Weather observations for the past three days for
Half Moon Bay Airport
Imperial (Metric)
Date Time (pdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
18 10:55 NW 12 9.00 Overcast OVC006 59 57.2 94% 30.05 0.0
18 10:35 NW 9 8.00 Mostly Cloudy BKN006 59 57.2 94% 30.04 0.0
18 10:15 NW 10 8.00 Overcast OVC005 59 57.2 94% 30.04 0.0
18 09:55 NW 10 7.00 Overcast OVC004 57.2 57.2 100% 30.03 0.0
18 09:35 NW 10 6.00 Fog/Mist OVC004 57.2 57.2 100% 30.03 0.0
18 09:15 NW 7 6.00 Fog/Mist OVC005 57.2 57.2 100% 30.04 0.0
18 08:55 NW 7 6.00 Fog/Mist OVC005 57.2 57.2 100% 30.04 0.0
18 08:35 NW 7 7.00 Overcast OVC005 57.2 57.2 100% 30.04 0.0
18 08:15 Vrbl 6 7.00 Overcast OVC004 57.2 57.2 100% 30.03 0.0
18 07:35 NW 7 6.00 Fog/Mist OVC005 57.2 57.2 100% 30.03 0.0
18 07:15 N 7 6.00 Fog/Mist OVC004 57.2 57.2 100% 30.02 0.0
18 06:35 N 7 7.00 Overcast OVC005 55.4 55.4 100% 30.02 0.0
18 06:15 N 6 7.00 Overcast OVC006 57.2 57.2 100% 30.01 0.0
18 05:55 NE 5 9.00 Overcast OVC006 57.2 57.2 100% 30.01 0.0
18 05:35 N 5 9.00 Overcast OVC005 57.2 57.2 100% 30 0.0
18 05:15 N 5 7.00 Overcast OVC005 57.2 57.2 100% 30 0.0
18 04:55 N 8 9.00 Overcast OVC006 57.2 57.2 100% 30 0.0
18 04:35 N 3 8.00 Overcast OVC006 57.2 57.2 100% 30 0.0
18 04:15 N 5 9.00 Overcast OVC006 57.2 57.2 100% 30 0.0
18 03:55 N 3 9.00 Overcast OVC007 57.2 57.2 100% 30 0.0
18 03:35 NW 8 9.00 Overcast OVC007 57.2 57.2 100% 30 0.0
18 03:15 N 8 9.00 Overcast OVC007 57.2 57.2 100% 30 0.0
18 02:55 NW 7 8.00 Overcast OVC007 57.2 57.2 100% 30.01 0.0
18 02:35 N 9 8.00 Overcast OVC007 57.2 57.2 100% 30.01 0.0
18 02:15 N 7 9.00 Overcast OVC007 57.2 57.2 100% 30.01 0.0
18 01:55 N 6 G 12 9.00 Overcast OVC007 57.2 57.2 100% 30.01 0.0
17 20:15 NW 12 8.00 Overcast OVC005 59 59 100% 30.02 0.0
17 19:55 NW 13 8.00 Overcast OVC005 59 59 100% 30.02 0.0
17 19:35 N 10 G 18 8.00 Overcast OVC005 59 59 100% 30.02 0.0
17 19:15 NW 15 9.00 Overcast OVC006 59 59 100% 30.02 0.0
17 18:55 NW 14 10.00 Overcast OVC007 59 59 100% 30.03 0.0
17 18:35 NW 12 9.00 Overcast OVC007 59 59 100% 30.03 0.0
17 18:15 NW 12 G 18 9.00 Overcast OVC008 60.8 59 94% 30.03 0.0
17 17:55 NW 14 9.00 Overcast OVC008 60.8 59 94% 30.03 0.0
17 17:35 NW 15 10.00 Mostly Cloudy BKN008 BKN013 60.8 59 94% 30.04 0.0
17 16:55 N 15 G 22 10.00 Mostly Cloudy BKN007 BKN014 62.6 59 88% 30.04 0.0
17 16:35 N 13 G 21 10.00 Mostly Cloudy BKN008 62.6 59 88% 30.05 0.0
