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.
05 20:15 Calm 10.00 Fair CLR 55.4 53.6 94% 30 0.0
05 19:55 Calm 9.00 Fair CLR 55.4 53.6 94% 29.99 0.0
05 19:35 Calm 9.00 Fair CLR 55.4 51.8 88% 30 0.0
05 19:15 Calm 9.00 Fair CLR 55.4 53.6 94% 30 0.0
05 18:55 NW 5 8.00 Fair CLR 55.4 53.6 94% 30 0.0
05 18:35 Calm 6.00 Fog/Mist CLR 57.2 55.4 94% 30 0.0
05 18:15 Calm 5.00 Fog/Mist CLR 57.2 57.2 100% 29.99 0.0
05 17:55 Calm 4.00 Fog/Mist CLR 59 57.2 94% 29.99 0.0
05 17:35 S 6 3.00 Fog/Mist CLR 57.2 57.2 100% 29.99 0.0
05 17:15 Calm 3.00 Fog/Mist NULL 59 59 100% 29.99 0.0
05 16:55 SE 5 0.00 NULL NULL 0 0 0% 29.99 0.0
05 16:35 Vrbl 3 6.00 Fair with Haze CLR 62.6 57.2 83% 29.99 0.0
05 16:15 S 7 7.00 Fair CLR 64.4 59 83% 29.99 0.0
05 15:55 SE 5 6.00 Fair with Haze CLR 64.4 59 83% 29.99 0.0
05 15:35 S 5 6.00 Fair with Haze CLR 66.2 51.8 60% 30 0.0
05 15:15 NW 5 8.00 Fair CLR 69.8 46.4 43% 29.99 0.0
05 14:55 W 6 10.00 Fair CLR 69.8 48.2 46% 30 0.0
05 14:35 NW 6 9.00 Fair CLR 69.8 46.4 43% 30 0.0
05 14:15 W 8 7.00 Fair CLR 69.8 48.2 46% 30 0.0
05 13:55 W 8 9.00 Fair CLR 69.8 48.2 46% 30 0.0
05 13:35 Calm 10.00 Fair CLR 71.6 44.6 38% 30 0.0
05 13:15 Calm 7.00 Fair CLR 68 53.6 60% 30.01 0.0
05 12:55 W 9 7.00 Fair CLR 68 51.8 56% 30.02 0.0
05 12:35 SE 5 8.00 Fair CLR 71.6 46.4 41% 30.02 0.0
05 12:15 Calm 10.00 Fair CLR 71.6 44.6 38% 30.04 0.0
05 11:55 NW 7 7.00 Fair CLR 68 50 53% 30.05 0.0
05 11:35 NW 8 8.00 Fair CLR 69.8 50 50% 30.06 0.0
05 11:15 NW 6 9.00 Fair CLR 68 51.8 56% 30.06 0.0
05 10:55 NW 7 9.00 Fair CLR 66.2 53.6 64% 30.07 0.0
05 10:35 Calm 6.00 Fair with Haze CLR 68 48.2 49% 30.07 0.0
05 10:15 Calm 4.00 Fair with Haze CLR 66.2 51.8 60% 30.06 0.0
05 09:55 Calm 6.00 Fair with Haze CLR 64.4 53.6 68% 30.06 0.0
05 09:35 SE 5 5.00 Fair with Haze CLR 64.4 55.4 73% 30.07 0.0
05 09:15 Calm 6.00 Fair with Haze CLR 62.6 53.6 73% 30.06 0.0
05 08:55 NW 3 8.00 Fair CLR 60.8 53.6 77% 30.06 0.0
05 08:35 Calm 4.00 Fog/Mist CLR 57.2 53.6 88% 30.05 0.0
05 08:15 NW 3 9.00 Fair CLR 50 48.2 94% 30.04 0.0
05 07:55 Calm 10.00 Fair CLR 46.4 46.4 100% 30.03 0.0
05 07:35 Calm 10.00 Fair CLR 46.4 44.6 93% 30.02 0.0
05 07:15 Calm 10.00 Fair CLR 44.6 44.6 100% 30.03 0.0
05 06:55 Calm 10.00 Fair CLR 46.4 44.6 93% 30.03 0.0
05 06:35 Calm 10.00 Fair CLR 46.4 44.6 93% 30.03 0.0
