:55 Calm 6.44 Overcast with Haze FEW044 BKN050 OVC060 18 15 83% 75.84 0.0
21 12:35 S 9 8.05 Overcast with Haze SCT055 BKN065 OVC075 18 15 83% 75.9 0.0
21 12:15 Calm 8.05 Mostly Cloudy with Haze SCT070 BKN075 18 15 83% 75.87 0.0
21 11:55 Calm 8.05 Fair with Haze CLR 18 15 83% 75.87 0.0
21 11:35 Calm 9.66 Fair with Haze CLR 18 15 83% 75.84 0.0
21 11:15 N 11 9.66 Fair with Haze CLR 17 15 88% 75.82 0.0
21 10:55 NW 7 9.66 Fair with Haze CLR 17 15 88% 75.87 0.0
21 10:35 N 6 11.27 Fair CLR 17 15 88% 75.84 0.0
21 10:15 Calm 12.87 Fair CLR 17 15 88% 75.9 0.0
21 09:55 Calm 12.87 Fair CLR 16 15 94% 75.87 0.0
21 09:35 Calm 12.87 Fair CLR 15 14 94% 75.87 0.0
21 09:15 NE 6 12.87 Fair CLR 15 14 94% 75.84 0.0
21 08:55 NE 7 9.66 Fog/Mist CLR 14 14 100% 75.82 0.0
21 08:35 Calm 11.27 Fair CLR 14 13 94% 75.84 0.0
21 08:15 Calm 9.66 Fog/Mist FEW055 14 13 94% 75.84 0.0
21 07:55 Calm 9.66 Fog/Mist FEW060 13 13 100% 75.82 0.0
21 07:35 Calm 11.27 A Few Clouds FEW060 13 13 100% 75.82 0.0
21 07:15 Calm 12.87 Fair CLR 13 13 100% 75.79 0.0
21 06:55 NE 6 14.48 A Few Clouds FEW040 0 0 0% 75.79 0.0
21 06:35 Calm 14.48 A Few Clouds FEW039 FEW046 14 13 94% 75.77 0.0
21 06:15 Calm 14.48 A Few Clouds FEW046 FEW075 14 13 94% 75.77 0.0
21 05:55 Calm 12.87 Partly Cloudy FEW040 FEW047 SCT075 14 13 94% 75.79 0.0
21 05:35 Calm 14.48 A Few Clouds FEW038 FEW045 FEW080 14 13 94% 75.79 0.0
21 05:15 Calm 14.48 Mostly Cloudy SCT075 BKN085 14 13 94% 75.79 0.0
21 04:55 Calm 12.87 Mostly Cloudy FEW042 SCT075 BKN085 14 12 88% 75.79 0.0
21 04:35 E 6 14.48 Partly Cloudy FEW044 FEW050 SCT075 14 12 88% 75.82 0.0
21 04:15 NE 6 12.87 Partly Cloudy FEW046 SCT055 SCT120 13 12 94% 75.79 0.0
21 03:55 Calm 12.87 Mostly Cloudy FEW042 SCT050 BKN120 14 12 88% 75.79 0.0
21 03:35 Calm 14.48 Partly Cloudy SCT090 14 12 88% 75.82 0.0
21 03:15 Calm 12.87 Partly Cloudy SCT095 15 12 82% 75.82 0.0
21 02:55 E 7 12.87 Mostly Cloudy BKN095 15 12 82% 75.84 0.0
21 02:35 E 9 9.66 Mostly Cloudy with Haze BKN095 16 13 83% 75.84 0.0
21 02:15 SE 9 11.27 Mostly Cloudy BKN100 16 13 83% 75.84 0.0
21 01:55 SE 7 12.87 Mostly Cloudy BKN100 15 12 82% 75.82 0.0
21 01:35 SE 11 11.27 Mostly Cloudy BKN100 16 13 83% 75.82 0.0
21 01:15 Calm 11.27 Mostly Cloudy BKN100 15 13 88% 75.82 0.0
21 00:55 Calm 11.27 A Few Clouds FEW100 0 0 0% 75.79 0.0
21 00:35 SE 11 11.27 Partly Cloudy SCT110 16 13 83% 75.82 0.0
21 00:15 SE 6 11.27 Mostly Cloudy BKN110 16 13 83% 75.82 0.0
20 23:55 E 7 8.05 Fog/Mist FEW003 BKN110 15 14 94% 75.82 0.0
20 23:35 SE 9 6.44 Fog/Mist BKN003 BKN110 15 14 94% 75.82 0.0
20 23:15 SE 9 6.44 Fog/Mist BKN003 OVC110 14 13 94% 75.82 0.0
20 22:55 Calm 8.05 Fog/Mist BKN003 OVC120 14 12 88% 75.79 0.0
20 22:35 Calm 12.87 Mostly Cloudy BKN003 BKN110 14 12 88% 75.77 0.0
20 22:15 Calm 12.87 Fair CLR 13 12 94% 75.77 0.0
20 21:55 Calm 12.87 A Few Clouds FEW110 13 12 94% 75.77 0.0
