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 (pst) 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.
10 09:15 NW 5 3.00 Fog/Mist CLR 62.6 59 88% 30.2 0.0
10 08:55 W 6 4.00 Fog/Mist CLR 64.4 60.8 88% 30.19 0.0
10 08:35 Calm 7.00 Fair CLR 62.6 60.8 94% 30.19 0.0
10 08:15 Calm 9.00 Fair CLR 57.2 57.2 100% 30.2 0.0
10 07:55 Calm 8.00 Fair CLR 51.8 51.8 100% 30.18 0.0
10 07:35 Calm 8.00 Fair CLR 51.8 51.8 100% 30.17 0.0
10 07:15 Calm 9.00 Fair CLR 50 50 100% 30.16 0.0
10 06:55 Calm 7.00 Fair CLR 48.2 48.2 100% 30.16 0.0
10 06:35 Calm 8.00 Fair CLR 48.2 48.2 100% 30.15 0.0
10 06:15 Calm 9.00 Fair CLR 48.2 48.2 100% 30.15 0.0
10 05:55 Calm 9.00 Fair CLR 50 50 100% 30.14 0.0
10 05:35 Calm 10.00 Fair CLR 48.2 48.2 100% 30.14 0.0
10 05:15 Calm 3.00 Fog/Mist CLR 50 50 100% 30.14 0.0
10 04:55 Calm 9.00 Fair CLR 50 50 100% 30.14 0.0
10 04:35 Calm 9.00 Fair CLR 50 50 100% 30.14 0.0
10 04:15 Calm 9.00 Fair CLR 50 50 100% 30.13 0.0
10 03:55 Calm 9.00 Fair CLR 50 50 100% 30.13 0.0
10 03:35 NE 3 9.00 Fair CLR 50 50 100% 30.14 0.0
10 03:15 Calm 9.00 Fair CLR 50 50 100% 30.14 0.0
10 02:55 Calm 9.00 Fair CLR 50 50 100% 30.14 0.0
10 02:35 Calm 8.00 Fair CLR 50 50 100% 30.15 0.0
10 02:15 Calm 9.00 Fair CLR 50 50 100% 30.15 0.0
10 01:55 Calm 8.00 Fair CLR 51.8 51.8 100% 0 0.0
10 01:35 Calm 8.00 Fair CLR 51.8 51.8 100% 30.15 0.0
10 01:15 Calm 7.00 Fair CLR 51.8 51.8 100% 30.15 0.0
10 00:55 Calm 7.00 Fair CLR 53.6 53.6 100% 30.15 0.0
10 00:35 NE 7 7.00 Fair CLR 51.8 51.8 100% 30.16 0.0
10 00:15 Calm 7.00 Fair CLR 51.8 51.8 100% 30.16 0.0
09 23:55 Calm 6.00 Fog/Mist CLR 51.8 51.8 100% 30.16 0.0
09 23:15 Calm 7.00 Fair CLR 53.6 53.6 100% 30.15 0.0
09 22:55 Calm 8.00 Fair CLR 53.6 53.6 100% 30.16 0.0
09 22:35 Calm 7.00 Fair CLR 53.6 53.6 100% 30.15 0.0
09 22:15 Calm 7.00 Fair CLR 55.4 55.4 100% 30.15 0.0
09 21:55 Calm 7.00 Fair CLR 55.4 55.4 100% 30.14 0.0
09 21:35 Calm 8.00 Fair CLR 57.2 57.2 100% 30.13 0.0
09 21:15 Calm 7.00 Fair CLR 55.4 55.4 100% 30.13 0.0
09 20:55 SE 3 7.00 Fair CLR 57.2 57.2 100% 30.12 0.0
09 20:35 Calm 6.00 Fog/Mist CLR 57.2 57.2 100% 30.12 0.0
09 20:15 Calm 7.00 Fair CLR 59 57.2 94% 30.1 0.0
09 19:55 S 3 6.00 Fog/Mist CLR 59 57.2 94% 30.1 0.0
09 19:35 S 7 8.00 Fair CLR 59 55.4 88% 30.1 0.0
09 19:15 S 6 9.00 Fair CLR 59 55.4 88% 30.09 0.0