05 06:15 Calm 10.00 Fair CLR 44.6 42.8 93% 30.03 0.0
05 05:55 NE 6 10.00 Fair CLR 48.2 44.6 87% 46 30.04 0.0
05 05:35 NE 5 10.00 Fair CLR 44.6 44.6 100% 43 30.04 0.0
05 05:15 Calm 10.00 Fair CLR 48.2 42.8 82% 30.04 0.0
05 04:55 Calm 10.00 Fair CLR 50 44.6 82% 30.05 0.0
05 04:35 Calm 10.00 Fair CLR 46.4 44.6 93% 30.06 0.0
05 04:15 Calm 10.00 Fair CLR 48.2 44.6 87% 30.05 0.0
05 03:55 Calm 9.00 A Few Clouds FEW003 50 46.4 88% 30.05 0.0
05 03:35 Calm 7.00 Partly Cloudy SCT003 51.8 46.4 82% 30.04 0.0
05 03:15 Calm 8.00 Fair CLR 53.6 44.6 72% 30.04 0.0
05 02:55 Calm 10.00 Fair CLR 51.8 41 67% 30.03 0.0
05 02:35 Calm 10.00 Fair CLR 46.4 41 82% 30.03 0.0
05 02:15 NE 3 10.00 Fair CLR 48.2 41 76% 30.03 0.0
05 01:55 Calm 10.00 Fair CLR 50 42.8 76% 30.03 0.0
05 01:35 NE 3 10.00 Fair CLR 48.2 42.8 82% 30.04 0.0
05 01:15 Calm 10.00 Fair CLR 46.4 42.8 87% 30.05 0.0
05 00:55 Calm 10.00 Fair CLR 50 42.8 76% 30.05 0.0
05 00:35 NE 3 10.00 Fair CLR 50 42.8 76% 30.07 0.0
05 00:15 NE 3 10.00 Fair CLR 51.8 42.8 72% 30.07 0.0
04 23:55 Calm 10.00 Fair CLR 50 42.8 76% 30.07 0.0
04 23:35 N 3 10.00 Fair CLR 50 42.8 76% 30.07 0.0
04 23:15 Calm 10.00 Fair CLR 51.8 42.8 72% 30.07 0.0
04 22:55 Calm 10.00 Fair CLR 50 42.8 76% 30.07 0.0
04 22:35 NE 3 10.00 Fair CLR 50 42.8 76% 30.06 0.0
04 22:15 Calm 10.00 Fair CLR 50 42.8 76% 30.07 0.0
04 21:55 Calm 10.00 Fair CLR 55.4 41 59% 30.08 0.0
04 21:35 Calm 10.00 Fair CLR 51.8 41 67% 30.08 0.0
04 21:15 Calm 10.00 Fair CLR 51.8 44.6 77% 30.08 0.0
04 20:55 Calm 10.00 Fair CLR 53.6 44.6 72% 30.09 0.0
04 20:35 Calm 10.00 Fair CLR 59 41 51% 30.09 0.0
04 20:15 SE 6 10.00 A Few Clouds FEW040 55.4 42.8 63% 30.09 0.0
04 19:55 Calm 10.00 NULL NULL 60.8 41 48% 30.08 0.0
04 19:35 Calm 0.00 NULL NULL 59 41 51% 30.09 0.0
04 19:15 Vrbl 5 10.00 Fair CLR 62.6 46.4 56% 30.09 0.0
04 18:55 NE 5 10.00 Fair CLR 66.2 44.6 46% 30.08 0.0
04 18:35 Calm 10.00 Fair CLR 66.2 48.2 52% 30.08 0.0
04 18:15 E 10 10.00 NULL NULL 66.2 48.2 52% 30.09 0.0
04 17:35 E 9 10.00 Fair CLR 68 48.2 49% 30.08 0.0
04 17:15 E 10 10.00 Fair CLR 69.8 46.4 43% 30.07 0.0
04 16:55 E 6 10.00 Fair CLR 71.6 44.6 38% 30.08 0.0
04 16:35 Vrbl 5 10.00 Fair CLR 71.6 42.8 36% 30.08 0.0
04 16:15 NW 6 10.00 Fair CLR 71.6 42.8 36% 30.08 0.0
04 15:55 NW 6 10.00 Fair CLR 73.4 41 31% 30.08 0.0
