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 (pst) 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.
26 20:55 NW 8 10.00 Fair CLR 59 50 72% 30.18 0.0
26 20:35 N 5 G 13 10.00 Fair CLR 60.8 46.4 59% 30.18 0.0
26 20:15 NW 7 10.00 Fair CLR 60.8 37.4 42% 30.18 0.0
26 19:55 N 7 G 13 10.00 Fair CLR 62.6 39.2 42% 30.18 0.0
26 19:35 N 8 G 16 10.00 Fair CLR 62.6 46.4 56% 30.18 0.0
26 19:15 N 7 10.00 Fair CLR 62.6 48.2 60% 30.18 0.0
26 18:55 NW 9 10.00 Fair CLR 60.8 53.6 77% 30.18 0.0
26 18:35 NW 9 10.00 Fair CLR 59 59 100% 30.18 0.0
26 18:15 NW 9 9.00 Fair CLR 59 59 100% 30.18 0.0
26 17:55 NW 9 9.00 Fair CLR 60.8 59 94% 30.17 0.0
26 17:35 NW 13 10.00 Fair CLR 60.8 59 94% 30.17 0.0
26 17:15 NW 15 G 21 10.00 Fair CLR 62.6 60.8 94% 30.17 0.0
26 16:55 NW 14 9.00 Fair CLR 66.2 59 78% 30.17 0.0
26 16:35 NW 10 10.00 Fair CLR 66.2 57.2 73% 30.16 0.0
26 16:15 NW 14 10.00 Fair CLR 68 57.2 69% 30.16 0.0
26 15:55 NW 16 10.00 Fair CLR 66.2 59 78% 30.16 0.0
26 15:35 NW 15 10.00 Fair CLR 66.2 59 78% 30.16 0.0
26 15:15 N 12 G 18 10.00 Fair CLR 69.8 51.8 53% 30.16 0.0
26 14:55 NW 13 10.00 Fair CLR 73.4 55.4 53% 30.16 0.0
26 14:35 N 8 10.00 Fair CLR 75.2 55.4 50% 78 30.15 0.0
26 14:15 N 8 10.00 Fair CLR 75.2 53.6 47% 78 30.16 0.0
26 13:55 NW 10 10.00 Fair CLR 73.4 55.4 53% 30.16 0.0
26 13:35 Calm 10.00 Fair CLR 77 48.2 36% 78 30.17 0.0
26 13:15 NE 9 10.00 Fair CLR 77 46.4 34% 78 30.17 0.0
26 12:55 Calm 10.00 Fair CLR 75.2 51.8 44% 78 30.18 0.0
26 12:35 Calm 10.00 Fair CLR 75.2 53.6 47% 78 30.19 0.0
26 12:15 W 3 10.00 Fair CLR 73.4 53.6 50% 30.2 0.0
26 11:55 Calm 9.00 Fair CLR 73.4 57.2 57% 30.21 0.0
26 11:35 NW 5 10.00 Fair CLR 71.6 60.8 69% 30.21 0.0
26 11:15 NW 5 10.00 Fair CLR 69.8 59 69% 30.22 0.0
26 10:55 NW 8 10.00 Fair CLR 68 59 73% 30.24 0.0
26 10:35 NW 9 9.00 Fair CLR 66.2 60.8 83% 30.24 0.0
26 10:15 NW 6 10.00 Fair CLR 66.2 60.8 83% 30.24 0.0
26 09:55 NW 7 9.00 Fair CLR 64.4 60.8 88% 30.24 0.0
26 09:35 NW 5 7.00 Fair CLR 64.4 60.8 88% 30.24 0.0
26 09:15 Calm 9.00 Fair CLR 62.6 60.8 94% 30.24 0.0
26 08:55 Calm 9.00 Fair CLR 59 59 100% 30.24 0.0
