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.
24 15:15 NW 24 16.09 Fair CLR 20 6 40% 76.35 0.0
24 14:55 NW 20 G 31 16.09 Fair CLR 20 6 40% 76.35 0.0
24 14:35 N 28 16.09 Fair CLR 0 0 0% 76.38 0.0
24 14:15 NW 22 16.09 Fair CLR 21 6 38% 76.4 0.0
24 13:55 NW 19 G 30 16.09 Fair CLR 21 6 38% 76.4 0.0
24 13:35 NW 22 16.09 Fair CLR 20 8 46% 76.4 0.0
24 13:15 NW 20 G 31 16.09 Fair CLR 20 9 49% 76.4 0.0
24 12:55 NW 24 12.87 Fair CLR 19 11 60% 76.4 0.0
24 12:35 NW 22 14.48 Fair CLR 0 0 0% 76.4 0.0
24 12:15 NW 22 12.87 Fair CLR 19 11 60% 76.43 0.0
24 11:55 NW 20 14.48 Fair CLR 19 12 64% 76.43 0.0
24 11:35 NW 19 12.87 Fair CLR 19 12 64% 76.43 0.0
24 11:15 NW 19 14.48 Fair CLR 19 11 60% 76.43 0.0
24 10:55 NW 17 14.48 Fair CLR 18 12 68% 76.43 0.0
24 10:35 NW 17 12.87 Fair CLR 18 13 73% 76.43 0.0
24 10:15 NW 15 12.87 Fair CLR 0 0 0% 76.4 0.0
24 09:55 NW 13 11.27 Fair CLR 18 12 68% 76.4 0.0
24 09:35 NW 9 11.27 Fair CLR 17 13 77% 76.4 0.0
24 09:15 Calm 12.87 Fair CLR 15 12 82% 76.4 0.0
24 08:55 Calm 12.87 Fair CLR 14 12 88% 76.4 0.0
24 08:35 Calm 12.87 Fair CLR 12 10 88% 76.38 0.0
24 08:15 Calm 12.87 Fair CLR 9 9 100% 76.38 0.0
24 07:55 Calm 16.09 Fair CLR 7 7 100% 76.35 0.0
24 07:35 Calm 16.09 Fair CLR 6 6 100% 76.35 0.0
24 07:15 Calm 14.48 Fair CLR 6 6 100% 76.35 0.0
24 06:55 Calm 16.09 Fair CLR 7 7 100% 76.33 0.0
24 06:35 Calm 14.48 Fair CLR 6 6 100% 76.33 0.0
24 06:15 Calm 14.48 Fair CLR 6 6 100% 76.33 0.0
24 05:55 Calm 14.48 Fair CLR 6 6 100% 76.33 0.0
24 05:35 Calm 16.09 Fair CLR 6 6 100% 76.33 0.0
24 05:15 Calm 16.09 Fair CLR 0 0 0% 76.33 0.0
24 04:55 Calm 16.09 Fair CLR 0 0 0% 76.33 0.0
24 04:35 Calm 16.09 Fair CLR 7 6 93% 76.33 0.0
24 04:15 Calm 14.48 Fair CLR 0 0 0% 76.33 0.0
24 03:55 Calm 14.48 Fair CLR 7 6 93% 76.33 0.0
24 03:35 Calm 12.87 Fair CLR 7 6 93% 76.33 0.0
24 03:15 Calm 14.48 Fair CLR 7 6 93% 76.35 0.0
24 02:55 Calm 16.09 Fair CLR 7 6 93% 76.38 0.0
24 02:35 Calm 14.48 Fair CLR 7 6 93% 76.38 0.0
24 02:15 Calm 14.48 Fair CLR 7 6 93% 76.38 0.0
24 01:55 Calm 14.48 Fair CLR 9 7 87% 76.4 0.0
24 01:35 Calm 14.48 Fair CLR 8 6 87% 76.38 0.0
24 01:15 Calm 14.48 Fair CLR 9 6 82% 76.4 0.0
24 00:55 Calm 14.48 Fair CLR 8 6 87% 76.38 0.0
24 00:35 Calm 14.48 Fair CLR 9 6 82% 76.38 0.0
24 00:15 Calm 14.48 Fair CLR 9 6 82% 76.4 0.0