04 15:35 NW 5 10.00 Fair CLR 73.4 39.2 29% 30.09 0.0
04 15:15 NW 3 10.00 Fair CLR 73.4 39.2 29% 30.09 0.0
04 14:55 Vrbl 3 10.00 Fair CLR 73.4 39.2 29% 30.1 0.0
04 14:35 W 6 9.00 Fair CLR 73.4 39.2 29% 30.1 0.0
04 14:15 W 6 10.00 Fair CLR 75.2 39.2 27% 77 30.1 0.0
04 13:55 W 5 10.00 Fair CLR 73.4 37.4 27% 30.11 0.0
04 13:35 NE 8 10.00 Fair CLR 78.8 41 26% 78 30.12 0.0
04 13:15 NW 6 10.00 Fair CLR 73.4 41 31% 30.13 0.0
04 12:55 W 5 9.00 Fair CLR 73.4 42.8 33% 30.14 0.0
04 12:35 Calm 10.00 Fair CLR 73.4 42.8 33% 30.15 0.0
04 12:15 W 3 10.00 Fair CLR 71.6 42.8 36% 30.16 0.0
04 11:55 W 6 10.00 Fair CLR 71.6 42.8 36% 30.17 0.0
04 11:35 NW 7 10.00 Fair CLR 71.6 44.6 38% 30.18 0.0
04 11:15 NE 6 10.00 Fair CLR 73.4 41 31% 30.19 0.0
04 10:55 NE 12 G 17 10.00 Fair CLR 71.6 41 33% 30.2 0.0
04 10:35 W 5 10.00 Fair CLR 69.8 44.6 40% 30.2 0.0
04 10:15 Calm 9.00 NULL NULL 68 46.4 46% 30.2 0.0
04 09:55 Calm 9.00 Fair CLR 68 48.2 49% 30.2 0.0
04 09:35 NW 6 6.00 Fair with Haze CLR 64.4 53.6 68% 30.2 0.0
04 09:15 Calm 4.00 Fair with Haze CLR 64.4 53.6 68% 30.2 0.0
04 08:55 Calm 9.00 Fair CLR 62.6 50 64% 30.2 0.0
04 08:35 SE 3 10.00 Fair CLR 60.8 41 48% 30.2 0.0
04 08:15 NE 7 G 13 10.00 Fair CLR 66.2 35.6 32% 30.2 0.0
04 07:55 Calm 10.00 Fair CLR 55.4 35.6 47% 30.2 0.0
04 07:35 NE 5 10.00 Fair CLR 50 39.2 67% 49 30.19 0.0
04 07:15 Calm 10.00 Fair CLR 48.2 35.6 62% 30.19 0.0
04 06:55 Calm 10.00 Fair CLR 55.4 33.8 44% 30.2 0.0
04 06:35 Calm 10.00 Fair CLR 59 32 36% 30.19 0.0
04 06:15 NE 6 10.00 Fair CLR 59 33.8 39% 30.19 0.0
04 05:55 Calm 10.00 Fair CLR 57.2 35.6 44% 30.19 0.0
04 05:35 Calm 10.00 Fair CLR 55.4 35.6 47% 30.19 0.0
04 05:15 Calm 10.00 Fair CLR 53.6 37.4 54% 30.19 0.0
04 04:55 Vrbl 5 10.00 Fair CLR 60.8 35.6 39% 30.19 0.0
04 04:35 Calm 10.00 Fair CLR 55.4 39.2 55% 30.19 0.0
04 04:15 Calm 10.00 Fair CLR 55.4 39.2 55% 30.19 0.0
04 03:55 NE 10 10.00 Fair CLR 62.6 41 45% 30.19 0.0
04 03:35 Calm 10.00 Fair CLR 55.4 42.8 63% 30.19 0.0
04 03:15 Calm 10.00 Fair CLR 50 42.8 76% 30.19 0.0
04 02:55 Calm 10.00 Fair CLR 50 42.8 76% 30.2 0.0
04 02:35 Calm 10.00 Fair CLR 55.4 42.8 63% 30.21 0.0
04 02:15 Calm 10.00 Fair CLR 55.4 42.8 63% 30.22 0.0
04 01:55 Calm 10.00 Fair CLR 50 42.8 76% 30.22 0.0
04 01:35 Calm 10.00 Fair CLR 51.8 44.6 77% 30.22 0.0