26 08:35 Calm 10.00 Fair CLR 59 59 100% 30.24 0.0
26 08:15 Calm 9.00 Fair CLR 55.4 55.4 100% 30.23 0.0
26 07:55 Calm 10.00 Fair CLR 53.6 53.6 100% 30.23 0.0
26 07:35 Calm 10.00 Fair CLR 51.8 51.8 100% 30.23 0.0
26 07:15 NW 3 10.00 Fair CLR 51.8 51.8 100% 30.22 0.0
26 06:55 NW 3 9.00 Fair CLR 50 50 100% 30.21 0.0
26 06:35 Calm 6.00 Fog/Mist CLR 50 50 100% 30.2 0.0
26 06:15 Calm 9.00 Fair CLR 50 50 100% 30.2 0.0
26 05:55 Calm 9.00 Fair CLR 50 50 100% 30.21 0.0
26 05:35 Calm 9.00 Fair CLR 50 50 100% 30.2 0.0
26 05:15 Calm 6.00 Fog/Mist CLR 50 50 100% 30.2 0.0
26 04:55 Calm 8.00 Fair CLR 50 50 100% 30.2 0.0
26 04:35 Calm 5.00 Fog/Mist CLR 50 50 100% 30.18 0.0
26 04:15 Calm 8.00 Fair CLR 51.8 51.8 100% 30.17 0.0
26 03:55 Calm 8.00 Fair CLR 51.8 51.8 100% 30.17 0.0
26 03:35 Calm 9.00 Fair CLR 53.6 53.6 100% 30.18 0.0
26 03:15 NW 6 5.00 Fog/Mist CLR 53.6 53.6 100% 30.17 0.0
26 02:55 Calm 8.00 Fair CLR 51.8 51.8 100% 30.18 0.0
26 02:35 Calm 9.00 Fair CLR 51.8 51.8 100% 30.18 0.0
26 02:15 Calm 8.00 Fair CLR 51.8 51.8 100% 30.18 0.0
26 01:55 Calm 1.25 Fog/Mist SCT002 53.6 53.6 100% 30.18 0.0
26 01:35 NW 6 0.75 Fog/Mist OVC002 53.6 53.6 100% 30.18 0.0
26 01:15 N 6 1.00 Fog/Mist BKN002 53.6 53.6 100% 30.19 0.0
26 00:55 Calm 1.00 Fog/Mist BKN002 53.6 53.6 100% 30.18 0.0
26 00:35 N 6 0.25 Fog OVC002 55.4 55.4 100% 30.18 0.0
26 00:15 N 6 0.50 Fog OVC002 55.4 55.4 100% 30.2 0.0
25 23:55 N 3 0.50 Fog/Mist OVC002 55.4 55.4 100% 30.19 0.0
25 23:35 Calm 1.00 Fog/Mist OVC003 55.4 55.4 100% 30.19 0.0
25 23:15 N 3 2.00 Fog/Mist OVC002 55.4 55.4 100% 30.2 0.0
25 22:55 N 7 0.25 Fog OVC002 55.4 55.4 100% 30.19 0.0
25 22:35 N 7 4.00 Fog/Mist OVC003 55.4 55.4 100% 30.18 0.0
25 22:15 NW 8 8.00 Mostly Cloudy BKN003 55.4 55.4 100% 30.19 0.0
25 21:55 Calm 7.00 Mostly Cloudy BKN003 55.4 55.4 100% 30.17 0.0
25 21:35 N 6 7.00 Fair CLR 55.4 55.4 100% 30.17 0.0
25 21:15 NW 3 6.00 Fog/Mist CLR 55.4 55.4 100% 30.16 0.0
25 20:55 Calm 7.00 Fair CLR 55.4 55.4 100% 30.15 0.0
25 20:35 Calm 7.00 Fair CLR 57.2 57.2 100% 30.15 0.0
25 20:15 NW 5 7.00 Fair CLR 55.4 55.4 100% 30.15 0.0
25 19:55 Calm 7.00 Fair CLR 55.4 55.4 100% 30.15 0.0
