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.
19 19:55 S 19 16.09 Fair CLR 13 12 94% 75.84 0.0
19 19:35 S 17 14.48 Fair CLR 14 13 94% 75.84 0.0
19 19:15 S 22 14.48 Fair CLR 14 12 88% 75.84 0.0
19 18:55 S 20 14.48 Fair CLR 14 13 94% 75.84 0.0
19 18:35 S 20 16.09 Fair CLR 15 12 82% 75.84 0.0
19 18:15 S 20 16.09 Fair CLR 15 12 82% 75.87 0.0
19 17:55 S 17 16.09 Fair CLR 15 12 82% 75.87 0.0
19 17:35 S 17 16.09 Fair CLR 15 12 82% 75.9 0.0
19 17:15 S 15 14.48 Fair CLR 16 13 83% 75.87 0.0
19 16:55 S 13 16.09 A Few Clouds FEW016 16 14 88% 75.87 0.0
19 16:35 S 15 16.09 Partly Cloudy SCT015 15 13 88% 75.87 0.0
19 16:15 S 15 14.48 Mostly Cloudy BKN015 16 14 88% 75.87 0.0
19 15:55 S 11 14.48 Mostly Cloudy BKN015 16 13 83% 75.9 0.0
19 15:35 S 13 16.09 Partly Cloudy SCT014 16 14 88% 75.9 0.0
19 15:15 S 13 16.09 A Few Clouds FEW014 16 14 88% 75.92 0.0
19 14:55 S 15 14.48 Fair CLR 16 14 88% 75.92 0.0
19 14:35 S 15 14.48 Fair CLR 16 14 88% 75.92 0.0
19 14:15 S 13 14.48 Fair CLR 16 14 88% 75.95 0.0
19 13:55 S 15 16.09 Fair CLR 15 14 94% 75.95 0.0
19 13:35 S 11 16.09 A Few Clouds FEW013 16 14 88% 75.95 0.0
19 13:15 S 13 14.48 Fair CLR 15 13 88% 75.97 0.0
19 12:55 S 9 14.48 Fair CLR 15 13 88% 76 0.0
19 12:35 S 13 16.09 Partly Cloudy SCT013 15 13 88% 76 0.0
19 12:15 S 13 14.48 Overcast OVC013 0 0 0% 76 0.0
19 11:55 S 11 14.48 Mostly Cloudy BKN013 15 13 88% 76.02 0.0
19 11:35 SE 15 14.48 Mostly Cloudy BKN013 15 14 94% 76.02 0.0
19 11:15 S 11 14.48 Mostly Cloudy BKN013 14 13 94% 76.02 0.0
19 10:55 S 11 14.48 Mostly Cloudy BKN013 14 13 94% 76.05 0.0
19 10:35 SW 9 14.48 A Few Clouds FEW013 14 13 94% 76.02 0.0
19 10:15 S 9 14.48 A Few Clouds FEW013 14 13 94% 76 0.0
19 09:55 Vrbl 9 14.48 A Few Clouds FEW013 13 12 94% 76 0.0
19 09:35 SW 9 14.48 A Few Clouds FEW013 14 13 94% 76 0.0
19 09:15 SE 9 14.48 Fair CLR 13 13 100% 75.97 0.0
19 08:55 SE 11 14.48 Fair CLR 13 13 100% 75.95 0.0
19 08:35 SE 9 14.48 Fair CLR 13 12 94% 75.95 0.0
19 08:15 Calm 16.09 Fair CLR 12 12 100% 75.95 0.0
19 07:55 Calm 16.09 Mostly Cloudy BKN010 10 10 100% 75.97 0.0
19 07:35 Calm 14.48 Mostly Cloudy BKN010 9 9 100% 75.97 0.0
19 07:15 Calm 14.48 Fair CLR 9 9 100% 75.92 0.0
19 06:55 NE 9 14.48 A Few Clouds FEW010 9 9 100% 8 75.92 0.0
