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.
29 14:15 S 7 12.87 Fair CLR 19 9 52% 75.9 0.0
29 13:55 Vrbl 7 11.27 Fair CLR 19 11 60% 75.92 0.0
29 13:35 SW 7 11.27 Fair CLR 19 10 56% 75.92 0.0
29 13:15 S 7 11.27 Fair CLR 19 10 56% 75.95 0.0
29 12:55 Calm 11.27 Fair CLR 18 12 68% 75.97 0.0
29 12:35 Calm 11.27 Fair CLR 18 11 64% 75.97 0.0
29 12:15 Vrbl 7 11.27 Fair CLR 18 12 68% 76 0.0
29 11:55 Calm 11.27 Fair CLR 17 11 68% 76 0.0
29 11:35 Calm 11.27 Fair CLR 17 11 68% 76 0.0
29 11:15 W 9 9.66 Fair with Haze CLR 17 9 60% 76 0.0
29 10:55 Vrbl 6 12.87 Fair CLR 19 12 64% 76.02 0.0
29 10:35 Calm 14.48 Fair CLR 18 6 46% 76 0.0
29 10:15 Calm 11.27 Fair CLR 17 8 56% 76 0.0
29 09:55 Calm 6.44 Fair with Haze CLR 16 8 59% 76.02 0.0
29 09:35 Calm 11.27 Fair CLR 0 0 0% 76.02 0.0
29 09:15 Calm 14.48 Fair CLR 13 11 88% 76 0.0
29 08:55 Calm 12.87 Fair CLR 11 9 88% 76 0.0
29 08:35 Calm 12.87 Fair CLR 11 8 82% 75.97 0.0
29 08:15 E 7 11.27 Fair CLR 9 8 94% 8 75.97 0.0
29 07:55 Calm 12.87 Fair CLR 8 7 93% 75.97 0.0
29 07:35 Calm 14.48 A Few Clouds FEW003 7 6 93% 75.97 0.0
29 07:15 Calm 14.48 Fair CLR 7 7 100% 75.97 0.0
29 06:55 Calm 14.48 Fair CLR 0 0 0% 75.97 0.0
29 06:35 Calm 14.48 Fair CLR 9 7 87% 75.97 0.0
29 06:15 Calm 16.09 Fair CLR 8 7 93% 75.97 0.0
29 05:55 Calm 14.48 Fair CLR 9 7 87% 75.97 0.0
29 05:35 NE 7 14.48 Fair CLR 9 7 87% 8 75.97 0.0
29 05:15 Calm 16.09 Fair CLR 9 7 87% 75.97 0.0
29 04:55 Calm 16.09 Fair CLR 8 7 93% 75.97 0.0
29 04:35 Calm 14.48 Fair CLR 9 7 87% 75.97 0.0
29 04:15 E 6 14.48 Fair CLR 8 7 93% 76 0.0
29 03:55 Calm 14.48 Fair CLR 8 7 93% 76 0.0
29 03:35 Calm 16.09 Fair CLR 8 6 87% 76 0.0
29 03:15 Calm 14.48 Fair CLR 8 6 87% 76 0.0
29 02:55 NE 9 14.48 Fair CLR 8 6 87% 7 76.02 0.0
29 02:35 Calm 14.48 Fair CLR 7 6 93% 76.05 0.0
29 02:15 Calm 14.48 Fair CLR 8 6 87% 76.05 0.0
29 01:55 Calm 14.48 Fair CLR 7 6 93% 76.07 0.0
29 01:35 Calm 14.48 Fair CLR 7 6 93% 76.1 0.0
29 01:15 Calm 14.48 Fair CLR 7 6 93% 76.1 0.0
29 00:55 Calm 14.48 Fair CLR 7 6 93% 76.1 0.0
29 00:35 Calm 14.48 Fair CLR 7 6 93% 76.1 0.0
29 00:15 Calm 14.48 Fair CLR 0 0 0% 76.12 0.0
28 23:55 Calm 14.48 Fair CLR 7 6 93% 76.1 0.0
28 23:35 Calm 14.48 Fair CLR 7 6 93% 76.12 0.0
28 23:15 Calm 14.48 Fair CLR 8 6 87% 76.12 0.0
28 22:55 Calm 14.48 Fair CLR 9 6 82% 76.15 0.0
28 22:35 Calm 14.48 Fair CLR 9 6 82% 76.15 0.0
