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.
12 02:55 Vrbl 7 9.66 Fog/Mist CLR 6 6 100% 5 76.94 0.0
12 02:35 Calm 11.27 Fair CLR 7 6 93% 76.94 0.0
12 02:15 Calm 6.44 Fog/Mist CLR 6 6 100% 76.96 0.0
12 01:55 Calm 6.44 Fog/Mist FEW003 6 6 100% 76.96 0.0
12 01:35 Calm 9.66 Fog/Mist FEW003 6 6 100% 76.96 0.0
12 01:15 Calm 8.05 Fog/Mist CLR 5 5 100% 76.96 0.0
12 00:55 Calm 9.66 Fog/Mist CLR 6 6 100% 76.96 0.0
12 00:35 Calm 6.44 Fog/Mist CLR 6 6 100% 76.96 0.0
12 00:15 N 6 9.66 Fog/Mist FEW003 6 6 100% 76.96 0.0
11 23:55 Calm 8.05 Fog/Mist CLR 5 5 100% 76.96 0.0
11 23:35 Calm 9.66 Fog/Mist CLR 6 6 100% 76.96 0.0
11 23:15 Calm 8.05 Fog/Mist CLR 7 6 93% 76.96 0.0
11 22:55 Calm 11.27 Fair CLR 7 6 93% 76.94 0.0
11 22:35 Calm 8.05 Fog/Mist CLR 7 7 100% 76.94 0.0
11 22:15 Calm 8.05 Fog/Mist CLR 8 7 93% 76.94 0.0
11 21:55 N 9 6.44 Fog/Mist CLR 9 9 100% 8 76.96 0.0
11 21:35 N 7 6.44 Fog/Mist CLR 9 9 100% 8 76.96 0.0
11 21:15 Calm 8.05 Fog/Mist CLR 8 8 100% 76.96 0.0
11 20:55 Calm 8.05 Fog/Mist CLR 10 9 94% 76.96 0.0
11 20:35 Calm 8.05 Fog/Mist CLR 10 8 88% 76.96 0.0
11 20:15 N 6 6.44 Fog/Mist CLR 10 10 100% 76.96 0.0
11 19:55 N 7 6.44 Fog/Mist CLR 10 9 94% 9 76.96 0.0
11 19:35 N 9 9.66 Fair with Haze CLR 11 9 88% 76.96 0.0
11 19:15 Calm 9.66 Fair with Haze CLR 11 8 82% 76.99 0.0
11 18:55 Calm 9.66 Fair with Haze CLR 12 8 77% 76.96 0.0
11 18:35 N 7 8.05 Fair with Haze CLR 12 8 77% 76.96 0.0
11 18:15 Calm 9.66 Fair with Haze CLR 12 8 77% 76.94 0.0
11 17:55 Calm 9.66 Fair with Haze CLR 12 8 77% 76.94 0.0
11 17:35 Calm 11.27 Fair CLR 13 8 72% 76.94 0.0
11 17:15 N 11 8.05 Fair with Haze CLR 13 8 72% 76.94 0.0
11 16:55 N 11 8.05 Fair with Haze CLR 14 8 67% 76.94 0.0
11 16:15 NE 15 9.66 Haze NULL 17 3 39% 76.94 0.0
11 15:55 NE 11 9.66 Fair with Haze CLR 17 3 39% 76.94 0.0
11 15:35 NE 15 9.66 Fair with Haze CLR 18 2 34% 76.91 0.0
11 15:15 NE 13 9.66 Fair with Haze CLR 18 1 32% 76.91 0.0
11 14:55 NE 9 G 20 9.66 Fair with Haze CLR 19 1 30% 76.94 0.0
11 14:35 NE 15 G 24 9.66 Fair with Haze CLR 19 1 30% 76.94 0.0
11 14:15 NE 20 9.66 Fair with Haze CLR 19 1 30% 76.94 0.0
11 13:55 NE 13 G 24 9.66 Haze NULL 19 2 32% 76.96 0.0
