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.
17 13:55 S 15 8.05 Overcast with Haze FEW036 OVC045 18 16 88% 76.56 0.0
17 13:35 S 15 9.66 Overcast OVC044 0 0 0% 76.56 0.0
17 13:15 S 19 9.66 Fog/Mist FEW031 OVC044 18 16 88% 76.58 0.0
17 12:55 S 11 8.05 Fog/Mist SCT015 BKN031 OVC045 18 16 88% 76.58 0.0
17 12:35 S 13 8.05 Fog/Mist SCT016 BKN030 BKN043 17 16 94% 76.58 0.0
17 12:15 S 15 9.66 Fog/Mist OVC031 17 16 94% 76.58 0.0
17 11:55 S 11 8.05 Fog/Mist BKN034 OVC044 18 16 88% 76.58 0.0
17 11:35 S 13 8.05 Fog/Mist OVC038 18 16 88% 76.56 0.0
17 11:15 S 11 8.05 Fog/Mist OVC041 18 16 88% 76.56 0.0
17 10:55 S 13 8.05 Fog/Mist BKN036 OVC042 18 16 88% 76.53 0.0
17 10:35 S 17 8.05 Fog/Mist OVC041 18 16 88% 76.53 0.0
17 10:15 S 15 8.05 Fog/Mist BKN037 OVC042 17 16 94% 76.5 0.0
17 09:55 S 13 8.05 Fog/Mist FEW017 OVC036 17 16 94% 76.5 0.0
17 09:35 S 11 6.44 Fog/Mist BKN016 OVC036 16 16 100% 76.48 0.0
17 09:15 S 9 6.44 Fog/Mist BKN014 OVC040 16 16 100% 76.48 0.0
17 08:55 SE 7 6.44 Fog/Mist BKN014 OVC038 16 16 100% 76.45 0.0
17 08:35 SE 13 8.05 Fog/Mist SCT012 OVC037 16 16 100% 76.45 0.0
17 08:15 SE 13 6.44 Fog/Mist OVC037 16 16 100% 76.43 0.0
17 07:55 SE 9 6.44 Fog/Mist BKN011 OVC038 16 16 100% 76.43 0.0
17 06:35 SE 9 8.05 Fog/Mist OVC034 16 16 100% 76.38 0.0
17 06:15 S 6 6.44 Fog/Mist FEW005 FEW017 OVC035 16 16 100% 76.35 0.0
17 05:55 SE 9 6.44 Fog/Mist FEW012 OVC035 16 16 100% 76.33 0.0
17 05:35 Calm 8.05 Fog/Mist FEW012 OVC035 16 16 100% 76.33 0.0
17 05:15 Calm 6.44 Fog/Mist OVC034 16 16 100% 76.33 0.0
17 04:55 SW 7 8.05 Fog/Mist FEW011 OVC035 16 16 100% 76.3 0.0
17 04:35 Calm 8.05 Fog/Mist OVC035 16 16 100% 76.3 0.0
17 04:15 SW 7 8.05 Fog/Mist OVC034 16 16 100% 76.28 0.0
17 03:55 SW 7 8.05 Fog/Mist OVC036 16 16 100% 76.28 0.0
17 03:35 SW 9 8.05 Fog/Mist FEW011 FEW017 OVC036 16 16 100% 76.28 0.0
17 03:15 SW 9 8.05 Fog/Mist FEW012 SCT017 OVC038 16 16 100% 76.28 0.0
17 02:55 SW 6 8.05 Fog/Mist OVC033 16 16 100% 76.25 0.0
17 02:35 Calm 8.05 Fog/Mist OVC036 16 16 100% 76.25 0.0
17 02:15 Calm 8.05 Fog/Mist OVC037 16 16 100% 76.25 0.0
17 01:55 Calm 8.05 Fog/Mist SCT010 OVC036 16 16 100% 76.25 0.0
17 01:35 Calm 8.05 Fog/Mist BKN011 OVC036 16 16 100% 76.25 0.0
17 01:15 SW 7 8.05 Overcast BKN012 OVC038 0 0 0% 76.25 0.0
17 00:55 SW 7 8.05 Fog/Mist SCT013 OVC036 16 16 100% 76.25 0.0
17 00:35 SW 9 8.05 Fog/Mist BKN014 BKN021 OVC031 16 16 100% 76.23 0.0
