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.
15 13:15 NE 26 9.66 Fair with Haze CLR 29 2 18% 27 76.43 0.0
15 12:55 NE 15 G 30 11.27 Fair CLR 29 3 19% 27 76.45 0.0
15 12:35 E 15 G 30 14.48 Fair CLR 29 2 18% 27 76.45 0.0
15 12:15 E 9 G 24 12.87 Fair CLR 28 3 20% 27 76.48 0.0
15 11:55 NE 19 G 31 12.87 Fair CLR 27 2 20% 26 76.5 0.0
15 11:35 Calm 9.66 Haze NULL 27 3 21% 26 76.5 0.0
15 11:15 SE 13 0.00 NULL NULL 26 4 24% 26 76.5 0.0
15 10:55 Vrbl 7 G 19 11.27 NULL NULL 0 0 0% 76.53 0.0
15 10:15 Calm 8.05 Fair with Haze CLR 23 9 41% 76.53 0.0
15 09:55 Calm 9.66 Fair with Haze CLR 20 11 56% 76.56 0.0
15 09:35 Calm 8.05 Fair with Haze CLR 18 9 56% 76.53 0.0
15 09:15 Calm 6.44 Fair with Haze CLR 17 9 60% 76.56 0.0
15 08:55 Calm 6.44 Fair with Haze CLR 14 8 67% 76.53 0.0
15 08:35 Calm 9.66 Fog/Mist CLR 11 10 94% 76.53 0.0
15 08:15 Calm 9.66 Fog/Mist CLR 9 8 94% 76.53 0.0
15 07:55 Calm 9.66 Fog/Mist CLR 7 7 100% 76.5 0.0
15 07:35 Calm 9.66 Fog/Mist FEW002 6 6 100% 76.5 0.0
15 07:15 Calm 11.27 Partly Cloudy SCT003 6 5 93% 76.5 0.0
15 06:55 Calm 14.48 A Few Clouds FEW003 6 6 100% 76.5 0.0
15 06:35 Calm 12.87 Fair CLR 7 7 100% 76.48 0.0
15 06:15 Calm 14.48 Fair CLR 7 6 93% 76.5 0.0
15 05:55 Calm 14.48 Fair CLR 7 5 87% 76.48 0.0
15 05:35 Calm 12.87 Fair CLR 7 6 93% 76.48 0.0
15 05:15 Calm 14.48 Fair CLR 7 7 100% 76.48 0.0
15 04:55 Calm 12.87 A Few Clouds FEW003 FEW039 6 6 100% 76.48 0.0
15 04:35 Calm 14.48 Partly Cloudy SCT004 SCT039 7 6 93% 76.48 0.0
15 04:15 Calm 12.87 Mostly Cloudy BKN003 7 6 93% 76.48 0.0
15 03:55 Calm 14.48 Overcast OVC003 8 7 93% 76.48 0.0
15 03:35 Calm 14.48 Overcast OVC004 8 7 93% 76.5 0.0
15 03:15 Calm 14.48 Overcast OVC003 8 7 93% 76.5 0.0
15 02:55 Calm 14.48 Mostly Cloudy BKN003 7 6 93% 76.5 0.0
15 02:35 Calm 14.48 Fair CLR 7 6 93% 76.5 0.0
15 02:15 Calm 14.48 A Few Clouds FEW003 8 6 87% 76.5 0.0
15 01:55 Calm 14.48 Mostly Cloudy BKN003 0 0 0% 76.5 0.0
15 01:35 Calm 14.48 Mostly Cloudy BKN003 8 7 93% 76.5 0.0
15 01:15 Calm 14.48 Fair CLR 8 7 93% 76.48 0.0
15 00:55 Calm 14.48 Fair CLR 7 7 100% 76.5 0.0
15 00:35 Calm 12.87 Fair CLR 8 7 93% 76.5 0.0
15 00:15 Calm 14.48 Fair CLR 8 7 93% 76.53 0.0
14 23:55 NE 6 14.48 Fair CLR 8 7 93% 76.53 0.0
14 23:35 Calm 12.87 Fair CLR 8 8 100% 76.56 0.0
14 23:15 Calm 12.87 Fair CLR 8 8 100% 76.56 0.0
14 22:55 Calm 12.87 Fair CLR 9 8 94% 76.53 0.0
14 22:35 Calm 11.27 Fair CLR 9 9 100% 76.53 0.0
14 22:15 Calm 11.27 Fair CLR 9 9 100% 76.53 0.0
14 21:55 Calm 12.87 Fair CLR 9 7 87% 76.53 0.0
14 21:35 Calm 12.87 Fair CLR 10 8 88% 76.5 0.0
14 21:15 Calm 11.27 A Few Clouds FEW004 FEW045 0 0 0% 76.53 0.0