20 21:35 Calm 11.27 A Few Clouds FEW110 13 12 94% 75.74 0.0
20 21:15 Calm 11.27 Fair CLR 14 12 88% 75.74 0.0
20 20:55 Calm 12.87 A Few Clouds FEW120 14 12 88% 75.77 0.0
20 20:35 Calm 11.27 A Few Clouds FEW120 0 0 0% 75.77 0.0
20 20:15 Calm 11.27 A Few Clouds FEW120 15 13 88% 75.79 0.0
20 19:55 N 9 12.87 A Few Clouds FEW120 15 13 88% 75.79 0.0
20 19:35 N 13 11.27 Fair CLR 15 13 88% 75.77 0.0
20 19:15 N 17 12.87 Fair CLR 16 13 83% 75.77 0.0
20 18:55 N 19 12.87 Fair CLR 16 13 83% 75.77 0.0
20 18:35 N 13 11.27 Partly Cloudy SCT120 16 13 83% 75.77 0.0
20 18:15 NW 22 11.27 A Few Clouds FEW120 16 13 83% 75.77 0.0
20 17:55 N 17 9.66 Fair with Haze CLR 16 13 83% 75.77 0.0
20 17:35 N 17 9.66 Fair with Haze CLR 16 13 83% 75.77 0.0
20 17:15 N 20 11.27 Fair CLR 16 13 83% 75.77 0.0
20 16:55 N 20 11.27 Fair CLR 17 13 77% 75.77 0.0
20 16:35 N 19 12.87 Fair CLR 17 13 77% 75.77 0.0
20 16:15 N 26 12.87 Fair CLR 17 13 77% 75.77 0.0
20 15:55 N 20 G 33 12.87 Fair CLR 17 12 73% 75.79 0.0
20 15:35 N 20 11.27 Fair CLR 0 0 0% 75.79 0.0
20 15:15 N 20 G 30 12.87 Fair CLR 17 12 73% 75.79 0.0
20 14:55 NW 26 12.87 Fair CLR 18 12 68% 75.79 0.0
20 14:35 N 24 11.27 Fair CLR 20 10 53% 75.82 0.0
20 14:15 NW 22 12.87 Fair CLR 19 11 60% 75.82 0.0
20 13:55 NW 17 12.87 Fair CLR 18 12 68% 75.87 0.0
20 13:35 NW 20 11.27 Fair CLR 18 12 68% 75.87 0.0
20 13:15 NW 20 11.27 Fair CLR 0 0 0% 75.9 0.0
20 12:55 NW 22 12.87 Fair CLR 18 12 68% 75.92 0.0
20 12:35 NW 19 8.05 Fair with Haze CLR 18 12 68% 75.95 0.0
20 12:15 NW 17 11.27 Fair CLR 18 12 68% 75.97 0.0
20 11:55 NW 15 11.27 Fair CLR 18 11 64% 75.97 0.0
20 11:35 NW 15 12.87 Fair CLR 18 11 64% 75.97 0.0
20 11:15 NW 11 9.66 Fair with Haze CLR 18 12 68% 76 0.0
20 10:55 W 13 9.66 Fair with Haze CLR 17 12 73% 76 0.0
20 10:35 W 13 9.66 Fair with Haze CLR 17 12 73% 76 0.0
20 10:15 Vrbl 6 12.87 Fair CLR 17 11 68% 76 0.0
20 09:55 NE 7 12.87 A Few Clouds FEW120 17 11 68% 76 0.0
20 09:35 NE 6 14.48 Fair CLR 16 12 77% 76 0.0
20 09:15 Calm 11.27 Fair CLR 15 13 88% 76 0.0
20 08:55 Calm 9.66 Fog/Mist CLR 14 13 94% 76 0.0
20 08:35 NE 6 11.27 A Few Clouds FEW110 12 12 100% 75.97 0.0
20 08:15 Calm 8.05 Fog/Mist CLR 11 11 100% 75.97 0.0
20 07:55 NE 7 11.27 Fair CLR 0 0 0% 75.95 0.0
20 07:35 NE 6 12.87 Fair CLR 10 10 100% 75.95 0.0
20 07:15 NE 6 14.48 A Few Clouds FEW030 FEW037 9 9 100% 75.95 0.0
20 06:55 Calm 12.87 Mostly Cloudy FEW025 BKN035 0 0 0% 75.97 0.0
20 06:35 Calm 14.48 Overcast BKN025 OVC034 10 10 100% 75.95 0.0
20 05:55 Calm 14.48 Overcast BKN025 BKN034 OVC040 10 10 100% 75.95 0.0
20 05:35 Calm 14.48 Overcast BKN023 OVC040 10 10 100% 75.92 0.0
20 05:15 Calm 14.48 Overcast OVC040 11 10 94% 75.92 0.0
20 04:55 Calm 14.48 Overcast FEW032 OVC041 11 10 94% 75.92 0.0
20 04:35 NE 6 14.48 Overcast SCT033 OVC043 11 10 94% 75.9 0.0
20 04:15 NE 7 14.48 Mostly Cloudy FEW027 SCT036 BKN043 11 11 100% 75.92 0.0
