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
Imperial (Metric)
Date Time (pdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
31 11:55 NW 12 7.00 Fair CLR 68 60.8 78% 29.97 0.0
31 11:35 NW 14 7.00 Fair CLR 68 60.8 78% 29.97 0.0
31 11:15 NW 13 G 18 9.00 Fair CLR 66.2 60.8 83% 29.97 0.0
31 10:35 N 12 7.00 Fair CLR 66.2 60.8 83% 29.96 0.0
31 10:15 Calm 8.00 Fair CLR 64.4 60.8 88% 29.96 0.0
31 09:55 NW 12 6.00 Fog/Mist CLR 64.4 60.8 88% 29.97 0.0
31 09:35 NW 10 6.00 Fog/Mist CLR 64.4 60.8 88% 29.96 0.0
31 09:15 NW 9 6.00 Fog/Mist CLR 64.4 60.8 88% 29.96 0.0
31 08:55 NW 8 6.00 Fog/Mist CLR 62.6 60.8 94% 29.95 0.0
31 08:35 NW 7 6.00 Fog/Mist CLR 62.6 60.8 94% 29.96 0.0
31 08:15 N 7 5.00 Fog/Mist CLR 60.8 60.8 100% 29.96 0.0
31 07:55 Calm 5.00 Fog/Mist CLR 59 59 100% 29.95 0.0
31 07:35 N 5 4.00 Fog/Mist CLR 57.2 57.2 100% 29.94 0.0
31 07:15 N 5 4.00 Fog/Mist CLR 51.8 51.8 100% 29.94 0.0
31 06:55 Calm 6.00 Fog/Mist FEW005 53.6 53.6 100% 29.94 0.0
31 06:35 Calm 7.00 A Few Clouds FEW005 51.8 51.8 100% 29.94 0.0
31 06:15 Calm 7.00 Partly Cloudy SCT004 51.8 51.8 100% 29.94 0.0
31 05:55 Calm 6.00 Fog/Mist SCT005 51.8 51.8 100% 29.93 0.0
31 05:35 Calm 5.00 Fog/Mist BKN005 51.8 51.8 100% 29.94 0.0
31 05:15 Calm 6.00 Fog/Mist SCT005 51.8 51.8 100% 29.94 0.0
31 04:55 Calm 7.00 Fair CLR 51.8 51.8 100% 29.94 0.0
31 04:35 Calm 6.00 Fog/Mist CLR 51.8 51.8 100% 29.94 0.0
31 04:15 Calm 6.00 Fog/Mist CLR 51.8 51.8 100% 29.94 0.0
31 03:55 Calm 7.00 Fair CLR 51.8 51.8 100% 29.94 0.0
31 03:35 Calm 7.00 Fair CLR 51.8 51.8 100% 29.95 0.0
31 03:15 Calm 7.00 Fair CLR 51.8 51.8 100% 29.94 0.0
31 02:55 Calm 7.00 Fair CLR 51.8 51.8 100% 29.94 0.0
31 02:35 Calm 7.00 Fair CLR 53.6 53.6 100% 29.94 0.0
31 01:15 Calm 9.00 Fair CLR 55.4 53.6 94% 29.94 0.0
31 00:55 Calm 9.00 Fair CLR 55.4 53.6 94% 29.95 0.0
31 00:35 Calm 9.00 Fair CLR 55.4 53.6 94% 29.94 0.0
30 23:55 Calm 8.00 Fair CLR 59 55.4 88% 29.94 0.0
30 23:35 N 6 8.00 Fair CLR 62.6 59 88% 29.95 0.0
30 23:15 N 5 G 14 8.00 Fair CLR 62.6 57.2 83% 29.95 0.0
30 22:55 NW 9 G 15 8.00 A Few Clouds FEW028 62.6 57.2 83% 29.94 0.0
30 22:35 Calm 8.00 Fair CLR 62.6 57.2 83% 29.95 0.0
30 22:15 N 6 8.00 Fair CLR 62.6 57.2 83% 29.94 0.0
30 21:55 N 9 G 21 8.00 Fair CLR 64.4 57.2 78% 29.95 0.0
30 21:35 NW 15 9.00 Fair CLR 62.6 59 88% 29.95 0.0