11 13:15 W 15 9.66 Fair with Haze CLR 18 2 34% 76.99 0.0
11 12:55 W 15 9.66 Fair with Haze CLR 18 0 30% 77.01 0.0
11 12:35 W 11 9.66 Fair with Haze CLR 18 1 32% 77.01 0.0
11 12:15 W 11 9.66 Fair with Haze CLR 18 2 34% 77.04 0.0
11 11:55 W 11 9.66 Fair with Haze CLR 18 1 32% 77.06 0.0
11 11:35 W 13 11.27 Fair CLR 17 2 37% 77.09 0.0
11 11:15 W 13 9.66 Fair with Haze CLR 17 2 37% 77.11 0.0
11 10:55 W 13 9.66 Fair with Haze CLR 17 3 39% 77.11 0.0
11 10:35 Calm 9.66 Fair with Haze CLR 18 0 30% 77.14 0.0
11 10:15 NE 11 11.27 Fair CLR 17 -2 27% 77.14 0.0
11 09:55 NE 13 9.66 Fair with Haze CLR 17 -2 27% 77.14 0.0
11 09:35 NE 7 9.66 Fair with Haze CLR 16 0 34% 77.14 0.0
11 09:15 NE 15 9.66 Fair with Haze CLR 15 -2 31% 77.14 0.0
11 08:55 NE 9 9.66 Fair with Haze CLR 15 -1 34% 77.11 0.0
11 08:35 N 15 11.27 Fair CLR 14 -2 33% 77.11 0.0
11 08:15 NE 19 11.27 Fair CLR 14 -2 33% 77.11 0.0
11 07:55 NE 22 9.66 Fair with Haze CLR 14 -3 31% 77.11 0.0
11 07:35 Calm 9.66 Fair with Haze CLR 8 -1 53% 77.11 0.0
11 07:15 Calm 11.27 Fair CLR 7 0 61% 77.09 0.0
11 06:55 Calm 11.27 Fair CLR 10 1 54% 77.09 0.0
11 06:35 N 6 12.87 Fair CLR 10 2 58% 77.09 0.0
11 06:15 Calm 11.27 Fair CLR 9 0 54% 77.09 0.0
11 05:55 Calm 12.87 Fair CLR 10 -3 40% 77.06 0.0
11 05:35 Calm 12.87 Fair CLR 8 0 57% 77.06 0.0
11 05:15 Calm 11.27 Fair CLR 10 -2 43% 77.06 0.0
11 04:55 Calm 12.87 Fair CLR 9 0 54% 77.06 0.0
11 04:35 W 6 12.87 Fair CLR 7 1 66% 77.06 0.0
11 04:15 Calm 11.27 Fair CLR 9 0 54% 77.06 0.0
11 03:55 Calm 12.87 Fair CLR 7 1 66% 77.09 0.0
11 03:35 Calm 11.27 Fair CLR 9 1 58% 77.09 0.0
11 03:15 NE 7 12.87 Fair CLR 10 -1 47% 9 77.09 0.0
11 02:55 Calm 11.27 Fair CLR 8 1 62% 77.11 0.0
11 02:35 Calm 12.87 Fair CLR 8 1 62% 77.11 0.0
11 02:15 Calm 11.27 Fair CLR 7 1 66% 77.11 0.0
11 01:55 Calm 11.27 Fair CLR 9 0 54% 77.11 0.0
11 01:35 NE 7 12.87 Fair CLR 9 1 58% 8 77.09 0.0
11 01:15 Calm 12.87 Fair CLR 11 -1 44% 77.11 0.0
11 00:55 E 9 12.87 Fair CLR 11 -1 44% 77.11 0.0
11 00:35 E 13 12.87 Fair CLR 11 0 47% 77.11 0.0
11 00:15 NE 13 12.87 Fair CLR 12 0 44% 77.14 0.0
10 23:55 NE 11 12.87 Fair CLR 12 1 47% 77.17 0.0