17 16:15 NW 16 10.00 Partly Cloudy SCT008 62.6 59 88% 30.05 0.0
17 15:55 N 16 10.00 A Few Clouds FEW007 FEW013 62.6 59 88% 30.05 0.0
17 15:35 NW 15 G 24 8.00 A Few Clouds FEW007 FEW013 62.6 59 88% 30.05 0.0
17 15:15 N 15 G 22 9.00 Partly Cloudy SCT007 62.6 59 88% 30.06 0.0
17 14:55 N 14 G 21 9.00 Partly Cloudy SCT007 SCT011 62.6 59 88% 30.06 0.0
17 14:35 NW 15 G 21 10.00 Partly Cloudy SCT008 62.6 59 88% 30.06 0.0
17 14:15 N 14 G 21 9.00 Partly Cloudy SCT007 62.6 59 88% 30.07 0.0
17 13:55 NW 17 10.00 Partly Cloudy FEW005 SCT010 62.6 59 88% 30.07 0.0
17 13:35 N 14 G 22 9.00 A Few Clouds FEW011 62.6 59 88% 30.08 0.0
17 13:15 N 14 G 22 9.00 Partly Cloudy FEW006 SCT010 62.6 59 88% 30.08 0.0
17 12:55 N 13 G 22 10.00 Partly Cloudy SCT008 60.8 57.2 88% 30.08 0.0
17 12:35 NW 15 9.00 Partly Cloudy SCT008 60.8 59 94% 30.08 0.0
17 12:15 NW 15 10.00 Partly Cloudy SCT008 62.6 59 88% 30.08 0.0
17 11:55 N 13 G 18 9.00 Mostly Cloudy BKN007 BKN012 60.8 59 94% 30.08 0.0
17 11:35 N 9 G 17 8.00 Mostly Cloudy BKN008 BKN012 59 57.2 94% 30.08 0.0
17 11:15 N 12 G 18 10.00 Overcast BKN007 OVC010 59 57.2 94% 30.08 0.0
17 10:55 N 10 G 16 9.00 Mostly Cloudy BKN007 59 57.2 94% 30.08 0.0
17 10:35 NW 13 9.00 Overcast OVC006 59 57.2 94% 30.08 0.0
17 10:15 N 9 G 16 9.00 Overcast OVC007 59 57.2 94% 30.08 0.0
17 09:55 N 8 9.00 Overcast OVC006 57.2 57.2 100% 30.07 0.0
17 09:35 NW 10 9.00 Overcast OVC006 57.2 57.2 100% 30.07 0.0
17 09:15 NW 12 9.00 Overcast OVC006 57.2 57.2 100% 30.07 0.0
17 08:55 N 12 9.00 Overcast OVC006 57.2 57.2 100% 30.07 0.0
17 08:35 NW 8 6.00 Fog/Mist OVC005 57.2 57.2 100% 30.07 0.0
17 08:15 N 9 4.00 Fog/Mist OVC006 57.2 57.2 100% 30.07 0.0
17 07:55 N 8 8.00 Overcast OVC006 55.4 55.4 100% 30.07 0.0
17 07:35 N 8 9.00 Overcast OVC006 55.4 55.4 100% 30.06 0.0
17 07:15 N 8 8.00 Overcast OVC006 55.4 55.4 100% 30.06 0.0
17 06:55 N 6 G 12 8.00 Overcast OVC006 55.4 55.4 100% 30.06 0.0
17 06:35 N 7 1.00 Fog/Mist OVC005 55.4 55.4 100% 30.05 0.0
17 06:15 NW 8 3.00 Fog/Mist OVC006 55.4 55.4 100% 30.05 0.0
17 05:55 N 5 4.00 Fog/Mist OVC005 55.4 55.4 100% 30.04 0.0
17 05:35 NW 5 9.00 Overcast OVC005 55.4 55.4 100% 30.04 0.0
17 05:15 W 6 8.00 Overcast OVC006 55.4 55.4 100% 30.04 0.0
17 04:55 NW 6 9.00 Overcast OVC007 55.4 55.4 100% 30.03 0.0
17 04:35 NW 6 3.00 Fog/Mist OVC007 55.4 55.4 100% 30.03 0.0
17 04:15 N 5 7.00 Overcast OVC007 55.4 55.4 100% 30.03 0.0
