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
Metric (Imperial)
Date Time (pdt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
19 08:55 Vrbl 7 4.83 Fog/Mist CLR 13 11 88% 76.28 0.0
19 08:35 SE 6 4.83 Fog/Mist CLR 12 11 94% 76.28 0.0
19 08:15 S 6 6.44 Fog/Mist CLR 11 10 94% 76.28 0.0
19 07:55 Calm 6.44 Fog/Mist CLR 11 10 94% 76.25 0.0
19 07:35 Calm 6.44 Fog/Mist CLR 9 9 100% 76.25 0.0
19 07:15 Calm 6.44 Fog/Mist CLR 8 8 100% 76.23 0.0
19 06:55 Calm 8.05 Fair CLR 0 0 0% 76.23 0.0
19 06:35 Calm 8.05 Fog/Mist CLR 5 5 100% 76.2 0.0
19 06:15 Calm 6.44 Fog/Mist FEW003 5 5 100% 76.2 0.0
19 05:55 Calm 8.05 Fog/Mist BKN003 5 5 100% 76.17 0.0
19 05:35 Calm 8.05 Fog/Mist BKN003 5 5 100% 76.17 0.0
19 05:15 Calm 9.66 Fog/Mist BKN003 5 5 100% 76.17 0.0
19 04:55 Calm 9.66 Fog/Mist SCT003 6 6 100% 76.17 0.0
19 04:35 Calm 9.66 Fog/Mist CLR 5 5 100% 76.17 0.0
19 04:15 Calm 9.66 Fog/Mist SCT004 6 6 100% 76.2 0.0
19 03:55 E 7 9.66 Fog/Mist BKN004 6 6 100% 5 76.2 0.0
19 03:35 Calm 9.66 Fog/Mist FEW003 6 6 100% 76.2 0.0
19 03:15 Calm 9.66 Fog/Mist CLR 6 6 100% 76.2 0.0
19 02:55 Calm 11.27 Fair CLR 6 6 100% 76.23 0.0
19 02:35 Calm 9.66 Fog/Mist CLR 6 6 100% 76.23 0.0
19 02:15 Calm 8.05 Fog/Mist CLR 7 6 93% 76.2 0.0
19 01:55 Calm 9.66 Fog/Mist CLR 7 7 100% 76.2 0.0
19 01:35 Calm 9.66 Fog/Mist CLR 7 7 100% 76.23 0.0
19 01:15 Calm 9.66 Fog/Mist CLR 8 7 93% 76.23 0.0
19 00:55 Calm 9.66 Fog/Mist CLR 8 7 93% 76.23 0.0
19 00:35 Calm 9.66 Fog/Mist CLR 8 7 93% 76.23 0.0
19 00:15 Calm 9.66 Fog/Mist CLR 8 7 93% 76.23 0.0
18 23:55 Calm 9.66 Fog/Mist CLR 9 7 87% 76.23 0.0
18 23:35 N 7 12.87 Fair CLR 9 7 87% 8 76.23 0.0
18 23:15 N 7 8.05 Fog/Mist CLR 10 8 88% 9 76.23 0.0
18 22:55 N 7 8.05 Fair with Haze CLR 11 9 88% 76.23 0.0
18 22:35 N 7 8.05 Fair with Haze CLR 12 9 82% 76.2 0.0
18 22:15 Vrbl 7 9.66 Fair with Haze CLR 12 8 77% 76.2 0.0
18 21:55 N 9 9.66 Fair with Haze CLR 12 8 77% 76.2 0.0
18 21:35 NE 6 11.27 Fair CLR 13 8 72% 76.17 0.0
18 21:15 NE 7 G 20 12.87 Fair CLR 0 0 0% 76.15 0.0
18 20:15 NW 28 12.87 Fair CLR 15 5 51% 76.1 0.0
18 19:55 N 28 G 39 14.48 Fair CLR 16 5 48% 76.1 0.0
18 19:35 NW 33 14.48 Fair and Breezy CLR 0 0 0% 76.1 0.0
18 19:15 NW 31 G 43 14.48 Fair CLR 16 6 52% 76.1 0.0
18 18:55 NW 31 G 43 14.48 Fair CLR 17 5 45% 76.07 0.0
18 18:35 NW 30 14.48 Fair CLR 17 5 45% 76.07 0.0