09 18:55 Calm 9.00 Fair CLR 59 55.4 88% 30.09 0.0
09 18:35 Calm 8.00 Fair CLR 59 55.4 88% 30.08 0.0
09 18:15 Calm 9.00 Fair CLR 59 55.4 88% 30.07 0.0
09 17:55 Calm 8.00 NULL NULL 59 55.4 88% 30.07 0.0
09 17:15 Calm 6.00 Haze NULL 62.6 57.2 83% 30.07 0.0
09 16:55 Calm 7.00 Fair CLR 62.6 57.2 83% 30.07 0.0
09 16:35 Calm 7.00 Fair CLR 62.6 57.2 83% 30.07 0.0
09 16:15 Calm 7.00 Fair CLR 64.4 57.2 78% 30.07 0.0
09 15:55 S 5 8.00 Fair CLR 68 57.2 69% 30.07 0.0
09 15:35 Calm 9.00 Fair CLR 69.8 53.6 57% 30.07 0.0
09 15:15 W 3 8.00 Fair CLR 69.8 53.6 57% 30.07 0.0
09 14:55 W 6 8.00 Fair CLR 71.6 53.6 53% 30.07 0.0
09 14:35 Calm 9.00 Fair CLR 71.6 51.8 50% 30.07 0.0
09 14:15 NW 5 9.00 Fair CLR 71.6 53.6 53% 30.08 0.0
09 13:55 W 7 8.00 Fair CLR 69.8 53.6 57% 30.08 0.0
09 13:35 W 6 8.00 Fair CLR 71.6 53.6 53% 30.08 0.0
09 13:15 S 5 8.00 Fair CLR 68 57.2 69% 30.08 0.0
09 12:55 SW 6 8.00 Fair CLR 71.6 53.6 53% 30.09 0.0
09 12:35 Calm 8.00 Fair CLR 71.6 53.6 53% 30.09 0.0
09 12:15 Calm 8.00 Fair CLR 69.8 53.6 57% 30.1 0.0
09 11:55 W 7 8.00 Fair CLR 68 55.4 64% 30.1 0.0
09 11:35 SE 6 8.00 Fair CLR 69.8 55.4 60% 30.1 0.0
09 11:15 S 3 8.00 Fair CLR 71.6 53.6 53% 30.1 0.0
09 10:55 Calm 7.00 Fair CLR 69.8 53.6 57% 30.1 0.0
09 10:35 W 5 8.00 Fair CLR 69.8 53.6 57% 30.1 0.0
09 10:15 W 7 8.00 Fair CLR 71.6 51.8 50% 30.09 0.0
09 09:55 Calm 9.00 Fair CLR 71.6 51.8 50% 30.09 0.0
09 09:35 Calm 9.00 Fair CLR 71.6 51.8 50% 30.09 0.0
09 09:15 W 5 5.00 Fair with Haze CLR 71.6 53.6 53% 30.08 0.0
09 08:55 NW 6 7.00 Fair CLR 71.6 51.8 50% 30.08 0.0
09 08:35 Calm 9.00 Fair CLR 66.2 57.2 73% 30.08 0.0
09 08:15 Calm 9.00 Fair CLR 62.6 57.2 83% 30.08 0.0
09 07:55 Calm 9.00 Fair CLR 59 55.4 88% 30.08 0.0
09 07:35 Calm 9.00 Fair CLR 55.4 53.6 94% 30.08 0.0
09 07:15 Calm 8.00 Fair CLR 53.6 51.8 94% 30.07 0.0
09 06:55 Calm 8.00 Fair CLR 51.8 50 94% 30.07 0.0
09 06:35 N 3 9.00 Fair CLR 51.8 50 94% 30.06 0.0
09 06:15 Calm 9.00 Fair CLR 53.6 51.8 94% 30.05 0.0
09 05:55 Calm 10.00 Fair CLR 53.6 50 88% 30.04 0.0
09 05:35 Calm 9.00 Fair CLR 51.8 50 94% 30.04 0.0
09 05:15 Calm 10.00 Fair CLR 53.6 51.8 94% 30.03 0.0
09 04:55 Calm 10.00 Fair CLR 55.4 51.8 88% 30.03 0.0
09 04:35 Calm 10.00 Fair CLR 51.8 50 94% 30.03 0.0
09 04:15 Calm 9.00 Fair CLR 55.4 50 82% 30.03 0.0
09 03:55 Calm 10.00 Fair CLR 53.6 51.8 94% 30.02 0.0
