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.
31 16:55 W 8 4.00 Fair with Haze CLR 60.8 53.6 77% 29.92 0.0
31 16:35 NW 7 3.00 Fair with Haze CLR 60.8 53.6 77% 29.93 0.0
31 16:15 NW 6 3.00 Fair with Haze CLR 60.8 55.4 83% 29.93 0.0
31 15:55 W 6 3.00 Fair with Haze CLR 60.8 55.4 83% 29.93 0.0
31 15:35 W 8 3.00 Fair with Haze CLR 60.8 55.4 83% 29.94 0.0
31 15:15 Calm 3.00 Fair with Haze CLR 60.8 55.4 83% 29.94 0.0
31 14:55 NW 8 3.00 Fair with Haze CLR 60.8 55.4 83% 29.94 0.0
31 14:35 NW 8 3.00 Fair with Haze CLR 60.8 55.4 83% 29.95 0.0
31 14:15 W 8 3.00 Fair with Haze CLR 60.8 55.4 83% 29.95 0.0
31 13:55 W 8 3.00 Fair with Haze CLR 59 55.4 88% 29.95 0.0
31 13:35 W 7 3.00 Fair with Haze CLR 60.8 55.4 83% 29.96 0.0
31 13:15 W 7 3.00 Fair with Haze CLR 59 55.4 88% 29.96 0.0
31 12:55 W 6 3.00 Fair with Haze CLR 59 55.4 88% 29.97 0.0
31 12:35 W 7 3.00 Fair with Haze CLR 59 55.4 88% 29.97 0.0
31 12:15 W 9 3.00 Fog/Mist CLR 57.2 55.4 94% 29.97 0.0
31 11:55 SW 7 3.00 Fair with Haze CLR 59 55.4 88% 29.97 0.0
31 11:35 SW 6 3.00 Fair with Haze CLR 59 55.4 88% 29.97 0.0
31 11:15 SW 7 3.00 Fog/Mist CLR 59 55.4 88% 29.97 0.0
31 10:55 Vrbl 6 3.00 Fog/Mist CLR 57.2 55.4 94% 29.98 0.0
31 10:35 SW 6 3.00 Fog/Mist CLR 57.2 53.6 88% 29.97 0.0
31 10:15 SW 6 3.00 Fog/Mist CLR 57.2 53.6 88% 29.97 0.0
31 09:35 SW 6 3.00 Fog/Mist CLR 57.2 55.4 94% 29.97 0.0
31 09:15 SW 6 3.00 Fog/Mist CLR 57.2 55.4 94% 29.97 0.0
31 08:55 SW 5 3.00 Fog/Mist CLR 57.2 53.6 88% 29.97 0.0
31 08:35 Calm 3.00 Fog/Mist CLR 55.4 55.4 100% 29.96 0.0
31 08:15 S 5 3.00 Fog/Mist FEW002 53.6 53.6 100% 29.95 0.0
31 07:55 Calm 1.00 Fog/Mist OVC002 51.8 51.8 100% 29.95 0.0
31 07:35 Calm 0.15 Fog OVC002 51.8 51.8 100% 29.95 0.0
31 07:15 Calm 0.15 Fog OVC002 51.8 51.8 100% 29.95 0.0
31 06:55 Calm 0.15 Fog OVC002 51.8 51.8 100% 29.95 0.0
31 06:35 Calm 2.50 Fog/Mist OVC002 50 50 100% 29.95 0.0
31 06:15 Calm 4.00 Fog/Mist OVC003 50 50 100% 29.94 0.0
31 05:55 Calm 4.00 Fog/Mist OVC005 50 50 100% 29.93 0.0
31 05:15 Calm 5.00 Fog/Mist OVC004 51.8 51.8 100% 29.93 0.0
31 04:55 NE 3 3.00 Fog/Mist OVC003 51.8 51.8 100% 29.93 0.0
31 04:35 NE 3 2.50 Fog/Mist OVC004 53.6 53.6 100% 29.93 0.0
31 04:15 N 5 2.50 Fog/Mist OVC004 53.6 53.6 100% 29.93 0.0
31 03:55 N 3 2.50 Fog/Mist OVC004 53.6 53.6 100% 29.93 0.0
31 03:35 N 3 2.50 Fog/Mist OVC004 53.6 53.6 100% 29.94 0.0
31 03:15 N 5 2.50 Fog/Mist OVC004 53.6 53.6 100% 29.93 0.0