18 18:15 NW 22 14.48 Fair CLR 19 4 37% 76.1 0.0
18 17:55 NW 24 16.09 NULL NULL 19 4 37% 76.1 0.0
18 17:35 NW 31 0.00 NULL NULL 0 0 0% 76.1 0.0
18 17:15 N 20 G 35 14.48 Fair CLR 19 4 37% 76.12 0.0
18 16:55 N 26 G 39 16.09 Fair CLR 19 4 37% 76.12 0.0
18 16:35 NW 33 G 43 16.09 Fair and Breezy CLR 19 4 37% 76.12 0.0
18 16:15 NW 28 14.48 Fair CLR 19 5 40% 76.12 0.0
18 15:55 NW 26 G 35 12.87 Fair CLR 18 6 46% 76.15 0.0
18 15:35 NW 28 G 37 14.48 Fair CLR 19 7 46% 76.15 0.0
18 15:15 NW 28 14.48 Fair CLR 19 7 46% 76.17 0.0
18 14:55 NW 26 11.27 NULL NULL 19 8 49% 76.17 0.0
18 14:35 NW 26 0.00 NULL NULL 0 0 0% 76.17 0.0
18 13:55 NW 26 G 37 16.09 Fair CLR 21 4 33% 76.17 0.0
18 13:25 NW 28 14.48 Fair CLR 21 3 31% 76.17 0.0
18 13:15 NW 26 G 35 12.87 Fair CLR 21 4 33% 76.17 0.0
18 12:15 NW 26 14.48 NULL NULL 19 7 46% 76.17 0.0
18 11:55 W 20 G 33 0.00 NULL NULL 20 6 40% 76.17 0.0
18 11:35 NW 24 0.00 NULL NULL 0 0 0% 76.15 0.0
18 10:55 N 26 G 39 16.09 NULL NULL 23 -3 17% 76.12 0.0
18 10:35 NE 30 0.00 NULL NULL 0 0 0% 76.12 0.0
18 09:55 N 30 G 43 14.48 Fair CLR 22 -2 20% 76.07 0.0
18 09:35 NE 31 G 43 16.09 NULL NULL 22 -2 20% 76.07 0.0
18 07:55 NE 31 G 48 16.09 Fair CLR 20 -3 21% 76 0.0
18 07:35 NE 31 G 46 14.48 Fair CLR 19 -3 22% 76 0.0
18 07:15 NE 31 G 46 16.09 Fair CLR 19 -3 22% 76 0.0
18 06:55 NE 26 G 43 16.09 Fair CLR 19 -3 22% 75.97 0.0
18 06:35 NE 30 G 43 16.09 Fair CLR 18 -3 24% 75.97 0.0
18 06:15 N 30 G 41 16.09 Fair CLR 18 -3 24% 75.97 0.0
18 05:55 N 24 G 41 16.09 Fair CLR 18 -3 24% 75.95 0.0
18 05:35 N 24 G 41 16.09 Fair CLR 18 -3 24% 75.92 0.0
18 05:15 N 22 G 41 16.09 Fair CLR 19 -3 22% 75.92 0.0
18 04:55 N 28 G 48 16.09 Fair CLR 19 -4 21% 75.9 0.0
18 04:35 NE 31 G 44 16.09 Fair CLR 19 -4 21% 75.9 0.0
18 04:15 N 24 G 41 16.09 Fair CLR 19 -4 21% 75.9 0.0
18 03:55 N 26 G 52 16.09 Fair CLR 19 -4 21% 75.87 0.0
18 03:35 N 22 G 37 16.09 Fair CLR 19 -4 21% 75.87 0.0
18 03:15 N 28 G 39 16.09 Fair CLR 18 -4 22% 75.84 0.0
18 02:55 N 20 14.48 Fair CLR 0 0 0% 75.84 0.0
18 02:35 N 22 G 35 16.09 Fair CLR 17 0 32% 75.84 0.0
18 02:15 N 24 16.09 Fair CLR 16 1 36% 75.82 0.0
18 01:55 N 24 G 35 16.09 Fair CLR 15 2 42% 75.84 0.0
18 01:35 N 22 12.87 Fair CLR 14 4 51% 75.87 0.0
18 01:15 N 19 14.48 Fair CLR 0 0 0% 75.87 0.0
18 00:55 N 20 16.09 Fair CLR 15 3 45% 75.87 0.0