17 03:55 NW 6 9.00 Overcast OVC006 55.4 55.4 100% 30.03 0.0
17 03:35 NW 5 9.00 Overcast OVC006 55.4 55.4 100% 30.03 0.0
17 03:15 NW 7 7.00 Overcast OVC008 55.4 55.4 100% 30.04 0.0
17 02:55 NW 9 6.00 Fog/Mist OVC010 55.4 55.4 100% 30.04 0.0
17 02:35 NW 7 3.00 Fog/Mist FEW006 OVC011 55.4 55.4 100% 30.04 0.0
17 02:15 NW 8 2.00 Fog/Mist BKN005 OVC011 55.4 55.4 100% 30.04 0.0
17 01:55 NW 9 3.00 Fog/Mist OVC004 57.2 57.2 100% 30.04 0.0
17 01:15 NW 7 10.00 Overcast OVC011 57.2 57.2 100% 30.04 0.0
17 00:55 Calm 10.00 Overcast OVC013 57.2 55.4 94% 30.05 0.0
17 00:35 NW 5 10.00 Overcast OVC015 59 55.4 88% 30.05 0.0
17 00:15 W 6 10.00 Overcast OVC016 59 55.4 88% 30.05 0.0
16 23:55 NW 6 10.00 Overcast OVC016 59 55.4 88% 30.04 0.0
16 23:35 NW 6 10.00 Overcast OVC016 59 55.4 88% 30.04 0.0
16 23:15 NW 5 10.00 Overcast OVC016 59 53.6 82% 30.04 0.0
16 22:55 NW 5 10.00 Overcast OVC017 59 53.6 82% 30.04 0.0
16 22:35 NW 6 10.00 Overcast OVC017 59 53.6 82% 30.05 0.0
16 22:15 NW 7 10.00 Overcast OVC018 59 55.4 88% 30.05 0.0
16 21:55 NW 6 10.00 Overcast OVC018 59 55.4 88% 30.04 0.0
16 21:35 Calm 10.00 Mostly Cloudy BKN019 57.2 55.4 94% 30.04 0.0
16 21:15 NW 5 10.00 A Few Clouds FEW020 57.2 55.4 94% 30.04 0.0
16 20:55 NW 5 9.00 Fair CLR 57.2 55.4 94% 30.04 0.0
16 20:35 NW 5 10.00 Fair CLR 57.2 55.4 94% 30.04 0.0
16 20:15 W 6 10.00 Fair CLR 59 55.4 88% 30.04 0.0
16 19:55 NW 6 10.00 Fair CLR 59 55.4 88% 30.04 0.0
16 19:35 NW 7 9.00 Fair CLR 60.8 55.4 83% 30.04 0.0
16 19:15 NW 7 10.00 Fair CLR 60.8 55.4 83% 30.04 0.0
16 18:55 NW 7 9.00 Fair CLR 62.6 55.4 77% 30.03 0.0
16 18:35 NW 7 10.00 Fair CLR 62.6 55.4 77% 30.03 0.0
16 18:15 Vrbl 7 10.00 Fair CLR 62.6 55.4 77% 30.03 0.0
16 17:55 NW 9 10.00 Fair CLR 62.6 55.4 77% 30.03 0.0
16 17:35 Vrbl 6 9.00 Fair CLR 62.6 55.4 77% 30.04 0.0
16 17:15 W 7 G 13 10.00 Fair CLR 62.6 55.4 77% 30.04 0.0
16 16:55 W 8 10.00 Fair CLR 62.6 55.4 77% 30.04 0.0
16 16:35 W 7 10.00 Fair CLR 62.6 55.4 77% 30.05 0.0
16 16:15 W 8 10.00 Fair CLR 62.6 57.2 83% 30.05 0.0
16 15:55 W 8 10.00 Fair CLR 64.4 57.2 78% 30.05 0.0
16 15:35 W 8 10.00 Fair CLR 64.4 55.4 73% 30.06 0.0
16 15:15 Vrbl 7 10.00 Fair CLR 64.4 57.2 78% 30.06 0.0
16 14:55 W 8 10.00 Fair CLR 64.4 55.4 73% 30.06 0.0
16 14:35 Vrbl 7 9.00 Fair CLR 64.4 55.4 73% 30.07 0.0
16 14:15 W 8 10.00 Fair CLR 64.4 53.6 68% 30.06 0.0