17 00:15 S 6 6.44 Fog/Mist FEW015 SCT021 OVC028 16 16 100% 76.23 0.0
16 23:55 Calm 6.44 Fog/Mist SCT011 OVC029 16 16 100% 76.23 0.0
16 23:35 Calm 6.44 Fog/Mist SCT011 OVC032 16 16 100% 76.23 0.0
16 23:15 SE 6 8.05 Fog/Mist OVC032 16 16 100% 76.2 0.0
16 22:55 Calm 8.05 Fog/Mist OVC033 16 16 100% 76.23 0.0
16 22:35 Calm 8.05 Fog/Mist OVC033 15 15 100% 76.23 0.0
16 22:15 Calm 9.66 Overcast FEW023 OVC031 0 0 0% 76.23 0.0
16 21:35 Calm 9.66 Overcast FEW015 OVC031 0 0 0% 76.23 0.0
16 21:15 Calm 9.66 Fog/Mist FEW015 FEW026 OVC035 15 15 100% 76.23 0.0
16 20:55 Calm 9.66 Fog/Mist FEW014 OVC038 15 15 100% 76.23 0.0
16 20:15 Calm 8.05 Fog/Mist FEW013 BKN020 OVC034 15 15 100% 76.2 0.0
16 19:55 Calm 4.83 Fog/Mist SCT013 BKN019 OVC024 15 15 100% 76.2 0.0
16 19:35 Calm 6.44 Fog/Mist BKN014 BKN019 OVC024 16 15 94% 76.2 0.0
16 19:15 Calm 8.05 Fog/Mist BKN018 OVC033 16 15 94% 76.2 0.0
16 18:55 SE 7 4.83 Fog/Mist BKN019 OVC025 15 15 100% 76.2 0.0
16 18:35 SE 9 4.83 Fog/Mist BKN022 OVC029 16 15 94% 76.2 0.0
16 18:15 S 9 9.66 Fog/Mist BKN025 OVC031 16 14 88% 76.2 0.0
16 17:55 S 13 9.66 Fog/Mist OVC032 16 14 88% 76.2 0.0
16 17:35 S 11 9.66 Fog/Mist FEW023 OVC035 16 14 88% 76.2 0.0
16 17:15 SW 9 9.66 Overcast with Haze SCT022 SCT027 OVC035 17 14 83% 76.2 0.0
16 16:55 S 9 9.66 Fog/Mist OVC035 17 14 83% 76.2 0.0
16 16:35 SW 9 9.66 Fog/Mist OVC033 16 14 88% 76.23 0.0
16 16:15 W 6 9.66 Fog/Mist OVC033 17 14 83% 76.23 0.0
16 15:55 W 7 9.66 Fog/Mist OVC030 17 15 88% 76.23 0.0
16 15:35 W 7 9.66 Overcast with Haze BKN026 OVC030 17 14 83% 76.23 0.0
16 15:15 W 11 9.66 Fog/Mist OVC025 17 14 83% 76.23 0.0
16 14:55 W 11 8.05 Fog/Mist SCT017 OVC024 17 15 88% 76.25 0.0
16 14:35 W 9 8.05 Fog/Mist OVC017 16 15 94% 76.25 0.0
16 14:15 S 11 8.05 Fog/Mist OVC019 16 15 94% 76.25 0.0
16 13:55 Vrbl 7 9.66 Fog/Mist OVC018 16 14 88% 76.25 0.0
16 13:35 Vrbl 6 8.05 Overcast OVC019 0 0 0% 76.25 0.0
16 13:15 Vrbl 7 8.05 Fog/Mist OVC019 16 15 94% 76.25 0.0
16 12:55 SW 9 8.05 Fog/Mist OVC020 16 15 94% 76.28 0.0
16 12:35 SW 9 6.44 Fog/Mist BKN017 OVC022 16 15 94% 76.28 0.0
16 12:15 W 7 4.83 Fog/Mist BKN015 BKN020 15 15 100% 76.28 0.0
16 11:55 SW 7 2.41 Fog/Mist SCT009 BKN013 OVC018 15 15 100% 76.28 0.0
16 11:35 Vrbl 6 2.41 Fog/Mist SCT009 OVC016 15 15 100% 76.3 0.0
16 11:15 SW 7 3.22 Fog/Mist BKN016 15 15 100% 76.28 0.0
16 10:55 W 9 4.83 Fog/Mist OVC016 15 15 100% 76.28 0.0
16 10:35 W 9 6.44 Fog/Mist OVC015 15 15 100% 76.28 0.0