14 20:55 NE 6 11.27 A Few Clouds FEW004 FEW045 10 9 94% 76.5 0.0
14 20:35 NE 6 11.27 Partly Cloudy SCT004 11 10 94% 76.5 0.0
14 20:15 NE 6 9.66 Fog/Mist BKN004 12 11 94% 76.5 0.0
14 19:55 N 6 8.05 Fog/Mist CLR 12 12 100% 76.5 0.0
14 19:35 Calm 6.44 Fog/Mist CLR 13 13 100% 76.48 0.0
14 19:15 Calm 8.05 Fog/Mist CLR 14 14 100% 76.45 0.0
14 18:55 N 6 8.05 Fog/Mist CLR 14 14 100% 76.45 0.0
14 18:35 NW 9 4.83 Fog/Mist CLR 15 15 100% 76.43 0.0
14 18:15 NW 13 4.83 Fog/Mist CLR 16 15 94% 76.43 0.0
14 17:55 NW 11 6.44 Fog/Mist CLR 17 15 88% 76.43 0.0
14 17:35 NW 9 6.44 Fair with Haze CLR 17 14 83% 76.43 0.0
14 17:15 NW 11 8.05 Fair with Haze CLR 18 14 78% 76.43 0.0
14 16:55 NW 15 6.44 Fair with Haze CLR 18 12 68% 76.43 0.0
14 16:35 NW 15 6.44 Fair with Haze CLR 18 14 78% 76.45 0.0
14 16:15 NW 15 6.44 Fair with Haze CLR 18 14 78% 76.45 0.0
14 15:55 NW 15 6.44 Fair with Haze CLR 18 14 78% 76.45 0.0
14 15:35 NW 17 6.44 Fair with Haze CLR 18 15 83% 76.48 0.0
14 15:15 NW 15 4.83 Fair with Haze CLR 18 15 83% 76.48 0.0
14 14:55 NW 15 6.44 Fair with Haze CLR 18 14 78% 76.48 0.0
14 14:35 NW 15 8.05 Fair with Haze CLR 18 14 78% 76.48 0.0
14 14:15 NW 15 6.44 Fair with Haze CLR 18 15 83% 76.5 0.0
14 13:55 NW 13 8.05 Haze NULL 18 14 78% 76.5 0.0
14 13:35 W 11 8.05 Haze NULL 18 13 73% 76.5 0.0
14 13:15 W 7 9.66 Fair with Haze CLR 18 13 73% 76.53 0.0
14 12:55 Vrbl 9 6.44 Fair with Haze CLR 18 13 73% 76.56 0.0
14 12:35 NW 9 8.05 Fair with Haze CLR 18 14 78% 76.56 0.0
14 12:15 Calm 9.66 Fair with Haze CLR 18 13 73% 76.58 0.0
14 11:55 W 7 9.66 Fair with Haze CLR 19 11 60% 76.56 0.0
14 11:35 Vrbl 7 8.05 Fair with Haze CLR 18 13 73% 76.56 0.0
14 11:15 W 7 8.05 Fair with Haze CLR 17 14 83% 76.56 0.0
14 10:55 W 9 8.05 Fair with Haze CLR 17 14 83% 76.58 0.0
14 10:35 Calm 8.05 Fair with Haze CLR 17 13 77% 76.58 0.0
14 10:15 Calm 4.83 Fair with Haze CLR 17 14 83% 76.58 0.0
14 09:55 S 6 6.44 Fog/Mist CLR 15 14 94% 76.58 0.0
14 09:35 S 6 4.83 Fog/Mist CLR 15 14 94% 76.58 0.0
14 09:15 Calm 4.83 Fog/Mist FEW004 15 14 94% 76.58 0.0
14 08:55 Calm 9.66 A Few Clouds with Haze FEW005 12 10 88% 76.58 0.0
14 08:35 Calm 9.66 Fog/Mist BKN006 10 9 94% 76.58 0.0
14 08:15 Calm 9.66 Fog/Mist BKN006 8 8 100% 76.56 0.0
14 07:55 Calm 9.66 Fog/Mist SCT005 6 6 100% 76.56 0.0
14 07:35 Calm 11.27 Partly Cloudy SCT005 6 6 100% 0 0.0
14 07:15 NE 6 12.87 Fair CLR 7 6 93% 76.53 0.0
14 06:55 Calm 12.87 Fair CLR 6 6 100% 76.53 0.0
14 06:35 NE 6 14.48 Fair CLR 6 6 100% 76.5 0.0
14 05:55 Calm 12.87 Fair CLR 6 6 100% 76.48 0.0
14 05:35 Calm 11.27 Fair CLR 6 6 100% 76.48 0.0
14 05:15 Calm 12.87 Fair CLR 6 6 100% 76.48 0.0
