National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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.
29 09:55 S 8 5.00 Fog/Mist OVC013 59 55.4 88% 29.91 0.0
29 09:35 S 9 5.00 Fog/Mist OVC013 57.2 55.4 94% 29.91 0.0
29 09:15 S 8 3.00 Fog/Mist FEW008 BKN013 57.2 55.4 94% 29.91 0.0
29 08:55 S 8 3.00 Fog/Mist FEW008 SCT013 55.4 55.4 100% 29.9 0.0
29 08:35 S 7 3.00 Fog/Mist BKN011 55.4 55.4 100% 29.89 0.0
29 08:15 S 6 3.00 Fog/Mist OVC011 55.4 55.4 100% 29.89 0.0
29 07:55 S 6 3.00 Fog/Mist OVC010 55.4 55.4 100% 29.89 0.0
29 07:35 SW 3 3.00 Fog/Mist OVC009 55.4 55.4 100% 29.89 0.0
29 07:15 S 5 2.50 Fog/Mist OVC009 55.4 55.4 100% 29.88 0.0
29 06:55 S 6 2.50 Fog/Mist OVC009 55.4 55.4 100% 29.88 0.0
29 06:35 Calm 3.00 Overcast OVC009 0 0 0% 29.88 0.0
29 06:15 Calm 3.00 Fog/Mist OVC009 55.4 55.4 100% 29.88 0.0
29 05:55 NW 7 5.00 Fog/Mist OVC009 55.4 55.4 100% 29.88 0.0
29 05:35 NW 5 4.00 Overcast OVC010 0 0 0% 29.88 0.0
29 05:15 NW 7 4.00 Fog/Mist OVC010 55.4 55.4 100% 29.88 0.0
29 04:55 W 7 4.00 Fog/Mist OVC011 55.4 55.4 100% 29.88 0.0
29 04:35 NW 6 4.00 Fog/Mist OVC011 55.4 55.4 100% 29.88 0.0
29 04:15 NW 5 4.00 Fog/Mist OVC011 55.4 55.4 100% 29.87 0.0
29 03:55 NW 5 4.00 Fog/Mist OVC012 55.4 55.4 100% 29.87 0.0
29 03:35 NW 8 4.00 Fog/Mist OVC011 55.4 55.4 100% 29.87 0.0
29 03:15 NW 7 4.00 Fog/Mist OVC011 55.4 55.4 100% 29.87 0.0
29 02:55 NW 7 4.00 Fog/Mist OVC012 55.4 55.4 100% 29.88 0.0
29 02:35 NW 7 4.00 Fog/Mist OVC012 55.4 55.4 100% 29.88 0.0
29 02:15 NW 8 4.00 Fog/Mist OVC012 55.4 55.4 100% 29.88 0.0
29 01:55 NW 5 4.00 Fog/Mist OVC012 55.4 55.4 100% 29.89 0.0
29 01:35 Calm 4.00 Fog/Mist OVC012 53.6 53.6 100% 29.89 0.0
29 01:15 Calm 4.00 Fog/Mist OVC011 51.8 51.8 100% 29.89 0.0
29 00:55 Calm 4.00 Fog/Mist OVC011 51.8 51.8 100% 29.9 0.0
29 00:35 Calm 4.00 Fog/Mist OVC012 51.8 51.8 100% 29.9 0.0
29 00:15 Calm 4.00 Fog/Mist OVC012 53.6 53.6 100% 29.91 0.0
28 23:55 Calm 3.00 Fog/Mist OVC013 53.6 53.6 100% 29.91 0.0
28 23:35 Calm 3.00 Overcast OVC013 0 0 0% 29.91 0.0
28 23:15 NW 5 4.00 Fog/Mist BKN013 53.6 53.6 100% 29.91 0.0
28 22:55 N 5 2.50 Fog/Mist SCT013 53.6 53.6 100% 29.91 0.0
28 22:35 Calm 2.00 Fog/Mist BKN013 55.4 55.4 100% 29.92 0.0