31 02:55 N 6 2.50 Fog/Mist OVC004 53.6 53.6 100% 29.94 0.0
31 02:35 Calm 3.00 Fog/Mist OVC003 51.8 51.8 100% 29.94 0.0
31 02:15 Calm 3.00 Fog/Mist OVC004 51.8 51.8 100% 29.95 0.0
31 01:55 Calm 3.00 Fog/Mist OVC005 51.8 51.8 100% 29.95 0.0
31 01:35 Calm 3.00 Fog/Mist OVC004 51.8 51.8 100% 29.96 0.0
31 01:15 Calm 3.00 Fog/Mist OVC004 51.8 51.8 100% 29.96 0.0
31 00:55 Calm 4.00 Fog/Mist OVC004 50 50 100% 29.96 0.0
31 00:35 Calm 4.00 Fog/Mist OVC005 51.8 51.8 100% 29.97 0.0
31 00:15 Calm 4.00 Fog/Mist OVC005 51.8 51.8 100% 29.97 0.0
30 23:55 Calm 5.00 Fog/Mist OVC004 51.8 51.8 100% 29.98 0.0
30 23:35 Calm 5.00 Fog/Mist OVC004 51.8 51.8 100% 29.98 0.0
30 23:15 Calm 4.00 Fog/Mist OVC003 51.8 51.8 100% 29.97 0.0
30 22:35 NE 5 2.00 Fog/Mist OVC003 53.6 53.6 100% 29.98 0.0
30 22:15 N 6 2.00 Fog/Mist OVC003 53.6 53.6 100% 29.97 0.0
30 21:55 Calm 2.00 Fog/Mist OVC003 53.6 53.6 100% 29.97 0.0
30 21:35 N 5 2.50 Fog/Mist OVC003 53.6 53.6 100% 29.97 0.0
30 21:15 NW 7 2.50 Fog/Mist OVC003 53.6 53.6 100% 29.96 0.0
30 20:55 N 6 3.00 Fog/Mist OVC004 53.6 53.6 100% 29.96 0.0
30 20:35 N 6 2.00 Fog/Mist OVC003 53.6 53.6 100% 29.96 0.0
30 20:15 N 8 2.00 Fog/Mist OVC003 53.6 53.6 100% 29.96 0.0
30 19:55 N 8 1.75 Fog/Mist OVC003 53.6 53.6 100% 29.95 0.0
30 19:35 NW 8 1.50 Fog/Mist OVC003 53.6 53.6 100% 29.96 0.0
30 19:15 NW 8 1.50 Fog/Mist OVC003 53.6 53.6 100% 29.96 0.0
30 18:55 NW 9 2.50 Fog/Mist OVC003 53.6 53.6 100% 29.96 0.0
30 18:15 NW 10 3.00 Fog/Mist BKN003 55.4 55.4 100% 29.96 0.0
30 17:55 NW 10 3.00 Fog/Mist SCT004 55.4 55.4 100% 29.97 0.0
30 17:35 NW 13 3.00 Fog/Mist FEW004 57.2 55.4 94% 29.97 0.0
30 17:15 NW 13 3.00 Fog/Mist CLR 59 55.4 88% 29.97 0.0
30 16:55 NW 12 3.00 Fog/Mist CLR 59 55.4 88% 29.97 0.0
30 16:35 NW 10 3.00 Fog/Mist CLR 59 55.4 88% 29.98 0.0
30 16:15 NW 12 3.00 Fog/Mist CLR 59 55.4 88% 29.98 0.0
30 15:55 NW 13 3.00 Fog/Mist CLR 59 55.4 88% 29.98 0.0
30 15:35 NW 13 3.00 Fair with Haze CLR 60.8 55.4 83% 29.98 0.0
30 15:15 NW 10 3.00 Fair with Haze CLR 60.8 55.4 83% 29.98 0.0
30 14:55 NW 12 3.00 Fair with Haze CLR 60.8 55.4 83% 29.98 0.0
30 14:35 W 8 3.00 Fair with Haze CLR 59 55.4 88% 30 0.0
30 14:15 W 7 3.00 Fair with Haze CLR 59 55.4 88% 30 0.0
30 13:55 NW 10 4.00 Fair with Haze CLR 60.8 55.4 83% 30.01 0.0
30 13:35 W 6 4.00 Fair with Haze CLR 60.8 55.4 83% 30.01 0.0
30 13:15 W 7 6.00 Fog/Mist CLR 59 55.4 88% 30 0.0