23 23:55 Calm 14.48 Fair CLR 11 7 77% 76.4 0.0
23 23:35 S 6 14.48 Fair CLR 11 6 72% 76.38 0.0
23 23:15 Calm 16.09 Fair CLR 12 5 63% 76.38 0.0
23 22:55 NW 9 16.09 Fair CLR 13 5 59% 76.38 0.0
23 22:35 Calm 16.09 Fair CLR 13 5 59% 76.38 0.0
23 22:15 NW 15 16.09 Fair CLR 13 6 63% 76.38 0.0
23 21:55 N 15 16.09 Fair CLR 14 4 51% 76.38 0.0
23 21:35 NW 17 16.09 Fair CLR 14 4 51% 76.38 0.0
23 21:15 NW 22 16.09 Fair CLR 14 3 48% 76.35 0.0
23 20:55 NW 22 16.09 Fair CLR 15 2 42% 76.35 0.0
23 20:35 NW 20 16.09 Fair CLR 14 3 48% 76.35 0.0
23 20:15 NW 20 16.09 Fair CLR 15 0 36% 76.33 0.0
23 19:55 NW 26 16.09 Fair CLR 15 0 36% 76.3 0.0
23 19:35 NW 17 16.09 Fair CLR 16 -1 31% 76.3 0.0
23 19:15 N 15 16.09 Fair CLR 16 -3 27% 76.3 0.0
23 18:55 N 11 G 24 16.09 Fair CLR 17 -4 24% 76.3 0.0
23 18:35 N 20 G 33 16.09 Fair CLR 0 0 0% 76.3 0.0
23 18:15 N 24 14.48 Fair CLR 18 -3 24% 76.3 0.0
23 17:55 N 26 16.09 Fair CLR 19 -5 19% 76.3 0.0
23 17:35 N 20 16.09 Fair CLR 19 -5 19% 76.33 0.0
23 17:15 N 17 G 31 16.09 Fair CLR 19 -2 24% 76.33 0.0
23 16:55 NW 20 14.48 Fair CLR 19 2 32% 76.33 0.0
23 16:35 N 26 16.09 Fair CLR 19 0 28% 76.33 0.0
23 16:15 NW 24 16.09 Fair CLR 19 4 37% 76.3 0.0
23 15:55 NW 24 16.09 Fair CLR 19 6 43% 76.33 0.0
23 15:35 NW 20 G 31 16.09 Fair CLR 19 7 46% 76.33 0.0
23 15:15 NW 22 16.09 Fair CLR 20 6 40% 76.33 0.0
23 14:55 NW 22 16.09 Fair CLR 19 7 46% 76.33 0.0
23 14:35 NW 24 12.87 Fair CLR 19 10 56% 76.35 0.0
23 14:15 NW 24 G 33 9.66 Fair with Haze CLR 18 11 64% 76.38 0.0
23 13:55 NW 30 G 39 8.05 Fair with Haze CLR 17 13 77% 76.38 0.0
23 13:35 NW 22 8.05 Fair with Haze CLR 17 13 77% 76.38 0.0
23 13:15 N 20 8.05 Fair with Haze CLR 17 13 77% 76.38 0.0
23 12:55 N 28 8.05 Fair with Haze CLR 16 13 83% 76.4 0.0
23 12:35 NW 22 6.44 Fog/Mist CLR 15 13 88% 76.4 0.0
23 12:15 NW 22 6.44 Fair with Haze CLR 16 14 88% 76.38 0.0
23 11:55 NW 11 8.05 Fair with Haze CLR 17 14 83% 76.38 0.0
23 11:35 NW 15 8.05 Fog/Mist CLR 15 13 88% 76.38 0.0
23 11:15 NW 19 6.44 Fog/Mist CLR 15 13 88% 76.4 0.0
23 10:55 NW 20 6.44 Fog/Mist CLR 14 13 94% 76.4 0.0
23 10:35 NW 15 6.44 Fog/Mist CLR 14 13 94% 76.4 0.0
23 10:15 NW 13 6.44 Fog/Mist CLR 14 13 94% 76.38 0.0
23 09:55 NW 17 6.44 Fog/Mist CLR 14 13 94% 76.38 0.0
23 09:35 NW 11 6.44 Fog/Mist CLR 14 13 94% 76.38 0.0
