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.
09 21:35 NW 11 14.48 Fair CLR 21 12 57% 76.17 0.0
09 21:15 Calm 14.48 Fair CLR 22 12 53% 76.17 0.0
09 20:55 NW 13 16.09 Fair CLR 24 10 41% 25 76.15 0.0
09 20:35 NW 13 14.48 Fair CLR 25 8 34% 26 76.12 0.0
09 20:15 N 19 14.48 Fair CLR 25 9 36% 26 76.1 0.0
09 19:55 NW 17 16.09 Fair CLR 25 9 36% 26 76.1 0.0
09 19:35 NW 15 14.48 Fair CLR 25 9 36% 26 76.07 0.0
09 19:15 NW 17 14.48 Fair CLR 25 9 36% 26 76.07 0.0
09 18:55 NW 15 14.48 Fair CLR 27 9 32% 27 76.07 0.0
09 18:35 NW 17 12.87 Fair CLR 27 8 30% 26 76.07 0.0
09 18:15 N 13 14.48 Fair CLR 31 7 22% 29 76.07 0.0
09 17:55 N 11 14.48 Fair CLR 30 6 22% 28 76.07 0.0
09 17:35 N 15 14.48 Fair CLR 29 6 23% 28 76.07 0.0
09 17:15 N 17 14.48 Fair CLR 29 7 25% 28 76.1 0.0
09 16:55 NW 19 G 28 14.48 Fair CLR 30 7 24% 28 76.1 0.0
09 16:35 NW 22 14.48 Fair CLR 29 7 25% 28 76.12 0.0
09 16:15 NW 24 14.48 Fair CLR 30 7 24% 28 76.12 0.0
09 15:55 NW 26 14.48 Fair CLR 32 7 21% 30 76.15 0.0
09 15:35 NW 26 G 35 14.48 Fair CLR 30 10 29% 29 76.17 0.0
09 15:15 NW 31 14.48 Fair CLR 30 11 31% 29 76.17 0.0
09 14:55 NW 28 14.48 Fair CLR 29 10 31% 28 76.2 0.0
09 14:35 NW 24 12.87 Fair CLR 32 9 24% 30 76.2 0.0
09 14:15 NW 22 12.87 Fair CLR 31 10 27% 29 76.23 0.0
09 13:55 NW 24 14.48 Fair CLR 30 10 29% 29 76.25 0.0
09 13:35 Calm 9.66 Fair with Haze CLR 27 16 51% 27 76.25 0.0
09 13:15 SE 15 12.87 Fair CLR 25 17 61% 26 76.28 0.0
09 12:55 S 13 11.27 Fair CLR 29 18 51% 30 76.28 0.0
09 12:35 NW 7 12.87 Fair CLR 30 15 40% 30 76.3 0.0
09 12:15 NW 9 9.66 Fair with Haze CLR 27 17 54% 28 76.3 0.0
09 11:55 NW 11 11.27 Fair CLR 24 17 65% 25 76.33 0.0
09 11:35 W 9 9.66 Fair with Haze CLR 27 18 58% 28 76.35 0.0
09 11:15 Calm 9.66 Fair with Haze CLR 23 16 65% 76.38 0.0
09 10:55 Calm 11.27 Fair CLR 21 18 83% 76.4 0.0
09 10:35 S 9 11.27 Fair CLR 21 18 83% 76.38 0.0
09 10:15 SE 7 8.05 Fog/Mist CLR 20 18 88% 76.35 0.0
09 09:55 S 9 9.66 Fog/Mist CLR 19 17 88% 76.35 0.0
09 09:35 SE 13 6.44 Fair with Haze CLR 20 17 83% 76.33 0.0
09 09:15 SE 7 8.05 Fair with Haze CLR 21 17 78% 76.33 0.0
09 08:55 Calm 9.66 Fog/Mist CLR 20 18 88% 76.33 0.0
09 08:35 Calm 8.05 Fog/Mist CLR 19 17 88% 76.33 0.0
09 08:15 Calm 8.05 Fog/Mist CLR 18 17 94% 76.33 0.0
