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 (pst) 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.
30 05:35 Calm 16.09 Fair CLR 7 5 87% 76.91 0.0
30 05:15 Calm 16.09 Fair CLR 7 6 93% 76.96 0.0
30 04:55 Calm 16.09 Fair CLR 8 6 87% 76.96 0.0
30 04:35 E 6 16.09 Fair CLR 8 6 87% 76.94 0.0
30 04:15 E 6 16.09 Fair CLR 8 6 87% 76.96 0.0
30 03:55 Calm 16.09 Fair CLR 10 5 71% 76.94 0.0
30 03:35 Calm 16.09 Fair CLR 8 6 87% 76.96 0.0
30 03:15 Calm 16.09 Fair CLR 8 5 82% 76.99 0.0
30 02:55 NE 6 16.09 Fair CLR 7 6 93% 76.96 0.0
30 02:35 Calm 16.09 Fair CLR 8 6 87% 76.96 0.0
30 02:15 Calm 16.09 Fair CLR 7 5 87% 76.96 0.0
30 01:55 Calm 16.09 Fair CLR 8 5 82% 76.94 0.0
30 01:35 Calm 16.09 Fair CLR 8 5 82% 76.94 0.0
30 01:15 Calm 16.09 Fair CLR 8 5 82% 76.94 0.0
30 00:55 Calm 16.09 Fair CLR 8 6 87% 76.94 0.0
30 00:35 Calm 16.09 Fair CLR 8 5 82% 76.94 0.0
30 00:15 Calm 16.09 Fair CLR 10 5 71% 76.94 0.0
29 23:55 Calm 16.09 Fair CLR 8 6 87% 76.94 0.0
29 23:35 Calm 16.09 Fair CLR 8 7 93% 76.94 0.0
29 23:15 NE 7 16.09 Fair CLR 9 6 82% 8 76.94 0.0
29 22:55 NE 7 16.09 Fair CLR 10 7 82% 9 76.94 0.0
29 22:35 Calm 16.09 Fair CLR 10 6 76% 76.94 0.0
29 22:15 Calm 16.09 Fair CLR 9 5 76% 76.96 0.0
29 21:55 Calm 16.09 Fair CLR 11 5 67% 76.94 0.0
29 21:35 Calm 16.09 Fair CLR 12 5 63% 76.94 0.0
29 21:15 Calm 16.09 Fair CLR 12 6 67% 76.91 0.0
29 20:55 Calm 16.09 Fair CLR 11 7 77% 76.89 0.0
29 20:35 SE 6 16.09 Fair CLR 12 7 72% 76.89 0.0
29 20:15 NE 9 16.09 Fair CLR 15 6 55% 76.89 0.0
29 19:55 E 7 16.09 Fair CLR 14 8 67% 76.86 0.0
29 19:35 E 9 16.09 Fair CLR 14 8 67% 76.84 0.0
29 19:15 NE 7 16.09 Fair CLR 14 8 67% 76.84 0.0
29 18:55 NE 7 16.09 Fair CLR 14 8 67% 76.84 0.0
29 18:35 NE 7 16.09 Fair CLR 15 7 59% 76.84 0.0
29 18:15 NE 7 16.09 Fair CLR 14 8 67% 76.81 0.0
29 17:55 NE 11 16.09 Fair CLR 16 8 59% 76.81 0.0
29 17:35 NE 13 16.09 Fair CLR 16 8 59% 76.81 0.0
29 17:15 NE 15 G 28 16.09 Fair CLR 17 8 56% 76.81 0.0
29 16:55 NE 19 16.09 Fair CLR 18 8 52% 76.81 0.0
29 16:35 Calm 16.09 Fair CLR 18 9 56% 0 0.0
29 16:15 N 11 16.09 Fair CLR 18 11 64% 76.81 0.0
29 15:55 NW 15 12.87 Fair CLR 18 12 68% 76.81 0.0
29 15:35 NW 15 14.48 Fair CLR 18 12 68% 76.84 0.0
29 15:15 NW 15 G 24 14.48 Fair CLR 17 12 73% 76.84 0.0
29 14:55 NW 20 14.48 Fair CLR 18 12 68% 76.84 0.0
