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 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
19 11:55 NW 13 11.27 A Few Clouds FEW029 16 9 63% 76.2 0.0
19 11:35 NW 15 12.87 A Few Clouds FEW028 16 9 63% 76.2 0.0
19 11:15 W 11 9.66 Mostly Cloudy with Haze BKN028 16 9 63% 76.2 0.0
19 10:55 Vrbl 9 G 19 11.27 Mostly Cloudy BKN028 15 9 68% 76.23 0.0
19 10:35 NW 13 9.66 Overcast with Haze OVC028 16 10 68% 76.23 0.0
19 10:15 NW 15 9.66 Overcast with Haze OVC027 15 10 72% 76.23 0.0
19 09:55 NW 17 9.66 Overcast with Haze OVC028 15 10 72% 76.23 0.0
19 09:35 NW 15 9.66 Overcast with Haze OVC028 15 10 72% 76.23 0.0
19 09:15 NW 13 9.66 Overcast with Haze OVC027 15 10 72% 76.23 0.0
19 08:55 NW 9 9.66 Overcast with Haze OVC027 15 10 72% 76.23 0.0
19 08:35 NW 15 9.66 Overcast with Haze OVC026 14 10 77% 76.23 0.0
19 08:15 NW 11 G 20 8.05 Overcast with Haze OVC026 14 10 77% 76.2 0.0
19 07:55 NW 13 8.05 Overcast with Haze OVC027 14 10 77% 76.2 0.0
19 07:35 NW 15 9.66 Overcast with Haze OVC027 14 10 77% 76.2 0.0
19 07:15 NW 13 11.27 Overcast OVC028 14 10 77% 76.2 0.0
19 06:55 NW 17 11.27 Overcast OVC028 14 11 82% 76.17 0.0
19 06:35 NW 15 11.27 Overcast OVC027 14 10 77% 76.2 0.0
19 06:15 NW 17 11.27 Overcast OVC026 14 11 82% 76.17 0.0
19 05:55 NW 13 11.27 Overcast OVC026 0 0 0% 76.17 0.0
19 05:35 NW 15 11.27 Overcast OVC024 14 11 82% 76.17 0.0
19 05:15 NW 9 11.27 Overcast OVC025 14 11 82% 76.17 0.0
19 04:55 NW 11 11.27 Overcast OVC023 14 11 82% 76.17 0.0
19 04:35 N 15 11.27 Overcast OVC022 14 11 82% 76.17 0.0
19 04:15 NW 17 11.27 Overcast OVC020 14 11 82% 76.2 0.0
19 03:55 NW 9 9.66 Fog/Mist OVC019 14 12 88% 76.2 0.0
19 03:35 NW 19 9.66 Fog/Mist OVC018 14 12 88% 76.2 0.0
19 03:15 NW 15 11.27 Overcast OVC018 14 12 88% 76.2 0.0
19 02:55 NW 20 11.27 Overcast OVC018 14 12 88% 76.23 0.0
19 02:35 NW 6 11.27 Overcast OVC017 0 0 0% 76.23 0.0
19 02:15 NW 17 11.27 Overcast OVC017 14 12 88% 76.23 0.0
19 01:55 Vrbl 9 G 22 9.66 Fog/Mist OVC017 14 12 88% 76.23 0.0
19 01:35 NW 9 11.27 Overcast OVC018 14 12 88% 76.23 0.0
19 01:15 NW 17 11.27 Overcast OVC018 14 12 88% 76.23 0.0
19 00:55 NW 20 11.27 Overcast OVC018 14 12 88% 76.25 0.0
19 00:35 NW 13 11.27 Overcast OVC019 14 12 88% 76.25 0.0
19 00:15 NW 17 9.66 Overcast with Haze OVC019 14 12 88% 76.25 0.0
18 23:55 N 9 G 20 11.27 Overcast OVC020 14 12 88% 76.25 0.0
18 23:35 NW 13 G 22 11.27 Overcast OVC020 14 12 88% 76.28 0.0
18 23:15 Calm 11.27 Overcast OVC020 0 0 0% 76.28 0.0
18 22:55 NW 19 9.66 Overcast with Haze OVC019 14 12 88% 76.3 0.0
18 22:35 NW 11 9.66 Fog/Mist OVC018 15 12 82% 76.28 0.0