09 03:35 Calm 10.00 Fair CLR 51.8 50 94% 30.02 0.0
09 03:15 Calm 10.00 Fair CLR 53.6 50 88% 30.02 0.0
09 02:55 Calm 10.00 Fair CLR 53.6 50 88% 30.02 0.0
09 02:35 Calm 10.00 Fair CLR 55.4 50 82% 30.02 0.0
09 02:15 Calm 10.00 Fair CLR 53.6 50 88% 30.02 0.0
09 01:55 Calm 10.00 Fair CLR 55.4 50 82% 30.01 0.0
09 01:35 Calm 10.00 Fair CLR 53.6 50 88% 30.01 0.0
09 01:15 Calm 10.00 Fair CLR 53.6 50 88% 30.01 0.0
09 00:55 Calm 10.00 Fair CLR 55.4 50 82% 30.01 0.0
09 00:35 Calm 10.00 Fair CLR 55.4 50 82% 30.01 0.0
09 00:15 Calm 10.00 Fair CLR 53.6 50 88% 30.01 0.0
08 23:55 Calm 10.00 Fair CLR 53.6 50 88% 30.01 0.0
08 23:35 Calm 10.00 Fair CLR 53.6 50 88% 30.01 0.0
08 23:15 NE 3 9.00 Fair CLR 55.4 50 82% 30.01 0.0
08 22:55 Calm 9.00 Fair CLR 55.4 50 82% 30.01 0.0
08 22:35 Calm 10.00 Fair CLR 55.4 50 82% 30.01 0.0
08 22:15 Calm 10.00 Fair CLR 55.4 50 82% 30 0.0
08 21:55 Calm 10.00 Fair CLR 57.2 50 77% 30 0.0
08 21:35 Calm 10.00 Fair CLR 57.2 50 77% 29.99 0.0
08 21:15 Calm 10.00 Fair CLR 57.2 50 77% 29.98 0.0
08 20:55 Calm 10.00 Fair CLR 59 51.8 77% 29.98 0.0
08 20:35 Calm 10.00 Fair CLR 60.8 51.8 72% 29.97 0.0
08 20:15 Calm 10.00 Fair CLR 57.2 51.8 82% 29.97 0.0
08 19:55 Calm 9.00 Fair CLR 57.2 51.8 82% 29.96 0.0
08 19:35 Calm 8.00 Fair CLR 59 53.6 82% 29.96 0.0
08 19:15 Calm 8.00 Fair CLR 57.2 53.6 88% 29.96 0.0
08 18:55 Calm 8.00 Fair CLR 60.8 53.6 77% 29.96 0.0
08 18:35 Calm 9.00 Fair CLR 62.6 53.6 73% 29.96 0.0
08 18:15 Calm 9.00 Fair CLR 62.6 53.6 73% 29.96 0.0
08 17:55 N 7 8.00 Fair CLR 60.8 55.4 83% 29.96 0.0
08 17:35 N 7 8.00 Fair CLR 62.6 57.2 83% 29.96 0.0
08 17:15 N 12 6.00 Fair with Haze CLR 62.6 57.2 83% 29.96 0.0
08 16:55 N 10 G 18 6.00 Fair with Haze CLR 64.4 57.2 78% 29.96 0.0
08 16:35 N 10 6.00 Fair with Haze CLR 66.2 57.2 73% 29.96 0.0
08 16:15 N 13 7.00 Fair CLR 66.2 57.2 73% 29.96 0.0
08 15:55 N 13 8.00 Fair CLR 68 57.2 69% 29.96 0.0
08 15:35 N 13 9.00 Fair CLR 69.8 55.4 60% 29.96 0.0
08 15:15 N 13 8.00 Fair CLR 69.8 55.4 60% 29.96 0.0
08 14:55 N 12 G 17 8.00 Fair CLR 71.6 53.6 53% 29.96 0.0
08 14:35 N 9 10.00 Fair CLR 77 48.2 36% 78 29.96 0.0
08 14:15 NE 12 9.00 Fair CLR 77 46.4 34% 78 29.96 0.0
08 13:55 NE 12 9.00 Fair CLR 77 46.4 34% 78 29.96 0.0
08 13:35 NE 14 10.00 Fair CLR 77 44.6 32% 78 29.97 0.0