16 10:15 W 11 6.44 Fog/Mist OVC014 16 14 88% 76.25 0.0
16 09:55 Calm 6.44 Fog/Mist OVC014 15 14 94% 76.25 0.0
16 09:15 Vrbl 6 6.44 Fog/Mist OVC013 15 14 94% 76.2 0.0
16 08:55 SW 6 6.44 Fog/Mist OVC013 15 14 94% 76.2 0.0
16 08:35 W 11 4.83 Fog/Mist BKN012 OVC020 15 14 94% 76.17 0.0
16 08:15 SW 15 6.44 Fog/Mist OVC018 15 14 94% 76.17 0.0
16 07:55 W 17 4.83 Fog/Mist OVC017 15 14 94% 76.15 0.0
16 07:35 W 19 4.83 Fog/Mist FEW011 OVC018 15 14 94% 76.15 0.0
16 07:15 SW 9 4.83 Fog/Mist SCT012 OVC019 15 15 100% 76.12 0.0
16 06:55 S 9 6.44 Fog/Mist SCT013 OVC019 15 15 100% 76.1 0.0
16 06:35 S 13 8.05 Fog/Mist OVC017 15 15 100% 76.07 0.0
16 06:15 S 11 8.05 Fog/Mist OVC017 15 15 100% 76.07 0.0
16 05:55 S 9 8.05 Fog/Mist OVC017 15 15 100% 76.05 0.0
16 05:35 S 11 8.05 Fog/Mist BKN015 OVC019 15 15 100% 76.02 0.0
16 05:15 S 13 9.66 Fog/Mist OVC014 15 15 100% 76.02 0.0
16 04:55 S 11 8.05 Fog/Mist OVC016 15 15 100% 76.02 0.0
16 04:35 S 11 8.05 Fog/Mist OVC017 15 15 100% 76 0.0
16 04:15 S 11 9.66 Fog/Mist OVC017 15 15 100% 76 0.0
16 03:55 S 11 8.05 Fog/Mist OVC017 15 15 100% 76 0.0
16 03:35 S 11 8.05 Fog/Mist OVC016 15 15 100% 76 0.0
16 03:15 S 11 8.05 Fog/Mist OVC017 15 15 100% 76 0.0
16 02:55 S 9 8.05 Fog/Mist OVC017 15 15 100% 76.02 0.0
16 02:35 S 11 8.05 Fog/Mist OVC016 15 15 100% 76.02 0.0
16 02:15 S 13 8.05 Fog/Mist OVC017 15 15 100% 76.05 0.0
16 01:55 S 6 8.05 Fog/Mist OVC015 15 15 100% 76.05 0.0
16 01:35 S 9 8.05 Fog/Mist OVC015 15 15 100% 76.05 0.0
16 01:15 S 11 9.66 Fog/Mist OVC016 15 15 100% 76.05 0.0
16 00:55 S 11 9.66 Fog/Mist OVC015 15 15 100% 76.05 0.0
16 00:35 S 7 8.05 Fog/Mist OVC015 15 14 94% 76.05 0.0
16 00:15 S 7 8.05 Fog/Mist OVC015 15 14 94% 76.05 0.0
15 23:55 S 7 9.66 Fog/Mist OVC015 15 14 94% 76.05 0.0
15 23:35 S 9 8.05 Fog/Mist OVC014 15 14 94% 76.05 0.0
15 23:15 S 9 9.66 Fog/Mist OVC014 15 14 94% 76.05 0.0
15 22:55 S 9 9.66 Fog/Mist OVC015 15 14 94% 76.05 0.0
15 22:35 S 9 8.05 Fog/Mist OVC015 15 14 94% 76.05 0.0
15 22:15 S 9 8.05 Fog/Mist OVC014 15 15 100% 76.05 0.0
15 21:55 S 6 8.05 Fog/Mist OVC011 15 15 100% 76.07 0.0
15 21:35 S 7 8.05 Fog/Mist OVC011 15 15 100% 76.05 0.0
15 21:15 S 7 9.66 Fog/Mist OVC011 15 14 94% 76.05 0.0
15 20:55 S 9 9.66 Fog/Mist OVC011 15 14 94% 76.05 0.0
15 20:35 Calm 9.66 Fog/Mist OVC011 15 14 94% 76.02 0.0
15 20:15 W 7 8.05 Fog/Mist OVC010 15 14 94% 76 0.0
15 19:55 W 9 8.05 Fog/Mist OVC009 15 15 100% 76 0.0