28 22:15 N 8 2.50 Fog/Mist NULL 55.4 55.4 100% 29.92 0.0
28 21:55 N 5 2.50 Fog/Mist OVC013 55.4 55.4 100% 29.92 0.0
28 21:35 N 6 3.00 Fog/Mist BKN013 55.4 55.4 100% 29.91 0.0
28 21:15 N 7 3.00 Fog/Mist SCT013 55.4 55.4 100% 29.91 0.0
28 20:55 Vrbl 5 3.00 Fog/Mist CLR 57.2 55.4 94% 29.91 0.0
28 20:35 N 8 3.00 Fog/Mist CLR 57.2 55.4 94% 29.91 0.0
28 20:15 Vrbl 7 G 14 3.00 Fog/Mist CLR 57.2 55.4 94% 29.91 0.0
28 19:55 N 10 G 21 3.00 Fog/Mist CLR 59 55.4 88% 29.91 0.0
28 19:35 NW 15 4.00 Fog/Mist CLR 59 55.4 88% 29.92 0.0
28 19:15 NW 14 G 20 4.00 Fair with Haze CLR 59 55.4 88% 29.92 0.0
28 18:55 N 17 G 24 4.00 Fair with Haze CLR 60.8 55.4 83% 29.92 0.0
28 18:35 N 15 G 23 4.00 Fair with Haze CLR 60.8 55.4 83% 29.93 0.0
28 18:15 N 17 G 24 4.00 Fair with Haze CLR 60.8 55.4 83% 29.93 0.0
28 17:55 N 18 4.00 Fair with Haze CLR 62.6 55.4 77% 29.94 0.0
28 17:35 NW 14 G 21 4.00 Fair with Haze CLR 62.6 55.4 77% 29.94 0.0
28 17:15 N 16 4.00 Fair with Haze CLR 62.6 57.2 83% 29.94 0.0
28 16:55 N 16 G 22 4.00 Fair with Haze CLR 62.6 57.2 83% 29.94 0.0
28 16:35 NW 18 4.00 Fair with Haze CLR 62.6 57.2 83% 29.95 0.0
28 16:15 NW 17 G 23 4.00 Fair with Haze CLR 62.6 57.2 83% 29.95 0.0
28 15:55 NW 15 4.00 Fair with Haze CLR 62.6 57.2 83% 29.96 0.0
28 15:35 NW 18 4.00 Fair with Haze CLR 62.6 57.2 83% 29.96 0.0
28 15:15 NW 20 4.00 Fair with Haze CLR 62.6 57.2 83% 29.96 0.0
28 14:55 NW 20 5.00 Fair with Haze CLR 62.6 57.2 83% 29.97 0.0
28 14:35 NW 18 5.00 Fair with Haze CLR 62.6 57.2 83% 29.97 0.0
28 14:15 NW 20 5.00 Fair with Haze CLR 62.6 57.2 83% 29.97 0.0
28 13:55 NW 16 G 23 6.00 Fair with Haze CLR 64.4 57.2 78% 29.97 0.0
28 13:35 NW 20 5.00 Fair CLR 0 0 0% 29.97 0.0
28 13:15 NW 18 5.00 Fair with Haze CLR 64.4 57.2 78% 29.98 0.0
28 12:55 NW 20 6.00 Fair CLR 0 0 0% 29.98 0.0
28 12:35 NW 17 G 23 5.00 Fair with Haze CLR 64.4 57.2 78% 29.98 0.0
28 12:15 NW 18 6.00 Fair with Haze CLR 64.4 55.4 73% 29.99 0.0
28 11:55 NW 10 G 17 7.00 Fair CLR 64.4 55.4 73% 29.99 0.0
28 11:35 NW 15 6.00 Fair with Haze CLR 62.6 55.4 77% 29.99 0.0
28 11:15 NW 10 G 18 6.00 Fair with Haze CLR 62.6 55.4 77% 29.98 0.0
28 10:55 NW 10 5.00 Fair with Haze CLR 62.6 55.4 77% 29.98 0.0