19 06:35 Calm 16.09 Mostly Cloudy BKN011 9 9 100% 75.9 0.0
19 06:15 E 7 16.09 Overcast OVC011 10 10 100% 9 75.92 0.0
19 05:55 Calm 14.48 Overcast OVC012 10 10 100% 75.92 0.0
19 05:35 E 11 16.09 Overcast OVC012 10 10 100% 9 75.92 0.0
19 05:15 E 6 16.09 Overcast OVC011 0 0 0% 75.92 0.0
19 04:55 Calm 16.09 Overcast OVC011 10 10 100% 75.92 0.0
19 04:35 NE 7 16.09 Overcast OVC011 10 10 100% 9 75.95 0.0
19 04:15 Calm 16.09 Overcast OVC011 10 10 100% 75.95 0.0
19 03:55 Vrbl 7 16.09 Overcast OVC011 10 10 100% 9 75.95 0.0
19 03:35 NE 7 16.09 Overcast OVC011 0 0 0% 75.95 0.0
19 03:15 NE 9 14.48 Overcast OVC009 9 9 100% 8 75.95 0.0
19 02:55 Calm 16.09 Overcast OVC008 9 9 100% 75.97 0.0
19 02:35 Calm 16.09 Mostly Cloudy BKN008 9 9 100% 75.97 0.0
19 02:15 NE 7 16.09 Overcast OVC008 9 9 100% 8 75.97 0.0
19 01:55 NE 6 16.09 Overcast OVC008 9 9 100% 75.97 0.0
19 01:35 Calm 16.09 Overcast OVC009 9 9 100% 76 0.0
19 01:15 Calm 16.09 Mostly Cloudy BKN010 9 9 100% 76 0.0
19 00:55 NE 7 16.09 Partly Cloudy SCT009 9 9 100% 8 76.02 0.0
19 00:35 Calm 16.09 Fair CLR 9 9 100% 76.05 0.0
19 00:15 Calm 16.09 A Few Clouds FEW008 0 0 0% 76.02 0.0
18 23:55 Calm 16.09 Partly Cloudy SCT008 10 10 100% 76.02 0.0
18 23:35 Calm 14.48 Fair CLR 10 10 100% 76.05 0.0
18 23:15 Calm 14.48 Fair CLR 11 11 100% 76.02 0.0
18 22:55 Calm 16.09 Fair CLR 11 11 100% 76.02 0.0
18 22:35 Calm 14.48 Fair CLR 11 11 100% 76.05 0.0
18 22:15 Calm 14.48 A Few Clouds FEW008 11 11 100% 76.05 0.0
18 21:55 E 6 14.48 Mostly Cloudy BKN009 12 12 100% 76.05 0.0
18 21:35 Calm 14.48 Mostly Cloudy BKN009 12 12 100% 76.05 0.0
18 21:15 Calm 14.48 Partly Cloudy SCT009 12 12 100% 76.05 0.0
18 20:55 Calm 14.48 Fair CLR 12 12 100% 76.05 0.0
18 20:35 Calm 12.87 Fair CLR 0 0 0% 76.02 0.0
18 20:15 Calm 12.87 Fair CLR 13 13 100% 76.02 0.0
18 19:55 Calm 11.27 Fair CLR 13 13 100% 76.02 0.0
18 19:35 Calm 11.27 Fair CLR 13 13 100% 76.02 0.0
18 19:15 W 7 9.66 Fog/Mist CLR 13 13 100% 76.02 0.0
18 18:55 W 7 12.87 Fair CLR 14 13 94% 76.02 0.0
18 18:35 W 6 12.87 Fair CLR 14 13 94% 76.02 0.0
18 18:15 W 9 14.48 Fair CLR 15 13 88% 76.05 0.0
18 17:55 Calm 14.48 Fair CLR 15 13 88% 76.05 0.0
18 17:35 W 7 14.48 Fair CLR 0 0 0% 76.05 0.0
18 17:15 W 7 14.48 Fair CLR 15 13 88% 76.05 0.0