18 00:35 N 20 G 35 16.09 Fair CLR 16 3 42% 75.84 0.0
17 21:15 NW 30 6.44 Fair with Haze CLR 12 9 82% 75.82 0.0
17 20:55 N 26 4.83 Fair with Haze CLR 12 9 82% 75.82 0.0
17 20:35 N 28 4.83 Fair with Haze CLR 12 9 82% 75.79 0.0
17 20:15 NW 26 4.83 Fair with Haze CLR 12 9 82% 75.79 0.0
17 19:55 N 26 G 37 4.83 Fair with Haze CLR 13 9 77% 75.79 0.0
17 19:35 N 19 G 37 4.83 Fair with Haze CLR 13 9 77% 75.79 0.0
17 19:15 N 28 G 44 4.83 Fair with Haze CLR 14 9 72% 75.79 0.0
17 18:55 NW 35 4.83 Fair with Haze and Breezy CLR 14 9 72% 75.79 0.0
17 18:35 NW 31 6.44 Fair with Haze CLR 14 9 72% 75.79 0.0
17 18:15 N 33 G 43 6.44 Fair and Breezy CLR 0 0 0% 75.77 0.0
17 17:55 N 30 8.05 Fair with Haze CLR 15 9 68% 75.79 0.0
17 17:35 N 31 G 41 6.44 Fair with Haze CLR 15 9 68% 75.79 0.0
17 17:15 NW 28 G 41 6.44 Fair with Haze CLR 15 9 68% 75.82 0.0
17 16:55 NW 28 G 41 6.44 Fair with Haze CLR 15 9 68% 75.82 0.0
17 16:35 N 31 G 43 6.44 Fair with Haze CLR 15 9 68% 75.84 0.0
17 16:15 NW 31 G 43 6.44 Fair with Haze CLR 15 9 68% 75.84 0.0
17 15:55 N 31 G 46 8.05 Fair with Haze CLR 15 9 68% 75.87 0.0
17 15:35 N 39 G 52 6.44 Fair with Haze and Breezy CLR 15 9 68% 75.87 0.0
17 15:15 N 33 G 43 8.05 Fair with Haze and Breezy CLR 15 9 68% 75.87 0.0
17 14:55 N 28 G 44 6.44 Fair with Haze CLR 16 9 63% 75.87 0.0
17 14:35 N 22 G 41 8.05 Fair with Haze CLR 15 9 68% 75.9 0.0
17 14:15 N 31 G 43 8.05 Fair with Haze CLR 15 9 68% 75.9 0.0
17 13:55 N 31 G 41 8.05 Fair with Haze CLR 15 9 68% 75.92 0.0
17 13:35 NW 22 G 44 8.05 Fair with Haze CLR 15 9 68% 75.95 0.0
17 13:15 N 26 G 37 8.05 Fair CLR 0 0 0% 75.95 0.0
17 12:55 NW 35 G 44 8.05 Fair with Haze and Breezy CLR 14 8 67% 75.97 0.0
17 12:35 N 31 G 46 8.05 Fair with Haze CLR 14 9 72% 75.97 0.0
17 12:15 N 28 G 44 6.44 Fair with Haze CLR 14 9 72% 76 0.0
17 11:55 N 31 G 43 6.44 Fair with Haze CLR 14 9 72% 76 0.0
17 11:35 N 26 G 37 6.44 Fair with Haze CLR 14 9 72% 76 0.0
17 11:15 NW 30 G 39 6.44 Fair with Haze CLR 14 9 72% 76 0.0
17 10:55 N 24 G 39 8.05 Fair with Haze CLR 14 9 72% 76.02 0.0
17 10:35 N 30 G 41 6.44 Fair with Haze CLR 13 9 77% 76 0.0
17 10:15 N 24 G 35 8.05 Fair with Haze CLR 13 9 77% 76.02 0.0
17 09:55 NW 30 6.44 Fair with Haze CLR 13 9 77% 76 0.0
17 09:35 N 28 6.44 Fair with Haze CLR 13 9 77% 75.97 0.0