28 10:35 NW 9 6.00 Fair with Haze CLR 62.6 55.4 77% 29.98 0.0
28 10:15 NW 8 5.00 Fair with Haze CLR 62.6 55.4 77% 29.98 0.0
28 09:55 NW 7 5.00 Fair with Haze CLR 60.8 55.4 83% 29.98 0.0
28 09:35 NW 7 5.00 Fair with Haze CLR 60.8 55.4 83% 29.98 0.0
28 09:15 NW 9 5.00 Fair with Haze CLR 60.8 55.4 83% 29.97 0.0
28 08:55 Vrbl 6 4.00 Fair with Haze CLR 59 55.4 88% 29.97 0.0
28 08:35 NW 8 3.00 Fog/Mist NULL 59 55.4 88% 29.97 0.0
28 08:15 Calm 5.00 Fog/Mist CLR 0 0 0% 0 0.0
28 07:55 Calm 5.00 Fog/Mist CLR 57.2 55.4 94% 29.96 0.0
28 07:15 Calm 5.00 Fog/Mist CLR 53.6 53.6 100% 29.95 0.0
28 06:55 E 3 5.00 Fog/Mist CLR 53.6 53.6 100% 29.95 0.0
28 06:35 NE 3 4.00 A Few Clouds FEW013 0 0 0% 29.95 0.0
28 06:15 E 5 4.00 Fog/Mist BKN014 53.6 53.6 100% 29.95 0.0
28 05:55 E 5 4.00 Fog/Mist OVC014 53.6 53.6 100% 29.95 0.0
28 05:35 Calm 5.00 Fog/Mist OVC014 53.6 53.6 100% 29.94 0.0
28 05:15 Calm 5.00 Fog/Mist OVC014 55.4 53.6 94% 29.94 0.0
28 04:55 Calm 5.00 Fog/Mist OVC015 53.6 53.6 100% 29.94 0.0
28 04:35 Calm 5.00 Fog/Mist OVC015 51.8 51.8 100% 29.94 0.0
28 04:15 SE 3 5.00 Fog/Mist OVC015 51.8 51.8 100% 29.95 0.0
28 03:55 Calm 5.00 Fog/Mist NULL 50 50 100% 29.95 0.0
28 03:35 Calm 5.00 NULL NULL 51.8 51.8 100% 29.95 0.0
28 03:15 Calm 5.00 Fog/Mist OVC015 51.8 51.8 100% 29.95 0.0
28 02:55 Calm 5.00 Fog/Mist BKN015 BKN021 51.8 51.8 100% 29.95 0.0
28 02:35 NW 7 5.00 Fog/Mist OVC014 55.4 53.6 94% 29.95 0.0
28 02:15 Vrbl 3 5.00 Fog/Mist OVC015 55.4 53.6 94% 29.95 0.0
28 01:55 Calm 5.00 Fog/Mist OVC015 55.4 55.4 100% 29.95 0.0
28 01:35 Calm 5.00 Fog/Mist OVC014 57.2 55.4 94% 29.96 0.0
28 01:15 N 3 4.00 Fog/Mist OVC013 57.2 55.4 94% 29.96 0.0
28 00:55 NW 6 5.00 Fog/Mist BKN013 OVC017 57.2 55.4 94% 29.96 0.0
28 00:35 NW 7 5.00 Fog/Mist OVC013 57.2 55.4 94% 29.97 0.0
28 00:15 NW 6 5.00 Fog/Mist OVC014 57.2 55.4 94% 29.97 0.0
27 23:55 NW 7 5.00 Fog/Mist OVC014 57.2 55.4 94% 29.97 0.0
27 23:35 NW 10 5.00 Fog/Mist OVC015 57.2 55.4 94% 29.97 0.0
27 23:15 NW 9 5.00 Fog/Mist OVC016 57.2 55.4 94% 29.98 0.0
27 22:55 NW 8 G 16 6.00 Fog/Mist OVC016 57.2 55.4 94% 29.98 0.0
27 22:35 NW 10 G 17 5.00 Fog/Mist NULL 57.2 55.4 94% 29.98 0.0
27 22:15 NW 12 0.00 NULL NULL 0 0 0% 29.98 0.0
