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 06:55 N 6 8.05 Fog/Mist OVC010 12 12 100% 75.92 0.0
09 06:35 E 6 8.05 Fog/Mist OVC010 12 12 100% 75.9 0.0
09 06:15 E 9 8.05 Fog/Mist OVC010 12 12 100% 75.92 0.0
09 05:55 Calm 8.05 Fog/Mist OVC010 12 12 100% 75.92 0.0
09 05:35 Calm 9.66 Fog/Mist OVC010 12 12 100% 75.92 0.0
09 05:15 Calm 8.05 Fog/Mist OVC010 12 12 100% 75.92 0.0
09 04:55 Calm 8.05 Fog/Mist OVC010 12 12 100% 75.92 0.0
09 04:35 Calm 8.05 Fog/Mist OVC010 12 12 100% 75.92 0.0
09 04:15 Calm 8.05 Fog/Mist OVC010 12 12 100% 75.92 0.0
09 03:55 E 7 9.66 Fog/Mist OVC011 11 11 100% 75.95 0.0
09 03:35 NE 9 8.05 Fog/Mist OVC011 11 11 100% 75.97 0.0
09 03:15 NE 7 8.05 Fog/Mist OVC011 11 11 100% 75.97 0.0
09 02:55 E 11 8.05 Fog/Mist OVC010 11 11 100% 76 0.0
09 02:35 NE 9 8.05 Fog/Mist OVC011 11 11 100% 76.02 0.0
09 02:15 NE 9 8.05 Fog/Mist OVC010 11 11 100% 76.02 0.0
09 01:55 E 7 8.05 Fog/Mist OVC010 11 11 100% 76.02 0.0
09 01:35 NE 6 6.44 Fog/Mist OVC010 11 11 100% 76.02 0.0
09 01:15 E 9 6.44 Fog/Mist OVC010 11 11 100% 76.02 0.0
09 00:55 Calm 8.05 Fog/Mist OVC010 11 11 100% 76.02 0.0
09 00:35 E 7 8.05 Fog/Mist OVC010 11 11 100% 76.02 0.0
09 00:15 Calm 6.44 Fog/Mist OVC010 11 11 100% 76.05 0.0
08 23:55 Calm 8.05 Fog/Mist OVC010 11 11 100% 76.05 0.0
08 23:35 Calm 8.05 Fog/Mist BKN010 11 11 100% 76.05 0.0
08 23:15 Calm 8.05 Fog/Mist SCT010 10 10 100% 76.02 0.0
08 22:55 Calm 6.44 Fog/Mist BKN008 11 11 100% 76.02 0.0
08 22:35 Calm 8.05 Fog/Mist BKN008 11 11 100% 76.05 0.0
08 22:15 Calm 6.44 Fog/Mist BKN007 12 12 100% 76.02 0.0
08 21:55 NW 9 4.83 Fog/Mist OVC006 12 12 100% 76.02 0.0
08 21:35 Calm 4.83 Fog/Mist BKN005 12 12 100% 76.02 0.0
08 21:15 N 6 4.83 Fog/Mist OVC006 13 13 100% 76.02 0.0
08 20:55 N 6 6.44 Fog/Mist OVC005 13 13 100% 76.02 0.0
08 20:35 N 6 6.44 Fog/Mist OVC005 13 13 100% 76.02 0.0
08 20:15 N 6 6.44 Fog/Mist SCT006 13 13 100% 76 0.0
08 19:55 Calm 6.44 Fog/Mist SCT005 13 13 100% 76 0.0
08 19:35 N 11 4.83 Fog/Mist OVC005 13 13 100% 76 0.0
08 19:15 NW 15 4.83 Fog/Mist SCT004 13 13 100% 75.97 0.0
08 18:55 NW 15 4.83 Fog/Mist CLR 14 14 100% 75.97 0.0
08 18:35 NW 15 6.44 Fog/Mist CLR 15 15 100% 75.97 0.0
08 18:15 N 19 8.05 Fog/Mist CLR 16 14 88% 75.97 0.0
08 17:55 NW 22 14.48 Fair CLR 17 12 73% 75.97 0.0