10 23:35 NE 13 12.87 Fair CLR 11 3 58% 77.17 0.0
10 23:15 NE 11 12.87 Fair CLR 12 3 54% 77.17 0.0
10 22:55 N 6 12.87 Fair CLR 11 3 58% 77.17 0.0
10 22:35 Calm 12.87 Fair CLR 9 3 66% 77.17 0.0
10 22:15 Calm 11.27 Fair CLR 10 3 62% 77.17 0.0
10 21:55 Calm 12.87 Fair CLR 10 3 62% 77.17 0.0
10 21:35 Calm 11.27 Fair CLR 9 3 66% 77.17 0.0
10 21:15 Calm 12.87 Fair CLR 11 3 58% 77.17 0.0
10 20:55 N 9 12.87 Fair CLR 13 2 47% 77.17 0.0
10 20:35 NE 7 12.87 Fair CLR 13 1 44% 77.17 0.0
10 20:15 E 15 12.87 Fair CLR 13 1 44% 77.17 0.0
10 19:55 E 17 12.87 Fair CLR 13 2 47% 77.19 0.0
10 19:35 E 17 11.27 Fair CLR 13 3 51% 77.19 0.0
10 19:15 NE 15 11.27 Fair CLR 12 4 58% 77.19 0.0
10 18:55 NE 15 11.27 Fair CLR 13 3 51% 77.19 0.0
10 18:35 E 15 12.87 Fair CLR 13 4 55% 77.19 0.0
10 18:15 E 7 11.27 Fair CLR 12 5 63% 77.19 0.0
10 17:55 Calm 11.27 Fair CLR 10 6 76% 77.19 0.0
10 17:35 Calm 11.27 Fair CLR 12 7 72% 77.22 0.0
10 17:15 Calm 9.66 Fair with Haze CLR 13 5 59% 77.22 0.0
10 16:55 E 7 9.66 Fair with Haze CLR 14 4 51% 77.22 0.0
10 16:35 NE 15 9.66 Fair with Haze CLR 14 5 55% 77.22 0.0
10 16:15 NE 11 9.66 Fair with Haze CLR 14 5 55% 77.22 0.0
10 15:55 NW 9 8.05 Fair with Haze CLR 13 8 72% 77.22 0.0
10 15:35 NW 6 9.66 Fair with Haze CLR 14 8 67% 77.22 0.0
10 15:15 W 6 8.05 Fair with Haze CLR 16 7 55% 77.22 0.0
10 14:55 Calm 9.66 Fair with Haze CLR 16 6 52% 77.22 0.0
10 14:35 SW 7 8.05 Fair with Haze CLR 16 6 52% 77.24 0.0
10 14:15 W 13 11.27 Fair CLR 16 6 52% 77.24 0.0
10 13:55 NW 7 9.66 Fair with Haze CLR 15 5 51% 77.27 0.0
10 13:35 NW 11 9.66 Fair with Haze CLR 15 4 48% 77.27 0.0
10 13:15 W 9 9.66 Fair with Haze CLR 15 6 55% 77.29 0.0
10 12:35 W 6 9.66 Fair with Haze CLR 15 6 55% 77.34 0.0
10 12:15 Calm 9.66 Fair with Haze CLR 15 5 51% 77.34 0.0
10 11:55 SW 9 9.66 Fair with Haze CLR 15 6 55% 77.39 0.0
10 11:35 S 7 8.05 Fair with Haze CLR 15 4 48% 77.39 0.0
10 11:15 SW 6 9.66 Fair with Haze CLR 15 2 42% 77.42 0.0
10 10:55 W 6 9.66 Fair with Haze CLR 15 2 42% 77.44 0.0
10 10:35 N 7 9.66 Fair with Haze CLR 14 5 55% 77.44 0.0
10 10:15 NW 13 8.05 Fair with Haze CLR 14 8 67% 77.44 0.0
10 09:55 Calm 8.05 Fair with Haze CLR 14 7 63% 77.39 0.0