09 07:55 Calm 11.27 Fair CLR 17 15 88% 76.3 0.0
09 07:35 Calm 11.27 Fair CLR 16 14 88% 76.28 0.0
09 07:15 Calm 14.48 Fair CLR 14 13 94% 76.3 0.0
09 06:55 SW 6 14.48 Fair CLR 13 12 94% 76.28 0.0
09 06:35 Calm 14.48 Fair CLR 13 12 94% 76.28 0.0
09 06:15 Calm 14.48 Fair CLR 14 13 94% 76.28 0.0
09 05:55 N 7 14.48 Fair CLR 13 13 100% 76.25 0.0
09 05:35 NE 6 14.48 Fair CLR 13 12 94% 76.28 0.0
09 05:15 Calm 14.48 Fair CLR 13 12 94% 76.3 0.0
09 04:55 Calm 14.48 Fair CLR 14 12 88% 76.28 0.0
09 04:35 NW 6 14.48 Fair CLR 13 13 100% 76.25 0.0
09 04:15 Calm 14.48 Fair CLR 0 0 0% 76.25 0.0
09 03:55 Calm 14.48 Fair CLR 14 13 94% 76.28 0.0
09 03:35 Calm 11.27 Fair CLR 13 13 100% 76.25 0.0
09 03:15 Calm 12.87 Fair CLR 13 13 100% 76.23 0.0
09 02:55 Calm 12.87 Fair CLR 13 13 100% 76.25 0.0
09 02:35 Calm 12.87 Fair CLR 14 13 94% 76.25 0.0
09 02:15 NE 6 12.87 Fair CLR 15 13 88% 76.25 0.0
09 01:55 NE 7 12.87 Fair CLR 15 13 88% 76.23 0.0
09 01:35 NW 9 12.87 A Few Clouds FEW044 14 14 100% 76.23 0.0
09 01:15 Calm 12.87 A Few Clouds FEW043 15 14 94% 76.25 0.0
09 00:55 NE 6 14.48 Fair CLR 14 13 94% 76.25 0.0
09 00:35 Calm 11.27 Fair CLR 0 0 0% 76.25 0.0
09 00:15 Calm 12.87 Fair CLR 15 14 94% 76.25 0.0
08 23:55 Calm 12.87 A Few Clouds FEW003 15 15 100% 76.28 0.0
08 23:35 Calm 12.87 Partly Cloudy SCT003 SCT044 15 15 100% 76.3 0.0
08 23:15 Calm 12.87 A Few Clouds FEW044 16 14 88% 76.28 0.0
08 22:55 Calm 9.66 Fog/Mist FEW002 FEW045 16 14 88% 76.25 0.0
08 22:35 Calm 12.87 Fair CLR 16 15 94% 76.25 0.0
08 22:15 Calm 14.48 Fair CLR 16 15 94% 76.25 0.0
08 21:55 Calm 9.66 Fog/Mist CLR 17 16 94% 76.25 0.0
08 21:35 Calm 9.66 Fog/Mist CLR 17 16 94% 76.23 0.0
08 21:15 Calm 9.66 Fog/Mist CLR 17 17 100% 76.23 0.0
08 20:55 Calm 8.05 Fog/Mist CLR 18 18 100% 76.17 0.0
08 20:35 NW 7 8.05 Fog/Mist CLR 18 18 100% 76.17 0.0
08 20:15 NW 9 9.66 Fog/Mist CLR 18 17 94% 76.15 0.0
08 19:55 NW 11 11.27 Fair CLR 19 17 88% 76.15 0.0
08 19:35 NW 7 8.05 Fog/Mist NULL 18 17 94% 76.17 0.0
08 19:15 NW 13 8.05 Fog/Mist NULL 19 17 88% 76.15 0.0
08 18:55 NW 9 9.66 Fair with Haze CLR 20 16 78% 76.15 0.0
08 18:35 Calm 9.66 Fair with Haze CLR 21 17 78% 76.12 0.0
08 17:55 NW 7 9.66 Fair with Haze CLR 20 17 83% 76.12 0.0
08 17:35 NW 11 9.66 Fair with Haze CLR 21 17 78% 76.12 0.0
