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.
01 07:15 W 6 14.48 Overcast OVC008 13 13 100% 76.3 0.0
01 06:55 Calm 14.48 Overcast OVC008 13 13 100% 76.28 0.0
01 06:35 Calm 16.09 Overcast OVC010 13 13 100% 76.28 0.0
01 06:15 Calm 14.48 Overcast OVC010 13 13 100% 76.28 0.0
01 05:55 Calm 9.66 Fog/Mist OVC010 13 13 100% 76.28 0.0
01 05:35 Calm 14.48 Overcast OVC010 13 13 100% 76.25 0.0
01 05:15 Calm 14.48 Overcast OVC010 13 13 100% 76.25 0.0
01 04:35 Calm 14.48 Overcast OVC009 13 13 100% 76.23 0.0
01 03:55 Calm 14.48 Overcast OVC009 12 12 100% 76.23 0.0
01 03:35 Calm 12.87 Overcast OVC009 11 11 100% 76.25 0.0
01 03:15 Calm 16.09 Overcast FEW004 OVC011 11 11 100% 76.2 0.0
01 02:55 Calm 14.48 Mostly Cloudy BKN004 BKN013 11 11 100% 76.2 0.0
01 02:35 Calm 16.09 Mostly Cloudy BKN006 10 10 100% 76.2 0.0
01 02:15 Calm 14.48 Overcast OVC005 11 11 100% 76.25 0.0
01 01:55 Calm 14.48 Overcast OVC004 11 11 100% 76.23 0.0
01 01:35 Calm 14.48 Overcast BKN003 OVC021 12 12 100% 76.25 0.0
01 01:15 Calm 14.48 Mostly Cloudy SCT003 BKN022 12 12 100% 76.25 0.0
01 00:55 Calm 12.87 A Few Clouds FEW003 12 12 100% 76.23 0.0
01 00:35 Calm 11.27 Fair CLR 13 13 100% 76.23 0.0
01 00:15 Calm 11.27 Fair CLR 13 13 100% 76.23 0.0
28 23:55 Calm 9.66 Fog/Mist FEW005 SCT008 SCT011 14 14 100% 76.25 0.0
28 23:35 Calm 9.66 Fog/Mist FEW005 BKN011 14 14 100% 76.28 0.0
28 23:15 NW 7 9.66 Fog/Mist FEW014 13 13 100% 76.28 0.0
28 22:55 N 7 9.66 Fog/Mist FEW003 13 13 100% 76.23 0.0
28 22:35 NW 9 8.05 Fog/Mist FEW003 13 13 100% 76.23 0.0
28 22:15 Calm 14.48 Fair CLR 13 13 100% 76.2 0.0
28 21:35 Calm 14.48 Fair CLR 13 13 100% 76.17 0.0
28 21:15 E 7 11.27 Partly Cloudy SCT003 13 13 100% 76.15 0.0
28 20:55 Calm 11.27 Mostly Cloudy BKN003 13 13 100% 76.17 0.0
28 20:35 Calm 14.48 Fair CLR 14 14 100% 76.17 0.0
28 19:55 Calm 11.27 Fair CLR 14 14 100% 76.17 0.0
28 19:35 NW 6 12.87 Fair CLR 14 14 100% 76.17 0.0
28 19:15 Calm 11.27 A Few Clouds FEW007 14 14 100% 76.12 0.0
28 18:55 N 9 11.27 Mostly Cloudy BKN008 14 14 100% 76.12 0.0
28 18:35 NW 7 11.27 Mostly Cloudy BKN008 15 15 100% 76.1 0.0
28 18:15 NW 9 11.27 A Few Clouds FEW006 15 15 100% 76.1 0.0
28 17:55 NW 7 11.27 A Few Clouds FEW007 15 15 100% 76.1 0.0