10 09:35 W 6 8.05 Fair with Haze CLR 14 6 59% 77.39 0.0
10 09:15 Calm 9.66 Fair with Haze CLR 13 4 55% 77.39 0.0
10 08:55 Calm 9.66 Fair with Haze CLR 11 4 62% 77.37 0.0
10 08:35 Calm 8.05 Fair with Haze CLR 9 4 71% 77.37 0.0
10 08:15 NW 9 8.05 Fair with Haze CLR 6 3 81% 4 77.34 0.0
10 07:55 NW 9 11.27 Fair CLR 5 1 76% 3 77.34 0.0
10 07:35 Calm 9.66 Fair with Haze CLR 4 2 87% 77.32 0.0
10 07:15 Calm 11.27 Fair CLR 5 2 81% 77.34 0.0
10 06:55 Calm 11.27 Fair CLR 5 3 87% 77.34 0.0
10 06:35 Calm 11.27 Fair CLR 4 2 87% 77.34 0.0
10 06:15 Calm 11.27 Fair CLR 4 2 87% 77.34 0.0
10 05:55 Calm 11.27 Fair CLR 5 2 81% 77.32 0.0
10 05:35 NE 6 11.27 Fair CLR 5 2 81% 77.29 0.0
10 05:15 Calm 11.27 Fair CLR 7 1 66% 77.29 0.0
10 04:55 Calm 11.27 Fair CLR 7 1 66% 77.29 0.0
10 04:35 Calm 11.27 Fair CLR 7 1 66% 77.29 0.0
10 04:15 Calm 12.87 Fair CLR 5 1 76% 77.29 0.0
10 03:55 Calm 12.87 Fair CLR 8 -1 53% 77.32 0.0
10 03:35 Calm 12.87 Fair CLR 6 1 71% 77.32 0.0
10 03:15 NE 6 12.87 Fair CLR 6 1 71% 77.34 0.0
10 02:55 Calm 12.87 Fair CLR 7 0 61% 77.32 0.0
10 02:35 Calm 12.87 Fair CLR 7 0 61% 77.32 0.0
10 02:15 Calm 11.27 Fair CLR 6 1 71% 77.34 0.0
10 01:55 Calm 12.87 Fair CLR 5 1 76% 77.32 0.0
10 01:35 Calm 11.27 Fair CLR 5 2 81% 77.32 0.0
10 01:15 Calm 12.87 Fair CLR 5 0 70% 77.29 0.0
10 00:55 E 7 12.87 Fair CLR 5 1 76% 4 77.29 0.0
10 00:35 Calm 12.87 Fair CLR 5 1 76% 77.29 0.0
10 00:15 Calm 12.87 Fair CLR 5 0 70% 77.32 0.0
09 23:55 Vrbl 6 12.87 Fair CLR 5 0 70% 77.32 0.0
09 23:35 N 9 11.27 Fair CLR 7 2 71% 5 77.34 0.0
09 23:15 Calm 12.87 Fair CLR 4 1 81% 77.34 0.0
09 22:55 Calm 12.87 Fair CLR 6 0 66% 77.34 0.0
09 22:35 Calm 12.87 Fair CLR 4 1 81% 77.37 0.0
09 22:15 Calm 12.87 Fair CLR 6 0 66% 77.34 0.0
09 21:55 N 9 12.87 Fair CLR 6 1 71% 4 77.34 0.0
09 21:35 Calm 12.87 Fair CLR 6 2 76% 77.32 0.0
09 21:15 NE 6 12.87 Fair CLR 6 2 76% 77.32 0.0
09 20:55 Calm 9.66 Fair with Haze CLR 6 2 76% 77.29 0.0
09 20:35 Calm 9.66 Fair with Haze CLR 6 3 81% 77.27 0.0
09 20:15 Vrbl 6 9.66 Fair with Haze CLR 7 2 71% 77.27 0.0
09 19:55 Calm 11.27 A Few Clouds FEW003 8 2 66% 77.27 0.0