20 03:55 Calm 12.87 Mostly Cloudy FEW033 BKN042 BKN120 11 11 100% 75.92 0.0
20 03:35 NE 6 14.48 A Few Clouds FEW043 11 11 100% 75.92 0.0
20 03:15 NE 9 14.48 Partly Cloudy SCT110 11 11 100% 75.92 0.0
20 02:55 NE 7 14.48 Overcast OVC120 11 11 100% 75.95 0.0
20 02:35 Calm 14.48 Overcast OVC120 11 11 100% 75.95 0.0
20 02:15 Calm 14.48 Mostly Cloudy BKN120 10 10 100% 75.95 0.0
20 01:55 Calm 12.87 A Few Clouds FEW120 11 10 94% 75.95 0.0
20 01:35 Calm 14.48 Fair CLR 10 10 100% 75.95 0.0
20 01:15 NE 6 14.48 Fair CLR 9 9 100% 75.95 0.0
20 00:55 Calm 14.48 Fair CLR 10 10 100% 75.95 0.0
20 00:35 Calm 12.87 Fair CLR 10 10 100% 75.97 0.0
20 00:15 Calm 12.87 Fair CLR 10 10 100% 75.97 0.0
19 23:55 Calm 12.87 Fair CLR 10 10 100% 75.95 0.0
19 23:35 Calm 12.87 Fair CLR 10 10 100% 75.95 0.0
19 23:15 NE 7 12.87 Fair CLR 10 10 100% 9 75.95 0.0
19 22:55 Calm 12.87 Fair CLR 11 10 94% 75.95 0.0
19 22:35 Calm 14.48 Fair CLR 11 10 94% 75.95 0.0
19 22:15 Calm 12.87 Fair CLR 11 10 94% 75.95 0.0
19 21:55 Calm 12.87 Fair CLR 11 10 94% 75.95 0.0
19 21:35 Calm 12.87 A Few Clouds FEW024 FEW043 11 10 94% 75.95 0.0
19 21:15 Calm 12.87 Mostly Cloudy SCT024 BKN043 12 10 88% 75.95 0.0
19 20:55 Calm 12.87 Mostly Cloudy SCT026 SCT031 BKN040 0 0 0% 75.95 0.0
19 20:35 NW 13 12.87 Mostly Cloudy SCT025 SCT031 BKN041 14 11 82% 75.95 0.0
19 20:15 NW 11 12.87 Mostly Cloudy SCT024 SCT031 BKN042 14 11 82% 75.95 0.0
19 19:55 NW 11 12.87 Partly Cloudy SCT023 14 11 82% 75.97 0.0
19 19:35 NW 11 12.87 Partly Cloudy SCT024 SCT040 14 11 82% 75.97 0.0
19 19:15 NW 11 12.87 A Few Clouds FEW024 FEW037 14 11 82% 75.97 0.0
19 18:55 NW 15 11.27 Fair CLR 14 11 82% 75.95 0.0
19 18:35 NW 15 G 24 11.27 A Few Clouds FEW025 14 11 82% 75.95 0.0
19 18:15 NW 15 11.27 Fair CLR 14 11 82% 75.95 0.0
19 17:55 NW 17 11.27 Fair CLR 15 10 72% 75.97 0.0
19 17:35 NW 17 11.27 Fair CLR 15 10 72% 76 0.0
19 17:15 NW 17 11.27 Fair CLR 16 10 68% 76 0.0
19 16:55 NW 17 12.87 Fair CLR 16 10 68% 76 0.0
19 16:35 NW 19 11.27 Fair CLR 17 10 64% 76 0.0
19 16:15 NW 22 12.87 Fair CLR 17 10 64% 76 0.0
19 15:55 NW 20 11.27 A Few Clouds FEW023 FEW030 17 10 64% 76.02 0.0
19 15:35 NW 22 9.66 Partly Cloudy with Haze FEW023 SCT030 17 11 68% 76.02 0.0
19 15:15 NW 20 11.27 Fair CLR 17 10 64% 76.02 0.0
19 14:55 NW 15 11.27 Fair CLR 17 10 64% 76.05 0.0
19 14:35 NW 17 11.27 Fair CLR 17 10 64% 76.07 0.0
19 14:15 Calm 9.66 A Few Clouds FEW026 0 0 0% 76.07 0.0
19 13:55 Calm 11.27 Fair CLR 17 10 64% 76.1 0.0
19 13:35 NW 11 9.66 Partly Cloudy with Haze SCT028 17 10 64% 76.12 0.0
19 13:15 Vrbl 7 G 20 11.27 Mostly Cloudy BKN027 17 9 60% 76.15 0.0
19 12:55 NW 15 11.27 Mostly Cloudy BKN028 17 10 64% 76.17 0.0
19 12:35 W 11 G 20 11.27 Mostly Cloudy BKN029 17 10 64% 76.17 0.0
19 12:15 NW 13 11.27 Mostly Cloudy BKN028 17 10 64% 76.2 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)