25 19:35 N 5 6.00 Fog/Mist FEW003 SCT120 55.4 55.4 100% 30.14 0.0
25 18:35 N 5 9.00 Mostly Cloudy BKN004 57.2 57.2 100% 30.13 0.0
25 18:15 N 6 8.00 Partly Cloudy SCT004 57.2 57.2 100% 30.13 0.0
25 17:55 N 6 7.00 Fair CLR 57.2 57.2 100% 30.12 0.0
25 17:35 NW 8 9.00 Fair CLR 57.2 57.2 100% 30.12 0.0
25 17:15 N 6 9.00 Fair CLR 59 59 100% 30.12 0.0
25 16:55 NW 6 5.00 Fog/Mist CLR 59 59 100% 30.12 0.0
25 16:35 NW 7 7.00 Fair CLR 59 59 100% 30.11 0.0
25 15:55 Calm 0.75 Fog/Mist OVC003 59 59 100% 30.12 0.0
25 15:35 N 8 2.00 Fog/Mist OVC003 59 59 100% 30.12 0.0
25 15:15 NW 12 10.00 Mostly Cloudy BKN004 BKN023 59 59 100% 30.12 0.0
25 14:55 NW 9 9.00 A Few Clouds FEW023 60.8 60.8 100% 30.12 0.0
25 14:35 W 6 10.00 Fair CLR 62.6 62.6 100% 30.12 0.0
25 14:15 W 5 10.00 Fair CLR 62.6 62.6 100% 30.12 0.0
25 13:55 Calm 10.00 Fair CLR 62.6 62.6 100% 30.12 0.0
25 13:35 Calm 9.00 Partly Cloudy FEW005 SCT026 60.8 60.8 100% 30.12 0.0
25 13:15 SW 3 10.00 Mostly Cloudy BKN005 BKN026 60.8 60.8 100% 30.13 0.0
25 12:55 Vrbl 5 9.00 Overcast OVC004 60.8 60.8 100% 30.13 0.0
25 12:35 Calm 3.00 Fog/Mist OVC004 59 59 100% 30.14 0.0
25 12:15 SW 5 1.50 Fog/Mist OVC004 59 59 100% 30.14 0.0
25 11:55 SW 5 1.75 Fog/Mist OVC003 59 59 100% 30.15 0.0
25 11:35 SW 7 0.25 Fog OVC003 59 59 100% 30.16 0.0
25 11:15 SW 6 0.50 Fog OVC003 59 59 100% 30.16 0.0
25 10:55 SW 6 0.50 Fog/Mist OVC003 59 59 100% 30.15 0.0
25 10:35 SW 7 0.50 Fog OVC003 59 59 100% 30.16 0.0
25 10:15 S 7 0.50 Fog OVC003 59 59 100% 30.15 0.0
25 09:55 S 8 0.50 Fog OVC002 59 59 100% 30.15 0.0
25 09:15 S 8 0.75 Fog/Mist OVC003 57.2 57.2 100% 30.15 0.0
25 08:55 S 10 2.00 Fog/Mist OVC003 57.2 57.2 100% 30.13 0.0
25 08:35 S 6 4.00 Fog/Mist OVC003 57.2 57.2 100% 30.15 0.0
25 08:15 Calm 0.75 Fog/Mist OVC002 57.2 57.2 100% 30.14 0.0
25 07:55 S 3 2.00 Fog/Mist OVC003 57.2 57.2 100% 30.11 0.0
25 07:35 S 6 2.00 Fog/Mist OVC002 57.2 57.2 100% 30.1 0.0
25 07:15 S 5 1.00 Fog/Mist OVC002 57.2 57.2 100% 30.09 0.0
25 06:55 S 5 0.75 Fog/Mist OVC002 57.2 57.2 100% 30.08 0.0
25 06:35 SE 5 0.75 Fog/Mist OVC002 57.2 57.2 100% 30.08 0.0