04 01:15 NE 3 10.00 Fair CLR 48.2 42.8 82% 30.22 0.0
04 00:55 Calm 10.00 Fair CLR 48.2 42.8 82% 30.23 0.0
04 00:35 E 3 10.00 Fair CLR 51.8 44.6 77% 30.23 0.0
04 00:15 Calm 10.00 Fair CLR 48.2 44.6 87% 30.23 0.0
03 23:55 Calm 10.00 Fair CLR 50 44.6 82% 30.23 0.0
03 23:35 Calm 10.00 Fair CLR 50 44.6 82% 30.24 0.0
03 23:15 Calm 10.00 Fair CLR 48.2 44.6 87% 30.24 0.0
03 22:55 Calm 9.00 Fair CLR 50 46.4 88% 30.23 0.0
03 22:35 NE 5 10.00 Fair CLR 48.2 46.4 94% 47 30.23 0.0
03 22:15 Calm 10.00 Fair CLR 51.8 46.4 82% 30.23 0.0
03 21:55 Calm 10.00 Fair CLR 51.8 46.4 82% 30.23 0.0
03 21:35 NW 3 10.00 Fair CLR 50 46.4 88% 30.23 0.0
03 21:15 Calm 10.00 Fair CLR 55.4 46.4 72% 30.22 0.0
03 20:55 Calm 10.00 Fair CLR 59 46.4 63% 30.22 0.0
03 20:35 Calm 10.00 Fair CLR 57.2 46.4 67% 30.22 0.0
03 20:15 E 9 10.00 Fair CLR 59 48.2 68% 30.22 0.0
03 19:55 Calm 10.00 Fair CLR 57.2 48.2 72% 30.22 0.0
03 19:35 Calm 10.00 Fair CLR 55.4 50 82% 30.21 0.0
03 19:15 Calm 10.00 Fair CLR 55.4 50 82% 30.21 0.0
03 18:55 Calm 10.00 Fair CLR 57.2 50 77% 30.21 0.0
03 18:35 Calm 9.00 Fair CLR 59 50 72% 30.22 0.0
03 18:15 E 5 10.00 Fair CLR 59 50 72% 30.22 0.0
03 17:55 Calm 10.00 Fair CLR 60.8 48.2 63% 30.22 0.0
03 17:35 Calm 10.00 Fair CLR 62.6 50 64% 30.21 0.0
03 17:15 Calm 10.00 Fair CLR 66.2 46.4 49% 30.21 0.0
03 16:55 Calm 10.00 Fair CLR 66.2 46.4 49% 30.21 0.0
03 16:35 Calm 10.00 Fair CLR 68 46.4 46% 30.21 0.0
03 16:15 SW 5 10.00 Fair CLR 69.8 46.4 43% 30.22 0.0
03 15:55 Calm 10.00 Fair CLR 71.6 48.2 44% 30.22 0.0
03 15:35 W 6 10.00 Fair CLR 69.8 48.2 46% 30.22 0.0
03 15:15 Calm 10.00 Fair CLR 71.6 46.4 41% 30.22 0.0
03 14:55 W 3 10.00 Fair CLR 69.8 46.4 43% 30.22 0.0
03 14:35 SW 6 9.00 Fair CLR 71.6 46.4 41% 30.22 0.0
03 14:15 Calm 10.00 Fair CLR 73.4 48.2 41% 30.22 0.0
03 13:55 NE 8 10.00 Fair CLR 71.6 48.2 44% 30.23 0.0
03 13:35 Vrbl 3 10.00 Fair CLR 71.6 48.2 44% 30.23 0.0
03 13:15 SW 7 10.00 Fair CLR 69.8 46.4 43% 30.24 0.0
03 12:55 SW 6 10.00 Fair CLR 71.6 44.6 38% 30.24 0.0
03 12:35 Calm 10.00 Fair CLR 71.6 44.6 38% 30.25 0.0
03 12:15 Vrbl 6 10.00 NULL NULL 69.8 44.6 40% 30.26 0.0
03 11:15 NE 8 10.00 Fair CLR 69.8 44.6 40% 30.27 0.0
03 10:55 NE 13 10.00 NULL NULL 69.8 42.8 38% 30.28 0.0
03 10:35 NE 10 G 18 0.00 NULL NULL 0 0 0% 30.28 0.0