08 17:15 NW 11 9.66 Fair with Haze CLR 21 17 78% 76.12 0.0
08 16:55 NW 15 8.05 Fair with Haze CLR 21 18 83% 76.15 0.0
08 16:35 NW 17 9.66 Fair with Haze CLR 21 17 78% 76.15 0.0
08 16:15 NW 17 11.27 Fair CLR 21 17 78% 76.12 0.0
08 15:55 NW 15 9.66 Fair with Haze CLR 21 17 78% 76.15 0.0
08 15:35 NW 20 11.27 Fair CLR 21 17 78% 76.15 0.0
08 15:15 NW 17 9.66 Fair with Haze CLR 21 17 78% 76.15 0.0
08 14:55 W 13 12.87 Fair CLR 24 15 57% 25 76.17 0.0
08 14:35 Calm 12.87 Fair CLR 23 14 57% 76.17 0.0
08 14:15 Calm 11.27 Fair CLR 22 14 61% 76.2 0.0
08 13:55 S 7 11.27 Fair CLR 22 16 69% 76.2 0.0
08 13:35 SW 7 11.27 Fair CLR 21 15 69% 76.2 0.0
08 13:15 S 9 9.66 Fair with Haze CLR 21 16 73% 76.2 0.0
08 12:55 S 11 11.27 NULL NULL 21 15 69% 76.23 0.0
08 12:15 SE 9 11.27 Fair CLR 21 15 69% 76.23 0.0
08 11:55 SE 13 12.87 Fair CLR 21 16 73% 76.23 0.0
08 11:35 SW 13 11.27 Fair CLR 21 14 64% 76.23 0.0
08 11:15 Calm 12.87 Fair CLR 21 14 64% 76.2 0.0
08 10:55 S 9 12.87 Fair CLR 20 15 73% 76.23 0.0
08 10:35 S 7 11.27 Fair CLR 20 15 73% 76.23 0.0
08 10:15 S 7 12.87 Fair CLR 20 14 69% 76.23 0.0
08 09:55 S 9 12.87 Fair CLR 0 0 0% 76.2 0.0
08 09:35 S 9 14.48 Fair CLR 19 14 73% 76.17 0.0
08 09:15 S 6 12.87 Fair CLR 19 14 73% 76.17 0.0
08 08:55 Calm 11.27 NULL NULL 17 16 94% 76.2 0.0
08 08:35 S 7 11.27 Fair CLR 17 16 94% 76.17 0.0
08 08:15 Calm 12.87 Fair CLR 15 14 94% 76.17 0.0
08 07:55 Calm 12.87 Fair CLR 13 13 100% 76.15 0.0
08 07:35 Calm 12.87 Fair CLR 11 11 100% 76.12 0.0
08 06:55 NE 6 12.87 Fair CLR 10 10 100% 76.1 0.0
08 06:35 Calm 14.48 Fair CLR 10 10 100% 76.1 0.0
08 06:15 Calm 14.48 Fair CLR 10 10 100% 76.07 0.0
08 05:55 Calm 14.48 Fair CLR 10 10 100% 76.07 0.0
08 05:35 Calm 12.87 Fair CLR 11 11 100% 76.05 0.0
08 05:15 Calm 14.48 A Few Clouds FEW050 11 11 100% 76.02 0.0
08 04:55 Calm 12.87 Fair CLR 10 10 100% 76.02 0.0
08 04:35 Calm 14.48 Fair CLR 10 10 100% 76.05 0.0
08 04:15 Calm 14.48 Fair CLR 11 11 100% 76.05 0.0
08 03:55 Calm 14.48 Fair CLR 10 10 100% 76.05 0.0
08 03:35 Calm 14.48 Fair CLR 10 10 100% 76.05 0.0
08 03:15 Calm 14.48 Fair CLR 10 10 100% 76.02 0.0
08 02:55 Calm 14.48 Fair CLR 10 10 100% 76 0.0
08 02:35 Calm 14.48 Fair CLR 11 11 100% 76.02 0.0
08 02:15 Calm 14.48 Fair CLR 11 11 100% 76 0.0