25 06:15 S 5 0.75 Fog/Mist OVC002 57.2 57.2 100% 30.08 0.0
25 05:55 S 6 1.00 Fog/Mist OVC002 57.2 57.2 100% 30.08 0.0
25 05:35 S 6 0.75 Fog/Mist OVC003 57.2 57.2 100% 30.08 0.0
25 05:15 S 8 0.75 Fog/Mist OVC003 57.2 57.2 100% 30.09 0.0
25 04:55 S 9 G 15 1.25 Fog/Mist OVC004 57.2 57.2 100% 30.08 0.0
25 04:35 S 10 1.25 Fog/Mist OVC004 57.2 57.2 100% 30.07 0.0
25 04:15 S 10 6.00 Fog/Mist OVC005 57.2 57.2 100% 30.07 0.0
25 03:55 S 9 8.00 Overcast OVC005 57.2 57.2 100% 30.06 0.0
25 03:35 SE 9 5.00 Fog/Mist OVC003 57.2 57.2 100% 30.06 0.0
25 03:15 S 8 2.50 Fog/Mist OVC003 57.2 57.2 100% 30.06 0.0
25 02:55 S 8 G 16 1.75 Light Rain Fog/Mist OVC004 57.2 57.2 100% 30.07 0.0 0.01
25 02:35 S 10 2.00 Fog/Mist BKN003 OVC007 57.2 57.2 100% 30.08 0.0
25 02:15 S 9 1.00 Fog/Mist OVC002 57.2 57.2 100% 30.08 0.0
25 01:55 S 7 1.00 Fog/Mist OVC002 57.2 57.2 100% 30.08 0.0 0.04
25 01:35 S 7 1.25 Light Rain Fog/Mist OVC002 57.2 57.2 100% 30.08 0.0
25 01:15 S 6 1.25 Light Rain Fog/Mist OVC002 57.2 57.2 100% 30.08 0.0
25 00:55 SE 8 G 15 1.00 Unknown Precip Fog/Mist OVC003 57.2 57.2 100% 30.08 0.0 0.03
25 00:35 S 8 2.00 Fog/Mist OVC006 57.2 57.2 100% 30.08 0.0
25 00:15 S 10 3.00 Fog/Mist OVC005 57.2 57.2 100% 30.07 0.0
24 23:55 S 10 3.00 Fog/Mist OVC004 57.2 57.2 100% 30.07 0.0
24 23:35 S 12 3.00 Fog/Mist OVC003 57.2 57.2 100% 30.08 0.0
24 23:15 S 8 1.75 Fog/Mist OVC003 57.2 57.2 100% 30.07 0.0
24 22:55 S 8 1.25 Fog/Mist OVC003 57.2 57.2 100% 30.07 0.0 0.04
24 22:35 S 10 1.50 Fog/Mist OVC002 57.2 57.2 100% 30.07 0.0
24 22:15 SE 8 G 14 1.25 Fog/Mist OVC002 57.2 57.2 100% 30.07 0.0
24 21:55 S 7 1.00 Fog/Mist OVC002 57.2 57.2 100% 30.07 0.0 0.07
24 21:35 S 9 1.00 Fog/Mist OVC002 57.2 57.2 100% 30.07 0.0
24 21:15 S 10 1.00 Fog/Mist OVC002 57.2 57.2 100% 30.06 0.0
24 20:55 S 13 0.75 Fog/Mist OVC003 57.2 57.2 100% 30.07 0.0 0.04
24 20:35 S 14 G 22 1.25 Unknown Precip Fog/Mist OVC003 57.2 57.2 100% 30.06 0.0
24 20:15 S 16 0.75 Unknown Precip Fog/Mist OVC003 57.2 57.2 100% 30.05 0.0
24 19:55 S 14 0.75 Unknown Precip Fog/Mist OVC005 57.2 57.2 100% 30.04 0.0 0.01