17 09:15 N 24 6.44 Fair with Haze CLR 12 9 82% 76 0.0
17 08:55 N 22 G 33 8.05 Fair with Haze CLR 12 9 82% 76 0.0
17 08:35 N 17 6.44 Fair with Haze CLR 12 9 82% 76 0.0
17 08:15 N 17 6.44 Fair with Haze CLR 12 9 82% 75.97 0.0
17 07:55 N 13 6.44 Fog/Mist CLR 11 10 94% 75.97 0.0
17 07:35 N 19 4.83 Fog/Mist CLR 11 9 88% 76 0.0
17 07:15 N 15 G 26 4.83 Fog/Mist CLR 10 9 94% 8 75.97 0.0
17 06:55 Vrbl 11 G 24 4.83 Fog/Mist CLR 10 9 94% 9 75.97 0.0
17 06:35 N 17 4.83 Fog/Mist CLR 10 9 94% 8 75.97 0.0
17 06:15 Vrbl 11 4.02 Fog/Mist CLR 10 9 94% 9 75.97 0.0
17 05:55 N 13 G 30 6.44 Fog/Mist CLR 10 9 94% 8 75.97 0.0
17 05:35 N 22 4.83 Fog/Mist CLR 10 9 94% 7 75.97 0.0
17 05:15 N 19 G 35 6.44 Fog/Mist CLR 10 9 94% 8 75.97 0.0
17 04:55 N 15 G 26 6.44 Fog/Mist CLR 10 9 94% 8 76 0.0
17 04:35 N 15 G 26 6.44 Fog/Mist CLR 10 9 94% 8 76 0.0
17 04:15 N 13 G 24 4.83 Fog/Mist CLR 10 9 94% 8 76 0.0
17 03:55 N 15 G 24 6.44 Fog/Mist CLR 10 9 94% 8 76.02 0.0
17 03:35 N 15 G 28 6.44 Fog/Mist CLR 10 9 94% 8 76.02 0.0
17 03:15 N 11 G 22 4.83 Fog/Mist CLR 10 9 94% 9 76.05 0.0
17 02:55 N 13 6.44 Fog/Mist CLR 10 9 94% 8 76.05 0.0
17 02:35 N 9 G 20 4.83 Fog/Mist CLR 10 9 94% 9 76.05 0.0
17 02:15 NE 9 6.44 Fog/Mist CLR 10 9 94% 9 76.05 0.0
17 01:55 N 7 4.83 Fog/Mist CLR 10 9 94% 9 76.05 0.0
17 01:35 N 11 G 24 6.44 Fog/Mist CLR 10 9 94% 9 76.05 0.0
17 01:15 N 17 G 30 4.83 Fog/Mist CLR 10 9 94% 8 76.05 0.0
17 00:55 N 37 G 48 6.44 Fog/Mist and Breezy CLR 10 9 94% 6 76.05 0.0
17 00:35 N 30 G 46 4.83 Fog/Mist CLR 10 9 94% 7 76.1 0.0
17 00:15 N 30 G 43 4.83 Fog/Mist CLR 10 9 94% 7 76.12 0.0
16 23:55 N 28 4.83 Fog/Mist CLR 11 9 88% 76.12 0.0
16 23:35 N 26 6.44 Fog/Mist CLR 11 9 88% 76.15 0.0
16 23:15 N 31 6.44 Fog/Mist CLR 11 9 88% 76.15 0.0
16 22:55 N 24 4.83 Fog/Mist CLR 11 9 88% 76.17 0.0
16 22:35 N 28 6.44 Fog/Mist CLR 11 9 88% 76.15 0.0
16 22:15 N 26 G 39 6.44 Fog/Mist CLR 0 0 0% 76.15 0.0
16 21:55 N 26 G 39 4.83 Fog/Mist CLR 11 9 88% 76.12 0.0
16 21:35 N 28 G 39 6.44 Fog/Mist FEW015 11 9 88% 76.15 0.0
16 21:15 N 26 G 39 6.44 Fog/Mist FEW015 11 9 88% 76.12 0.0
16 20:55 N 33 G 48 6.44 A Few Clouds and Breezy FEW015 FEW020 0 0 0% 76.12 0.0
16 20:35 N 35 G 44 6.44 Fog/Mist and Breezy SCT015 SCT020 11 9 88% 76.12 0.0
16 20:15 N 26 4.83 A Few Clouds with Haze FEW015 11 9 88% 76.15 0.0