08 01:55 Calm 14.48 Fair CLR 10 10 100% 76.02 0.0
08 01:35 Calm 14.48 Fair CLR 11 11 100% 76.02 0.0
08 01:15 NE 7 16.09 Fair CLR 11 10 94% 76.02 0.0
08 00:55 Calm 14.48 Fair CLR 11 10 94% 76.02 0.0
08 00:35 Calm 16.09 Fair CLR 11 10 94% 76.02 0.0
08 00:15 Calm 14.48 Fair CLR 11 10 94% 76.02 0.0
07 23:55 Calm 14.48 Fair CLR 12 11 94% 76.02 0.0
07 23:35 Calm 14.48 Fair CLR 12 11 94% 76.02 0.0
07 23:15 Calm 16.09 Fair CLR 12 11 94% 76.02 0.0
07 22:55 Calm 16.09 A Few Clouds FEW003 12 11 94% 76.02 0.0
07 22:35 Calm 16.09 A Few Clouds FEW003 13 11 88% 76.02 0.0
07 22:15 Calm 16.09 Fair CLR 13 12 94% 76.05 0.0
07 21:55 Calm 14.48 Fair CLR 13 12 94% 76.05 0.0
07 21:35 Calm 14.48 Fair CLR 14 12 88% 76.05 0.0
07 21:15 Calm 14.48 Fair CLR 15 13 88% 76.05 0.0
07 20:55 Calm 12.87 Fair CLR 15 12 82% 76.02 0.0
07 20:35 Calm 14.48 Fair CLR 16 12 77% 76.02 0.0
07 20:15 Calm 14.48 Fair CLR 17 12 73% 76 0.0
07 19:55 N 7 14.48 Fair CLR 19 11 60% 76 0.0
07 19:35 N 9 12.87 Fair CLR 19 11 60% 76 0.0
07 19:15 N 11 14.48 Fair CLR 20 11 56% 76.02 0.0
07 18:55 N 11 G 24 14.48 Fair CLR 20 11 56% 76.02 0.0
07 18:35 N 19 G 28 14.48 Fair CLR 20 12 60% 76 0.0
07 18:15 N 20 14.48 Fair CLR 20 14 69% 76.02 0.0
07 17:55 NW 19 12.87 Fair CLR 20 14 69% 76.02 0.0
07 17:35 N 19 14.48 Fair CLR 20 14 69% 76.02 0.0
07 17:15 N 19 12.87 Fair CLR 20 14 69% 76.02 0.0
07 16:55 NW 19 11.27 Fair CLR 20 14 69% 76.05 0.0
07 16:35 NW 19 11.27 Fair CLR 20 15 73% 76.05 0.0
07 16:15 N 19 9.66 Fair with Haze CLR 20 16 78% 76.05 0.0
07 15:55 NW 19 9.66 Haze NULL 20 17 83% 76.07 0.0
07 15:35 NW 19 9.66 Haze NULL 19 16 83% 76.05 0.0
07 15:15 NW 17 12.87 Fair CLR 20 16 78% 76.07 0.0
07 14:55 W 9 11.27 Fair CLR 19 16 83% 76.1 0.0
07 14:35 Vrbl 6 9.66 Fair with Haze CLR 19 16 83% 76.12 0.0
07 14:15 W 11 9.66 Fog/Mist CLR 18 16 88% 76.12 0.0
07 13:55 NW 11 9.66 Fog/Mist CLR 17 16 94% 76.15 0.0
07 13:35 W 11 8.05 Fog/Mist FEW005 18 16 88% 76.15 0.0
07 13:15 Vrbl 9 8.05 Fog/Mist CLR 17 16 94% 76.15 0.0
07 12:55 W 13 6.44 Fog/Mist CLR 18 16 88% 76.15 0.0
07 12:35 W 13 8.05 Fair with Haze CLR 19 16 83% 76.17 0.0
07 12:15 NW 13 8.05 Fair with Haze CLR 19 16 83% 76.17 0.0
07 11:55 NW 13 8.05 Fair with Haze CLR 18 16 88% 76.2 0.0
07 11:35 NW 11 8.05 Fair CLR 0 0 0% 76.2 0.0