08 17:35 NW 15 14.48 Fair CLR 18 10 60% 75.97 0.0
08 17:15 NW 15 14.48 Fair CLR 18 10 60% 76 0.0
08 16:55 NW 9 14.48 Fair CLR 18 11 64% 76.02 0.0
08 16:35 NW 13 14.48 Fair CLR 18 12 68% 76.02 0.0
08 16:15 NW 15 11.27 Fair CLR 18 12 68% 76.05 0.0
08 15:55 NW 15 16.09 Fair CLR 18 12 68% 76.07 0.0
08 15:35 NW 15 14.48 Fair CLR 18 12 68% 76.1 0.0
08 15:15 NW 19 11.27 Fair CLR 17 13 77% 76.12 0.0
08 14:55 NW 20 12.87 Fair CLR 18 15 83% 76.12 0.0
08 14:35 NW 22 11.27 Fair CLR 18 13 73% 76.15 0.0
08 14:15 NW 11 11.27 Fair CLR 19 12 64% 76.15 0.0
08 13:55 NW 11 11.27 Fair CLR 19 13 68% 76.17 0.0
08 13:35 NW 11 11.27 NULL NULL 18 13 73% 76.2 0.0
08 13:15 W 9 11.27 Fair CLR 18 13 73% 76.2 0.0
08 12:55 W 11 11.27 Fair CLR 17 13 77% 76.23 0.0
08 12:35 W 9 14.48 Fair CLR 17 13 77% 76.25 0.0
08 12:15 W 9 12.87 Fair CLR 17 13 77% 76.25 0.0
08 11:55 Calm 14.48 Fair CLR 17 13 77% 76.28 0.0
08 11:35 W 9 12.87 Fair CLR 17 13 77% 76.3 0.0
08 11:15 W 7 9.66 Fair with Haze CLR 16 13 83% 76.33 0.0
08 10:55 W 7 9.66 Fair with Haze CLR 16 13 83% 76.35 0.0
08 10:35 NW 9 9.66 Fog/Mist CLR 16 14 88% 76.35 0.0
08 10:15 NW 13 9.66 Fog/Mist CLR 15 14 94% 76.35 0.0
08 09:55 NW 13 9.66 Fog/Mist CLR 15 14 94% 76.35 0.0
08 09:35 Calm 9.66 Fog/Mist CLR 15 13 88% 76.35 0.0
08 09:15 Calm 12.87 Fair CLR 14 13 94% 76.33 0.0
08 08:55 Calm 12.87 Fair CLR 13 13 100% 76.33 0.0
08 08:35 E 9 14.48 Fair CLR 11 11 100% 76.3 0.0
08 08:15 NE 6 14.48 Fair CLR 10 10 100% 76.33 0.0
08 07:55 Calm 12.87 Fair CLR 9 9 100% 76.33 0.0
08 07:35 Calm 12.87 Fair CLR 9 9 100% 76.3 0.0
08 07:15 NE 9 14.48 Fair CLR 9 9 100% 8 76.3 0.0
08 06:55 Calm 16.09 Fair CLR 9 9 100% 76.3 0.0
08 06:15 Calm 16.09 Fair CLR 10 10 100% 76.3 0.0
08 05:55 Calm 14.48 Fair CLR 9 9 100% 76.3 0.0
08 05:35 Calm 16.09 Fair CLR 9 9 100% 76.3 0.0
08 05:15 E 6 14.48 Fair CLR 8 8 100% 76.3 0.0
08 04:55 Calm 14.48 Fair CLR 11 11 100% 76.3 0.0
08 04:35 Calm 12.87 Fair CLR 10 10 100% 76.3 0.0
08 04:15 E 6 14.48 Fair CLR 8 8 100% 76.33 0.0
08 03:55 Calm 14.48 A Few Clouds FEW004 9 9 100% 76.33 0.0
08 03:35 Calm 16.09 A Few Clouds FEW004 9 9 100% 76.33 0.0
08 03:15 Calm 14.48 Fair CLR 9 9 100% 76.33 0.0
08 01:55 Calm 16.09 Fair CLR 9 9 100% 76.33 0.0
08 01:35 Calm 16.09 Fair CLR 9 9 100% 76.35 0.0