29 14:35 NW 15 16.09 Fair CLR 19 11 60% 76.84 0.0
29 14:15 NW 17 16.09 Fair CLR 19 9 52% 76.86 0.0
29 13:15 S 11 16.09 Fair CLR 19 5 40% 76.89 0.0
29 12:55 Calm 16.09 NULL NULL 19 6 43% 76.91 0.0
29 12:35 Vrbl 6 16.09 Fair CLR 18 7 49% 76.94 0.0
29 12:15 NW 7 12.87 Fair CLR 18 7 49% 76.96 0.0
29 11:55 NW 11 16.09 Fair CLR 17 7 52% 76.96 0.0
29 11:35 NW 11 16.09 Fair CLR 17 9 60% 76.99 0.0
29 11:15 W 9 12.87 Fair CLR 16 10 68% 76.99 0.0
29 10:55 NW 9 14.48 Fair CLR 16 10 68% 77.01 0.0
29 10:35 W 9 14.48 Fair CLR 16 9 63% 77.01 0.0
29 10:15 SW 11 14.48 Fair CLR 16 10 68% 77.01 0.0
29 09:55 Calm 14.48 Fair CLR 16 9 63% 77.04 0.0
29 09:35 Calm 16.09 Fair CLR 15 9 68% 77.04 0.0
29 09:15 N 6 12.87 Fair CLR 14 11 82% 77.06 0.0
29 08:55 Calm 12.87 Fair CLR 12 9 82% 77.06 0.0
29 08:35 Calm 16.09 Fair CLR 10 8 88% 77.06 0.0
29 08:15 Calm 16.09 Fair CLR 9 7 87% 77.06 0.0
29 07:55 Calm 16.09 Fair CLR 8 6 87% 77.04 0.0
29 07:35 Calm 16.09 Fair CLR 9 5 76% 77.04 0.0
29 07:15 NW 9 16.09 Fair CLR 8 5 82% 7 77.01 0.0
29 06:55 Calm 16.09 Fair CLR 10 5 71% 76.99 0.0
29 06:35 S 9 16.09 Fair CLR 10 5 71% 9 76.99 0.0
29 06:15 Vrbl 6 16.09 Fair CLR 12 4 58% 76.96 0.0
29 05:55 Calm 16.09 Fair CLR 11 5 67% 76.96 0.0
29 05:35 Calm 14.48 Fair CLR 8 6 87% 76.94 0.0
29 05:15 Calm 16.09 Fair CLR 10 6 76% 76.94 0.0
29 04:55 Calm 16.09 Fair CLR 11 6 72% 76.96 0.0
29 04:35 NE 7 16.09 Fair CLR 12 6 67% 76.96 0.0
29 04:15 Calm 16.09 Fair CLR 14 5 55% 76.96 0.0
29 03:55 NE 11 16.09 Fair CLR 13 6 63% 76.99 0.0
29 03:35 NE 15 16.09 Fair CLR 14 7 63% 76.99 0.0
29 03:15 Calm 16.09 Fair CLR 12 8 77% 77.01 0.0
29 02:55 Calm 14.48 Fair CLR 13 10 82% 77.01 0.0
29 02:35 W 9 14.48 Fair CLR 13 10 82% 77.01 0.0
29 02:15 Calm 16.09 Fair CLR 12 10 88% 76.99 0.0
29 01:55 Calm 16.09 Fair CLR 12 11 94% 77.01 0.0
29 01:35 Calm 16.09 Fair CLR 13 11 88% 77.04 0.0
29 01:15 Calm 16.09 Fair CLR 14 11 82% 77.04 0.0
29 00:55 E 13 G 26 16.09 Fair CLR 12 11 94% 77.01 0.0
29 00:35 Calm 16.09 Fair CLR 12 11 94% 77.04 0.0
29 00:15 Calm 16.09 Fair CLR 11 11 100% 77.04 0.0
28 23:55 Calm 16.09 Fair CLR 10 10 100% 77.06 0.0
28 23:35 E 9 16.09 Fair CLR 10 10 100% 9 77.04 0.0
28 23:15 Calm 16.09 Fair CLR 9 9 100% 77.04 0.0
28 22:55 Calm 14.48 Fair CLR 10 10 100% 77.06 0.0
28 22:35 Calm 16.09 Fair CLR 10 10 100% 77.06 0.0
