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.
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
26 14:15 NW 24 14.48 Fair CLR 18 12 68% 76.5 0.0
26 13:55 NW 19 14.48 Fair CLR 19 13 68% 76.53 0.0
26 13:35 NW 17 12.87 Fair CLR 18 12 68% 76.53 0.0
26 13:15 NW 17 14.48 Fair CLR 18 12 68% 76.56 0.0
26 12:55 NW 19 12.87 Fair CLR 18 12 68% 76.58 0.0
26 12:35 N 19 12.87 Fair CLR 18 12 68% 76.61 0.0
26 12:15 N 15 G 24 12.87 Fair CLR 18 12 68% 76.61 0.0
26 11:55 N 19 11.27 Fair CLR 18 12 68% 76.61 0.0
26 11:35 NW 13 G 22 11.27 Fair CLR 17 12 73% 76.63 0.0
26 11:15 N 15 G 26 11.27 Fair CLR 0 0 0% 76.63 0.0
26 10:55 N 19 14.48 Fair CLR 17 11 68% 76.66 0.0
26 10:35 NW 19 12.87 Fair CLR 17 12 73% 76.66 0.0
26 10:15 N 11 G 20 12.87 A Few Clouds FEW030 17 12 73% 76.66 0.0
26 09:55 NW 13 12.87 Mostly Cloudy BKN029 16 12 77% 76.66 0.0
26 09:35 N 11 12.87 Overcast OVC030 16 12 77% 76.66 0.0
26 09:15 N 13 12.87 Overcast OVC029 16 12 77% 76.63 0.0
26 08:55 N 11 12.87 Overcast OVC028 15 12 82% 76.63 0.0
26 08:35 Calm 11.27 Overcast OVC027 0 0 0% 76.61 0.0
26 08:15 Calm 11.27 Overcast OVC027 13 13 100% 76.61 0.0
26 07:55 Calm 11.27 Overcast OVC026 12 12 100% 76.58 0.0
26 07:35 Calm 12.87 Overcast OVC029 11 11 100% 76.56 0.0
26 07:15 Calm 12.87 Overcast OVC029 12 12 100% 76.56 0.0
26 06:55 Calm 12.87 Overcast OVC029 11 11 100% 76.56 0.0
26 06:35 Calm 12.87 Overcast OVC029 11 11 100% 76.56 0.0
26 06:15 Calm 12.87 Overcast OVC030 11 11 100% 76.56 0.0
26 05:55 Calm 12.87 Overcast OVC028 0 0 0% 76.56 0.0
26 05:35 Calm 14.48 Overcast OVC027 12 12 100% 76.56 0.0
26 05:15 N 7 12.87 Mostly Cloudy FEW021 BKN028 11 11 100% 76.56 0.0
26 04:55 Calm 12.87 Overcast BKN023 OVC028 10 10 100% 76.53 0.0
26 04:35 Calm 11.27 Overcast OVC024 9 9 100% 76.53 0.0
26 04:15 Calm 2.82 Fog/Mist OVC023 10 10 100% 76.53 0.0
26 03:55 Calm 2.82 Fog/Mist OVC023 9 9 100% 76.53 0.0
26 03:35 Calm 1.61 Fog/Mist BKN021 9 9 100% 76.53 0.0
26 03:15 Calm 6.44 Fog/Mist SCT019 10 10 100% 76.53 0.0
26 02:55 Calm 11.27 Mostly Cloudy BKN018 10 10 100% 76.53 0.0
26 02:35 Calm 11.27 Partly Cloudy SCT019 10 10 100% 76.53 0.0
26 02:15 Calm 8.05 Fog/Mist BKN022 10 10 100% 76.53 0.0
26 01:55 Calm 9.66 Fog/Mist OVC022 10 10 100% 76.5 0.0
26 01:35 Calm 8.05 Fog/Mist BKN022 11 11 100% 76.5 0.0
26 01:15 Calm 12.87 Overcast OVC021 11 11 100% 76.5 0.0
26 00:55 Calm 12.87 Overcast OVC020 12 12 100% 76.5 0.0
26 00:35 Calm 11.27 Overcast BKN017 BKN021 OVC025 11 11 100% 76.48 0.0
26 00:15 Calm 11.27 Overcast BKN018 OVC022 11 11 100% 76.5 0.0
25 23:55 Calm 11.27 Mostly Cloudy BKN020 10 10 100% 76.48 0.0