18 16:55 W 9 12.87 Fair CLR 15 13 88% 76.07 0.0
18 16:35 NW 9 12.87 Fair CLR 15 13 88% 76.1 0.0
18 16:15 W 11 12.87 Fair CLR 15 14 94% 76.1 0.0
18 15:55 W 11 12.87 Fair CLR 15 14 94% 76.12 0.0
18 15:35 W 13 12.87 Fair CLR 15 13 88% 76.12 0.0
18 15:15 W 11 14.48 Fair CLR 16 13 83% 76.15 0.0
18 14:55 W 13 14.48 Fair CLR 16 14 88% 76.15 0.0
18 14:35 W 13 14.48 Fair CLR 16 13 83% 76.17 0.0
18 14:15 W 13 14.48 Fair CLR 16 13 83% 76.17 0.0
18 13:55 W 11 14.48 Fair CLR 16 13 83% 76.17 0.0
18 13:35 NW 11 14.48 Fair CLR 16 13 83% 76.17 0.0
18 13:15 NW 11 14.48 Fair CLR 16 13 83% 76.17 0.0
18 12:55 NW 11 11.27 Fair CLR 16 13 83% 76.2 0.0
18 12:35 NW 11 14.48 Fair CLR 16 13 83% 76.2 0.0
18 12:15 NW 15 12.87 Fair CLR 16 13 83% 76.2 0.0
18 11:55 NW 11 14.48 Fair CLR 15 13 88% 76.2 0.0
18 11:35 NW 13 14.48 Fair CLR 15 13 88% 76.23 0.0
18 11:15 NW 9 12.87 Fair CLR 15 12 82% 76.23 0.0
18 10:55 W 11 14.48 Fair CLR 15 12 82% 76.2 0.0
18 10:35 Vrbl 9 11.27 Fair CLR 14 12 88% 76.2 0.0
18 10:15 W 11 12.87 Fair CLR 14 12 88% 76.2 0.0
18 09:55 Vrbl 7 12.87 Fair CLR 14 12 88% 76.23 0.0
18 09:35 NW 11 12.87 Fair CLR 13 12 94% 76.23 0.0
18 09:15 NW 11 11.27 Fair CLR 13 12 94% 76.23 0.0
18 08:55 NW 11 11.27 Fair CLR 13 12 94% 76.23 0.0
18 08:35 N 13 11.27 Fair CLR 12 12 100% 76.23 0.0
18 08:15 N 6 14.48 Fair CLR 12 12 100% 76.23 0.0
18 07:55 Calm 16.09 Fair CLR 9 9 100% 76.23 0.0
18 07:35 Calm 16.09 Fair CLR 7 7 100% 76.23 0.0
18 07:15 Calm 16.09 Fair CLR 0 0 0% 76.23 0.0
18 06:55 Calm 16.09 Fair CLR 5 5 100% 76.23 0.0
18 06:35 Calm 16.09 Fair CLR 5 5 100% 76.2 0.0
18 06:15 Calm 16.09 Fair CLR 5 5 100% 76.23 0.0
18 05:55 Calm 16.09 Fair CLR 5 5 100% 76.23 0.0
18 05:35 Calm 16.09 Fair CLR 5 5 100% 76.23 0.0
18 05:15 Calm 16.09 Fair CLR 5 5 100% 76.23 0.0
18 04:55 Calm 16.09 Fair CLR 5 5 100% 76.23 0.0
18 04:35 Calm 16.09 Fair CLR 5 5 100% 76.25 0.0
18 04:15 Calm 16.09 Fair CLR 5 5 100% 76.28 0.0
18 03:55 Calm 16.09 Fair CLR 5 5 100% 76.28 0.0
18 03:35 Calm 16.09 Fair CLR 5 5 100% 76.28 0.0
18 03:15 Calm 16.09 Fair CLR 5 5 100% 76.28 0.0
18 02:55 Calm 16.09 Fair CLR 6 5 93% 76.28 0.0
18 02:35 Calm 16.09 Fair CLR 6 6 100% 76.28 0.0
18 02:15 Calm 16.09 Fair CLR 6 5 93% 76.3 0.0
18 01:55 Calm 16.09 Fair CLR 6 5 93% 76.33 0.0