08 01:15 Calm 16.09 Fair CLR 9 9 100% 76.35 0.0
08 00:55 Calm 16.09 Fair CLR 9 9 100% 76.35 0.0
08 00:35 Calm 14.48 Fair CLR 9 9 100% 76.35 0.0
08 00:15 Calm 14.48 Fair CLR 9 9 100% 76.38 0.0
07 23:55 Calm 16.09 Fair CLR 9 9 100% 76.35 0.0
07 23:35 Calm 16.09 Fair CLR 10 10 100% 76.35 0.0
07 23:15 Calm 14.48 Fair CLR 11 10 94% 76.35 0.0
07 22:55 Calm 16.09 Fair CLR 10 9 94% 76.35 0.0
07 22:35 E 6 16.09 Fair CLR 10 10 100% 76.38 0.0
07 22:15 Calm 16.09 Fair CLR 11 10 94% 76.38 0.0
07 21:55 Calm 16.09 Fair CLR 10 10 100% 76.38 0.0
07 21:35 Calm 16.09 Fair CLR 11 10 94% 76.4 0.0
07 21:15 Calm 12.87 Fair CLR 11 11 100% 76.4 0.0
07 20:55 SE 9 9.66 Fog/Mist CLR 12 12 100% 76.4 0.0
07 20:35 SE 11 6.44 Fog/Mist CLR 13 13 100% 76.4 0.0
07 20:15 SE 15 8.05 Fog/Mist CLR 13 13 100% 76.4 0.0
07 19:55 SE 15 8.05 Fog/Mist FEW003 13 13 100% 76.4 0.0
07 19:35 Vrbl 7 9.66 Fog/Mist FEW003 13 13 100% 76.4 0.0
07 19:15 SE 7 9.66 Fog/Mist CLR 14 12 88% 76.38 0.0
07 18:55 S 9 11.27 Fair CLR 14 12 88% 76.38 0.0
07 18:35 Calm 16.09 Fair CLR 15 10 72% 76.38 0.0
07 18:15 NW 9 12.87 Fair CLR 15 11 77% 76.38 0.0
07 17:55 NW 9 12.87 Fair CLR 16 11 72% 76.38 0.0
07 17:35 NW 9 G 22 9.66 Fair with Haze CLR 16 13 83% 76.38 0.0
07 17:15 NW 7 14.48 Fair CLR 17 12 73% 76.38 0.0
07 16:55 N 11 14.48 Fair CLR 17 11 68% 76.38 0.0
07 16:35 N 15 16.09 Fair CLR 18 11 64% 76.38 0.0
07 16:15 NW 20 14.48 Fair CLR 18 10 60% 76.38 0.0
07 15:55 N 13 16.09 Fair CLR 20 6 40% 76.38 0.0
07 15:35 NW 15 14.48 Fair CLR 20 7 43% 76.4 0.0
07 15:15 N 20 16.09 Fair CLR 20 6 40% 76.4 0.0
07 14:55 N 19 G 30 16.09 Fair CLR 20 6 40% 76.4 0.0
07 14:35 N 17 G 28 16.09 Fair CLR 20 6 40% 76.4 0.0
07 14:15 N 19 16.09 Fair CLR 20 7 43% 76.43 0.0
07 13:55 N 19 14.48 Fair CLR 20 8 46% 76.45 0.0
07 13:35 N 28 14.48 Fair CLR 20 9 49% 76.45 0.0
07 13:15 N 24 14.48 Fair CLR 19 11 60% 76.48 0.0
07 12:55 NW 24 14.48 Fair CLR 20 10 53% 76.48 0.0
07 12:35 N 24 G 33 14.48 Fair CLR 23 5 31% 76.5 0.0
07 12:15 NE 11 G 35 16.09 Fair CLR 23 4 29% 76.5 0.0
07 11:55 N 20 G 33 16.09 Fair CLR 23 4 29% 76.53 0.0
07 11:35 N 17 G 26 12.87 Fair CLR 23 5 31% 76.53 0.0
07 11:15 NE 19 G 33 16.09 Fair CLR 22 4 31% 76.56 0.0
07 10:55 Vrbl 11 G 22 14.48 Fair CLR 22 5 33% 76.56 0.0
07 10:35 Vrbl 7 G 28 16.09 Fair CLR 21 4 33% 76.58 0.0