28 17:35 NW 7 14.48 Fair CLR 16 16 100% 76.07 0.0
28 17:15 W 6 14.48 Fair CLR 16 16 100% 76.05 0.0
28 16:55 W 7 14.48 Fair CLR 18 15 83% 76.02 0.0
28 16:35 Calm 16.09 Fair CLR 18 15 83% 76 0.0
28 16:15 Calm 16.09 Fair CLR 19 15 78% 76.02 0.0
28 15:35 S 9 16.09 Fair CLR 20 15 73% 76.02 0.0
28 15:15 Calm 14.48 Fair CLR 19 16 83% 76.02 0.0
28 14:55 SE 6 16.09 Fair CLR 19 16 83% 76.05 0.0
28 14:35 Calm 14.48 Fair CLR 19 16 83% 76.05 0.0
28 14:15 SE 6 16.09 Fair CLR 18 16 88% 76.05 0.0
28 13:55 SE 7 16.09 Fair CLR 18 16 88% 76.07 0.0
28 13:35 S 9 14.48 Fair CLR 18 16 88% 76.07 0.0
28 13:15 S 9 14.48 Fair CLR 19 16 83% 76.07 0.0
28 12:55 Calm 16.09 Fair CLR 19 16 83% 76.12 0.0
28 12:35 Calm 16.09 Fair CLR 18 16 88% 76.12 0.0
28 12:15 S 11 16.09 Fair CLR 17 16 94% 76.15 0.0
28 11:55 S 13 14.48 Fair CLR 18 16 88% 76.15 0.0
28 11:35 SE 7 12.87 Fair CLR 18 16 88% 76.15 0.0
28 11:15 Vrbl 7 16.09 Fair CLR 19 16 83% 76.17 0.0
28 10:55 Calm 14.48 Fair CLR 18 16 88% 76.15 0.0
28 10:35 W 11 16.09 Fair CLR 17 16 94% 76.15 0.0
28 10:15 SE 13 14.48 Fair CLR 18 16 88% 76.07 0.0
28 09:55 S 9 14.48 Fair CLR 18 16 88% 76.07 0.0
28 09:35 SE 9 G 19 14.48 Fair CLR 18 15 83% 76.05 0.0
28 09:15 SW 17 14.48 Fair CLR 19 15 78% 76.02 0.0
28 08:55 S 13 16.09 Fair CLR 22 14 61% 76.02 0.0
28 08:35 Calm 16.09 Fair CLR 20 15 73% 76.02 0.0
28 08:15 SE 7 16.09 Fair CLR 19 15 78% 76 0.0
28 07:55 S 9 14.48 Fair CLR 18 15 83% 75.97 0.0
28 07:35 S 13 12.87 Fair CLR 16 15 94% 76 0.0
28 07:15 SE 11 16.09 Fair CLR 16 14 88% 76 0.0
28 06:55 Calm 11.27 Fair CLR 15 14 94% 76.02 0.0
28 06:35 Calm 16.09 Fair CLR 14 13 94% 75.95 0.0
28 06:15 Calm 16.09 Fair CLR 15 14 94% 75.92 0.0
28 05:55 Calm 16.09 Fair CLR 16 13 83% 75.92 0.0
28 05:35 Calm 16.09 Fair CLR 14 13 94% 75.92 0.0
28 05:15 E 6 16.09 Fair CLR 15 13 88% 75.95 0.0
28 04:55 Calm 16.09 Fair CLR 14 14 100% 75.95 0.0
28 04:35 Calm 16.09 Fair CLR 14 14 100% 75.95 0.0
28 04:15 Calm 16.09 Fair CLR 15 14 94% 75.95 0.0
28 03:55 Calm 16.09 Fair CLR 15 14 94% 75.97 0.0
28 03:35 Calm 16.09 Fair CLR 16 15 94% 76 0.0
28 03:15 SE 7 16.09 Fair CLR 16 15 94% 76.02 0.0
28 02:55 Calm 16.09 Fair CLR 16 15 94% 76.02 0.0