16 19:55 N 24 G 37 4.83 Fair with Haze CLR 12 8 77% 76.15 0.0
16 19:35 N 22 G 33 4.83 Fair with Haze CLR 12 9 82% 76.12 0.0
16 19:15 N 35 G 52 4.83 Fair with Haze and Breezy CLR 12 9 82% 76.15 0.0
16 18:55 N 37 G 50 4.83 Fair with Haze and Breezy CLR 12 9 82% 76.12 0.0
16 18:35 N 41 G 56 4.83 Fair with Haze and Breezy CLR 13 9 77% 76.15 0.0
16 18:15 NW 46 6.44 Fair with Haze and Windy CLR 13 9 77% 76.15 0.0
16 17:55 N 35 G 57 6.44 Fair with Haze and Breezy CLR 13 9 77% 76.17 0.0
16 17:35 N 37 G 56 4.83 Fair with Haze and Breezy CLR 13 9 77% 76.17 0.0
16 17:15 N 41 G 54 6.44 Fair with Haze and Breezy CLR 14 9 72% 76.17 0.0
16 16:55 N 37 G 48 6.44 Fair with Haze and Breezy CLR 14 9 72% 76.2 0.0
16 16:35 N 39 G 54 6.44 Fair with Haze and Breezy CLR 14 9 72% 76.2 0.0
16 16:15 N 31 G 54 6.44 Fair with Haze CLR 14 9 72% 76.23 0.0
16 15:55 N 33 G 50 6.44 Fair with Haze and Breezy CLR 14 9 72% 76.23 0.0
16 15:35 N 41 G 50 6.44 Fair with Haze and Breezy CLR 15 10 72% 76.25 0.0
16 15:15 N 33 G 48 6.44 Fair with Haze and Breezy CLR 14 10 77% 76.25 0.0
16 14:55 NW 33 G 44 8.05 Fair with Haze and Breezy CLR 15 10 72% 76.28 0.0
16 14:35 N 37 G 52 6.44 Fair with Haze and Breezy CLR 15 9 68% 76.3 0.0
16 14:15 N 31 G 50 8.05 Fair with Haze CLR 15 9 68% 76.33 0.0
16 13:55 N 28 G 48 6.44 Fair with Haze CLR 15 10 72% 76.3 0.0
16 13:35 NW 35 G 48 8.05 Fair with Haze and Breezy CLR 15 10 72% 76.3 0.0
16 13:15 NW 31 G 44 8.05 Fair with Haze CLR 15 10 72% 76.33 0.0
16 12:55 N 26 G 50 6.44 Fair with Haze CLR 15 10 72% 76.33 0.0
16 12:35 N 30 G 44 8.05 Fair with Haze CLR 15 10 72% 76.35 0.0
16 12:15 N 30 G 44 8.05 Fair with Haze CLR 15 10 72% 76.33 0.0
16 11:55 N 33 G 48 9.66 Fair with Haze and Breezy CLR 15 10 72% 76.35 0.0
16 11:35 N 31 G 43 8.05 Fair with Haze CLR 15 10 72% 76.38 0.0
16 11:15 N 30 G 43 8.05 Fair with Haze CLR 14 10 77% 76.38 0.0
16 10:55 N 35 G 48 8.05 Fair with Haze and Breezy CLR 14 10 77% 76.38 0.0
16 10:35 N 31 G 44 6.44 Fair with Haze CLR 14 10 77% 76.35 0.0
16 10:15 NW 28 G 43 9.66 Fair with Haze CLR 14 10 77% 76.38 0.0
16 09:55 N 24 G 44 8.05 Fair with Haze CLR 14 10 77% 76.35 0.0
16 09:35 N 26 G 41 8.05 Fair with Haze CLR 14 10 77% 76.35 0.0
16 09:15 N 20 G 41 8.05 Fair with Haze CLR 13 10 82% 76.35 0.0
Date Time (pdt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)