07 10:15 NE 20 16.09 Fair CLR 21 3 31% 76.61 0.0
07 09:55 NE 19 16.09 Fair CLR 21 4 33% 76.58 0.0
07 09:35 NE 24 16.09 Fair CLR 20 3 33% 76.58 0.0
07 09:15 Calm 16.09 NULL NULL 20 4 35% 76.58 0.0
07 08:55 Vrbl 7 G 24 16.09 NULL NULL 19 3 35% 76.58 0.0
07 08:35 Vrbl 7 G 19 16.09 NULL NULL 19 2 32% 76.58 0.0
07 08:15 E 15 16.09 Fair CLR 19 2 32% 76.56 0.0
07 07:55 NE 19 G 35 16.09 Fair CLR 18 1 32% 76.53 0.0
07 07:35 NE 22 G 39 16.09 Fair CLR 18 1 32% 76.5 0.0
07 07:15 NE 19 G 31 16.09 Fair CLR 18 0 30% 76.48 0.0
07 06:55 NE 24 G 48 16.09 Fair CLR 18 1 32% 76.45 0.0
07 06:35 NE 24 G 35 16.09 Fair CLR 17 1 34% 76.45 0.0
07 06:15 NE 22 G 33 16.09 Fair CLR 17 1 34% 76.43 0.0
07 05:55 Vrbl 7 G 26 16.09 Fair CLR 18 1 32% 76.45 0.0
07 05:35 NE 24 G 41 16.09 Fair CLR 18 0 30% 76.43 0.0
07 05:15 NE 13 G 31 16.09 Fair CLR 18 1 32% 76.4 0.0
07 04:55 NE 31 G 52 16.09 Fair CLR 18 1 32% 76.38 0.0
07 04:35 NE 31 G 46 16.09 Fair CLR 18 0 30% 76.35 0.0
07 04:15 NE 24 G 56 16.09 Fair CLR 18 0 30% 76.35 0.0
07 03:55 NE 24 G 54 16.09 NULL NULL 18 0 30% 76.35 0.0
07 03:35 NE 30 G 50 16.09 Fair CLR 18 0 30% 76.35 0.0
07 03:15 NE 41 G 59 16.09 Fair and Breezy CLR 18 0 30% 76.35 0.0
07 02:55 NE 37 G 61 16.09 Fair and Breezy CLR 18 0 30% 76.35 0.0
07 02:35 NE 39 G 54 16.09 Fair and Breezy CLR 18 0 30% 76.38 0.0
07 02:15 NE 33 G 43 16.09 Fair and Breezy CLR 18 0 30% 76.4 0.0
07 01:55 NE 31 G 41 16.09 Fair CLR 18 0 30% 76.43 0.0
07 01:35 NE 33 16.09 Fair and Breezy CLR 18 0 30% 76.45 0.0
07 01:15 NE 31 16.09 Fair CLR 18 1 32% 76.45 0.0
07 00:55 NE 22 16.09 Fair CLR 18 0 30% 76.48 0.0
07 00:35 NE 19 G 35 16.09 Fair CLR 19 0 28% 76.5 0.0
07 00:15 NE 22 G 35 16.09 Fair CLR 18 1 32% 76.5 0.0
06 23:55 N 19 G 30 16.09 Fair CLR 16 3 42% 76.5 0.0
06 23:35 N 17 16.09 Fair CLR 15 5 51% 76.5 0.0
06 23:15 N 17 16.09 Fair CLR 15 6 55% 76.53 0.0
06 22:55 N 19 16.09 Fair CLR 15 5 51% 76.53 0.0
06 22:35 Calm 14.48 Fair CLR 9 7 87% 76.53 0.0
06 22:15 Calm 9.66 Fog/Mist CLR 10 9 94% 76.53 0.0
06 21:55 Vrbl 9 11.27 Fair CLR 9 8 94% 8 76.53 0.0
06 21:35 Calm 9.66 Fog/Mist CLR 8 8 100% 76.56 0.0
06 21:15 Calm 8.05 Fog/Mist CLR 9 9 100% 76.53 0.0
06 20:55 Calm 12.87 Fair CLR 9 8 94% 76.53 0.0
06 20:35 NE 7 6.44 Fog/Mist CLR 10 9 94% 9 76.56 0.0