28 22:15 Calm 16.09 Fair CLR 8 7 93% 76.15 0.0
28 21:55 Calm 14.48 Fair CLR 9 6 82% 76.15 0.0
28 21:35 Calm 14.48 Fair CLR 0 0 0% 76.15 0.0
28 21:15 E 6 14.48 Fair CLR 9 7 87% 76.12 0.0
28 20:55 Calm 14.48 Fair CLR 10 8 88% 76.12 0.0
28 20:35 Calm 14.48 Fair CLR 12 9 82% 76.12 0.0
28 20:15 Calm 12.87 Fair CLR 12 9 82% 76.12 0.0
28 19:55 N 7 14.48 Fair CLR 14 11 82% 76.12 0.0
28 19:35 N 7 12.87 Fair CLR 0 0 0% 76.12 0.0
28 19:15 Vrbl 9 12.87 Fair CLR 15 12 82% 76.1 0.0
28 18:55 Vrbl 7 11.27 Fair CLR 15 13 88% 76.1 0.0
28 18:35 N 11 11.27 Fair CLR 15 12 82% 76.12 0.0
28 18:15 N 19 11.27 Fair CLR 15 12 82% 76.1 0.0
28 17:55 N 17 11.27 Fair CLR 16 12 77% 76.12 0.0
28 17:35 N 19 9.66 Fair with Haze CLR 16 13 83% 76.12 0.0
28 17:15 N 20 11.27 Fair CLR 17 13 77% 76.12 0.0
28 16:55 N 19 11.27 Fair CLR 17 13 77% 76.12 0.0
28 16:35 N 20 12.87 Fair CLR 17 12 73% 76.15 0.0
28 16:15 N 20 12.87 Fair CLR 0 0 0% 76.15 0.0
28 15:55 N 22 11.27 Fair CLR 18 12 68% 76.15 0.0
28 15:35 N 24 11.27 Fair CLR 18 12 68% 76.15 0.0
28 15:15 N 28 12.87 Fair CLR 18 12 68% 76.15 0.0
28 14:55 NW 26 12.87 Fair CLR 18 13 73% 76.17 0.0
28 14:35 NW 26 11.27 Fair CLR 18 12 68% 76.17 0.0
28 14:15 NW 28 14.48 Fair CLR 18 12 68% 76.17 0.0
28 13:55 NW 28 12.87 Fair CLR 18 9 56% 76.2 0.0
28 13:35 NW 26 12.87 Fair CLR 19 8 49% 76.23 0.0
28 13:15 NW 24 12.87 Fair CLR 19 9 52% 76.23 0.0
28 12:55 NW 24 14.48 Fair CLR 19 8 49% 76.25 0.0
28 12:35 NW 19 14.48 Fair CLR 19 10 56% 76.28 0.0
28 12:15 NW 20 12.87 Fair CLR 18 10 60% 76.3 0.0
28 11:55 NW 19 12.87 Fair CLR 18 11 64% 76.3 0.0
28 11:35 NW 19 11.27 Fair CLR 18 11 64% 76.33 0.0
28 11:15 NW 19 12.87 Fair CLR 0 0 0% 76.33 0.0
28 10:55 N 15 11.27 Fair CLR 0 0 0% 76.33 0.0
28 10:35 Calm 12.87 Fair CLR 18 7 49% 76.33 0.0
28 10:15 Vrbl 9 14.48 Fair CLR 0 0 0% 76.33 0.0
28 09:55 NE 19 12.87 Fair CLR 17 6 49% 76.33 0.0
28 09:35 NE 17 12.87 Fair CLR 16 6 52% 76.3 0.0
28 08:55 NE 13 G 22 12.87 Fair CLR 15 7 59% 76.28 0.0
28 08:35 NE 15 G 26 11.27 Fair CLR 14 7 63% 76.25 0.0
28 08:15 NE 11 G 24 11.27 Fair CLR 14 7 63% 76.23 0.0
28 07:55 NE 15 14.48 Fair CLR 14 8 67% 76.23 0.0
28 07:35 Calm 12.87 Fair CLR 13 8 72% 76.23 0.0
28 07:15 E 7 14.48 Fair CLR 12 9 82% 76.2 0.0
28 06:55 Calm 12.87 Fair CLR 10 9 94% 76.2 0.0
28 06:35 Calm 12.87 Fair CLR 9 9 100% 76.2 0.0
28 06:15 Calm 12.87 Fair CLR 10 10 100% 76.2 0.0