23 09:15 NW 6 6.44 Fog/Mist CLR 13 13 100% 76.35 0.0
23 08:55 Calm 6.44 Fog/Mist CLR 12 12 100% 76.35 0.0
23 08:15 Calm 6.44 Fog/Mist CLR 9 9 100% 76.33 0.0
23 07:55 Calm 6.44 Fog/Mist CLR 8 8 100% 76.33 0.0
23 07:35 Calm 6.44 Fog/Mist CLR 6 6 100% 76.33 0.0
23 07:15 Calm 4.83 Fog/Mist CLR 7 7 100% 76.33 0.0
23 06:55 Calm 9.66 Fog/Mist CLR 7 7 100% 76.33 0.0
23 06:35 Calm 9.66 Fog/Mist CLR 8 8 100% 76.3 0.0
23 06:15 Calm 8.05 Fog/Mist CLR 8 8 100% 76.3 0.0
23 05:55 SE 9 8.05 Fog/Mist CLR 9 9 100% 8 76.3 0.0
23 05:35 N 19 6.44 Fog/Mist CLR 10 10 100% 8 76.33 0.0
23 05:15 N 13 8.05 Fog/Mist CLR 10 10 100% 8 76.33 0.0
23 04:55 Calm 8.05 Fair CLR 0 0 0% 76.3 0.0
23 04:35 N 11 6.44 Fog/Mist CLR 10 10 100% 9 76.33 0.0
23 04:15 Vrbl 9 8.05 Fog/Mist CLR 10 10 100% 9 76.33 0.0
23 03:55 N 11 6.44 Fog/Mist CLR 10 10 100% 9 76.3 0.0
23 03:35 N 13 6.44 Fog/Mist CLR 10 10 100% 8 76.3 0.0
23 03:15 Calm 9.66 Fog/Mist CLR 9 9 100% 76.3 0.0
23 02:55 Calm 8.05 Fair CLR 0 0 0% 76.28 0.0
23 02:35 Calm 8.05 Fog/Mist CLR 11 11 100% 76.3 0.0
23 02:15 Vrbl 7 8.05 Fog/Mist CLR 11 11 100% 76.3 0.0
23 01:55 N 20 G 31 8.05 Fog/Mist CLR 11 11 100% 76.3 0.0
23 01:35 N 13 8.05 Fog/Mist CLR 11 11 100% 76.28 0.0
23 01:15 N 15 G 24 8.05 Fog/Mist CLR 11 11 100% 76.28 0.0
23 00:55 N 13 8.05 Fog/Mist CLR 11 11 100% 76.28 0.0
23 00:35 NW 17 8.05 Fog/Mist CLR 11 11 100% 76.28 0.0
23 00:15 NW 11 6.44 Fair CLR 0 0 0% 76.28 0.0
22 23:55 NW 11 8.05 Fog/Mist CLR 11 11 100% 76.25 0.0
22 23:35 N 15 8.05 Fog/Mist CLR 11 11 100% 76.28 0.0
22 23:15 N 13 G 22 8.05 Fog/Mist CLR 11 11 100% 76.28 0.0
22 22:55 N 15 G 24 8.05 Fog/Mist CLR 11 11 100% 76.28 0.0
22 22:35 Vrbl 7 8.05 Fog/Mist CLR 11 11 100% 76.25 0.0
22 22:15 NW 11 8.05 Fog/Mist CLR 11 11 100% 76.25 0.0
22 21:55 NW 11 8.05 Fog/Mist CLR 11 11 100% 76.28 0.0
22 21:35 NW 15 G 26 8.05 Fog/Mist FEW013 11 11 100% 76.28 0.0
22 21:15 NW 15 9.66 Fog/Mist FEW013 11 11 100% 76.25 0.0
22 20:55 N 17 9.66 Fog/Mist FEW013 11 11 100% 76.25 0.0
22 20:35 N 15 9.66 Fog/Mist SCT013 11 11 100% 76.25 0.0
22 20:15 N 13 G 22 8.05 Fog/Mist FEW013 11 11 100% 76.23 0.0
22 19:55 N 11 8.05 Fog/Mist CLR 11 11 100% 76.23 0.0
22 19:35 N 11 6.44 Fog/Mist CLR 11 11 100% 76.2 0.0
22 19:15 NW 15 6.44 Fog/Mist CLR 12 11 94% 76.2 0.0