28 02:35 Calm 16.09 Fair CLR 16 15 94% 76.05 0.0
28 02:15 Calm 16.09 Fair CLR 16 15 94% 76.05 0.0
28 01:55 N 6 16.09 Fair CLR 16 15 94% 76.07 0.0
28 01:35 Calm 16.09 Fair CLR 17 15 88% 76.1 0.0
28 01:15 Calm 14.48 Fair CLR 17 15 88% 76.07 0.0
28 00:55 Calm 16.09 Fair CLR 18 15 83% 76.07 0.0
28 00:35 W 17 16.09 Fair CLR 18 15 83% 76.1 0.0
28 00:15 Calm 16.09 Fair CLR 16 15 94% 76.1 0.0
27 23:55 Calm 16.09 Fair CLR 17 15 88% 76.12 0.0
27 23:35 Calm 16.09 Fair CLR 17 15 88% 76.15 0.0
27 23:15 E 7 16.09 Fair CLR 17 15 88% 76.17 0.0
27 22:55 W 7 16.09 Fair CLR 19 14 73% 76.17 0.0
27 22:35 E 7 16.09 Fair CLR 21 14 64% 76.15 0.0
27 22:15 Calm 16.09 Fair CLR 18 15 83% 76.15 0.0
27 21:55 Calm 16.09 Fair CLR 17 15 88% 76.17 0.0
27 21:35 Calm 16.09 Fair CLR 17 15 88% 76.2 0.0
27 21:15 Calm 16.09 Fair CLR 18 15 83% 76.23 0.0
27 20:55 Calm 16.09 Fair CLR 19 15 78% 76.23 0.0
27 20:35 Calm 16.09 Fair CLR 18 15 83% 76.25 0.0
27 20:15 NW 6 16.09 Fair CLR 18 15 83% 76.25 0.0
27 19:55 Calm 16.09 Fair CLR 19 15 78% 76.23 0.0
27 19:35 NW 11 16.09 Fair CLR 18 16 88% 76.23 0.0
27 19:15 NW 9 14.48 Fair CLR 18 16 88% 76.23 0.0
27 18:55 NW 15 16.09 Fair CLR 18 16 88% 76.23 0.0
27 18:35 NW 13 16.09 Fair CLR 17 16 94% 76.25 0.0
27 18:15 NW 19 14.48 Fair CLR 17 16 94% 76.25 0.0
27 17:55 NW 15 16.09 Fair CLR 18 15 83% 76.25 0.0
27 17:35 NW 11 16.09 Fair CLR 21 15 69% 76.25 0.0
27 17:15 Calm 16.09 Fair CLR 23 15 61% 76.23 0.0
27 16:55 Calm 16.09 Fair CLR 24 14 54% 25 76.25 0.0
27 16:35 W 6 16.09 Fair CLR 24 14 54% 25 76.23 0.0
27 16:15 NE 9 16.09 Fair CLR 23 14 57% 76.25 0.0
27 15:55 Vrbl 7 14.48 Fair CLR 22 16 69% 76.3 0.0
27 15:35 NW 7 16.09 Fair CLR 23 16 65% 76.33 0.0
27 15:15 NW 9 16.09 Fair CLR 22 16 69% 76.35 0.0
27 14:55 N 9 16.09 Fair CLR 22 16 69% 76.38 0.0
27 14:35 NW 15 16.09 Fair CLR 22 15 65% 76.4 0.0
27 14:15 NW 15 16.09 Fair CLR 21 16 73% 76.4 0.0
27 13:55 NW 19 16.09 Fair CLR 21 16 73% 76.4 0.0
27 13:35 NW 20 16.09 Fair CLR 24 16 61% 25 76.43 0.0
27 13:15 NW 19 16.09 Fair CLR 23 15 61% 76.43 0.0
27 12:55 Vrbl 7 16.09 Fair CLR 26 12 42% 26 76.45 0.0
27 12:35 NE 15 16.09 Fair CLR 26 12 42% 26 76.48 0.0
27 12:15 Vrbl 9 G 22 14.48 Fair CLR 26 12 42% 26 76.5 0.0