28 05:55 Calm 12.87 A Few Clouds FEW048 10 10 100% 76.2 0.0
28 05:35 Calm 12.87 A Few Clouds FEW048 10 9 94% 76.2 0.0
28 05:15 Calm 11.27 A Few Clouds FEW044 9 9 100% 76.17 0.0
28 04:55 Calm 12.87 A Few Clouds FEW004 FEW045 7 7 100% 76.2 0.0
28 04:35 NE 6 14.48 A Few Clouds FEW045 7 7 100% 76.2 0.0
28 03:55 Calm 14.48 Fair CLR 7 7 100% 76.2 0.0
28 03:35 Calm 12.87 Fair CLR 6 6 100% 76.2 0.0
28 03:15 Calm 14.48 Fair CLR 7 7 100% 76.2 0.0
28 02:55 Calm 12.87 Fair CLR 7 7 100% 76.23 0.0
28 02:35 NE 7 12.87 Fair CLR 8 8 100% 7 76.23 0.0
28 02:15 NE 6 14.48 Fair CLR 8 8 100% 76.23 0.0
28 01:55 Calm 12.87 Fair CLR 8 8 100% 76.23 0.0
28 01:35 Calm 11.27 Fair CLR 8 8 100% 76.25 0.0
28 01:15 Calm 11.27 Fair CLR 8 8 100% 76.23 0.0
28 00:55 Calm 11.27 Fair CLR 9 9 100% 76.23 0.0
28 00:35 NE 7 11.27 Fair CLR 9 9 100% 8 76.23 0.0
27 23:55 NE 7 11.27 Fair CLR 9 9 100% 8 76.23 0.0
27 23:35 Calm 11.27 Fair CLR 10 10 100% 76.25 0.0
27 22:55 NE 7 11.27 Fair CLR 10 10 100% 9 76.25 0.0
27 22:35 Calm 9.66 Fog/Mist CLR 10 10 100% 76.25 0.0
27 22:15 Calm 9.66 Fog/Mist CLR 11 11 100% 76.25 0.0
27 21:55 Calm 9.66 Fog/Mist CLR 12 11 94% 76.23 0.0
27 21:35 Calm 9.66 Fog/Mist CLR 13 12 94% 76.23 0.0
27 21:15 N 9 9.66 Fog/Mist CLR 14 13 94% 76.23 0.0
27 20:55 N 13 9.66 Fog/Mist CLR 14 13 94% 76.2 0.0
27 20:35 N 19 8.05 Fog/Mist CLR 14 13 94% 76.2 0.0
27 20:15 N 13 G 28 9.66 Fog/Mist FEW014 FEW021 15 13 88% 76.2 0.0
27 19:55 N 19 9.66 Fog/Mist FEW018 15 13 88% 76.2 0.0
27 19:35 N 17 G 28 9.66 Fog/Mist FEW017 15 13 88% 76.2 0.0
27 19:15 N 15 G 24 9.66 Fog/Mist SCT017 15 13 88% 76.2 0.0
27 18:55 N 17 G 28 11.27 Partly Cloudy SCT017 15 13 88% 76.2 0.0
27 18:35 N 13 9.66 Fog/Mist BKN019 15 13 88% 76.2 0.0
27 18:15 N 19 G 30 8.05 Partly Cloudy with Haze SCT019 15 13 88% 76.2 0.0
27 17:55 N 26 8.05 Partly Cloudy with Haze SCT019 SCT026 16 13 83% 76.2 0.0
27 17:35 N 26 9.66 A Few Clouds with Haze FEW021 16 13 83% 76.2 0.0
27 17:15 N 22 G 31 8.05 A Few Clouds FEW022 0 0 0% 76.2 0.0
27 16:55 NW 22 9.66 Fair with Haze CLR 17 12 73% 76.23 0.0
27 16:35 N 24 9.66 Fair with Haze CLR 17 11 68% 76.23 0.0
27 16:15 NW 24 G 39 9.66 Fair with Haze CLR 17 11 68% 76.23 0.0
27 15:55 N 28 11.27 Fair CLR 17 11 68% 76.25 0.0
27 15:35 NW 28 9.66 Fair with Haze CLR 18 10 60% 76.25 0.0
27 15:15 NW 26 11.27 Fair CLR 17 10 64% 76.28 0.0
27 14:55 N 22 G 33 9.66 Fair with Haze CLR 17 10 64% 76.28 0.0