24 19:35 S 13 G 20 1.00 Fog/Mist OVC007 57.2 57.2 100% 30.04 0.0
24 19:15 S 13 1.25 Fog/Mist OVC007 57.2 57.2 100% 30.03 0.0
24 18:55 S 13 7.00 Overcast OVC008 59 59 100% 30.03 0.0
24 18:35 S 15 5.00 Fog/Mist OVC008 59 59 100% 30.03 0.0
24 18:15 S 15 7.00 Overcast OVC008 59 59 100% 30.03 0.0
24 17:55 S 13 G 22 7.00 Overcast OVC009 59 59 100% 30.03 0.0
24 17:40 S 13 7.00 Overcast OVC009 59 59 100% 30.03 0.0
24 17:15 S 14 8.00 Overcast OVC009 59 59 100% 30.03 0.0
24 16:55 S 13 9.00 Overcast OVC009 59 59 100% 30.03 0.0
24 16:35 S 14 9.00 Overcast OVC009 59 59 100% 30.02 0.0
24 16:15 S 13 9.00 Overcast OVC010 59 59 100% 30.03 0.0
24 15:55 S 13 9.00 Overcast OVC010 59 59 100% 30.04 0.0
24 15:35 S 13 9.00 Overcast OVC011 59 59 100% 30.04 0.0
24 15:15 S 13 9.00 Overcast OVC013 60.8 59 94% 30.04 0.0
24 14:55 S 15 G 22 9.00 Overcast OVC013 60.8 59 94% 30.05 0.0
24 14:35 S 14 9.00 Mostly Cloudy BKN016 BKN022 60.8 59 94% 30.04 0.0
24 14:15 S 14 G 21 10.00 A Few Clouds FEW017 60.8 59 94% 30.04 0.0
24 13:55 S 15 G 24 10.00 Fair CLR 60.8 57.2 88% 30.05 0.0
24 13:35 S 14 G 20 10.00 Fair CLR 60.8 57.2 88% 30.04 0.0
24 13:15 S 15 9.00 Fair CLR 60.8 57.2 88% 30.06 0.0
24 12:55 S 13 G 21 7.00 Fair CLR 60.8 57.2 88% 30.07 0.0
24 12:35 S 15 G 23 10.00 Fair CLR 62.6 57.2 83% 30.07 0.0
24 12:15 S 17 9.00 Fair CLR 62.6 57.2 83% 30.07 0.0
24 11:55 S 12 9.00 Fair CLR 62.6 59 88% 30.06 0.0
24 11:35 S 13 9.00 Fair CLR 62.6 59 88% 30.06 0.0
24 11:15 S 14 9.00 Fair CLR 64.4 59 83% 30.09 0.0
24 10:55 S 16 9.00 Fair CLR 62.6 59 88% 30.09 0.0
24 10:35 S 15 9.00 Fair CLR 62.6 59 88% 30.09 0.0
24 10:15 S 13 8.00 Fair CLR 62.6 59 88% 30.1 0.0
24 09:55 SE 13 9.00 Fair CLR 62.6 59 88% 30.07 0.0
24 09:35 S 10 G 18 9.00 Fair CLR 60.8 59 94% 30.08 0.0
24 09:15 SE 8 G 15 8.00 Fair CLR 60.8 59 94% 30.08 0.0
24 08:55 S 7 8.00 Fair CLR 59 59 100% 30.09 0.0
24 08:35 SW 8 8.00 Fair CLR 59 59 100% 30.08 0.0
24 08:15 SW 3 6.00 Fog/Mist CLR 59 57.2 94% 30.07 0.0
24 07:55 S 3 8.00 Fair CLR 59 57.2 94% 30.05 0.0
24 07:35 SE 3 10.00 A Few Clouds FEW120 59 57.2 94% 30.05 0.0
24 07:15 SE 7 10.00 Mostly Cloudy FEW065 FEW085 BKN120 57.2 57.2 100% 30.05 0.0