30 12:55 W 7 7.00 Fair CLR 57.2 53.6 88% 30.01 0.0
30 10:55 W 6 3.00 Fog/Mist BKN004 55.4 55.4 100% 30.01 0.0
30 10:35 W 6 2.50 Fog/Mist OVC004 55.4 55.4 100% 30.01 0.0
30 10:15 W 6 1.50 Fog/Mist OVC003 53.6 53.6 100% 30.01 0.0
30 09:55 W 6 1.50 Fog/Mist OVC003 53.6 53.6 100% 30.01 0.0
30 09:35 W 5 1.75 Fog/Mist OVC003 53.6 53.6 100% 30.01 0.0
30 08:55 W 5 0.25 Fog OVC003 51.8 51.8 100% 30.02 0.0
30 08:35 W 6 0.50 Fog/Mist OVC003 51.8 51.8 100% 30.02 0.0
30 08:15 Calm 0.75 Fog/Mist OVC003 51.8 51.8 100% 30.02 0.0
30 07:55 Calm 0.50 Fog OVC003 51.8 51.8 100% 30.02 0.0
30 07:35 Calm 0.25 Fog OVC002 51.8 51.8 100% 30.02 0.0
30 07:15 Calm 0.50 Fog OVC002 51.8 51.8 100% 30.02 0.0
30 06:35 Calm 0.25 Fog OVC002 50 50 100% 30.02 0.0
30 06:15 Calm 0.15 Fog OVC002 50 50 100% 30.02 0.0
30 05:55 Calm 0.25 Fog OVC002 51.8 51.8 100% 30.01 0.0
30 05:35 Calm 0.25 Fog OVC002 51.8 51.8 100% 30.01 0.0
30 05:15 Calm 0.25 Fog OVC002 51.8 51.8 100% 30 0.0
30 04:55 S 3 0.25 Fog OVC002 51.8 51.8 100% 30 0.0
30 04:35 Calm 1.00 Fog/Mist OVC002 51.8 51.8 100% 30 0.0
30 04:15 Calm 0.25 Fog OVC002 51.8 51.8 100% 30 0.0
30 03:55 Calm 0.75 Fog/Mist OVC002 51.8 51.8 100% 30 0.0
30 03:35 Calm 1.00 Fog/Mist OVC003 51.8 51.8 100% 30.01 0.0
30 03:15 Calm 2.00 Fog/Mist OVC003 51.8 51.8 100% 30 0.0
30 02:55 Calm 2.00 Fog/Mist OVC003 51.8 51.8 100% 30.01 0.0
30 02:35 Calm 1.50 Fog/Mist OVC003 51.8 51.8 100% 30.01 0.0
30 02:15 Calm 1.75 Fog/Mist OVC003 51.8 51.8 100% 30.02 0.0
30 01:55 Calm 2.00 Fog/Mist OVC003 51.8 51.8 100% 30.02 0.0
30 01:35 Calm 1.75 Fog/Mist OVC003 51.8 51.8 100% 30.02 0.0
30 01:15 W 5 1.50 Fog/Mist OVC003 51.8 51.8 100% 30.02 0.0
30 00:55 Calm 1.50 Fog/Mist OVC003 51.8 51.8 100% 30.02 0.0
30 00:35 W 5 1.00 Fog/Mist OVC002 51.8 51.8 100% 30.03 0.0
30 00:15 NW 6 0.75 Fog/Mist OVC002 53.6 53.6 100% 30.03 0.0
29 23:55 NW 6 0.75 Fog/Mist OVC003 53.6 53.6 100% 30.04 0.0
29 23:35 NW 7 1.50 Fog/Mist OVC003 53.6 53.6 100% 30.04 0.0
29 23:15 NW 9 1.75 Fog/Mist OVC003 53.6 53.6 100% 30.04 0.0
29 22:55 NW 10 1.75 Fog/Mist OVC003 53.6 53.6 100% 30.04 0.0
29 22:35 NW 8 2.50 Fog/Mist OVC003 53.6 53.6 100% 30.04 0.0
29 22:15 NW 9 3.00 Fog/Mist OVC003 53.6 53.6 100% 30.04 0.0
29 21:55 NW 10 3.00 Fog/Mist OVC003 53.6 53.6 100% 30.04 0.0
29 21:15 NW 8 G 14 4.00 Fog/Mist OVC004 55.4 55.4 100% 30.03 0.0
29 20:55 NW 9 4.00 Fog/Mist OVC004 55.4 55.4 100% 30.03 0.0
29 20:35 NW 8 4.00 Fog/Mist OVC004 55.4 55.4 100% 30.03 0.0