14 04:55 Calm 11.27 Fair CLR 7 7 100% 76.48 0.0
14 04:35 Calm 11.27 Fair CLR 7 7 100% 76.48 0.0
14 04:15 Calm 11.27 Fair CLR 6 6 100% 76.48 0.0
14 03:55 NE 7 11.27 Fair CLR 7 7 100% 6 76.48 0.0
14 03:35 Calm 11.27 Fair CLR 0 0 0% 76.48 0.0
14 03:15 Calm 11.27 Fair CLR 7 7 100% 76.5 0.0
14 02:55 Calm 11.27 Fair CLR 7 7 100% 76.5 0.0
14 02:35 Calm 11.27 Fair CLR 7 7 100% 76.5 0.0
14 02:15 Calm 12.87 Fair CLR 7 7 100% 76.5 0.0
14 01:55 Calm 11.27 Fair CLR 7 6 93% 76.5 0.0
14 01:35 NE 9 11.27 Fair CLR 8 8 100% 7 76.5 0.0
14 01:15 Calm 11.27 Fair CLR 8 8 100% 76.5 0.0
14 00:55 E 9 11.27 Fair CLR 9 8 94% 8 76.5 0.0
14 00:35 NE 6 11.27 Fair CLR 9 8 94% 76.5 0.0
14 00:15 Calm 11.27 Fair CLR 8 8 100% 76.5 0.0
13 23:55 Calm 11.27 Fair CLR 9 8 94% 76.5 0.0
13 23:35 NW 6 11.27 Fair CLR 8 7 93% 76.5 0.0
13 23:15 Calm 12.87 Fair CLR 9 7 87% 76.48 0.0
13 22:55 Calm 11.27 Fair CLR 10 7 82% 76.5 0.0
13 22:35 Calm 12.87 Fair CLR 10 7 82% 76.48 0.0
13 22:15 E 6 12.87 Fair CLR 9 8 94% 76.5 0.0
13 21:55 Calm 9.66 Fog/Mist CLR 11 9 88% 76.5 0.0
13 21:35 Calm 8.05 Fog/Mist CLR 12 10 88% 76.48 0.0
13 21:15 Calm 9.66 Fair with Haze CLR 13 10 82% 76.48 0.0
13 20:55 N 13 11.27 Fair CLR 15 10 72% 76.48 0.0
13 20:35 N 20 12.87 Fair CLR 15 9 68% 76.45 0.0
13 20:15 N 20 12.87 Fair CLR 16 8 59% 76.43 0.0
13 19:55 N 22 14.48 Fair CLR 16 6 52% 76.43 0.0
13 19:35 N 17 G 26 12.87 Fair CLR 16 8 59% 76.43 0.0
13 19:15 N 19 11.27 Fair CLR 15 9 68% 76.4 0.0
13 18:55 N 17 11.27 Fair CLR 16 10 68% 76.4 0.0
13 18:35 N 20 9.66 Fair with Haze CLR 0 0 0% 76.4 0.0
13 18:15 N 20 8.05 Fair with Haze CLR 16 10 68% 76.4 0.0
13 17:55 N 19 G 28 8.05 Fair with Haze CLR 16 11 72% 76.4 0.0
13 17:35 N 20 G 31 9.66 Fair with Haze CLR 17 11 68% 76.4 0.0
13 17:15 NW 24 8.05 Fair with Haze CLR 17 12 73% 76.4 0.0
13 16:55 NW 22 9.66 Fair with Haze CLR 18 12 68% 76.38 0.0
13 16:35 NW 20 8.05 Fair with Haze CLR 18 11 64% 76.38 0.0
13 16:15 N 20 9.66 Fair with Haze CLR 18 12 68% 76.38 0.0
13 15:55 NW 24 9.66 Fair with Haze CLR 19 12 64% 76.38 0.0
13 15:35 N 24 11.27 Fair CLR 19 12 64% 76.4 0.0
13 15:15 NW 22 11.27 Fair CLR 20 8 46% 76.4 0.0
13 14:55 N 24 9.66 Fair with Haze CLR 19 10 56% 76.4 0.0
13 14:35 NW 26 9.66 Fair with Haze CLR 19 13 68% 76.38 0.0
13 14:15 NW 26 8.05 Fair with Haze CLR 18 14 78% 76.38 0.0
13 13:55 NW 20 9.66 Haze NULL 19 10 56% 76.38 0.0
13 13:35 NW 28 0.00 NULL NULL 19 12 64% 76.4 0.0
13 13:15 NW 20 11.27 Fair CLR 20 9 49% 76.4 0.0
13 12:55 N 20 G 33 9.66 Fair with Haze CLR 19 9 52% 76.4 0.0
13 12:35 NW 26 G 37 11.27 Fair CLR 19 9 52% 76.4 0.0
13 12:15 NW 28 11.27 Fair CLR 18 9 56% 76.4 0.0
13 11:55 NW 20 11.27 Fair CLR 18 9 56% 76.43 0.0