16 13:55 W 8 9.00 Fair CLR 64.4 55.4 73% 30.07 0.0
16 13:35 Vrbl 7 10.00 Fair CLR 64.4 55.4 73% 30.07 0.0
16 13:15 W 7 10.00 Fair CLR 64.4 55.4 73% 30.07 0.0
16 12:55 W 7 10.00 Fair CLR 64.4 55.4 73% 30.07 0.0
16 12:35 W 7 10.00 Fair CLR 64.4 55.4 73% 30.07 0.0
16 12:15 SW 7 10.00 Fair CLR 62.6 55.4 77% 30.07 0.0
16 11:55 Vrbl 6 10.00 Fair CLR 64.4 55.4 73% 30.07 0.0
16 11:35 Vrbl 6 10.00 A Few Clouds FEW025 64.4 55.4 73% 30.06 0.0
16 11:15 Vrbl 5 10.00 Mostly Cloudy BKN025 64.4 55.4 73% 30.06 0.0
16 10:55 Vrbl 5 9.00 Overcast OVC025 64.4 55.4 73% 30.06 0.0
16 10:35 Vrbl 6 10.00 Overcast OVC025 62.6 53.6 73% 30.06 0.0
16 10:15 S 6 10.00 Overcast OVC024 62.6 55.4 77% 30.06 0.0
16 09:55 S 5 10.00 Overcast OVC024 62.6 53.6 73% 30.05 0.0
16 09:35 Vrbl 3 10.00 Overcast OVC023 62.6 53.6 73% 30.05 0.0
16 09:15 SW 5 10.00 Overcast OVC021 60.8 55.4 83% 30.05 0.0
16 08:55 SW 5 10.00 Overcast OVC020 60.8 55.4 83% 30.05 0.0
16 08:35 Calm 10.00 Overcast OVC020 60.8 55.4 83% 30.05 0.0
16 08:15 S 5 10.00 Overcast OVC021 60.8 55.4 83% 30.05 0.0
16 07:55 S 5 10.00 Overcast OVC021 60.8 55.4 83% 30.04 0.0
16 07:35 Calm 10.00 Overcast OVC021 59 55.4 88% 30.04 0.0
16 07:15 Calm 10.00 Overcast OVC020 59 55.4 88% 30.03 0.0
16 06:55 Calm 10.00 Overcast OVC020 59 57.2 94% 30.03 0.0
16 06:35 Calm 10.00 Overcast OVC020 59 57.2 94% 30.03 0.0
16 06:15 Calm 10.00 Overcast OVC020 57.2 55.4 94% 30.02 0.0
16 05:55 Calm 10.00 Overcast OVC020 57.2 55.4 94% 30.02 0.0
16 05:35 Calm 10.00 Overcast OVC019 57.2 55.4 94% 30.02 0.0
16 05:15 Calm 10.00 Overcast OVC019 57.2 55.4 94% 30.02 0.0
16 04:55 Calm 10.00 Overcast OVC019 57.2 55.4 94% 30.01 0.0
16 04:35 Calm 10.00 Overcast OVC019 57.2 55.4 94% 30.01 0.0
16 04:15 Calm 10.00 Overcast OVC019 55.4 55.4 100% 30.01 0.0
16 03:55 Calm 10.00 Overcast OVC020 55.4 55.4 100% 30.01 0.0
16 03:35 Calm 10.00 Overcast OVC021 55.4 55.4 100% 30.01 0.0
16 03:15 Calm 10.00 Overcast OVC020 55.4 53.6 94% 30.01 0.0
16 02:55 Calm 10.00 Overcast OVC020 55.4 53.6 94% 30.01 0.0
16 02:35 Calm 10.00 Overcast OVC020 55.4 53.6 94% 30.01 0.0
16 02:15 Calm 10.00 Overcast OVC020 53.6 53.6 100% 30.01 0.0
16 01:55 Calm 10.00 Overcast OVC020 51.8 51.8 100% 30.01 0.0
16 01:35 Calm 10.00 Overcast OVC019 51.8 51.8 100% 30.01 0.0
16 01:15 Calm 10.00 Mostly Cloudy BKN020 50 50 100% 30.01 0.0
16 00:55 Calm 10.00 A Few Clouds FEW011 FEW021 50 50 100% 30.02 0.0