30 21:15 N 17 G 23 8.00 Fair CLR 62.6 59 88% 29.94 0.0
30 20:55 Calm 9.00 Fair CLR 62.6 57.2 83% 29.95 0.0
30 20:35 NW 6 7.00 Fair CLR 62.6 59 88% 29.94 0.0
30 20:15 NW 9 7.00 Fair CLR 60.8 59 94% 29.94 0.0
30 19:55 NW 10 6.00 Fog/Mist CLR 60.8 60.8 100% 29.94 0.0
30 19:35 NW 14 6.00 Fog/Mist CLR 62.6 59 88% 29.94 0.0
30 19:15 NW 10 G 17 7.00 Fair CLR 64.4 59 83% 29.94 0.0
30 18:55 NW 13 7.00 Fair CLR 66.2 59 78% 29.94 0.0
30 18:35 NW 10 G 16 7.00 Fair CLR 66.2 59 78% 29.94 0.0
30 18:15 NW 15 7.00 Fair CLR 66.2 60.8 83% 29.94 0.0
30 17:55 NW 15 8.00 Fair CLR 66.2 59 78% 29.95 0.0
30 17:35 NW 15 9.00 Fair CLR 69.8 59 69% 29.94 0.0
30 17:15 NW 17 9.00 Fair CLR 71.6 57.2 61% 29.94 0.0
30 16:55 NW 20 G 25 9.00 Fair CLR 69.8 57.2 64% 29.94 0.0
30 16:35 NW 21 9.00 Fair and Breezy CLR 69.8 59 69% 29.94 0.0
30 16:15 NW 20 9.00 Fair CLR 68 60.8 78% 29.94 0.0
30 15:55 NW 17 G 25 9.00 Fair CLR 68 60.8 78% 29.95 0.0
30 15:35 N 17 G 25 9.00 Fair CLR 68 60.8 78% 29.95 0.0
30 15:15 NW 18 G 28 9.00 Fair CLR 68 60.8 78% 29.96 0.0
30 14:55 NW 18 10.00 Fair CLR 68 60.8 78% 29.96 0.0
30 14:35 N 17 G 24 9.00 Fair CLR 68 60.8 78% 29.96 0.0
30 14:15 N 17 9.00 Fair CLR 68 60.8 78% 29.96 0.0
30 13:55 N 15 8.00 Fair CLR 68 60.8 78% 29.97 0.0
30 13:35 NW 14 9.00 Fair CLR 68 62.6 83% 29.98 0.0
30 13:15 NW 13 9.00 Fair CLR 69.8 60.8 73% 29.98 0.0
30 12:55 NW 12 G 18 7.00 Fair CLR 66.2 62.6 88% 29.99 0.0
30 12:35 NW 14 8.00 Fair CLR 66.2 60.8 83% 30 0.0
30 12:15 NW 13 8.00 Fair CLR 68 60.8 78% 30.01 0.0
30 11:55 NW 12 8.00 Fair CLR 68 60.8 78% 30.01 0.0
30 11:35 NW 12 8.00 Fair CLR 66.2 60.8 83% 30.02 0.0
30 11:15 NW 13 8.00 Fair CLR 66.2 60.8 83% 30.02 0.0
30 10:55 NW 12 8.00 Fair CLR 64.4 60.8 88% 30.02 0.0
30 10:35 NW 10 7.00 Fair CLR 64.4 60.8 88% 30.03 0.0
30 10:15 NW 9 8.00 Fair CLR 64.4 60.8 88% 30.03 0.0
30 09:55 NW 8 7.00 Fair CLR 64.4 60.8 88% 30.03 0.0
30 09:35 NW 7 7.00 Fair CLR 62.6 60.8 94% 30.03 0.0
30 09:15 W 7 7.00 Fair CLR 62.6 60.8 94% 30.03 0.0
30 08:55 Calm 8.00 Fair CLR 62.6 59 88% 30.03 0.0
30 08:35 Calm 7.00 Fair CLR 60.8 59 94% 30.02 0.0
30 08:15 Calm 7.00 Fair CLR 59 59 100% 30.02 0.0
30 07:55 Calm 8.00 Fair CLR 55.4 55.4 100% 30.02 0.0
30 07:35 Calm 7.00 Fair CLR 53.6 53.6 100% 30.01 0.0
30 07:15 Calm 6.00 Fog/Mist CLR 51.8 51.8 100% 30.01 0.0