28 22:15 Calm 16.09 Fair CLR 10 10 100% 77.04 0.0
28 21:35 N 7 14.48 A Few Clouds FEW003 10 10 100% 9 77.01 0.0
28 21:15 Calm 16.09 Fair CLR 10 10 100% 77.04 0.0
28 20:55 Calm 16.09 Fair CLR 11 11 100% 77.04 0.0
28 20:35 N 6 16.09 Fair CLR 12 12 100% 77.01 0.0
28 20:15 N 7 16.09 Fair CLR 12 12 100% 77.01 0.0
28 19:55 N 11 16.09 Fair CLR 13 12 94% 77.04 0.0
28 19:35 Calm 16.09 Fair CLR 13 12 94% 77.04 0.0
28 19:15 N 9 16.09 Fair CLR 13 12 94% 77.04 0.0
28 18:55 N 11 16.09 Fair CLR 13 12 94% 77.04 0.0
28 18:35 N 9 16.09 Fair CLR 13 12 94% 77.04 0.0
28 18:15 NW 9 16.09 Fair CLR 13 12 94% 77.04 0.0
28 17:55 NW 13 16.09 Fair CLR 13 12 94% 77.04 0.0
28 17:35 NW 15 12.87 Fair CLR 13 13 100% 77.04 0.0
28 17:15 N 13 16.09 Fair CLR 14 13 94% 77.04 0.0
28 16:55 NW 15 14.48 Fair CLR 14 13 94% 77.04 0.0
28 16:35 NW 17 14.48 Fair CLR 15 14 94% 77.01 0.0
28 16:15 NW 15 14.48 Fair CLR 16 14 88% 77.04 0.0
28 15:55 N 15 14.48 Fair CLR 16 13 83% 77.04 0.0
28 15:35 NW 13 16.09 Fair CLR 16 13 83% 77.04 0.0
28 15:15 NW 17 14.48 Fair CLR 17 13 77% 77.04 0.0
28 14:55 NW 17 14.48 Fair CLR 17 13 77% 77.04 0.0
28 14:35 NW 17 14.48 Fair CLR 17 14 83% 77.06 0.0
28 14:15 NW 19 14.48 Fair CLR 17 13 77% 77.06 0.0
28 13:55 NW 22 14.48 Fair CLR 17 13 77% 77.06 0.0
28 13:35 N 15 16.09 Fair CLR 17 13 77% 77.06 0.0
28 13:15 N 7 16.09 Fair CLR 18 13 73% 77.06 0.0
28 12:55 Vrbl 7 16.09 Fair CLR 18 13 73% 77.06 0.0
28 12:35 W 11 16.09 Fair CLR 17 13 77% 77.09 0.0
28 12:15 W 9 16.09 Fair CLR 17 12 73% 77.09 0.0
28 11:55 Calm 14.48 Fair CLR 17 13 77% 77.14 0.0
28 11:35 NW 9 16.09 Fair CLR 16 13 83% 77.14 0.0
28 11:15 SW 9 16.09 Fair CLR 16 13 83% 77.17 0.0
28 10:55 W 6 14.48 Fair CLR 16 13 83% 77.17 0.0
28 10:35 NW 6 16.09 Fair CLR 16 13 83% 77.19 0.0
28 10:15 NW 9 16.09 Fair CLR 15 14 94% 77.19 0.0
28 09:55 NW 9 14.48 Fair CLR 14 14 100% 77.17 0.0
28 09:35 NW 6 16.09 Fair CLR 14 14 100% 77.17 0.0
28 09:15 Calm 16.09 Fair CLR 13 13 100% 77.17 0.0
28 08:55 Calm 16.09 Fair CLR 12 12 100% 77.19 0.0
28 08:35 Calm 16.09 Fair CLR 12 12 100% 77.19 0.0
28 08:15 Calm 16.09 Fair CLR 10 10 100% 77.17 0.0
28 07:35 Calm 0.80 Fog OVC003 10 10 100% 77.14 0.0
28 07:15 SE 6 11.27 A Few Clouds FEW003 11 11 100% 77.14 0.0
28 06:55 Calm 14.48 Fair CLR 10 10 100% 77.14 0.0
28 06:35 Calm 16.09 Fair CLR 11 11 100% 77.14 0.0