18 01:35 Calm 16.09 Fair CLR 6 5 93% 76.33 0.0
18 01:15 Calm 16.09 Fair CLR 6 5 93% 76.33 0.0
18 00:55 NE 7 16.09 Fair CLR 6 5 93% 5 76.33 0.0
18 00:35 Calm 16.09 Fair CLR 7 5 87% 76.33 0.0
18 00:15 E 9 16.09 Fair CLR 7 5 87% 5 76.33 0.0
17 23:55 Calm 16.09 Fair CLR 7 4 81% 76.35 0.0
17 23:35 Calm 16.09 Fair CLR 8 4 76% 76.35 0.0
17 23:15 NE 6 16.09 Fair CLR 8 5 82% 76.35 0.0
17 22:55 N 7 14.48 Fair CLR 11 10 94% 76.35 0.0
17 22:35 Calm 14.48 Fair CLR 11 10 94% 76.35 0.0
17 22:15 N 9 16.09 Fair CLR 12 10 88% 76.35 0.0
17 21:55 Calm 16.09 Fair CLR 12 10 88% 76.35 0.0
17 21:35 N 13 16.09 Fair CLR 12 10 88% 76.35 0.0
17 21:15 N 11 16.09 Fair CLR 12 10 88% 76.33 0.0
17 20:55 N 15 14.48 Fair CLR 12 11 94% 76.3 0.0
17 20:35 N 17 14.48 Fair CLR 12 11 94% 76.3 0.0
17 20:15 N 17 16.09 Fair CLR 12 11 94% 76.3 0.0
17 19:35 NW 20 16.09 Fair CLR 0 0 0% 76.3 0.0
17 19:15 N 17 16.09 Fair CLR 13 10 82% 76.3 0.0
17 18:55 N 20 16.09 Fair CLR 14 10 77% 76.3 0.0
17 18:35 NW 20 16.09 Fair CLR 14 9 72% 76.3 0.0
17 18:15 NW 20 16.09 Fair CLR 15 9 68% 76.3 0.0
17 17:55 N 24 16.09 Fair CLR 15 10 72% 76.3 0.0
17 17:35 N 22 14.48 Fair CLR 16 7 55% 76.3 0.0
17 17:15 N 20 16.09 Fair CLR 16 7 55% 76.3 0.0
17 16:55 N 22 14.48 Fair CLR 16 6 52% 76.33 0.0
17 16:35 N 22 16.09 Fair CLR 16 8 59% 76.35 0.0
17 16:15 N 28 14.48 Fair CLR 16 9 63% 76.35 0.0
17 15:55 NW 26 16.09 Fair CLR 16 10 68% 76.35 0.0
17 15:35 NW 26 G 37 16.09 Fair CLR 16 10 68% 76.38 0.0
17 15:15 NW 30 14.48 Fair CLR 17 10 64% 76.35 0.0
17 14:55 N 30 14.48 Fair CLR 17 9 60% 76.38 0.0
17 14:35 NW 26 G 35 16.09 Fair CLR 17 9 60% 76.38 0.0
17 14:15 N 26 14.48 Fair CLR 18 3 37% 76.38 0.0
17 13:55 NW 28 16.09 Fair CLR 18 1 32% 76.38 0.0
17 13:35 NW 30 16.09 Fair CLR 18 2 34% 76.38 0.0
17 13:15 NW 26 16.09 Fair CLR 18 4 40% 76.38 0.0
17 12:55 N 28 16.09 Fair CLR 19 -1 26% 76.38 0.0
17 12:35 NW 22 16.09 Fair CLR 19 -2 24% 76.38 0.0
17 12:15 NW 20 16.09 Fair CLR 19 2 32% 76.4 0.0
17 11:55 NW 17 16.09 Fair CLR 19 -2 24% 76.4 0.0
17 11:35 NE 19 G 33 16.09 Fair CLR 19 -5 19% 76.43 0.0
17 11:15 E 13 G 26 14.48 Fair CLR 18 -7 18% 76.43 0.0
17 10:55 NW 19 16.09 Fair CLR 0 0 0% 76.43 0.0
17 10:35 NE 19 G 28 16.09 Fair CLR 18 -7 18% 76.4 0.0