13 11:35 NW 22 9.66 Fair with Haze CLR 18 10 60% 76.43 0.0
13 11:15 NW 19 8.05 Fair with Haze CLR 18 12 68% 76.43 0.0
13 10:55 NW 22 6.44 Fair with Haze CLR 17 13 77% 76.43 0.0
13 10:35 NW 15 8.05 Fair with Haze CLR 18 10 60% 76.4 0.0
13 10:15 NW 13 9.66 Fair with Haze CLR 18 10 60% 76.4 0.0
13 09:55 Vrbl 9 4.83 Fair with Haze CLR 17 11 68% 76.4 0.0
13 09:35 Calm 6.44 Fair with Haze CLR 15 13 88% 76.4 0.0
13 09:15 S 6 4.83 Fog/Mist CLR 14 13 94% 76.4 0.0
13 08:55 Calm 6.44 Fog/Mist CLR 13 12 94% 76.38 0.0
13 08:35 Calm 6.44 Fog/Mist CLR 11 11 100% 76.35 0.0
13 08:15 Calm 6.44 Fog/Mist CLR 9 9 100% 76.35 0.0
13 07:55 Calm 6.44 Fog/Mist CLR 7 7 100% 76.33 0.0
13 07:35 Calm 8.05 Fog/Mist CLR 7 7 100% 76.33 0.0
13 07:15 Calm 6.44 Fog/Mist CLR 7 7 100% 76.33 0.0
13 06:55 Calm 8.05 Fog/Mist CLR 7 7 100% 76.33 0.0
13 06:35 Calm 9.66 Fog/Mist CLR 6 6 100% 76.3 0.0
13 06:15 Calm 11.27 A Few Clouds FEW003 5 5 100% 76.3 0.0
13 05:55 Calm 9.66 Partly Cloudy SCT003 0 0 0% 76.28 0.0
13 05:35 Calm 9.66 Fog/Mist BKN003 6 6 100% 76.25 0.0
13 05:15 Calm 8.05 Fog/Mist NULL 6 6 100% 76.23 0.0
13 05:00 Calm 0.00 NULL NULL 0 0 0% 76.23 0.0
13 02:55 Calm 9.66 Fog/Mist CLR 6 6 100% 76.23 0.0
13 02:35 Calm 9.66 Fog/Mist NULL 6 6 100% 76.23 0.0
12 21:55 Calm 8.05 Fog/Mist CLR 10 10 100% 76.12 0.0
12 21:35 Calm 8.05 Fog/Mist FEW018 11 11 100% 76.12 0.0
12 21:15 Calm 8.05 Fog/Mist BKN017 12 11 94% 76.1 0.0
12 20:55 Calm 8.05 Fog/Mist OVC017 12 12 100% 76.1 0.0
12 20:35 Calm 8.05 Fog/Mist OVC017 12 12 100% 76.1 0.0
12 20:15 Calm 8.05 Fog/Mist BKN016 11 11 100% 76.07 0.0
12 19:55 Calm 8.05 Fog/Mist NULL 12 11 94% 76.07 0.0
12 19:40 Calm 0.00 NULL NULL 12 12 100% 76.05 0.0
12 18:35 W 7 4.02 Fog/Mist CLR 15 14 94% 76.02 0.0
12 18:15 Calm 6.44 Fog/Mist CLR 15 13 88% 76 0.0
12 17:55 W 6 6.44 Fair with Haze CLR 16 13 83% 76 0.0
12 17:35 W 9 6.44 Fair with Haze CLR 17 13 77% 76.02 0.0
12 17:15 W 7 6.44 Fair with Haze CLR 17 13 77% 76.02 0.0
12 16:55 W 7 6.44 Fair with Haze CLR 17 12 73% 76 0.0
12 16:35 Vrbl 9 8.05 Fair with Haze CLR 0 0 0% 76 0.0
12 16:15 SW 7 8.05 Fair with Haze CLR 18 12 68% 76 0.0
12 15:55 Vrbl 9 6.44 Fair with Haze CLR 18 12 68% 76 0.0
12 15:35 S 9 8.05 Fair with Haze CLR 18 12 68% 76 0.0
12 15:15 Vrbl 9 6.44 Fair with Haze CLR 18 12 68% 76 0.0
12 14:55 SW 11 8.05 Fair with Haze CLR 18 12 68% 76 0.0
12 14:35 Vrbl 11 8.05 Fair with Haze CLR 18 12 68% 76 0.0
12 14:15 Vrbl 9 8.05 Fair with Haze CLR 17 11 68% 76.02 0.0
12 13:55 Vrbl 9 8.05 Haze NULL 18 11 64% 76.02 0.0
12 13:35 SW 9 0.00 NULL NULL 18 10 60% 76.02 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)