27 21:55 NW 10 G 16 4.00 Fog/Mist BKN015 57.2 55.4 94% 29.98 0.0
27 21:35 NW 13 4.00 Fog/Mist BKN015 57.2 55.4 94% 29.98 0.0
27 21:15 NW 12 4.00 Fog/Mist BKN016 57.2 55.4 94% 29.98 0.0
27 20:55 NW 12 4.00 Fog/Mist NULL 57.2 55.4 94% 29.99 0.0
27 20:15 NW 12 5.00 Fog/Mist FEW018 57.2 55.4 94% 29.99 0.0
27 19:55 NW 13 5.00 Fog/Mist FEW018 57.2 55.4 94% 29.99 0.0
27 19:35 NW 13 5.00 Fog/Mist BKN018 59 53.6 82% 29.99 0.0
27 19:15 NW 12 6.00 Mostly Cloudy with Haze BKN019 59 55.4 88% 30 0.0
27 18:55 NW 14 6.00 Partly Cloudy with Haze SCT018 59 53.6 82% 30 0.0
27 18:35 NW 13 6.00 Mostly Cloudy with Haze BKN019 60.8 55.4 83% 30 0.0
27 18:15 NW 16 6.00 Mostly Cloudy with Haze BKN019 60.8 55.4 83% 30 0.0
27 17:55 NW 16 7.00 Mostly Cloudy BKN020 0 0 0% 30.01 0.0
27 17:35 NW 14 G 21 7.00 A Few Clouds FEW020 62.6 55.4 77% 30.02 0.0
27 17:15 NW 16 8.00 A Few Clouds FEW019 62.6 53.6 73% 30.02 0.0
27 16:55 NW 14 G 21 7.00 Partly Cloudy SCT019 62.6 55.4 77% 30.02 0.0
27 16:35 NW 17 7.00 Partly Cloudy SCT017 62.6 55.4 77% 30.03 0.0
27 16:15 NW 15 8.00 Partly Cloudy SCT016 62.6 55.4 77% 30.03 0.0
27 15:55 NW 18 7.00 Fair CLR 62.6 55.4 77% 30.03 0.0
27 15:35 NW 17 G 23 6.00 Fair CLR 0 0 0% 30.03 0.0
27 15:15 NW 17 G 23 7.00 Fair CLR 62.6 55.4 77% 30.04 0.0
27 14:55 NW 20 7.00 A Few Clouds FEW018 62.6 55.4 77% 30.04 0.0
27 14:35 NW 17 7.00 Partly Cloudy SCT018 62.6 55.4 77% 30.04 0.0
27 14:15 NW 16 7.00 Mostly Cloudy BKN018 0 0 0% 30.04 0.0
27 13:55 NW 16 8.00 Partly Cloudy SCT018 62.6 55.4 77% 30.05 0.0
27 13:35 NW 14 G 20 9.00 Partly Cloudy SCT018 62.6 55.4 77% 30.05 0.0
27 13:15 NW 13 9.00 A Few Clouds FEW017 62.6 55.4 77% 30.04 0.0
27 12:55 NW 10 8.00 A Few Clouds FEW016 62.6 57.2 83% 30.04 0.0
27 12:35 NW 9 8.00 A Few Clouds FEW014 60.8 57.2 88% 30.05 0.0
27 12:15 NW 12 7.00 A Few Clouds FEW015 60.8 57.2 88% 30.05 0.0
27 11:55 NW 14 8.00 Fair CLR 60.8 57.2 88% 30.04 0.0
27 11:35 NW 10 G 18 8.00 Fair CLR 62.6 57.2 83% 30.04 0.0
27 11:15 NW 14 7.00 Fair CLR 60.8 57.2 88% 30.04 0.0
27 10:55 NW 14 7.00 Partly Cloudy SCT035 60.8 57.2 88% 30.04 0.0
27 10:35 NW 12 G 20 8.00 Overcast OVC034 60.8 57.2 88% 30.04 0.0
27 10:15 NW 14 G 20 7.00 Overcast OVC034 60.8 57.2 88% 30.04 0.0