22 18:55 N 15 6.44 Fog/Mist CLR 12 11 94% 76.17 0.0
22 18:35 N 19 6.44 Fog/Mist CLR 12 11 94% 76.17 0.0
22 18:15 NW 22 6.44 Fog/Mist CLR 12 11 94% 76.17 0.0
22 17:55 N 15 G 31 6.44 Fog/Mist CLR 13 12 94% 76.17 0.0
22 17:35 NW 28 6.44 Fog/Mist CLR 13 12 94% 76.15 0.0
22 17:15 NW 28 6.44 Fog/Mist CLR 14 12 88% 76.17 0.0
22 16:55 NW 22 8.05 Fog/Mist CLR 15 13 88% 76.17 0.0
22 16:35 NW 26 6.44 Fog/Mist CLR 14 12 88% 76.17 0.0
22 16:15 NW 15 6.44 Fog/Mist CLR 15 13 88% 76.15 0.0
22 15:55 NW 24 6.44 Fog/Mist CLR 14 12 88% 76.17 0.0
22 15:35 NW 22 6.44 Fog/Mist CLR 14 12 88% 76.15 0.0
22 15:15 NW 26 6.44 Fog/Mist CLR 14 13 94% 76.17 0.0
22 14:55 NW 26 6.44 Fair CLR 0 0 0% 76.17 0.0
22 14:35 NW 22 6.44 Fog/Mist CLR 14 13 94% 76.17 0.0
22 14:15 NW 26 6.44 Fog/Mist CLR 15 13 88% 76.2 0.0
22 13:55 NW 19 6.44 Fog/Mist CLR 15 13 88% 76.23 0.0
22 13:35 NW 20 6.44 Fog/Mist CLR 15 13 88% 76.23 0.0
22 13:15 NW 28 6.44 Fog/Mist CLR 14 12 88% 76.28 0.0
22 12:55 NW 26 6.44 Fog/Mist CLR 14 12 88% 76.28 0.0
22 12:35 NW 26 6.44 Fog/Mist CLR 14 12 88% 76.28 0.0
22 12:15 NW 19 6.44 Fog/Mist CLR 14 13 94% 76.28 0.0
22 11:55 N 26 G 35 4.83 Fog/Mist CLR 14 13 94% 76.3 0.0
22 11:35 NW 28 4.83 Fog/Mist CLR 14 13 94% 76.3 0.0
22 11:15 NW 24 6.44 Fog/Mist CLR 14 13 94% 76.28 0.0
22 10:55 NW 20 4.83 Fog/Mist CLR 14 13 94% 76.25 0.0
22 10:35 N 15 4.83 Fog/Mist CLR 14 13 94% 76.25 0.0
22 10:15 N 19 4.83 Fog/Mist CLR 14 13 94% 76.28 0.0
22 09:55 NW 19 4.83 Fog/Mist CLR 13 13 100% 76.28 0.0
22 09:35 NW 15 4.02 Fog/Mist CLR 13 13 100% 76.25 0.0
22 09:15 NW 13 4.02 Fog/Mist CLR 12 12 100% 76.23 0.0
22 08:55 NW 9 4.02 Fog/Mist CLR 12 12 100% 76.25 0.0
22 08:35 Calm 6.44 Fog/Mist CLR 10 10 100% 76.23 0.0
22 08:15 Calm 6.44 Fog/Mist CLR 8 8 100% 76.23 0.0
22 07:55 Calm 6.44 Fog/Mist CLR 7 7 100% 76.2 0.0
22 07:35 Calm 8.05 Fog/Mist CLR 6 6 100% 76.2 0.0
22 07:15 Calm 8.05 Fog/Mist CLR 6 6 100% 76.17 0.0
22 06:55 NE 7 9.66 Fog/Mist CLR 6 6 100% 5 76.17 0.0
22 06:35 Calm 9.66 Fog/Mist CLR 6 6 100% 76.15 0.0
22 06:15 Calm 8.05 Fog/Mist CLR 6 6 100% 76.17 0.0
22 05:55 Calm 8.05 Fog/Mist CLR 6 6 100% 76.15 0.0
22 05:15 NE 6 8.05 Fog/Mist CLR 7 7 100% 76.12 0.0
22 04:55 Calm 6.44 Fog/Mist CLR 8 8 100% 76.12 0.0
22 04:35 E 7 6.44 Fog/Mist FEW010 8 8 100% 7 76.12 0.0