27 14:35 NW 26 11.27 A Few Clouds FEW028 17 10 64% 76.28 0.0
27 14:15 N 26 11.27 A Few Clouds FEW028 18 10 60% 76.3 0.0
27 13:55 N 22 G 33 12.87 Fair CLR 17 10 64% 76.3 0.0
27 13:35 NW 24 11.27 Fair CLR 17 10 64% 76.33 0.0
27 13:15 NW 26 12.87 Fair CLR 17 10 64% 76.33 0.0
27 12:55 N 24 12.87 Fair CLR 17 10 64% 76.33 0.0
27 12:35 NW 20 G 33 12.87 Partly Cloudy SCT027 17 9 60% 76.35 0.0
27 12:15 N 22 12.87 Overcast OVC027 0 0 0% 76.38 0.0
27 11:55 NW 19 11.27 Mostly Cloudy BKN027 17 10 64% 76.38 0.0
27 11:35 NW 19 11.27 A Few Clouds FEW026 17 11 68% 76.4 0.0
27 11:15 N 19 9.66 Fair with Haze CLR 16 11 72% 76.38 0.0
27 10:55 N 17 G 26 12.87 Fair CLR 16 11 72% 76.4 0.0
27 10:35 NW 15 G 24 11.27 Fair CLR 16 11 72% 76.38 0.0
27 10:15 NW 13 11.27 Fair CLR 0 0 0% 76.38 0.0
27 09:55 N 20 9.66 A Few Clouds with Haze FEW027 16 11 72% 76.38 0.0
27 09:35 NW 26 G 35 9.66 Mostly Cloudy with Haze BKN027 16 10 68% 76.38 0.0
27 09:15 N 19 G 31 9.66 Mostly Cloudy with Haze BKN027 BKN032 15 11 77% 76.38 0.0
27 08:55 N 24 G 33 9.66 Mostly Cloudy with Haze SCT027 BKN033 15 11 77% 76.38 0.0
27 08:35 NW 28 9.66 Mostly Cloudy with Haze SCT028 BKN036 15 10 72% 76.38 0.0
27 08:15 NW 24 9.66 Mostly Cloudy FEW026 BKN036 0 0 0% 76.35 0.0
27 07:55 NW 20 G 31 8.05 Mostly Cloudy with Haze SCT026 BKN035 15 10 72% 76.35 0.0
27 07:35 NW 24 9.66 Mostly Cloudy FEW026 BKN034 BKN039 0 0 0% 76.35 0.0
27 07:15 NW 22 G 31 11.27 Overcast FEW026 OVC035 14 11 82% 76.35 0.0
27 06:55 N 17 G 28 11.27 Overcast FEW022 FEW028 OVC037 15 12 82% 76.33 0.0
27 06:35 NW 22 G 35 12.87 Overcast OVC037 15 11 77% 76.33 0.0
27 06:15 N 26 11.27 Overcast FEW024 FEW028 OVC038 15 11 77% 76.33 0.0
27 05:55 N 22 12.87 Overcast FEW023 OVC039 15 11 77% 76.33 0.0
27 05:35 NW 20 G 30 12.87 Overcast SCT023 OVC038 15 12 82% 76.35 0.0
27 05:15 NW 19 G 30 12.87 Overcast FEW024 FEW028 OVC039 15 12 82% 76.35 0.0
27 04:55 NW 22 G 31 12.87 Overcast FEW026 OVC040 15 11 77% 76.35 0.0
27 04:35 NW 28 12.87 Overcast FEW027 OVC038 15 11 77% 76.35 0.0
27 04:15 N 20 12.87 Mostly Cloudy FEW027 BKN039 14 10 77% 76.38 0.0
27 03:55 NW 26 12.87 Overcast BKN035 OVC041 14 10 77% 76.38 0.0
27 03:35 NW 24 14.48 Overcast FEW026 OVC034 14 10 77% 76.4 0.0
27 03:15 NW 20 12.87 Mostly Cloudy SCT030 BKN036 14 9 72% 76.43 0.0
27 02:55 NW 22 12.87 Overcast OVC035 14 10 77% 76.43 0.0