07 11:15 NW 11 8.05 Fog/Mist CLR 18 16 88% 76.2 0.0
07 10:55 W 9 8.05 Fog/Mist NULL 18 16 88% 76.2 0.0
07 10:35 W 9 0.00 NULL NULL 0 0 0% 76.2 0.0
07 10:15 W 9 8.05 Fog/Mist CLR 17 15 88% 76.2 0.0
07 09:55 SW 6 8.05 Fog/Mist CLR 17 16 94% 76.2 0.0
07 09:35 SW 6 8.05 Fog/Mist CLR 16 15 94% 76.2 0.0
07 09:15 SW 6 6.44 Fog/Mist FEW008 16 15 94% 76.2 0.0
07 08:55 W 7 6.44 A Few Clouds FEW009 0 0 0% 76.2 0.0
07 08:35 Calm 8.05 Fog/Mist CLR 15 15 100% 76.2 0.0
07 08:15 Calm 11.27 Fair CLR 14 14 100% 76.2 0.0
07 07:55 Calm 9.66 Fog/Mist CLR 12 12 100% 76.17 0.0
07 07:35 Calm 9.66 Fog/Mist CLR 11 11 100% 76.17 0.0
07 07:15 Calm 9.66 Fog/Mist CLR 11 11 100% 76.15 0.0
07 06:55 Calm 9.66 Fog/Mist SCT009 10 10 100% 76.12 0.0
07 06:35 Calm 11.27 NULL NULL 0 0 0% 76.12 0.0
07 06:15 Calm 0.00 NULL NULL 11 11 100% 76.1 0.0
07 05:55 Calm 11.27 Fair CLR 11 11 100% 76.1 0.0
07 05:35 NE 6 11.27 Fair CLR 12 12 100% 76.1 0.0
07 05:15 Calm 11.27 Fair CLR 12 12 100% 76.1 0.0
07 04:55 Calm 12.87 Fair CLR 0 0 0% 0 0.0
07 04:35 E 7 11.27 Partly Cloudy SCT012 13 13 100% 76.12 0.0
07 04:15 Calm 11.27 Mostly Cloudy BKN012 14 14 100% 76.12 0.0
07 03:55 E 11 11.27 Overcast OVC012 14 14 100% 76.1 0.0
07 03:35 E 7 11.27 Overcast OVC012 14 14 100% 76.12 0.0
07 03:15 NE 6 11.27 Overcast OVC012 15 15 100% 76.12 0.0
07 02:55 Calm 11.27 Overcast OVC013 14 14 100% 76.12 0.0
07 02:35 Calm 11.27 Overcast OVC013 15 15 100% 76.12 0.0
07 02:15 Calm 9.66 Fog/Mist BKN014 15 15 100% 76.15 0.0
07 01:55 Calm 8.05 Fog/Mist OVC015 15 15 100% 76.15 0.0
07 01:35 Calm 8.05 Fog/Mist OVC013 15 15 100% 76.17 0.0
07 01:15 Calm 8.05 Fog/Mist OVC012 16 15 94% 76.17 0.0
07 00:55 Calm 9.66 Fog/Mist OVC012 15 15 100% 76.15 0.0
07 00:35 W 7 9.66 Fog/Mist OVC013 15 15 100% 76.15 0.0
07 00:15 NW 6 9.66 Fog/Mist OVC013 16 15 94% 76.12 0.0
06 23:55 NW 9 11.27 Overcast OVC013 0 0 0% 76.15 0.0
06 23:35 NW 9 9.66 Fog/Mist OVC013 16 15 94% 76.17 0.0
06 23:15 NW 7 9.66 Fog/Mist OVC013 16 15 94% 76.17 0.0
06 22:55 NW 7 9.66 Fog/Mist OVC013 16 15 94% 76.17 0.0
06 22:35 NW 20 11.27 Overcast OVC013 16 15 94% 76.17 0.0
06 22:15 NW 17 11.27 Overcast OVC014 0 0 0% 76.17 0.0
06 21:55 NW 17 11.27 Overcast OVC015 16 15 94% 76.17 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)