08 13:15 NE 12 9.00 Fair CLR 77 44.6 32% 78 29.98 0.0
08 12:55 NE 12 9.00 Fair CLR 77 44.6 32% 78 29.99 0.0
08 12:35 E 10 G 21 9.00 Fair CLR 75.2 44.6 34% 77 30 0.0
08 12:15 NE 7 G 16 9.00 Fair CLR 75.2 44.6 34% 77 30 0.0
08 11:55 NE 10 G 16 10.00 Fair CLR 73.4 44.6 36% 30.01 0.0
08 11:35 NE 10 9.00 Fair CLR 75.2 46.4 36% 77 30.02 0.0
08 11:15 NE 9 9.00 Fair CLR 73.4 48.2 41% 30.02 0.0
08 10:55 NE 8 10.00 Fair CLR 73.4 48.2 41% 30.02 0.0
08 10:35 NE 7 10.00 Fair CLR 73.4 48.2 41% 30.03 0.0
08 10:15 Vrbl 5 7.00 Fair CLR 69.8 53.6 57% 30.03 0.0
08 09:55 NW 5 7.00 Fair CLR 68 55.4 64% 30.03 0.0
08 09:35 NW 3 5.00 Fair with Haze CLR 66.2 55.4 68% 30.03 0.0
08 09:15 Calm 8.00 Fair CLR 66.2 57.2 73% 30.03 0.0
08 08:55 Calm 5.00 Fair with Haze CLR 64.4 57.2 78% 30.03 0.0
08 08:35 Calm 3.00 Fair with Haze CLR 62.6 57.2 83% 30.03 0.0
08 08:15 Calm 8.00 Fair CLR 59 57.2 94% 30.02 0.0
08 07:55 Calm 8.00 Fair CLR 55.4 55.4 100% 30.02 0.0
08 07:35 Calm 8.00 Fair CLR 53.6 53.6 100% 30.02 0.0
08 06:55 Calm 6.00 Fog/Mist CLR 51.8 51.8 100% 30 0.0
08 06:15 Calm 7.00 Fair CLR 50 50 100% 29.99 0.0
08 05:55 Calm 9.00 Fair CLR 50 50 100% 29.99 0.0
08 05:35 Calm 8.00 Fair CLR 50 50 100% 29.99 0.0
08 05:15 Calm 8.00 Fair CLR 50 50 100% 30 0.0
08 04:55 Calm 3.00 Fog/Mist CLR 50 50 100% 30 0.0
08 04:35 Calm 6.00 Fog/Mist CLR 50 50 100% 30 0.0
08 04:15 Calm 8.00 Fair CLR 50 50 100% 30.01 0.0
08 03:55 Calm 7.00 Fair CLR 50 50 100% 30.01 0.0
08 03:15 Calm 6.00 Fog/Mist CLR 50 50 100% 30 0.0
08 02:55 Calm 0.50 Fog VV005 48.2 48.2 100% 30.01 0.0
08 02:35 Calm 4.00 Fog/Mist CLR 50 50 100% 30.01 0.0
08 02:15 Calm 1.25 Fog/Mist CLR 51.8 51.8 100% 30.02 0.0
08 01:55 Calm 3.00 Fog/Mist CLR 51.8 51.8 100% 30.02 0.0
08 01:35 Calm 2.00 Fog/Mist CLR 51.8 51.8 100% 30.02 0.0
08 01:15 Calm 2.00 Fog/Mist CLR 53.6 53.6 100% 30.02 0.0
08 00:55 NW 3 3.00 Fog/Mist CLR 53.6 53.6 100% 30.03 0.0
08 00:35 N 6 3.00 Fog/Mist CLR 53.6 53.6 100% 30.03 0.0
08 00:15 Calm 3.00 Fog/Mist CLR 55.4 55.4 100% 30.03 0.0
07 23:55 N 7 5.00 Fog/Mist CLR 55.4 55.4 100% 30.03 0.0
07 23:35 Vrbl 3 G 13 3.00 Fog/Mist CLR 55.4 55.4 100% 30.03 0.0
07 23:15 N 10 2.50 Fog/Mist CLR 55.4 55.4 100% 30.03 0.0
07 22:55 NW 9 1.50 Fog/Mist CLR 55.4 55.4 100% 30.03 0.0
07 22:35 NW 9 1.75 Fog/Mist CLR 53.6 53.6 100% 30.03 0.0