27 02:35 NW 15 G 26 12.87 Mostly Cloudy BKN034 14 10 77% 76.43 0.0
27 02:15 NW 19 G 31 12.87 Mostly Cloudy BKN033 BKN039 15 10 72% 76.45 0.0
27 01:55 NW 22 G 31 12.87 Partly Cloudy SCT029 SCT034 SCT039 15 10 72% 76.45 0.0
27 01:35 NW 22 G 37 11.27 A Few Clouds FEW027 0 0 0% 76.43 0.0
27 01:15 NW 28 11.27 A Few Clouds FEW027 15 11 77% 76.43 0.0
27 00:55 NW 24 12.87 A Few Clouds FEW026 15 11 77% 76.43 0.0
27 00:35 N 24 G 33 12.87 A Few Clouds FEW025 15 11 77% 76.43 0.0
27 00:15 NW 20 G 35 14.48 A Few Clouds FEW026 15 11 77% 76.45 0.0
26 23:55 NW 22 12.87 A Few Clouds FEW025 15 11 77% 76.45 0.0
26 23:35 NW 24 G 35 14.48 Fair CLR 15 11 77% 76.45 0.0
26 23:15 NW 22 G 37 14.48 Fair CLR 15 11 77% 76.45 0.0
26 22:55 NW 26 G 37 12.87 Fair CLR 15 11 77% 76.45 0.0
26 22:35 NW 24 G 33 14.48 A Few Clouds FEW025 15 11 77% 76.45 0.0
26 22:15 NW 24 G 33 14.48 Partly Cloudy SCT025 15 11 77% 76.43 0.0
26 21:55 NW 22 G 33 12.87 Mostly Cloudy BKN024 15 12 82% 76.45 0.0
26 21:15 NW 22 14.48 Partly Cloudy SCT023 15 12 82% 76.45 0.0
26 20:55 NW 22 G 31 14.48 Partly Cloudy SCT021 15 13 88% 76.43 0.0
26 20:35 NW 24 12.87 Mostly Cloudy BKN021 15 13 88% 76.45 0.0
26 20:15 NW 19 14.48 A Few Clouds FEW021 15 13 88% 76.45 0.0
26 19:55 N 19 G 30 12.87 Partly Cloudy SCT021 15 13 88% 76.45 0.0
26 19:35 N 19 G 30 14.48 Overcast OVC021 15 13 88% 76.45 0.0
26 19:15 N 19 14.48 Mostly Cloudy BKN022 15 13 88% 76.45 0.0
26 18:55 NW 15 14.48 A Few Clouds FEW021 15 13 88% 76.43 0.0
26 18:35 NW 17 G 28 14.48 A Few Clouds FEW020 15 13 88% 76.43 0.0
26 18:15 NW 19 12.87 A Few Clouds FEW020 15 13 88% 76.43 0.0
26 17:55 NW 22 12.87 Fair CLR 16 12 77% 76.43 0.0
26 17:35 NW 24 12.87 Partly Cloudy SCT018 16 12 77% 76.45 0.0
26 17:15 NW 24 12.87 Mostly Cloudy BKN017 17 13 77% 76.45 0.0
26 16:55 NW 15 14.48 Partly Cloudy FEW013 SCT033 17 15 88% 76.45 0.0
26 16:35 N 19 12.87 Mostly Cloudy BKN031 17 15 88% 76.45 0.0
26 16:15 NW 17 14.48 Mostly Cloudy BKN027 BKN033 17 15 88% 76.48 0.0
26 15:55 NW 17 G 28 9.66 Mostly Cloudy with Haze SCT015 SCT020 BKN028 18 15 83% 76.48 0.0
26 15:35 NW 19 11.27 Overcast BKN018 OVC028 17 15 88% 76.48 0.0
26 15:15 NW 19 14.48 Partly Cloudy SCT027 18 14 78% 76.48 0.0
26 14:55 NW 20 G 30 14.48 A Few Clouds FEW026 18 13 73% 76.48 0.0
26 14:35 NW 19 12.87 A Few Clouds FEW026 18 13 73% 76.5 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)