25 23:35 Calm 11.27 Fair CLR 10 10 100% 76.48 0.0
25 23:15 Calm 11.27 Fair CLR 10 10 100% 76.48 0.0
25 22:55 Calm 11.27 A Few Clouds FEW018 11 11 100% 76.48 0.0
25 22:35 Calm 11.27 Mostly Cloudy BKN019 11 11 100% 76.5 0.0
25 22:15 Calm 11.27 Mostly Cloudy BKN017 11 11 100% 76.5 0.0
25 21:55 Calm 11.27 Mostly Cloudy BKN015 10 10 100% 76.48 0.0
25 21:35 Calm 11.27 Partly Cloudy SCT014 11 11 100% 76.45 0.0
25 21:15 Calm 11.27 Fair CLR 11 11 100% 76.45 0.0
25 20:55 Calm 11.27 Fair CLR 0 0 0% 76.45 0.0
25 20:35 Calm 12.87 Fair CLR 13 13 100% 76.43 0.0
25 20:15 Calm 14.48 Fair CLR 13 13 100% 76.4 0.0
25 19:55 Calm 12.87 Fair CLR 13 13 100% 76.4 0.0
25 19:35 NE 6 11.27 Fair CLR 13 13 100% 76.4 0.0
25 19:15 NE 6 12.87 Fair CLR 14 14 100% 76.38 0.0
25 18:55 Calm 11.27 Fair CLR 15 14 94% 76.38 0.0
25 18:35 Calm 11.27 Fair CLR 16 15 94% 76.35 0.0
25 18:15 Calm 11.27 Fair CLR 17 15 88% 76.35 0.0
25 17:55 SE 6 9.66 Fair with Haze CLR 18 15 83% 76.35 0.0
25 17:35 S 9 11.27 Fair CLR 18 15 83% 76.35 0.0
25 17:15 S 11 9.66 Fair with Haze CLR 18 15 83% 76.38 0.0
25 16:55 S 11 11.27 Fair CLR 18 15 83% 76.38 0.0
25 16:35 S 7 11.27 Fair CLR 19 15 78% 76.38 0.0
25 16:15 S 7 9.66 Fair with Haze CLR 19 15 78% 76.38 0.0
25 15:55 Vrbl 7 11.27 Fair CLR 19 15 78% 76.38 0.0
25 15:35 SW 11 12.87 Fair CLR 19 15 78% 76.38 0.0
25 15:15 Vrbl 7 9.66 Fair with Haze CLR 19 15 78% 76.38 0.0
25 14:55 Vrbl 9 9.66 Fair with Haze CLR 20 15 73% 76.38 0.0
25 14:35 W 9 9.66 Fair with Haze CLR 19 16 83% 76.38 0.0
25 14:15 Vrbl 9 9.66 Fair with Haze CLR 19 16 83% 76.38 0.0
25 13:55 W 11 8.05 Fair with Haze CLR 19 16 83% 76.38 0.0
25 13:35 NW 13 8.05 Fair with Haze CLR 19 15 78% 76.38 0.0
25 13:15 NW 15 9.66 Fair with Haze CLR 20 15 73% 76.38 0.0
25 12:55 NW 11 11.27 Fair CLR 19 14 73% 76.38 0.0
25 12:35 NW 11 9.66 Fair with Haze CLR 19 14 73% 76.4 0.0
25 12:15 W 7 9.66 Fair with Haze CLR 20 14 69% 76.38 0.0
25 11:55 W 9 9.66 Fair with Haze CLR 19 15 78% 76.4 0.0
25 11:35 W 11 9.66 Fair with Haze CLR 19 15 78% 76.4 0.0
25 11:15 W 9 9.66 Fair with Haze CLR 18 15 83% 76.43 0.0
25 10:55 W 7 9.66 Fair with Haze CLR 19 14 73% 76.43 0.0
25 10:35 W 7 11.27 Fair CLR 18 14 78% 76.43 0.0
25 10:15 W 7 11.27 Fair CLR 18 13 73% 76.43 0.0
25 09:55 Calm 9.66 Fair with Haze CLR 17 14 83% 76.43 0.0
25 09:35 Calm 11.27 Fair CLR 0 0 0% 76.43 0.0
25 09:15 Calm 12.87 Fair CLR 15 10 72% 76.43 0.0
25 08:55 Calm 14.48 Fair CLR 13 10 82% 76.43 0.0
25 08:35 Calm 14.48 Fair CLR 10 9 94% 76.4 0.0
25 08:15 Calm 12.87 Fair CLR 8 7 93% 76.38 0.0
25 07:55 Calm 11.27 Fair CLR 7 6 93% 76.35 0.0
25 07:35 NE 6 14.48 Fair CLR 6 6 100% 76.33 0.0