18 22:15 NW 11 G 24 9.66 Fog/Mist OVC018 14 12 88% 76.28 0.0
18 21:55 NW 15 G 26 9.66 Fog/Mist OVC018 15 12 82% 76.28 0.0
18 21:35 NW 15 9.66 Fog/Mist OVC017 15 13 88% 76.28 0.0
18 21:15 NW 11 11.27 Overcast OVC017 15 13 88% 76.28 0.0
18 20:55 NW 17 9.66 Fog/Mist OVC016 15 13 88% 76.28 0.0
18 20:35 NW 11 8.05 Fog/Mist OVC016 15 13 88% 76.28 0.0
18 20:15 NW 15 G 24 9.66 Fog/Mist OVC017 14 13 94% 76.25 0.0
18 19:55 NW 17 9.66 Fog/Mist OVC016 15 13 88% 76.25 0.0
18 19:35 NW 19 9.66 Overcast OVC016 0 0 0% 76.25 0.0
18 19:15 NW 19 9.66 Fog/Mist OVC016 15 13 88% 76.23 0.0
18 18:55 NW 17 G 26 11.27 Overcast OVC015 14 13 94% 76.23 0.0
18 18:35 NW 17 6.44 Fog/Mist OVC014 15 14 94% 76.23 0.0
18 18:15 NW 17 6.44 Fog/Mist OVC015 15 14 94% 76.23 0.0
18 17:55 NW 19 6.44 Fog/Mist OVC014 15 13 88% 76.23 0.0
18 17:35 NW 15 6.44 Fog/Mist OVC013 15 14 94% 76.23 0.0
18 17:15 NW 15 G 24 8.05 Fog/Mist OVC013 15 14 94% 76.23 0.0
18 16:55 N 17 G 28 6.44 Overcast OVC012 0 0 0% 76.23 0.0
18 16:35 NW 20 8.05 Fog/Mist OVC013 15 14 94% 76.23 0.0
18 16:15 NW 17 G 26 6.44 Fog/Mist OVC013 15 14 94% 76.25 0.0
18 15:55 NW 19 8.05 Fog/Mist BKN012 15 14 94% 76.25 0.0
18 15:35 NW 22 8.05 Fog/Mist FEW009 SCT013 15 14 94% 76.25 0.0
18 15:15 NW 20 6.44 Fog/Mist FEW012 16 14 88% 76.25 0.0
18 14:55 NW 22 6.44 Fog/Mist FEW013 16 14 88% 76.25 0.0
18 14:35 N 19 6.44 Fog/Mist CLR 16 14 88% 76.25 0.0
18 14:15 NW 20 6.44 A Few Clouds FEW013 0 0 0% 76.28 0.0
18 13:55 NW 22 6.44 Fog/Mist FEW009 FEW013 16 15 94% 76.28 0.0
18 13:35 NW 19 6.44 Fog/Mist SCT008 16 15 94% 76.3 0.0
18 13:15 NW 19 4.83 Fog/Mist BKN007 15 15 100% 76.3 0.0
18 12:55 N 17 G 26 4.83 Fog/Mist BKN007 15 15 100% 76.33 0.0
18 12:35 NW 15 4.83 Fog/Mist SCT007 16 15 94% 76.33 0.0
18 12:15 NW 20 4.83 Fog/Mist FEW007 16 15 94% 76.33 0.0
18 11:55 N 13 G 24 4.83 Fog/Mist FEW009 FEW013 16 15 94% 76.33 0.0
18 11:35 NW 17 6.44 Fog/Mist FEW009 FEW013 16 15 94% 76.33 0.0
18 11:15 NW 13 4.83 Fog/Mist CLR 16 15 94% 76.33 0.0
18 10:55 N 13 4.83 Fog/Mist FEW009 FEW014 16 15 94% 76.33 0.0
18 10:35 Vrbl 9 4.83 Fog/Mist SCT009 SCT014 16 15 94% 76.33 0.0
18 10:15 NW 9 4.83 Fog/Mist BKN008 16 15 94% 76.33 0.0
18 09:55 N 7 4.83 Fog/Mist BKN008 15 15 100% 76.33 0.0
18 09:35 Calm 4.83 Fog/Mist OVC008 15 15 100% 76.3 0.0
18 09:15 W 7 4.83 Fog/Mist OVC007 15 15 100% 76.3 0.0
18 08:55 Calm 4.83 Fog/Mist OVC007 15 15 100% 76.28 0.0
18 08:35 E 7 4.83 Fog/Mist OVC006 14 14 100% 76.25 0.0
18 08:15 E 7 6.44 Fog/Mist OVC006 14 14 100% 76.23 0.0
18 07:55 E 7 6.44 Fog/Mist OVC006 13 13 100% 76.23 0.0