27 09:55 NW 10 G 16 8.00 Overcast OVC034 0 0 0% 30.04 0.0
27 09:35 NW 12 G 18 7.00 Overcast SCT014 OVC034 59 59 100% 30.04 0.0
27 09:15 NW 13 7.00 Overcast FEW009 BKN013 OVC033 59 59 100% 30.03 0.0
27 08:55 NW 13 6.00 Fog/Mist SCT008 BKN013 BKN033 59 59 100% 30.03 0.0
27 08:35 NW 10 6.00 Fog/Mist SCT008 BKN013 BKN033 59 59 100% 30.02 0.0
27 08:15 NW 10 5.00 Fog/Mist BKN007 BKN013 BKN030 59 59 100% 30.02 0.0
27 07:55 NW 10 6.00 Fog/Mist SCT007 BKN024 OVC030 59 59 100% 30.01 0.0
27 07:35 NW 10 G 17 4.00 Fog/Mist FEW008 SCT011 BKN024 59 59 100% 30.01 0.0
27 07:15 NW 12 5.00 Fog/Mist SCT007 OVC028 59 59 100% 30.01 0.0
27 06:55 NW 9 G 15 5.00 Fog/Mist BKN007 OVC028 57.2 57.2 100% 30 0.0
27 06:35 NW 7 5.00 Fog/Mist BKN005 BKN009 OVC032 57.2 57.2 100% 30 0.0
27 06:15 NW 9 5.00 Fog/Mist OVC003 57.2 57.2 100% 29.99 0.0
27 05:55 NW 10 5.00 Fog/Mist OVC003 57.2 57.2 100% 29.99 0.0
27 05:35 NW 8 3.00 Fog/Mist OVC003 57.2 57.2 100% 29.98 0.0
27 05:15 NW 8 3.00 Fog/Mist BKN004 BKN008 OVC032 57.2 57.2 100% 29.98 0.0
27 04:55 NW 10 5.00 Fog/Mist BKN004 OVC032 57.2 57.2 100% 29.98 0.0
27 04:35 NW 8 5.00 Fog/Mist OVC003 59 59 100% 29.98 0.0
27 04:15 NW 9 4.00 Fog/Mist OVC003 59 59 100% 29.98 0.0
27 03:55 NW 8 1.75 Fog/Mist OVC002 59 59 100% 29.98 0.0
27 03:35 NW 10 1.00 Fog/Mist OVC002 59 59 100% 29.98 0.0
27 03:15 NW 9 3.00 Fog/Mist OVC003 59 59 100% 29.98 0.0
27 02:55 NW 5 1.00 Fog/Mist OVC002 59 59 100% 29.98 0.0 0.02
27 02:35 NW 5 1.25 Fog/Mist OVC002 57.2 57.2 100% 29.98 0.0
27 02:15 W 3 1.25 Fog/Mist OVC002 57.2 57.2 100% 29.97 0.0
27 01:55 NW 3 1.25 Fog/Mist OVC003 57.2 57.2 100% 29.98 0.0
27 01:35 NW 5 2.00 Fog/Mist BKN005 OVC010 57.2 57.2 100% 29.98 0.0
27 01:15 NW 6 8.00 Overcast FEW003 BKN009 OVC012 57.2 57.2 100% 29.98 0.0
27 00:55 NW 12 1.50 Fog/Mist OVC004 57.2 57.2 100% 29.99 0.0
27 00:35 NW 8 1.25 Fog/Mist OVC004 59 59 100% 29.99 0.0
27 00:15 NW 7 2.00 Fog/Mist OVC005 59 59 100% 29.99 0.0
26 23:55 NW 6 1.50 Fog/Mist OVC005 59 59 100% 30 0.0
26 23:35 W 5 3.00 Fog/Mist OVC008 59 59 100% 30 0.0
26 23:15 NW 5 5.00 Fog/Mist FEW004 OVC011 59 59 100% 30 0.0
26 22:55 NW 9 1.50 Fog/Mist OVC003 59 59 100% 30 0.0 0.01