27 11:55 E 13 G 24 16.09 Fair CLR 25 11 42% 26 76.5 0.0
27 11:35 E 13 G 24 16.09 Fair CLR 25 11 42% 26 76.53 0.0
27 11:15 NE 15 G 24 16.09 Fair CLR 25 13 47% 26 76.53 0.0
27 10:55 E 19 16.09 Fair CLR 24 10 41% 25 76.53 0.0
27 10:35 NE 13 14.48 Fair CLR 24 10 41% 25 76.56 0.0
27 10:15 E 13 G 26 14.48 Fair CLR 24 10 41% 25 76.56 0.0
27 09:55 E 20 16.09 Fair CLR 23 11 47% 76.56 0.0
27 09:35 Calm 16.09 Fair CLR 23 13 53% 76.56 0.0
27 09:15 W 9 16.09 Fair CLR 22 14 61% 76.56 0.0
27 08:55 Calm 16.09 Fair CLR 22 14 61% 76.56 0.0
27 08:35 E 15 16.09 Fair CLR 21 13 60% 76.56 0.0
27 08:15 Calm 16.09 Fair CLR 19 16 83% 76.56 0.0
27 07:55 E 9 14.48 Fair CLR 18 15 83% 76.58 0.0
27 07:35 Calm 14.48 Fair CLR 14 14 100% 76.58 0.0
27 07:15 Calm 14.48 Fair CLR 13 13 100% 76.58 0.0
27 06:35 Calm 14.48 Fair CLR 15 14 94% 76.58 0.0
27 06:15 NW 11 16.09 Fair CLR 14 14 100% 76.56 0.0
27 05:55 N 7 16.09 Fair CLR 13 13 100% 76.56 0.0
27 05:35 Calm 16.09 Fair CLR 13 13 100% 76.56 0.0
27 05:15 Calm 16.09 Fair CLR 13 13 100% 76.56 0.0
27 04:55 Calm 16.09 Fair CLR 14 13 94% 76.56 0.0
27 04:35 S 7 16.09 Fair CLR 15 13 88% 76.53 0.0
27 04:15 S 7 16.09 Fair CLR 15 13 88% 76.5 0.0
27 03:55 SE 7 16.09 Fair CLR 16 13 83% 76.5 0.0
27 03:35 Calm 16.09 Fair CLR 15 13 88% 76.48 0.0
27 03:15 Vrbl 9 G 24 16.09 Fair CLR 17 14 83% 76.48 0.0
27 02:55 Calm 16.09 Fair CLR 14 13 94% 76.5 0.0
27 02:35 Calm 16.09 Fair CLR 14 13 94% 76.53 0.0
27 02:15 Calm 16.09 Fair CLR 15 13 88% 76.56 0.0
27 01:55 S 11 16.09 Fair CLR 15 13 88% 76.58 0.0
27 01:35 NE 17 G 28 16.09 Fair CLR 19 14 73% 76.56 0.0
27 01:15 Vrbl 6 16.09 Fair CLR 14 12 88% 76.56 0.0
27 00:55 NW 9 16.09 Fair CLR 13 12 94% 76.61 0.0
27 00:35 Calm 16.09 Fair CLR 12 12 100% 76.61 0.0
27 00:15 Calm 16.09 Fair CLR 12 12 100% 76.66 0.0
26 23:55 Calm 16.09 Fair CLR 12 12 100% 76.66 0.0
26 23:35 Calm 16.09 Fair CLR 13 12 94% 76.68 0.0
26 23:15 Calm 16.09 Fair CLR 13 12 94% 76.68 0.0
26 22:55 Calm 16.09 Fair CLR 14 12 88% 76.71 0.0
26 22:35 N 9 16.09 Fair CLR 14 12 88% 76.71 0.0
26 22:15 N 9 16.09 Fair CLR 14 11 82% 76.73 0.0
26 21:55 N 7 16.09 Fair CLR 14 11 82% 76.71 0.0
26 21:35 Calm 16.09 Fair CLR 14 11 82% 76.68 0.0