15 19:35 SW 7 8.05 Fog/Mist OVC010 15 15 100% 76 0.0
15 19:15 SW 7 6.44 Fog/Mist OVC010 15 15 100% 76 0.0
15 18:55 SW 7 6.44 Fog/Mist OVC010 15 15 100% 76 0.0
15 18:35 Calm 6.44 Fog/Mist OVC010 15 15 100% 76 0.0
15 18:15 Calm 6.44 Fog/Mist OVC010 15 15 100% 76 0.0
15 17:55 W 9 6.44 Fog/Mist OVC012 16 15 94% 76 0.0
15 17:35 SW 9 6.44 Fog/Mist OVC012 16 15 94% 76 0.0
15 17:15 Calm 6.44 Fog/Mist OVC013 16 15 94% 76 0.0
15 16:55 Vrbl 6 8.05 Fog/Mist OVC013 16 15 94% 76 0.0
15 16:35 Calm 8.05 Fog/Mist OVC013 16 15 94% 76.02 0.0
15 16:15 Vrbl 7 6.44 Overcast OVC013 0 0 0% 76.02 0.0
15 15:55 SW 11 4.83 Fog/Mist OVC013 16 15 94% 76.02 0.0
15 15:35 Vrbl 7 6.44 Fog/Mist OVC013 16 15 94% 76.02 0.0
15 15:15 S 7 6.44 Fog/Mist OVC013 17 15 88% 76.02 0.0
15 14:55 Calm 8.05 Overcast with Haze OVC013 17 15 88% 76.05 0.0
15 14:35 Vrbl 6 6.44 Fog/Mist OVC013 17 15 88% 76.05 0.0
15 14:15 Calm 6.44 Fog/Mist OVC013 17 15 88% 76.07 0.0
15 13:55 Vrbl 6 4.83 Fog/Mist BKN013 16 15 94% 76.05 0.0
15 13:35 SW 7 8.05 Overcast with Haze OVC013 17 15 88% 76.05 0.0
15 13:15 Vrbl 6 4.83 Fog/Mist OVC013 17 15 88% 76.07 0.0
15 12:55 Vrbl 7 6.44 Fog/Mist OVC013 16 14 88% 76.07 0.0
15 12:35 Calm 6.44 Fog/Mist OVC013 16 14 88% 76.07 0.0
15 12:15 SW 7 6.44 Overcast OVC013 0 0 0% 76.07 0.0
15 11:55 Vrbl 7 6.44 Fog/Mist OVC013 16 14 88% 76.1 0.0
15 11:35 Calm 6.44 Fog/Mist OVC013 16 14 88% 76.1 0.0
15 11:15 Vrbl 6 6.44 Fog/Mist OVC013 16 14 88% 76.1 0.0
15 10:55 Calm 6.44 Fog/Mist OVC013 16 14 88% 76.07 0.0
15 10:35 W 11 6.44 Fog/Mist OVC013 16 14 88% 76.07 0.0
15 10:15 Calm 4.83 Fog/Mist OVC013 15 14 94% 76.07 0.0
15 09:55 SW 7 4.83 Fog/Mist OVC013 15 14 94% 76.05 0.0
15 09:35 SW 6 4.83 Fog/Mist OVC013 15 14 94% 76.02 0.0
15 09:15 SE 6 6.44 Fog/Mist OVC013 15 14 94% 76.02 0.0
15 08:55 SW 7 6.44 Fog/Mist OVC013 15 14 94% 76.02 0.0
15 08:35 Calm 4.83 Overcast OVC013 0 0 0% 76 0.0
15 08:15 S 7 4.83 Fog/Mist OVC012 15 14 94% 76 0.0
15 07:55 Calm 4.83 Fog/Mist OVC012 15 14 94% 76 0.0
15 07:35 Calm 4.83 Fog/Mist OVC012 15 14 94% 75.97 0.0
15 07:15 Calm 4.83 Fog/Mist OVC012 15 14 94% 75.97 0.0
15 06:55 Calm 6.44 Fog/Mist OVC012 14 14 100% 75.95 0.0
15 06:35 Calm 6.44 Fog/Mist OVC012 15 14 94% 75.92 0.0
15 06:15 Calm 6.44 Fog/Mist OVC012 14 14 100% 75.92 0.0
15 05:55 Calm 6.44 Fog/Mist OVC011 14 14 100% 75.92 0.0
15 05:35 Calm 6.44 Fog/Mist OVC011 14 14 100% 75.9 0.0
15 05:15 Calm 6.44 Fog/Mist OVC011 15 14 94% 75.9 0.0