18 07:35 NE 7 6.44 Fog/Mist OVC007 13 13 100% 76.2 0.0
18 07:15 E 11 8.05 Fog/Mist OVC007 13 13 100% 76.2 0.0
18 06:55 E 13 8.05 Overcast OVC006 0 0 0% 76.2 0.0
18 06:35 NE 7 8.05 Fog/Mist OVC004 13 13 100% 76.2 0.0
18 06:15 NE 9 8.05 Fog/Mist OVC005 13 13 100% 76.2 0.0
18 05:55 NE 9 4.83 Overcast OVC005 0 0 0% 76.2 0.0
18 05:35 Calm 8.05 Fog/Mist OVC004 13 13 100% 76.2 0.0
18 05:15 NE 7 6.44 Overcast OVC004 0 0 0% 76.17 0.0
18 04:55 E 11 6.44 Fog/Mist OVC004 13 13 100% 76.17 0.0
18 04:35 NE 9 6.44 Fog/Mist OVC005 13 13 100% 76.17 0.0
18 04:15 Calm 8.05 Fog/Mist OVC005 13 13 100% 76.17 0.0
18 03:55 E 9 8.05 Fog/Mist OVC005 13 13 100% 76.17 0.0
18 03:35 Calm 8.05 Fog/Mist OVC005 13 13 100% 76.17 0.0
18 03:15 Calm 8.05 Fog/Mist OVC006 13 13 100% 76.17 0.0
18 02:55 Calm 8.05 Fog/Mist OVC006 12 12 100% 76.17 0.0
18 02:35 Calm 8.05 Fog/Mist OVC006 10 10 100% 76.17 0.0
18 02:15 Calm 9.66 Fog/Mist OVC006 10 10 100% 76.17 0.0
18 01:55 Calm 9.66 Fog/Mist OVC006 9 9 100% 76.17 0.0
18 01:35 Calm 9.66 Fog/Mist OVC006 9 9 100% 76.17 0.0
18 01:15 Calm 9.66 Fog/Mist OVC006 10 10 100% 76.2 0.0
18 00:55 Calm 9.66 Fog/Mist BKN005 9 9 100% 76.2 0.0
18 00:35 Calm 9.66 Overcast OVC005 0 0 0% 76.2 0.0
18 00:15 Calm 11.27 Mostly Cloudy BKN004 9 9 100% 76.2 0.0
17 23:55 Calm 9.66 Fog/Mist BKN005 0 0 0% 76.2 0.0
17 23:35 Calm 9.66 Fog/Mist BKN005 10 10 100% 76.2 0.0
17 23:15 Calm 9.66 Fog/Mist BKN005 10 10 100% 76.2 0.0
17 22:55 Calm 11.27 Fair CLR 11 10 94% 76.2 0.0
17 22:35 Calm 12.87 Fair CLR 11 9 88% 76.2 0.0
17 22:15 Calm 12.87 Fair CLR 11 9 88% 76.2 0.0
17 21:55 Calm 11.27 Fair CLR 12 10 88% 76.17 0.0
17 21:35 Calm 11.27 Fair CLR 11 11 100% 76.17 0.0
17 21:15 Calm 11.27 A Few Clouds FEW003 12 10 88% 76.17 0.0
17 20:55 Calm 9.66 Fog/Mist CLR 12 12 100% 76.17 0.0
17 20:35 NE 6 11.27 Fair CLR 13 12 94% 76.17 0.0
17 20:15 Calm 9.66 Fog/Mist CLR 14 13 94% 76.17 0.0
17 19:55 Calm 8.05 Fog/Mist CLR 15 14 94% 76.17 0.0
17 19:35 Calm 9.66 Fog/Mist CLR 15 15 100% 76.15 0.0
17 19:15 Calm 8.05 Fog/Mist FEW022 15 15 100% 76.15 0.0
17 18:55 Calm 9.66 Fog/Mist FEW022 16 15 94% 76.12 0.0
17 18:35 NW 11 6.44 Fog/Mist CLR 16 16 100% 76.12 0.0
17 18:15 NW 13 6.44 Fog/Mist CLR 17 16 94% 76.12 0.0
17 17:55 NW 15 8.05 Fair with Haze CLR 18 16 88% 76.12 0.0
17 17:35 NW 15 8.05 Fair with Haze CLR 19 15 78% 76.12 0.0
17 17:15 NW 17 9.66 Fair with Haze CLR 20 14 69% 76.12 0.0
17 16:55 NW 17 9.66 Fair with Haze CLR 21 13 60% 76.15 0.0
17 16:35 NW 17 12.87 Fair CLR 0 0 0% 76.15 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)