03 10:15 NE 12 10.00 Fair CLR 68 44.6 43% 30.28 0.0
03 09:55 NE 9 10.00 Fair CLR 66.2 46.4 49% 30.28 0.0
03 09:35 Calm 10.00 Fair CLR 0 0 0% 30.28 0.0
03 09:15 Calm 9.00 Fair CLR 64.4 50 60% 30.28 0.0
03 08:55 Calm 4.00 Fog/Mist CLR 57.2 53.6 88% 30.27 0.0
03 08:35 Calm 4.00 Fog/Mist CLR 55.4 51.8 88% 30.27 0.0
03 08:15 Calm 2.00 Fog/Mist CLR 55.4 51.8 88% 30.28 0.0
03 07:55 Calm 7.00 Fair CLR 50 48.2 94% 30.27 0.0
03 07:35 Calm 7.00 Fair CLR 44.6 44.6 100% 30.26 0.0
03 07:15 Calm 2.00 Fog/Mist CLR 44.6 44.6 100% 30.26 0.0
03 06:55 Calm 4.00 Fog/Mist CLR 46.4 46.4 100% 30.25 0.0
03 06:35 Calm 9.00 Fair CLR 46.4 44.6 93% 30.24 0.0
03 06:15 Calm 8.00 Fair CLR 42.8 42.8 100% 30.24 0.0
03 05:55 Calm 7.00 Fair CLR 42.8 42.8 100% 30.24 0.0
03 05:15 Calm 8.00 Fair CLR 44.6 44.6 100% 30.24 0.0
03 04:55 E 5 10.00 Fair CLR 46.4 44.6 93% 45 30.24 0.0
03 04:35 SE 5 9.00 Fair CLR 42.8 42.8 100% 41 30.24 0.0
03 04:15 Calm 10.00 Fair CLR 44.6 44.6 100% 30.24 0.0
03 03:55 Calm 10.00 Fair CLR 44.6 44.6 100% 30.23 0.0
03 03:35 Calm 10.00 Fair CLR 46.4 44.6 93% 30.23 0.0
03 03:15 Calm 9.00 Fair CLR 44.6 44.6 100% 30.23 0.0
03 02:55 Calm 7.00 Fair CLR 44.6 44.6 100% 30.23 0.0
03 02:35 Calm 9.00 Fair CLR 44.6 44.6 100% 30.23 0.0
03 02:15 Calm 3.00 Fog/Mist CLR 44.6 44.6 100% 30.24 0.0
03 01:55 NW 7 10.00 Fair CLR 42.8 42.8 100% 39 30.24 0.0
03 01:35 NE 5 10.00 Fair CLR 44.6 44.6 100% 43 30.24 0.0
03 01:15 Calm 10.00 Fair CLR 44.6 44.6 100% 30.24 0.0
03 00:55 Calm 10.00 Partly Cloudy SCT003 44.6 44.6 100% 30.25 0.0
03 00:35 NE 3 6.00 Fog/Mist OVC003 44.6 44.6 100% 30.26 0.0
03 00:15 Calm 7.00 Overcast OVC003 44.6 44.6 100% 30.26 0.0
02 23:55 Calm 6.00 Fog/Mist BKN003 44.6 44.6 100% 30.25 0.0
02 23:35 Calm 6.00 Fog/Mist SCT003 44.6 44.6 100% 30.25 0.0
02 23:15 Calm 6.00 Fog/Mist BKN003 46.4 46.4 100% 30.25 0.0
02 22:55 Calm 7.00 Mostly Cloudy BKN003 46.4 46.4 100% 30.24 0.0
02 22:35 NE 5 7.00 Fair CLR 48.2 48.2 100% 47 30.24 0.0
02 22:15 NE 3 8.00 Fair CLR 48.2 48.2 100% 30.24 0.0
02 21:55 NE 3 5.00 Fog/Mist CLR 53.6 53.6 100% 30.23 0.0
02 21:35 N 9 5.00 Fog/Mist FEW007 55.4 55.4 100% 30.23 0.0
02 21:15 N 8 5.00 Fog/Mist CLR 55.4 55.4 100% 30.23 0.0
02 20:55 N 7 5.00 Fog/Mist CLR 55.4 55.4 100% 30.22 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)