26 22:35 NW 9 1.50 Fog/Mist OVC004 59 59 100% 30.01 0.0
26 22:15 NW 5 1.50 Fog/Mist BKN005 OVC009 59 59 100% 30 0.0
26 21:55 NW 5 1.75 Fog/Mist BKN004 OVC009 59 59 100% 30 0.0
26 21:35 NW 6 1.25 Fog/Mist OVC004 59 59 100% 30 0.0
26 21:15 W 5 1.50 Fog/Mist OVC004 59 59 100% 30 0.0
26 20:55 Calm 2.00 Fog/Mist BKN006 BKN013 59 59 100% 30 0.0
26 20:35 N 5 2.50 Fog/Mist BKN004 BKN009 BKN012 59 59 100% 29.99 0.0
26 20:15 NW 3 1.00 Fog/Mist OVC003 59 59 100% 29.99 0.0
26 19:55 NW 6 1.00 Fog/Mist OVC003 59 59 100% 30 0.0
26 19:35 NW 7 2.00 Fog/Mist OVC003 59 59 100% 30 0.0
26 19:15 NW 9 0.75 Fog/Mist OVC003 59 59 100% 29.99 0.0
26 18:55 NW 8 0.50 Fog OVC003 59 59 100% 29.99 0.0
26 18:35 NW 8 1.50 Fog/Mist OVC004 60.8 60.8 100% 29.99 0.0
26 18:15 NW 7 4.00 Overcast BKN005 OVC012 0 0 0% 30 0.0
26 17:55 NW 6 5.00 Fog/Mist BKN012 60.8 60.8 100% 30 0.0
26 17:35 NW 7 4.00 Fog/Mist SCT005 BKN010 60.8 60.8 100% 30 0.0
26 17:15 NW 8 3.00 Fog/Mist OVC005 60.8 60.8 100% 30 0.0
26 16:55 NW 7 4.00 Fog/Mist OVC006 60.8 60.8 100% 30 0.0
26 16:35 NW 8 4.00 Fog/Mist OVC005 60.8 60.8 100% 30 0.0
26 16:15 NW 8 4.00 Fog/Mist OVC005 60.8 60.8 100% 30 0.0
26 15:55 NW 7 5.00 Fog/Mist OVC005 60.8 60.8 100% 29.99 0.0
26 15:35 NW 9 6.00 Fog/Mist OVC005 60.8 60.8 100% 30.01 0.0
26 15:15 NW 8 6.00 Fog/Mist BKN004 BKN009 62.6 62.6 100% 30.01 0.0
26 14:55 W 10 5.00 Fog/Mist OVC004 62.6 62.6 100% 30.01 0.0
26 14:35 W 7 5.00 Fog/Mist OVC004 60.8 60.8 100% 30 0.0
26 14:15 W 7 1.25 Fog/Mist OVC004 60.8 60.8 100% 30.01 0.0
26 13:55 W 6 1.25 Fog/Mist OVC005 60.8 60.8 100% 30.02 0.0
26 13:35 Vrbl 5 7.00 Overcast OVC005 60.8 60.8 100% 30.01 0.0
26 13:15 W 6 8.00 Overcast OVC006 62.6 60.8 94% 30.01 0.0
26 12:55 W 7 7.00 Overcast OVC005 60.8 60.8 100% 30 0.0
26 12:35 W 6 8.00 Overcast OVC005 60.8 60.8 100% 30 0.0
26 12:15 W 7 7.00 Overcast OVC004 0 0 0% 30.01 0.0
26 11:55 W 7 5.00 Fog/Mist OVC004 60.8 60.8 100% 30 0.0
26 11:15 NW 6 1.75 Fog/Mist OVC004 0 0 0% 30 0.0
26 10:55 NW 8 0.75 Fog/Mist OVC004 59 59 100% 29.99 0.0
26 10:35 NW 12 5.00 Fog/Mist BKN005 BKN008 BKN013 0 0 0% 29.99 0.0
26 10:15 NW 9 5.00 Fog/Mist SCT007 BKN012 59 59 100% 29.98 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)