28 06:15 N 7 16.09 Fair CLR 11 11 100% 77.14 0.0
28 05:55 N 6 14.48 Partly Cloudy SCT021 12 12 100% 77.14 0.0
28 05:35 Calm 16.09 Overcast OVC020 13 13 100% 77.17 0.0
28 05:15 Calm 14.48 Overcast OVC017 13 13 100% 77.17 0.0
28 04:55 Calm 12.87 Overcast OVC016 13 13 100% 77.17 0.0
28 04:35 Calm 11.27 Overcast OVC015 13 13 100% 77.14 0.0
28 04:15 Calm 2.82 Fog/Mist BKN005 BKN009 OVC013 13 13 100% 77.14 0.0
28 03:55 N 6 3.22 Fog/Mist BKN004 OVC008 13 13 100% 77.14 0.0
28 03:35 Calm 11.27 Overcast SCT004 OVC008 13 13 100% 77.11 0.0
28 03:15 SE 13 4.02 Fog/Mist OVC003 13 13 100% 77.11 0.0
28 02:55 SE 7 3.22 Fog/Mist BKN003 OVC009 13 13 100% 77.11 0.0 0.05
28 02:35 S 9 2.82 Fog/Mist BKN004 OVC008 13 13 100% 77.14 0.0
28 02:15 S 9 2.01 Light Rain Fog/Mist OVC003 13 13 100% 77.14 0.0
28 01:55 SW 7 2.01 Light Rain Fog/Mist OVC003 13 13 100% 77.11 0.0 0.15
28 01:35 S 13 1.61 Fog/Mist OVC003 13 13 100% 77.11 0.0
28 01:15 S 11 1.61 Light Rain Fog/Mist OVC004 13 13 100% 77.09 0.0
28 00:55 S 13 2.01 Fog/Mist OVC003 13 13 100% 77.09 0.0 0.1
28 00:35 S 11 2.82 Fog/Mist BKN005 OVC010 13 13 100% 77.09 0.0
28 00:15 S 17 2.01 Fog/Mist BKN005 OVC014 13 13 100% 77.09 0.0
27 23:55 S 15 2.82 Fog/Mist FEW006 OVC021 14 14 100% 77.06 0.0
27 23:35 S 19 6.44 Fog/Mist SCT007 BKN015 OVC024 14 14 100% 77.06 0.0
27 23:15 S 13 12.87 Overcast SCT009 BKN015 OVC028 14 14 100% 77.06 0.0
27 22:55 S 17 9.66 Fog/Mist BKN011 BKN018 OVC029 14 14 100% 77.04 0.0
27 22:35 S 15 16.09 Overcast BKN010 OVC013 14 14 100% 77.04 0.0
27 22:15 S 7 16.09 Overcast BKN013 OVC033 14 14 100% 77.01 0.0
27 21:55 S 7 16.09 Overcast FEW014 SCT023 OVC034 14 14 100% 77.01 0.0
27 21:35 SE 15 14.48 Overcast FEW023 OVC030 14 14 100% 76.99 0.0
27 21:15 SE 11 14.48 Overcast BKN029 OVC035 14 14 100% 76.99 0.0
27 20:55 S 11 16.09 Overcast SCT030 OVC037 14 14 100% 76.99 0.0
27 20:35 S 15 6.44 Fog/Mist SCT012 BKN023 OVC040 14 14 100% 76.99 0.0
27 20:15 S 15 16.09 Overcast BKN012 BKN029 OVC037 14 14 100% 76.99 0.0
27 19:55 S 11 16.09 Overcast BKN011 OVC039 14 14 100% 76.96 0.0
27 19:35 S 13 16.09 Overcast SCT011 OVC043 14 14 100% 76.96 0.0
27 19:15 S 13 16.09 Overcast FEW011 OVC044 14 14 100% 76.96 0.0
27 18:55 S 13 9.66 Fog/Mist FEW012 FEW036 OVC044 14 14 100% 76.94 0.0
27 18:35 S 15 16.09 Overcast OVC044 14 14 100% 76.91 0.0