25 07:15 NE 6 14.48 Fair CLR 7 6 93% 76.33 0.0
25 06:55 Calm 14.48 Fair CLR 7 6 93% 76.3 0.0
25 06:35 NE 6 16.09 Fair CLR 8 6 87% 76.3 0.0
25 06:15 Calm 14.48 Fair CLR 7 6 93% 76.3 0.0
25 05:55 Calm 14.48 Fair CLR 6 5 93% 76.3 0.0
25 05:35 Calm 14.48 Fair CLR 7 5 87% 76.28 0.0
25 05:15 Calm 14.48 Fair CLR 7 5 87% 76.28 0.0
25 04:55 Calm 16.09 Fair CLR 6 5 93% 76.25 0.0
25 04:35 NE 11 16.09 Fair CLR 0 0 0% 76.25 0.0
25 04:15 Calm 14.48 Fair CLR 6 5 93% 76.25 0.0
25 03:55 NE 9 16.09 Fair CLR 7 5 87% 5 76.25 0.0
25 03:35 Calm 14.48 Fair CLR 6 5 93% 76.25 0.0
25 03:15 Calm 14.48 Fair CLR 7 5 87% 76.25 0.0
25 02:55 Calm 14.48 Fair CLR 6 4 87% 76.28 0.0
25 02:35 NE 7 14.48 Fair CLR 7 5 87% 6 76.28 0.0
25 02:15 Calm 14.48 Fair CLR 7 5 87% 76.28 0.0
25 01:55 Calm 14.48 Fair CLR 6 5 93% 76.28 0.0
25 01:35 Calm 14.48 Fair CLR 0 0 0% 76.28 0.0
25 01:15 NE 7 14.48 Fair CLR 7 4 81% 6 76.28 0.0
25 00:55 Calm 14.48 Fair CLR 8 5 82% 76.3 0.0
25 00:35 Calm 14.48 Fair CLR 7 5 87% 76.3 0.0
25 00:15 Calm 14.48 Fair CLR 0 0 0% 76.3 0.0
24 23:55 Calm 14.48 Fair CLR 7 6 93% 76.3 0.0
24 23:35 NE 6 14.48 Fair CLR 9 6 82% 76.3 0.0
24 23:15 Calm 14.48 Fair CLR 0 0 0% 76.3 0.0
24 22:55 Calm 14.48 Fair CLR 8 7 93% 76.33 0.0
24 22:35 Calm 14.48 Fair CLR 9 6 82% 76.33 0.0
24 22:15 Calm 14.48 Fair CLR 9 7 87% 76.3 0.0
24 21:55 Calm 14.48 Fair CLR 9 7 87% 76.28 0.0
24 21:35 Calm 14.48 Fair CLR 9 7 87% 76.3 0.0
24 21:15 Calm 14.48 Fair CLR 10 6 76% 76.28 0.0
24 20:55 Calm 12.87 Fair CLR 10 6 76% 76.28 0.0
24 20:35 NE 6 12.87 Fair CLR 0 0 0% 76.28 0.0
24 20:15 Calm 14.48 Fair CLR 11 8 82% 76.25 0.0
24 19:55 N 9 11.27 Fair CLR 12 10 88% 76.25 0.0
24 19:35 N 7 9.66 Fog/Mist CLR 14 13 94% 76.25 0.0
24 19:15 NW 7 9.66 Fog/Mist CLR 15 13 88% 76.23 0.0
24 18:55 NW 7 9.66 Fog/Mist CLR 15 14 94% 76.23 0.0
24 18:35 N 11 6.44 Fog/Mist CLR 16 14 88% 76.2 0.0
24 18:15 N 15 6.44 Fog/Mist CLR 16 15 94% 76.2 0.0
24 17:55 N 17 G 30 6.44 Fair CLR 0 0 0% 76.2 0.0
24 17:35 N 20 8.05 Fair with Haze CLR 17 15 88% 76.2 0.0
24 17:15 N 17 G 30 8.05 Fair with Haze CLR 18 15 83% 76.17 0.0
24 16:55 N 26 9.66 Fair with Haze CLR 18 15 83% 76.17 0.0
24 16:35 N 26 11.27 Fair CLR 19 14 73% 76.17 0.0
24 16:15 N 30 9.66 Fair with Haze CLR 19 15 78% 76.17 0.0
24 15:55 N 26 12.87 Fair CLR 19 15 78% 76.15 0.0
24 15:35 N 22 11.27 Fair CLR 20 13 64% 76.15 0.0
24 15:15 N 17 G 26 12.87 Fair CLR 21 9 46% 76.17 0.0
24 14:55 N 20 12.87 Fair CLR 21 8 43% 76.17 0.0
24 14:35 NW 24 11.27 Fair CLR 21 9 46% 76.2 0.0
24 14:15 NW 19 12.87 Fair CLR 22 7 38% 76.2 0.0
24 13:55 N 15 14.48 NULL NULL 23 5 31% 76.2 0.0
24 13:35 Vrbl 11 0.00 NULL NULL 23 4 29% 76.23 0.0