26 21:15 NW 11 G 20 16.09 Fair CLR 15 10 72% 76.66 0.0
26 20:55 NW 13 16.09 Fair CLR 15 10 72% 76.66 0.0
26 20:35 N 7 G 20 16.09 Fair CLR 16 8 59% 76.66 0.0
26 20:15 NW 11 16.09 Fair CLR 16 3 42% 76.66 0.0
26 19:55 N 11 G 20 16.09 Fair CLR 17 4 42% 76.66 0.0
26 19:35 N 13 G 26 16.09 Fair CLR 17 8 56% 76.66 0.0
26 19:15 N 11 16.09 Fair CLR 17 9 60% 76.66 0.0
26 18:55 NW 15 16.09 Fair CLR 16 12 77% 76.66 0.0
26 18:35 NW 15 16.09 Fair CLR 15 15 100% 76.66 0.0
26 18:15 NW 15 14.48 Fair CLR 15 15 100% 76.66 0.0
26 17:55 NW 15 14.48 Fair CLR 16 15 94% 76.63 0.0
26 17:35 NW 20 16.09 Fair CLR 16 15 94% 76.63 0.0
26 17:15 NW 24 G 33 16.09 Fair CLR 17 16 94% 76.63 0.0
26 16:55 NW 22 14.48 Fair CLR 19 15 78% 76.63 0.0
26 16:35 NW 17 16.09 Fair CLR 19 14 73% 76.61 0.0
26 16:15 NW 22 16.09 Fair CLR 20 14 69% 76.61 0.0
26 15:55 NW 26 16.09 Fair CLR 19 15 78% 76.61 0.0
26 15:35 NW 24 16.09 Fair CLR 19 15 78% 76.61 0.0
26 15:15 N 19 G 30 16.09 Fair CLR 21 11 53% 76.61 0.0
26 14:55 NW 20 16.09 Fair CLR 23 13 53% 76.61 0.0
26 14:35 N 13 16.09 Fair CLR 24 13 50% 25 76.58 0.0
26 14:15 N 13 16.09 Fair CLR 24 12 47% 25 76.61 0.0
26 13:55 NW 17 16.09 Fair CLR 23 13 53% 76.61 0.0
26 13:35 Calm 16.09 Fair CLR 25 9 36% 26 76.63 0.0
26 13:15 NE 15 16.09 Fair CLR 25 8 34% 26 76.63 0.0
26 12:55 Calm 16.09 Fair CLR 24 11 44% 25 76.66 0.0
26 12:35 Calm 16.09 Fair CLR 24 12 47% 25 76.68 0.0
26 12:15 W 6 16.09 Fair CLR 23 12 50% 76.71 0.0
26 11:55 Calm 14.48 Fair CLR 23 14 57% 76.73 0.0
26 11:35 NW 7 16.09 Fair CLR 22 16 69% 76.73 0.0
26 11:15 NW 7 16.09 Fair CLR 21 15 69% 76.76 0.0
26 10:55 NW 13 16.09 Fair CLR 20 15 73% 76.81 0.0
26 10:35 NW 15 14.48 Fair CLR 19 16 83% 76.81 0.0
26 10:15 NW 9 16.09 Fair CLR 19 16 83% 76.81 0.0
26 09:55 NW 11 14.48 Fair CLR 18 16 88% 76.81 0.0
26 09:35 NW 7 11.27 Fair CLR 18 16 88% 76.81 0.0
26 09:15 Calm 14.48 Fair CLR 17 16 94% 76.81 0.0
26 08:55 Calm 14.48 Fair CLR 15 15 100% 76.81 0.0
26 08:35 Calm 16.09 Fair CLR 15 15 100% 76.81 0.0
26 08:15 Calm 14.48 Fair CLR 13 13 100% 76.78 0.0
26 07:55 Calm 16.09 Fair CLR 12 12 100% 76.78 0.0
26 07:35 Calm 16.09 Fair CLR 11 11 100% 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)