30 06:55 Calm 7.00 Fair CLR 50 50 100% 30.01 0.0
30 06:15 Calm 8.00 Fair CLR 51.8 51.8 100% 30.01 0.0
30 05:55 Calm 8.00 Fair CLR 50 50 100% 30 0.0
30 05:35 Calm 8.00 Fair CLR 50 50 100% 30 0.0
30 05:15 Calm 8.00 Fair CLR 50 50 100% 30 0.0
30 04:55 Calm 9.00 Fair CLR 50 50 100% 30 0.0
30 04:35 Calm 9.00 Fair CLR 51.8 51.8 100% 30 0.0
30 04:15 Calm 9.00 Fair CLR 51.8 51.8 100% 30 0.0
30 03:55 Calm 9.00 Fair CLR 51.8 51.8 100% 30.01 0.0
30 03:35 Calm 9.00 Fair CLR 51.8 51.8 100% 30.01 0.0
30 03:15 Calm 9.00 Fair CLR 51.8 51.8 100% 30.01 0.0
30 02:55 Calm 10.00 Fair CLR 51.8 51.8 100% 30.02 0.0
30 02:35 Calm 9.00 Fair CLR 51.8 51.8 100% 30.01 0.0
30 01:55 Calm 8.00 Fair CLR 59 59 100% 30.02 0.0
30 01:35 NW 5 8.00 Fair CLR 59 57.2 94% 30.02 0.0
30 01:15 N 6 9.00 Fair CLR 59 59 100% 30.02 0.0
30 00:55 N 5 9.00 Fair CLR 59 59 100% 30.03 0.0
30 00:35 N 7 9.00 Fair CLR 59 59 100% 30.03 0.0
29 23:55 N 7 9.00 Fair CLR 59 59 100% 30.04 0.0
29 23:35 N 8 9.00 Fair CLR 59 59 100% 30.04 0.0
29 23:15 N 8 9.00 Fair CLR 59 59 100% 30.04 0.0
29 22:55 N 7 9.00 Fair CLR 59 59 100% 30.05 0.0
29 22:35 N 5 9.00 Fair CLR 59 59 100% 30.05 0.0
29 22:15 N 8 9.00 Fair CLR 59 59 100% 30.05 0.0
29 21:55 N 6 8.00 Fair CLR 59 59 100% 30.06 0.0
29 21:35 N 6 9.00 Fair CLR 59 59 100% 30.06 0.0
29 21:15 N 5 10.00 Fair CLR 60.8 59 94% 30.06 0.0
29 20:55 N 7 9.00 Fair CLR 60.8 59 94% 30.05 0.0
29 20:35 N 8 9.00 Fair CLR 60.8 59 94% 30.05 0.0
29 20:15 N 8 9.00 Fair CLR 60.8 59 94% 30.05 0.0
29 19:55 N 8 9.00 Fair CLR 60.8 59 94% 30.05 0.0
29 19:35 N 8 G 14 9.00 Fair CLR 60.8 59 94% 30.05 0.0
29 19:15 N 15 9.00 Fair CLR 62.6 59 88% 30.04 0.0
29 18:55 N 12 G 20 9.00 Fair CLR 62.6 59 88% 30.05 0.0
29 18:35 N 14 9.00 Fair CLR 64.4 59 83% 30.06 0.0
29 18:15 N 13 G 18 9.00 Fair CLR 64.4 59 83% 30.06 0.0
29 17:55 NW 13 G 18 9.00 Fair CLR 64.4 59 83% 30.06 0.0
29 17:35 N 14 10.00 Mostly Cloudy BKN013 64.4 60.8 88% 30.06 0.0
29 17:15 NW 15 10.00 Overcast OVC013 64.4 60.8 88% 30.06 0.0
29 16:55 NW 14 9.00 Mostly Cloudy BKN013 64.4 60.8 88% 30.07 0.0
29 16:35 Calm 9.00 Partly Cloudy SCT015 64.4 60.8 88% 30.07 0.0
29 16:15 NW 13 G 18 9.00 A Few Clouds FEW016 66.2 59 78% 30.07 0.0
29 15:35 NW 15 10.00 Fair CLR 66.2 59 78% 30.08 0.0
29 15:15 N 16 9.00 Fair CLR 66.2 59 78% 30.08 0.0