16 00:35 Calm 10.00 Partly Cloudy SCT011 SCT030 50 50 100% 30.02 0.0
16 00:15 Calm 10.00 Fair CLR 50 50 100% 30.03 0.0
15 23:55 Calm 10.00 Fair CLR 51.8 50 94% 30.03 0.0
15 23:35 Calm 10.00 Fair CLR 51.8 50 94% 30.03 0.0
15 23:15 Calm 10.00 Fair CLR 51.8 51.8 100% 30.03 0.0
15 22:55 Calm 10.00 Fair CLR 51.8 51.8 100% 30.03 0.0
15 22:35 Calm 10.00 Fair CLR 53.6 51.8 94% 30.03 0.0
15 22:15 Calm 10.00 Fair CLR 53.6 53.6 100% 30.03 0.0
15 21:55 Calm 10.00 Fair CLR 53.6 53.6 100% 30.03 0.0
15 21:35 NE 3 10.00 Fair CLR 55.4 53.6 94% 30.03 0.0
15 21:15 Calm 10.00 Fair CLR 55.4 53.6 94% 30.02 0.0
15 20:55 Calm 10.00 Fair CLR 57.2 55.4 94% 30.02 0.0
15 20:35 W 3 9.00 Fair CLR 59 55.4 88% 30.02 0.0
15 20:15 W 3 10.00 Fair CLR 59 55.4 88% 30.02 0.0
15 19:55 Calm 10.00 Fair CLR 60.8 55.4 83% 30.02 0.0
15 19:35 SW 5 10.00 Fair CLR 60.8 55.4 83% 30.02 0.0
15 19:15 Calm 10.00 Fair CLR 62.6 55.4 77% 30.02 0.0
15 18:55 W 5 9.00 Fair CLR 62.6 55.4 77% 30.02 0.0
15 18:35 SW 5 10.00 Fair CLR 62.6 57.2 83% 30.02 0.0
15 18:15 SW 5 10.00 Fair CLR 62.6 55.4 77% 30.03 0.0
15 17:55 Vrbl 6 10.00 Fair CLR 62.6 57.2 83% 30.03 0.0
15 17:35 Vrbl 5 10.00 Fair CLR 62.6 57.2 83% 30.03 0.0
15 17:15 SW 6 10.00 Fair CLR 62.6 55.4 77% 30.03 0.0
15 16:55 W 5 10.00 Fair CLR 62.6 57.2 83% 30.04 0.0
15 16:35 Vrbl 5 10.00 Fair CLR 62.6 57.2 83% 30.04 0.0
15 16:15 W 7 10.00 Fair CLR 62.6 55.4 77% 30.05 0.0
15 15:55 Vrbl 6 10.00 Partly Cloudy SCT022 62.6 55.4 77% 30.06 0.0
15 15:35 Vrbl 7 10.00 Overcast OVC020 62.6 55.4 77% 30.06 0.0
15 15:15 W 7 10.00 Overcast OVC020 64.4 57.2 78% 30.06 0.0
15 14:55 W 5 10.00 Overcast OVC019 62.6 55.4 77% 30.07 0.0
15 14:35 W 7 9.00 Overcast OVC019 62.6 55.4 77% 30.07 0.0
15 14:15 Vrbl 5 9.00 Overcast OVC019 62.6 55.4 77% 30.07 0.0
15 13:55 SW 8 10.00 Overcast OVC018 62.6 55.4 77% 30.08 0.0
15 13:35 SW 6 10.00 Overcast OVC018 62.6 55.4 77% 30.08 0.0
15 13:15 Vrbl 7 9.00 Overcast OVC018 62.6 55.4 77% 30.09 0.0
15 12:55 Vrbl 5 10.00 Overcast OVC017 60.8 55.4 83% 30.09 0.0
15 12:35 Vrbl 7 10.00 Overcast OVC017 60.8 55.4 83% 30.1 0.0
15 12:15 S 8 10.00 Overcast OVC017 62.6 55.4 77% 30.1 0.0
15 11:55 SW 7 9.00 Overcast OVC016 60.8 55.4 83% 30.1 0.0
15 11:35 S 8 10.00 Overcast OVC016 60.8 55.4 83% 30.1 0.0
15 11:15 S 7 10.00 Overcast OVC015 60.8 55.4 83% 30.1 0.0
Date Time (pdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)