24 13:15 E 17 0.00 NULL NULL 0 0 0% 76.25 0.0
24 12:55 E 17 12.87 Fair CLR 23 3 27% 76.28 0.0
24 12:35 E 20 14.48 Fair CLR 22 3 29% 76.28 0.0
24 12:15 E 19 14.48 Fair CLR 22 2 27% 76.3 0.0
24 11:55 E 17 G 31 12.87 Fair CLR 21 2 29% 76.3 0.0
24 11:35 E 13 G 30 14.48 Fair CLR 21 2 29% 76.33 0.0
24 11:15 E 19 G 31 12.87 Fair CLR 21 2 29% 76.33 0.0
24 10:55 E 24 12.87 Fair CLR 20 2 30% 76.33 0.0
24 10:35 E 11 G 24 14.48 Fair CLR 20 3 33% 76.35 0.0
24 10:15 Vrbl 9 14.48 Fair CLR 19 3 35% 76.35 0.0
24 09:55 Calm 14.48 Fair CLR 19 3 35% 76.35 0.0
24 09:35 Calm 6.44 Fair with Haze CLR 18 9 56% 76.35 0.0
24 09:15 Calm 8.05 Fair with Haze CLR 16 11 72% 76.35 0.0
24 08:55 Calm 8.05 Fog/Mist CLR 13 12 94% 76.35 0.0
24 08:35 Calm 8.05 Fog/Mist CLR 10 10 100% 76.35 0.0
24 08:15 Calm 9.66 Fog/Mist CLR 8 8 100% 76.35 0.0
24 07:55 Calm 6.44 Fog/Mist CLR 7 7 100% 76.33 0.0
24 07:35 Calm 4.02 Fog/Mist CLR 6 6 100% 76.3 0.0
24 07:15 Calm 6.44 Fog/Mist CLR 7 7 100% 76.3 0.0
24 06:55 Calm 4.83 Fog/Mist CLR 7 7 100% 76.3 0.0
24 06:35 Calm 9.66 Fog/Mist CLR 7 7 100% 76.3 0.0
24 06:15 Calm 9.66 Fog/Mist CLR 6 6 100% 76.3 0.0
24 05:55 Calm 8.05 Fog/Mist CLR 6 6 100% 76.3 0.0
24 05:35 Calm 11.27 Fair CLR 6 6 100% 76.3 0.0
24 05:15 Calm 11.27 Fair CLR 7 7 100% 76.3 0.0
24 04:55 Calm 11.27 Fair CLR 0 0 0% 76.28 0.0
24 04:15 Calm 12.87 Fair CLR 6 6 100% 76.28 0.0
24 03:55 Calm 11.27 Fair CLR 7 7 100% 76.28 0.0
24 03:35 Calm 14.48 Fair CLR 8 8 100% 76.28 0.0
24 03:15 Calm 11.27 Fair CLR 7 7 100% 76.3 0.0
24 02:55 Calm 8.05 Fog/Mist CLR 8 8 100% 76.3 0.0
24 02:35 Calm 9.66 Fog/Mist FEW003 8 8 100% 76.3 0.0
24 02:15 Calm 11.27 Partly Cloudy SCT003 9 9 100% 76.3 0.0
24 01:55 Calm 8.05 Fog/Mist FEW003 7 7 100% 76.3 0.0
24 01:35 Calm 11.27 Fair CLR 9 9 100% 76.28 0.0
24 01:15 Calm 11.27 Fair CLR 8 8 100% 76.3 0.0
24 00:55 Calm 11.27 Fair CLR 7 7 100% 76.3 0.0
24 00:35 Calm 12.87 Fair CLR 9 9 100% 76.3 0.0
24 00:15 Calm 14.48 Fair CLR 8 8 100% 76.33 0.0
23 23:55 Calm 14.48 Fair CLR 9 9 100% 76.33 0.0
23 23:35 Calm 12.87 Fair CLR 9 9 100% 76.33 0.0
23 23:15 Calm 12.87 Fair CLR 9 9 100% 76.33 0.0
23 22:55 Calm 11.27 Fair CLR 9 9 100% 76.33 0.0
23 22:35 NE 6 14.48 Fair CLR 10 10 100% 76.35 0.0
23 22:15 Calm 14.48 Fair CLR 10 10 100% 76.35 0.0
23 21:55 Calm 12.87 Fair CLR 11 11 100% 76.33 0.0
23 21:35 Calm 12.87 Fair CLR 11 11 100% 76.33 0.0
23 21:15 Calm 11.27 Fair CLR 12 11 94% 76.33 0.0
23 20:55 N 13 8.05 Fog/Mist CLR 14 14 100% 76.33 0.0
23 20:35 N 13 9.66 Fog/Mist CLR 14 14 100% 76.33 0.0
23 20:15 N 13 11.27 Fair CLR 15 14 94% 76.33 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)