29 14:55 NW 12 9.00 Fair CLR 66.2 59 78% 30.09 0.0
29 14:35 NW 10 G 17 10.00 Fair CLR 66.2 59 78% 30.1 0.0
29 14:15 NW 12 9.00 Fair CLR 66.2 59 78% 30.1 0.0
29 13:55 NW 13 G 18 9.00 Fair CLR 66.2 59 78% 30.1 0.0
29 13:35 NW 14 9.00 Fair CLR 66.2 59 78% 30.11 0.0
29 13:15 NW 12 G 17 10.00 Fair CLR 66.2 59 78% 30.11 0.0
29 12:55 NW 14 10.00 Mostly Cloudy BKN016 66.2 59 78% 30.11 0.0
29 12:35 NW 10 G 16 9.00 Overcast OVC016 66.2 59 78% 30.11 0.0
29 12:15 NW 10 G 18 9.00 Overcast OVC016 64.4 59 83% 30.12 0.0
29 11:55 NW 14 10.00 Overcast OVC016 64.4 59 83% 30.12 0.0
29 11:35 NW 13 9.00 Overcast OVC015 64.4 59 83% 30.12 0.0
29 11:15 NW 10 10.00 Overcast OVC015 64.4 59 83% 30.12 0.0
29 10:55 N 10 10.00 Overcast OVC015 64.4 59 83% 30.12 0.0
29 10:35 N 12 10.00 Overcast OVC015 62.6 59 88% 30.12 0.0
29 10:15 N 10 9.00 Overcast OVC015 64.4 59 83% 30.12 0.0
29 09:55 NW 12 10.00 Overcast OVC015 62.6 59 88% 30.12 0.0
29 09:35 N 7 G 14 10.00 Overcast OVC015 62.6 59 88% 30.11 0.0
29 09:15 NW 9 9.00 Overcast OVC015 62.6 59 88% 30.11 0.0
29 08:55 NW 10 9.00 Overcast OVC016 62.6 59 88% 30.11 0.0
29 08:35 NW 7 9.00 Overcast OVC016 62.6 59 88% 30.1 0.0
29 08:15 NW 5 9.00 Overcast OVC015 60.8 59 94% 30.1 0.0
29 07:55 NW 5 9.00 Overcast OVC015 60.8 59 94% 30.09 0.0
29 07:35 Calm 8.00 Overcast OVC015 59 59 100% 30.09 0.0
29 07:15 Calm 9.00 Overcast OVC015 57.2 57.2 100% 30.08 0.0
29 06:55 Calm 9.00 Overcast OVC015 57.2 57.2 100% 30.08 0.0
29 06:35 Calm 9.00 Overcast OVC015 55.4 55.4 100% 30.08 0.0
29 06:15 Calm 9.00 Overcast OVC016 55.4 55.4 100% 30.08 0.0
29 05:55 Calm 10.00 Overcast OVC016 55.4 55.4 100% 30.07 0.0
29 05:35 Calm 10.00 Overcast OVC016 53.6 53.6 100% 30.07 0.0
29 05:15 Calm 9.00 Overcast OVC016 51.8 51.8 100% 30.06 0.0
29 04:55 Calm 9.00 Overcast OVC015 51.8 51.8 100% 30.07 0.0
29 04:35 Calm 9.00 Overcast OVC016 51.8 51.8 100% 30.07 0.0
29 04:15 Calm 9.00 Partly Cloudy SCT017 51.8 51.8 100% 30.06 0.0
29 03:55 E 3 9.00 Fair CLR 50 50 100% 30.06 0.0
29 03:35 Calm 9.00 Fair CLR 50 50 100% 30.06 0.0
29 03:15 Calm 9.00 Fair CLR 51.8 51.8 100% 30.06 0.0
29 02:55 Calm 9.00 Fair CLR 51.8 51.8 100% 30.06 0.0
29 02:35 Calm 10.00 Fair CLR 51.8 51.8 100% 30.06 0.0
29 02:15 Calm 9.00 Fair CLR 51.8 51.8 100% 30.05 0.0