29 20:15 NW 9 3.00 Fog/Mist OVC003 55.4 55.4 100% 30.03 0.0
29 19:55 NW 10 G 16 3.00 Fog/Mist OVC003 55.4 55.4 100% 30.03 0.0
29 19:35 NW 13 G 20 3.00 Fog/Mist OVC004 55.4 55.4 100% 30.03 0.0
29 19:15 NW 13 4.00 Fog/Mist OVC004 55.4 55.4 100% 30.03 0.0
29 18:55 N 12 4.00 Fog/Mist OVC004 55.4 55.4 100% 30.03 0.0
29 18:35 NW 12 4.00 Fog/Mist OVC005 57.2 55.4 94% 30.02 0.0
29 18:15 NW 10 G 17 4.00 Fog/Mist OVC006 57.2 57.2 100% 30.02 0.0
29 17:55 NW 17 4.00 Fog/Mist OVC006 57.2 57.2 100% 30.02 0.0
29 17:35 N 15 4.00 Fog/Mist OVC007 59 57.2 94% 30.03 0.0
29 17:15 NW 18 5.00 Fog/Mist OVC007 59 57.2 94% 30.03 0.0
29 16:55 NW 18 5.00 Fog/Mist SCT009 59 57.2 94% 30.03 0.0
29 16:35 NW 16 G 22 6.00 Fog/Mist CLR 60.8 57.2 88% 30.03 0.0
29 16:15 NW 17 5.00 Fog/Mist CLR 60.8 57.2 88% 30.03 0.0
29 15:55 NW 15 G 22 6.00 Fair with Haze CLR 62.6 57.2 83% 30.04 0.0
29 15:35 NW 15 6.00 Fair with Haze CLR 62.6 57.2 83% 30.04 0.0
29 15:15 NW 15 6.00 Fair with Haze CLR 62.6 57.2 83% 30.05 0.0
29 14:55 NW 15 6.00 Fair with Haze CLR 62.6 57.2 83% 30.05 0.0
29 14:35 NW 15 G 22 6.00 Fair with Haze CLR 62.6 57.2 83% 30.06 0.0
29 14:15 NW 16 6.00 Fair with Haze CLR 62.6 57.2 83% 30.06 0.0
29 13:55 NW 16 7.00 A Few Clouds FEW013 62.6 57.2 83% 30.06 0.0
29 13:35 NW 14 G 21 6.00 Fair with Haze CLR 62.6 57.2 83% 30.07 0.0
29 13:15 NW 13 G 22 7.00 Fair CLR 60.8 55.4 83% 30.08 0.0
29 12:55 NW 14 7.00 Fair CLR 62.6 55.4 77% 30.08 0.0
29 12:35 NW 16 G 22 7.00 Fair CLR 62.6 55.4 77% 30.07 0.0
29 12:15 NW 17 7.00 Fair CLR 62.6 55.4 77% 30.07 0.0
29 11:55 NW 13 6.00 Fair with Haze CLR 60.8 55.4 83% 30.07 0.0
29 11:35 NW 13 G 18 6.00 Fair with Haze CLR 60.8 55.4 83% 30.08 0.0
29 11:15 NW 13 G 18 6.00 Fair with Haze CLR 60.8 55.4 83% 30.08 0.0
29 10:55 NW 14 6.00 A Few Clouds with Haze FEW013 59 55.4 88% 30.07 0.0
29 10:35 NW 14 7.00 A Few Clouds FEW013 59 55.4 88% 30.07 0.0
29 10:15 NW 9 5.00 Fog/Mist SCT013 59 55.4 88% 30.07 0.0
29 09:55 N 8 6.00 Fog/Mist FEW013 59 55.4 88% 30.07 0.0
29 09:35 NW 8 6.00 Fog/Mist CLR 59 55.4 88% 30.07 0.0
29 08:15 Vrbl 3 6.00 Fog/Mist BKN009 OVC013 55.4 55.4 100% 30.06 0.0
29 07:55 NW 6 5.00 Fog/Mist BKN005 OVC009 53.6 53.6 100% 30.06 0.0
29 07:35 NW 9 4.00 Fog/Mist BKN005 BKN011 53.6 53.6 100% 30.06 0.0
29 07:15 NW 10 5.00 Fog/Mist BKN006 OVC010 53.6 53.6 100% 30.06 0.0
29 06:55 N 10 5.00 Fog/Mist BKN005 OVC010 53.6 53.6 100% 30.06 0.0