15 04:55 Calm 6.44 Fog/Mist OVC012 15 14 94% 75.9 0.0
15 04:35 Calm 6.44 Fog/Mist OVC012 15 14 94% 75.92 0.0
15 04:15 Calm 6.44 Fog/Mist OVC012 15 14 94% 75.92 0.0
15 03:55 Calm 6.44 Fog/Mist OVC012 15 14 94% 75.92 0.0
15 03:35 Calm 4.83 Fog/Mist OVC011 15 14 94% 75.92 0.0
15 03:15 Calm 6.44 Fog/Mist OVC011 15 14 94% 75.92 0.0
15 02:55 Calm 6.44 Fog/Mist OVC011 15 14 94% 75.92 0.0
15 02:35 Calm 6.44 Fog/Mist OVC011 15 14 94% 75.92 0.0
15 02:15 Calm 8.05 Fog/Mist OVC011 14 14 100% 75.92 0.0
15 01:55 Calm 8.05 Fog/Mist OVC012 15 14 94% 75.92 0.0
15 01:35 Calm 8.05 Fog/Mist OVC012 14 14 100% 75.92 0.0
15 01:15 Calm 8.05 Fog/Mist OVC012 14 14 100% 75.92 0.0
15 00:35 Calm 8.05 Fog/Mist OVC013 13 13 100% 75.92 0.0
15 00:15 Calm 8.05 Fog/Mist OVC013 12 12 100% 75.92 0.0
14 23:55 Calm 8.05 Fog/Mist OVC014 12 12 100% 75.92 0.0
14 23:35 Calm 8.05 Fog/Mist OVC013 12 12 100% 75.92 0.0
14 23:15 Calm 8.05 Fog/Mist OVC013 12 12 100% 75.95 0.0
14 22:55 Calm 6.44 Fog/Mist OVC013 11 11 100% 75.95 0.0
14 22:35 Calm 8.05 Fog/Mist BKN014 12 12 100% 75.95 0.0
14 22:15 Calm 8.05 Fog/Mist OVC014 12 12 100% 75.95 0.0
14 21:55 Calm 8.05 Fog/Mist OVC014 12 12 100% 75.95 0.0
14 21:35 Calm 8.05 Fog/Mist OVC013 12 12 100% 75.95 0.0
14 20:55 Calm 6.44 Fog/Mist BKN013 13 13 100% 75.95 0.0
14 20:35 Calm 6.44 Fog/Mist BKN013 14 14 100% 75.92 0.0
14 20:15 Calm 6.44 Fog/Mist BKN013 15 15 100% 75.92 0.0
14 19:55 N 9 6.44 Fog/Mist BKN013 15 15 100% 75.9 0.0
14 19:35 N 11 4.83 Fog/Mist FEW013 15 15 100% 75.9 0.0
14 19:15 N 9 4.83 Fog/Mist CLR 15 15 100% 75.92 0.0
14 18:55 NW 15 6.44 Fog/Mist CLR 16 15 94% 75.9 0.0
14 18:35 NW 17 6.44 Fair CLR 0 0 0% 75.9 0.0
14 18:15 NW 20 6.44 Fog/Mist CLR 17 15 88% 75.9 0.0
14 17:55 NW 20 8.05 Fair CLR 0 0 0% 75.9 0.0
14 17:35 NW 15 8.05 Fog/Mist CLR 17 16 94% 75.9 0.0
14 17:15 NW 22 8.05 Fog/Mist CLR 17 15 88% 75.9 0.0
14 16:55 N 19 G 28 8.05 Fog/Mist CLR 18 15 83% 75.9 0.0
14 16:35 NW 22 6.44 Fog/Mist CLR 18 16 88% 75.92 0.0
14 16:15 NW 20 8.05 Fog/Mist CLR 18 16 88% 75.92 0.0
14 15:55 NW 19 8.05 Fair with Haze CLR 18 16 88% 75.92 0.0
14 15:35 NW 20 6.44 Fair with Haze CLR 18 16 88% 75.95 0.0
14 15:15 NW 20 8.05 Fair with Haze CLR 18 16 88% 75.97 0.0
14 14:55 NW 24 8.05 Fair with Haze CLR 18 16 88% 75.97 0.0
14 14:35 NW 24 8.05 Fair with Haze CLR 19 16 83% 76 0.0
14 14:15 NW 22 8.05 Fair with Haze CLR 19 15 78% 76 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)