29 01:55 Calm 9.00 Fair CLR 51.8 51.8 100% 30.05 0.0
29 01:35 Calm 9.00 Fair CLR 51.8 51.8 100% 30.05 0.0
29 01:15 Calm 10.00 Fair CLR 51.8 51.8 100% 30.05 0.0
29 00:55 Calm 9.00 Fair CLR 51.8 51.8 100% 30.06 0.0
29 00:35 Calm 9.00 Fair CLR 51.8 51.8 100% 30.06 0.0
29 00:15 Calm 9.00 Fair CLR 51.8 51.8 100% 30.06 0.0
28 23:55 Calm 9.00 Fair CLR 51.8 51.8 100% 30.07 0.0
28 23:35 Calm 9.00 Fair CLR 53.6 53.6 100% 30.07 0.0
28 23:15 Calm 9.00 Fair CLR 53.6 53.6 100% 30.06 0.0
28 22:55 Calm 9.00 Fair CLR 55.4 55.4 100% 30.06 0.0
28 22:35 Calm 9.00 A Few Clouds FEW017 55.4 55.4 100% 30.06 0.0
28 22:15 Calm 10.00 A Few Clouds FEW016 55.4 55.4 100% 30.06 0.0
28 21:55 Calm 10.00 Fair CLR 55.4 55.4 100% 30.06 0.0
28 21:35 Calm 10.00 Fair CLR 57.2 55.4 94% 30.06 0.0
28 21:15 Calm 10.00 Fair CLR 57.2 57.2 100% 30.06 0.0
28 20:55 Calm 10.00 Fair CLR 59 57.2 94% 30.06 0.0
28 20:35 N 3 10.00 Fair CLR 60.8 59 94% 30.06 0.0
28 20:15 N 3 10.00 Fair CLR 60.8 59 94% 30.05 0.0
28 19:55 NW 6 10.00 Fair CLR 60.8 59 94% 30.05 0.0
28 19:35 N 7 9.00 Fair CLR 60.8 59 94% 30.05 0.0
28 19:15 N 8 10.00 Fair CLR 62.6 59 88% 30.05 0.0
28 18:55 NW 8 10.00 Fair CLR 62.6 59 88% 30.05 0.0
28 18:35 N 9 10.00 Fair CLR 62.6 59 88% 30.05 0.0
28 18:15 N 9 10.00 Fair CLR 64.4 59 83% 30.04 0.0
28 17:55 NW 9 9.00 Fair CLR 64.4 59 83% 30.04 0.0
28 17:35 NW 10 9.00 Fair CLR 64.4 59 83% 30.05 0.0
28 17:15 NW 10 10.00 A Few Clouds FEW013 64.4 59 83% 30.05 0.0
28 16:55 NW 12 9.00 A Few Clouds FEW012 66.2 60.8 83% 30.05 0.0
28 16:35 NW 12 10.00 Fair CLR 64.4 59 83% 30.05 0.0
28 16:15 NW 12 G 17 9.00 A Few Clouds FEW013 66.2 60.8 83% 30.04 0.0
28 15:55 NW 12 9.00 Fair CLR 66.2 60.8 83% 30.05 0.0
28 15:35 NW 13 9.00 Fair CLR 66.2 60.8 83% 30.04 0.0
28 15:15 NW 10 10.00 Fair CLR 66.2 59 78% 30.05 0.0
28 14:55 NW 9 10.00 Fair CLR 66.2 59 78% 0 0.0
28 14:35 NW 10 10.00 Fair CLR 66.2 59 78% 30.06 0.0
28 14:15 NW 9 9.00 Fair CLR 66.2 59 78% 30.07 0.0
28 13:55 NW 12 10.00 Fair CLR 66.2 59 78% 30.07 0.0
28 13:35 NW 12 10.00 Fair CLR 66.2 59 78% 30.07 0.0
28 13:15 NW 10 10.00 Fair CLR 66.2 59 78% 30.07 0.0
28 12:55 NW 8 9.00 Fair CLR 68 59 73% 30.07 0.0
28 12:35 NW 10 9.00 Fair CLR 66.2 57.2 73% 30.08 0.0
28 12:15 NW 8 10.00 Fair CLR 68 59 73% 30.09 0.0
Date Time (pdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)