24 06:55 S 3 10.00 Mostly Cloudy FEW055 FEW065 BKN120 59 57.2 94% 30.08 0.0
24 06:35 SE 7 7.00 A Few Clouds FEW120 57.2 57.2 100% 30.07 0.0
24 06:15 SE 9 7.00 Mostly Cloudy BKN110 59 57.2 94% 30.08 0.0
24 05:55 SE 8 9.00 Overcast FEW055 SCT075 OVC120 59 57.2 94% 30.1 0.0
24 05:35 S 6 10.00 Overcast FEW055 SCT075 OVC120 59 57.2 94% 30.1 0.0
24 05:15 S 6 10.00 Mostly Cloudy FEW047 FEW065 BKN120 59 57.2 94% 30.1 0.0
24 04:55 SE 8 10.00 Overcast FEW044 SCT070 OVC120 59 57.2 94% 30.09 0.0
24 04:35 SE 8 10.00 Overcast FEW080 OVC120 59 57.2 94% 30.09 0.0
24 04:15 SE 7 10.00 Overcast FEW055 SCT095 OVC120 57.2 57.2 100% 30.1 0.0
24 03:55 SE 8 10.00 Mostly Cloudy FEW055 SCT075 BKN120 57.2 57.2 100% 30.1 0.0
24 03:35 SE 9 10.00 Mostly Cloudy FEW027 SCT070 BKN120 57.2 57.2 100% 30.1 0.0
24 03:15 SE 9 8.00 Mostly Cloudy FEW013 BKN027 BKN031 57.2 57.2 100% 30.11 0.0
24 02:55 SE 7 7.00 Mostly Cloudy SCT014 BKN028 BKN120 57.2 57.2 100% 30.12 0.0
24 02:35 SE 9 5.00 Fog/Mist OVC029 57.2 57.2 100% 30.12 0.0
24 02:15 SE 9 9.00 Overcast FEW018 SCT031 OVC070 57.2 57.2 100% 30.12 0.0
24 01:55 SE 8 9.00 Overcast FEW045 OVC075 57.2 57.2 100% 30.13 0.0
24 01:35 S 8 9.00 Overcast FEW044 OVC075 57.2 57.2 100% 30.14 0.0
24 01:15 S 5 9.00 Overcast OVC075 57.2 57.2 100% 30.13 0.0
24 00:55 SE 5 10.00 Overcast BKN075 OVC085 57.2 57.2 100% 30.13 0.0
24 00:35 SE 6 10.00 Overcast FEW070 BKN080 OVC110 57.2 57.2 100% 30.13 0.0
24 00:15 SE 6 10.00 Mostly Cloudy BKN090 BKN110 57.2 57.2 100% 30.12 0.0
23 23:55 SE 8 9.00 Overcast FEW080 BKN100 OVC110 57.2 57.2 100% 30.13 0.0
23 23:35 SE 8 8.00 Mostly Cloudy FEW042 SCT075 BKN110 55.4 55.4 100% 30.14 0.0
23 23:15 SE 7 6.00 Fog/Mist FEW038 SCT055 BKN075 55.4 55.4 100% 30.15 0.0
23 22:55 SE 7 5.00 Fog/Mist SCT032 BKN070 OVC095 55.4 55.4 100% 30.15 0.0 0.01
23 22:15 SE 7 9.00 Overcast SCT060 OVC075 57.2 57.2 100% 30.17 0.0
23 21:55 SE 6 9.00 Overcast FEW060 OVC075 57.2 55.4 94% 30.17 0.0
23 21:15 SE 6 7.00 Overcast FEW035 BKN075 OVC090 57.2 55.4 94% 30.15 0.0
Date Time (pst) 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)