06 19:55 Calm 6.44 Fog/Mist CLR 11 11 100% 76.53 0.0
06 19:35 N 7 6.44 Fog/Mist CLR 12 12 100% 76.53 0.0
06 19:15 N 9 G 19 8.05 Fog/Mist CLR 12 12 100% 76.53 0.0
06 18:55 N 9 8.05 Fog/Mist CLR 12 12 100% 76.53 0.0
06 18:35 N 9 8.05 Fog/Mist CLR 12 12 100% 76.5 0.0
06 18:15 Calm 6.44 Fog/Mist CLR 13 12 94% 76.5 0.0
06 17:55 N 7 6.44 Fog/Mist CLR 13 12 94% 76.5 0.0
06 17:35 N 11 8.05 Fog/Mist CLR 14 12 88% 76.48 0.0
06 17:15 N 17 9.66 Fair with Haze CLR 14 12 88% 76.5 0.0
06 16:55 NW 19 8.05 Fair with Haze CLR 15 12 82% 76.5 0.0
06 16:35 NW 24 9.66 Fair with Haze CLR 15 11 77% 76.5 0.0
06 16:15 NW 24 11.27 Fair CLR 16 11 72% 76.5 0.0
06 15:55 NW 22 9.66 Fair with Haze CLR 16 12 77% 76.5 0.0
06 15:35 NW 24 9.66 Fair with Haze CLR 16 12 77% 76.5 0.0
06 15:15 NW 28 12.87 Fair CLR 16 10 68% 76.53 0.0
06 14:55 N 24 14.48 Fair CLR 16 10 68% 76.53 0.0
06 14:35 N 26 14.48 Fair CLR 16 10 68% 76.53 0.0
06 14:15 NW 26 11.27 Fair CLR 16 11 72% 76.53 0.0
06 13:55 NW 26 12.87 Fair CLR 15 12 82% 76.56 0.0
06 13:35 NW 28 G 39 11.27 Fair CLR 15 12 82% 76.56 0.0
06 13:15 NW 26 11.27 Fair CLR 16 12 77% 76.56 0.0
06 12:55 NW 24 12.87 Fair CLR 16 11 72% 76.58 0.0
06 12:35 NW 26 14.48 Fair CLR 16 12 77% 76.61 0.0
06 12:15 NW 24 11.27 Fair CLR 15 12 82% 76.61 0.0
06 11:55 NW 26 12.87 Fair CLR 15 12 82% 76.63 0.0
06 11:35 NW 28 G 37 11.27 Fair CLR 15 12 82% 76.66 0.0
06 11:15 NW 28 11.27 Fair CLR 15 12 82% 76.66 0.0
06 10:55 NW 26 11.27 Fair CLR 15 11 77% 76.66 0.0
06 10:35 NW 22 14.48 Fair CLR 15 10 72% 76.66 0.0
06 10:15 NW 20 12.87 Fair CLR 15 11 77% 76.66 0.0
06 09:55 NW 24 11.27 Fair CLR 15 11 77% 76.66 0.0
06 09:35 NW 19 11.27 Fair CLR 15 11 77% 76.66 0.0
06 09:15 NW 22 11.27 Fair CLR 14 11 82% 76.63 0.0
06 08:55 NW 20 12.87 Fair CLR 14 11 82% 76.63 0.0
06 08:35 NW 20 9.66 Fog/Mist CLR 14 12 88% 76.63 0.0
06 08:15 NW 7 9.66 Fair with Haze CLR 13 11 88% 76.63 0.0
06 07:55 N 15 G 24 9.66 Fog/Mist CLR 13 11 88% 76.63 0.0
06 07:35 NW 13 9.66 Fog/Mist CLR 12 11 94% 76.63 0.0
06 07:15 Vrbl 7 6.44 Fair with Haze CLR 10 6 76% 9 76.61 0.0
06 06:55 Calm 14.48 Fair CLR 8 6 87% 76.58 0.0
06 06:35 NW 11 14.48 Fair CLR 12 8 77% 76.58 0.0
06 06:15 NW 15 12.87 Fair CLR 11 8 82% 76.58 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)