29 06:35 NW 8 G 15 5.00 Fog/Mist BKN005 OVC009 53.6 53.6 100% 30.06 0.0
29 06:15 NW 15 5.00 Fog/Mist OVC005 53.6 53.6 100% 30.06 0.0
29 05:55 NW 14 5.00 Fog/Mist OVC004 53.6 53.6 100% 30.05 0.0
29 05:35 NW 14 6.00 Fog/Mist OVC005 53.6 53.6 100% 30.05 0.0
29 05:15 NW 10 G 18 6.00 Fog/Mist OVC005 53.6 53.6 100% 30.05 0.0
29 04:35 NW 14 6.00 Fog/Mist OVC005 53.6 53.6 100% 30.05 0.0
29 04:15 NW 9 G 17 5.00 Fog/Mist OVC005 53.6 53.6 100% 30.05 0.0
29 03:55 N 13 G 20 5.00 Fog/Mist OVC004 53.6 53.6 100% 30.05 0.0
29 03:35 NW 14 G 21 5.00 Fog/Mist OVC004 53.6 53.6 100% 30.06 0.0
29 03:15 NW 13 G 18 6.00 Fog/Mist OVC005 53.6 53.6 100% 30.05 0.0
29 02:55 NW 10 6.00 Fog/Mist OVC005 53.6 53.6 100% 30.06 0.0
29 02:15 NW 10 7.00 Overcast OVC007 53.6 53.6 100% 30.07 0.0
29 01:55 NW 10 6.00 Fog/Mist OVC008 53.6 53.6 100% 30.07 0.0
29 01:35 NW 9 6.00 Fog/Mist OVC009 53.6 53.6 100% 30.07 0.0
29 01:15 NW 9 6.00 Fog/Mist OVC009 53.6 53.6 100% 30.07 0.0
29 00:55 NW 8 6.00 Fog/Mist OVC009 53.6 53.6 100% 30.07 0.0
29 00:35 NW 7 7.00 Overcast OVC010 53.6 53.6 100% 30.07 0.0
29 00:15 NW 5 6.00 Fog/Mist OVC010 53.6 53.6 100% 30.08 0.0
28 23:55 W 6 7.00 Overcast OVC010 55.4 53.6 94% 30.07 0.0
28 23:35 NW 6 7.00 Overcast OVC010 55.4 53.6 94% 30.07 0.0
28 23:15 W 5 7.00 Overcast OVC010 55.4 53.6 94% 30.07 0.0
28 22:55 NW 7 7.00 Overcast OVC010 55.4 53.6 94% 30.08 0.0
28 22:35 NW 5 7.00 Overcast OVC010 55.4 53.6 94% 30.08 0.0
28 22:15 Vrbl 5 6.00 Fog/Mist OVC010 55.4 53.6 94% 30.07 0.0
28 21:55 Calm 7.00 Overcast OVC010 55.4 53.6 94% 30.06 0.0
28 21:35 NW 3 7.00 Overcast OVC010 55.4 53.6 94% 30.06 0.0
28 21:15 W 3 5.00 Fog/Mist OVC011 53.6 53.6 100% 30.06 0.0
28 20:55 W 3 6.00 Fog/Mist OVC011 53.6 53.6 100% 30.06 0.0
28 20:35 Calm 5.00 Fog/Mist OVC011 53.6 53.6 100% 30.06 0.0
28 20:15 Calm 5.00 Fog/Mist OVC012 53.6 53.6 100% 30.06 0.0
28 19:55 W 3 6.00 Fog/Mist BKN012 OVC016 55.4 53.6 94% 30.06 0.0
28 19:35 W 6 6.00 Fog/Mist BKN015 55.4 53.6 94% 30.06 0.0
28 19:15 W 7 6.00 Fog/Mist FEW016 55.4 53.6 94% 30.05 0.0
28 18:55 W 6 6.00 Fog/Mist CLR 55.4 51.8 88% 30.04 0.0
28 18:35 W 6 7.00 Fair CLR 57.2 53.6 88% 30.04 0.0
28 18:15 NW 6 5.00 Fair with Haze CLR 57.2 51.8 82% 30.04 0.0
28 17:55 NW 8 6.00 Fair with Haze CLR 57.2 53.6 88% 30.04 0.0
28 17:35 NW 10 7.00 Fair CLR 57.2 53.6 88% 30.05 0.0
28 17:15 NW 9 7.00 Fair CLR 57.2 53.6 88% 30.05 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)