17 10:15 N 13 G 24 16.09 Fair CLR 17 -5 22% 76.4 0.0
17 09:55 E 20 16.09 Fair CLR 17 -7 19% 76.4 0.0
17 09:35 N 11 16.09 NULL NULL 16 -3 27% 76.38 0.0
17 09:15 Calm 16.09 Fair CLR 16 -4 25% 0 0.0
17 08:55 NE 11 16.09 Fair CLR 16 -2 29% 76.38 0.0
17 08:35 N 11 16.09 Fair CLR 15 -2 31% 76.38 0.0
17 08:15 Vrbl 6 16.09 Fair CLR 14 -3 31% 76.35 0.0
17 07:55 N 13 16.09 Fair CLR 14 -3 31% 76.33 0.0
17 07:35 Calm 16.09 Fair CLR 14 -5 27% 76.33 0.0
17 07:15 Vrbl 7 16.09 Fair CLR 13 -6 26% 76.33 0.0
17 06:55 Vrbl 7 16.09 Fair CLR 12 -6 28% 76.3 0.0
17 06:35 Calm 16.09 Fair CLR 13 -7 24% 76.28 0.0
17 06:15 N 6 16.09 Fair CLR 13 -7 24% 76.28 0.0
17 05:55 Calm 16.09 Fair CLR 13 -8 23% 76.3 0.0
17 05:35 Calm 16.09 Fair CLR 13 -7 24% 76.28 0.0
17 05:15 Vrbl 6 G 20 16.09 Fair CLR 13 -8 23% 76.28 0.0
17 04:55 Vrbl 6 16.09 Fair CLR 13 -7 24% 76.28 0.0
17 04:35 Calm 16.09 Fair CLR 13 -5 28% 76.28 0.0
17 04:15 NW 7 16.09 Fair CLR 13 -5 28% 76.28 0.0
17 03:55 NW 9 16.09 Fair CLR 14 -6 25% 76.25 0.0
17 03:35 N 6 16.09 Fair CLR 14 -5 27% 76.25 0.0
17 03:15 Vrbl 7 16.09 Fair CLR 14 -6 25% 76.25 0.0
17 02:55 N 11 16.09 Fair CLR 15 -6 23% 76.25 0.0
17 02:35 N 9 16.09 Fair CLR 14 -5 27% 76.28 0.0
17 02:15 NW 6 16.09 Fair CLR 14 -5 27% 76.28 0.0
17 01:55 N 11 G 24 16.09 Fair CLR 15 -5 25% 76.28 0.0
17 01:35 N 15 16.09 Fair CLR 15 -6 23% 76.3 0.0
17 01:15 N 19 16.09 Fair CLR 15 -5 25% 76.28 0.0
17 00:55 N 20 14.48 Fair CLR 12 2 51% 76.28 0.0
17 00:35 N 11 G 22 9.66 Fair with Haze CLR 12 8 77% 76.3 0.0
17 00:15 NW 15 9.66 Fog/Mist CLR 11 11 100% 76.3 0.0
16 23:55 NW 19 9.66 Fog/Mist CLR 11 11 100% 76.3 0.0
16 23:35 NW 19 8.05 Fog/Mist CLR 11 11 100% 76.3 0.0
16 23:15 NW 15 8.05 Fog/Mist FEW003 11 11 100% 76.33 0.0
16 22:55 NW 15 8.05 Fog/Mist CLR 11 11 100% 76.33 0.0
16 22:35 N 15 8.05 Fog/Mist CLR 11 10 94% 76.33 0.0
16 22:15 NW 17 9.66 Fog/Mist CLR 11 10 94% 76.33 0.0
16 21:55 N 19 9.66 Fog/Mist CLR 12 10 88% 76.33 0.0
16 21:35 N 15 G 26 9.66 Fog/Mist CLR 12 11 94% 76.35 0.0
16 21:15 N 22 9.66 Fog/Mist CLR 12 10 88% 76.33 0.0
16 20:55 N 26 G 35 11.27 Fair CLR 12 10 88% 76.3 0.0
16 20:35 N 22 G 35 11.27 Fair CLR 13 10 82% 76.3 0.0
16 20:15 N 24 G 33 11.27 Fair CLR 0 0 0% 76.28 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)