22 04:15 E 6 8.05 Fog/Mist BKN011 9 9 100% 76.15 0.0
22 03:55 E 9 8.05 Fog/Mist OVC011 10 10 100% 9 76.15 0.0
22 03:35 Calm 6.44 Overcast OVC011 0 0 0% 76.17 0.0
22 03:15 Calm 6.44 Fog/Mist OVC012 9 9 100% 76.17 0.0
22 02:55 Calm 6.44 Fog/Mist OVC012 7 7 100% 76.23 0.0
22 02:35 Calm 6.44 Fog/Mist OVC013 7 7 100% 76.2 0.0
22 02:15 Calm 6.44 Fog/Mist BKN013 7 7 100% 76.2 0.0
22 01:55 Calm 6.44 Fog/Mist OVC013 7 7 100% 76.23 0.0
22 01:35 Calm 6.44 Fog/Mist BKN013 8 8 100% 76.25 0.0
22 01:15 Calm 6.44 Fog/Mist BKN013 8 8 100% 76.25 0.0
22 00:55 E 7 6.44 Fog/Mist SCT013 8 8 100% 7 76.28 0.0
22 00:15 Calm 6.44 Fog/Mist FEW013 10 10 100% 76.28 0.0
21 23:55 NW 11 6.44 Fog/Mist FEW014 10 10 100% 9 76.28 0.0
21 23:35 NW 9 6.44 Fog/Mist SCT013 11 11 100% 76.28 0.0
21 23:15 NW 15 6.44 Fog/Mist FEW013 11 11 100% 76.28 0.0
21 22:55 N 17 6.44 Fog/Mist SCT013 11 11 100% 76.28 0.0
21 22:35 N 13 6.44 Fog/Mist SCT013 11 11 100% 76.28 0.0
21 22:15 N 13 6.44 Fog/Mist SCT013 11 11 100% 76.28 0.0
21 21:55 N 17 6.44 Fog/Mist FEW013 11 11 100% 76.28 0.0
21 21:35 NW 19 6.44 Fog/Mist CLR 12 11 94% 76.25 0.0
21 21:15 N 20 G 30 8.05 Fog/Mist CLR 12 11 94% 76.25 0.0
21 20:55 N 26 G 41 8.05 Fog/Mist FEW003 12 11 94% 76.23 0.0
21 20:35 N 22 G 31 8.05 Fair with Haze CLR 13 10 82% 76.23 0.0
21 20:15 NW 26 G 37 8.05 Fog/Mist CLR 12 11 94% 76.2 0.0
21 19:55 NW 19 11.27 Fair CLR 13 9 77% 76.2 0.0
21 19:35 N 13 G 24 9.66 Fair with Haze CLR 13 9 77% 76.2 0.0
21 19:15 N 30 G 43 9.66 Fair with Haze CLR 14 9 72% 76.17 0.0
21 18:55 N 31 G 50 9.66 Fair with Haze CLR 15 9 68% 76.17 0.0
21 18:35 N 37 G 54 8.05 Fair with Haze and Breezy CLR 15 10 72% 76.17 0.0
21 18:15 N 39 G 50 11.27 Fair and Breezy CLR 15 10 72% 76.17 0.0
21 17:55 N 37 G 50 9.66 Fair with Haze and Breezy CLR 16 10 68% 76.17 0.0
21 17:35 N 39 G 48 9.66 Fair with Haze and Breezy CLR 16 10 68% 76.17 0.0
21 17:15 NW 35 G 44 8.05 Fair with Haze and Breezy CLR 16 12 77% 76.17 0.0
21 16:55 N 37 G 54 9.66 Fair with Haze and Breezy CLR 17 11 68% 76.15 0.0
21 16:35 N 41 G 56 9.66 Fair and Breezy CLR 0 0 0% 76.2 0.0
21 16:15 N 33 G 48 11.27 Fair and Breezy CLR 0 0 0% 76.2 0.0
21 15:55 N 28 G 43 12.87 Fair CLR 17 12 73% 76.2 0.0
21 15:35 N 30 G 41 11.27 Fair CLR 17 12 73% 76.2 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)