27 18:15 S 15 16.09 Overcast OVC045 14 14 100% 76.89 0.0
27 17:55 S 13 16.09 Overcast BKN049 OVC055 14 14 100% 76.86 0.0
27 17:35 S 11 16.09 Partly Cloudy SCT050 SCT110 14 14 100% 76.86 0.0
27 17:15 S 9 16.09 Fair CLR 14 14 100% 76.86 0.0
27 16:55 S 11 16.09 Fair CLR 14 14 100% 76.84 0.0
27 16:35 S 15 16.09 A Few Clouds FEW055 14 14 100% 76.84 0.0
27 16:15 S 17 16.09 Mostly Cloudy BKN055 15 14 94% 76.84 0.0
27 15:55 S 19 16.09 A Few Clouds FEW055 14 13 94% 76.86 0.0
27 15:35 S 17 16.09 Mostly Cloudy BKN050 BKN055 14 13 94% 76.86 0.0
27 15:15 S 19 16.09 Overcast OVC050 15 12 82% 76.86 0.0
27 14:55 S 19 G 30 16.09 Overcast OVC050 15 12 82% 76.84 0.0
27 14:35 S 20 16.09 Overcast OVC050 15 13 88% 76.84 0.0
27 14:15 S 20 16.09 Overcast OVC050 15 12 82% 76.84 0.0
27 13:55 S 20 G 30 16.09 Overcast OVC055 15 12 82% 76.84 0.0
27 13:35 S 20 14.48 Overcast OVC055 16 12 77% 76.81 0.0
27 13:15 S 24 16.09 Overcast OVC055 16 11 72% 76.84 0.0
27 12:55 S 24 16.09 Overcast OVC055 15 12 82% 76.84 0.0
27 12:35 S 20 16.09 Overcast OVC055 16 12 77% 76.86 0.0
27 12:15 S 24 16.09 Overcast BKN050 OVC055 16 13 83% 76.86 0.0
27 11:55 S 20 16.09 Overcast FEW050 OVC055 16 13 83% 76.89 0.0
27 11:35 S 19 16.09 Overcast OVC055 16 12 77% 76.89 0.0
27 11:15 S 17 16.09 Overcast FEW050 OVC055 16 9 63% 76.91 0.0
27 10:55 S 19 16.09 Overcast BKN050 OVC055 16 6 52% 76.94 0.0
27 10:35 S 17 16.09 Mostly Cloudy BKN049 BKN055 16 6 52% 76.91 0.0
27 10:15 S 11 16.09 Partly Cloudy SCT050 SCT055 16 6 52% 76.89 0.0
27 09:55 S 13 16.09 Partly Cloudy SCT049 15 5 51% 76.89 0.0
27 09:35 SE 15 16.09 A Few Clouds FEW050 15 3 45% 76.89 0.0
27 09:15 SE 11 16.09 A Few Clouds FEW049 FEW060 14 6 59% 76.89 0.0
27 08:55 Calm 16.09 Partly Cloudy SCT050 SCT060 11 7 77% 76.89 0.0
27 08:35 Calm 16.09 Mostly Cloudy BKN050 10 6 76% 76.89 0.0
27 08:15 Calm 16.09 A Few Clouds FEW050 7 5 87% 76.86 0.0
27 07:55 Calm 16.09 A Few Clouds FEW050 6 4 87% 76.84 0.0
27 07:35 Calm 11.27 Fair CLR 6 4 87% 76.84 0.0
27 07:15 Calm 14.48 Fair CLR 5 4 93% 76.81 0.0
27 06:55 Calm 14.48 Fair CLR 6 4 87% 76.78 0.0
27 06:35 Calm 9.66 Fog/Mist CLR 6 4 87% 76.76 0.0
27 06:15 Calm 16.09 Fair CLR 6 4 87% 76.76 0.0
27 05:55 Calm 9.66 Fog/Mist CLR 6 4 87% 76.78 0.0
Date Time (pst) 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)