07 22:15 NW 7 0.50 Fog BKN002 53.6 53.6 100% 30.03 0.0
07 21:55 NW 7 0.25 Fog OVC002 55.4 55.4 100% 30.04 0.0
07 21:35 NW 8 0.75 Fog/Mist BKN002 55.4 55.4 100% 30.04 0.0
07 21:15 NW 6 2.00 Fog/Mist CLR 55.4 55.4 100% 30.04 0.0
07 20:55 NW 8 2.00 Fog/Mist CLR 55.4 55.4 100% 30.04 0.0
07 20:35 W 7 2.00 Fog/Mist FEW002 FEW007 55.4 55.4 100% 30.04 0.0
07 20:15 NW 5 2.50 Fog/Mist FEW002 55.4 55.4 100% 30.04 0.0
07 19:55 NW 5 3.00 Fog/Mist SCT002 55.4 55.4 100% 30.04 0.0
07 19:35 N 3 0.50 Fog OVC002 55.4 55.4 100% 30.05 0.0
07 19:15 Calm 0.25 Fog OVC002 55.4 55.4 100% 30.05 0.0
07 18:55 Calm 0.25 Fog OVC002 55.4 55.4 100% 30.06 0.0
07 18:35 NW 12 0.25 Fog OVC002 55.4 55.4 100% 30.06 0.0
07 18:15 NW 15 1.50 Fog/Mist BKN002 57.2 57.2 100% 30.05 0.0
07 17:55 N 8 4.00 Fog/Mist BKN003 57.2 57.2 100% 30.05 0.0
07 17:35 NW 14 4.00 Fog/Mist BKN003 57.2 57.2 100% 30.05 0.0
07 17:15 NW 13 3.00 Fog/Mist SCT003 57.2 57.2 100% 30.06 0.0
07 16:55 NW 10 5.00 Fog/Mist CLR 57.2 57.2 100% 30.06 0.0
07 16:35 NW 10 6.00 Fog/Mist BKN003 57.2 57.2 100% 30.06 0.0
07 16:15 NW 12 1.75 Fog/Mist OVC003 59 59 100% 30.07 0.0
07 15:55 NW 12 2.50 Fog/Mist BKN003 59 59 100% 30.08 0.0
07 15:15 NW 14 0.50 Fog/Mist OVC003 60.8 60.8 100% 30.08 0.0
07 14:55 NW 13 0.75 Fog/Mist BKN003 60.8 60.8 100% 30.09 0.0
07 14:35 NW 12 6.00 Fog/Mist CLR 62.6 60.8 94% 30.09 0.0
07 14:15 NW 12 7.00 Fair CLR 64.4 60.8 88% 30.1 0.0
07 13:55 NW 9 4.00 Fog/Mist SCT002 62.6 60.8 94% 30.1 0.0
07 13:35 NW 14 1.75 Fog/Mist BKN002 62.6 60.8 94% 30.11 0.0
07 13:15 NW 15 7.00 Fair CLR 64.4 60.8 88% 30.11 0.0
07 12:55 NW 12 6.00 Fog/Mist CLR 64.4 62.6 94% 30.12 0.0
07 12:35 NW 9 9.00 Fair CLR 62.6 62.6 100% 30.13 0.0
07 12:15 NW 13 5.00 Fog/Mist CLR 64.4 62.6 94% 30.14 0.0
07 11:55 NW 8 6.00 Fog/Mist FEW006 64.4 62.6 94% 30.15 0.0
07 11:35 NW 9 8.00 Mostly Cloudy BKN005 62.6 62.6 100% 30.16 0.0
07 11:15 NW 8 1.50 Fog/Mist OVC003 62.6 62.6 100% 30.17 0.0
07 10:55 NW 8 5.00 Fog/Mist FEW003 BKN018 62.6 62.6 100% 30.17 0.0
07 10:35 W 7 3.00 Fog/Mist FEW008 64.4 62.6 94% 30.17 0.0
07 10:15 W 5 2.50 Fog/Mist BKN005 BKN009 64.4 62.6 94% 30.17 0.0
07 09:55 Calm 3.00 Fog/Mist OVC005 62.6 62.6 100% 30.17 0.0
07 09:35 Calm 2.00 Fog/Mist OVC005 62.6 62.6 100% 30.18 0.0
Date Time (pst) 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)