09 19:35 Calm 11.27 A Few Clouds FEW003 6 2 76% 77.27 0.0
09 19:15 Calm 12.87 Fair CLR 7 2 71% 77.27 0.0
09 18:55 Calm 11.27 Fair CLR 8 2 66% 77.27 0.0
09 18:35 Calm 12.87 Fair CLR 10 0 50% 77.27 0.0
09 18:15 E 9 12.87 Fair CLR 10 0 50% 9 77.27 0.0
09 17:55 N 15 12.87 Fair CLR 12 -1 41% 77.27 0.0
09 17:35 NE 13 G 22 11.27 Fair CLR 13 -3 33% 77.24 0.0
09 17:15 N 13 G 24 9.66 Fair with Haze CLR 13 -3 33% 77.22 0.0
09 16:55 N 17 9.66 Fair with Haze CLR 13 -3 33% 77.19 0.0
09 16:35 N 11 11.27 Fair CLR 15 -4 27% 77.19 0.0
09 16:15 N 15 G 24 11.27 Fair CLR 15 -4 27% 77.19 0.0
09 15:55 N 17 11.27 Fair CLR 15 -4 27% 77.19 0.0
09 15:35 NE 11 G 22 9.66 Fair with Haze CLR 15 -3 29% 77.22 0.0
09 15:15 NE 20 G 31 11.27 Fair CLR 15 -3 29% 77.22 0.0
09 14:55 NE 17 11.27 Fair CLR 15 -3 29% 77.22 0.0
09 14:35 Vrbl 7 G 24 11.27 Fair CLR 15 -3 29% 77.22 0.0
09 14:15 E 13 G 24 12.87 Fair CLR 16 -2 29% 77.22 0.0
09 13:55 NE 17 G 26 9.66 Fair with Haze CLR 15 -3 29% 77.22 0.0
09 13:35 NE 22 G 35 9.66 Fair with Haze CLR 15 -3 29% 77.22 0.0
09 12:55 NE 19 G 33 9.66 Haze NULL 15 -4 27% 77.22 0.0
09 12:35 Calm 11.27 Fair CLR 15 -3 29% 77.22 0.0
09 12:15 E 13 9.66 Fair with Haze CLR 15 -3 29% 77.24 0.0
09 11:55 Calm 11.27 Fair CLR 14 -4 29% 77.24 0.0
09 11:35 NE 17 G 28 11.27 Fair CLR 14 -4 29% 77.24 0.0
09 11:15 NE 11 G 28 9.66 Fair with Haze CLR 14 -4 29% 77.27 0.0
09 10:55 Vrbl 9 G 26 11.27 Fair CLR 14 -4 29% 77.27 0.0
09 10:35 Calm 11.27 Fair CLR 13 -3 33% 77.27 0.0
09 10:15 NE 24 9.66 Fair with Haze CLR 13 -4 31% 77.24 0.0
09 09:55 E 19 G 31 11.27 Fair CLR 12 -5 30% 77.24 0.0
09 09:35 E 19 G 33 9.66 Fair with Haze CLR 12 -5 30% 77.22 0.0
09 09:15 NE 13 G 44 11.27 Fair CLR 12 -5 30% 77.19 0.0
09 08:55 NE 20 G 37 12.87 Fair CLR 11 -5 32% 77.17 0.0
09 08:35 E 13 G 41 11.27 Fair CLR 11 -5 32% 77.17 0.0
09 08:15 NE 20 G 33 11.27 Fair CLR 11 -5 32% 77.17 0.0
09 07:55 Vrbl 7 G 20 11.27 Fair CLR 11 -6 30% 77.17 0.0
09 07:35 Vrbl 11 11.27 Fair CLR 10 -5 35% 9 77.17 0.0
09 07:15 Calm 12.87 Fair CLR 11 -6 30% 77.17 0.0
09 06:55 W 6 12.87 Fair CLR 11 -6 30% 77.14 0.0
09 06:35 SW 13 12.87 Fair CLR 10 -5 35% 8 77.14 0.0
09 06:15 Calm 12.87 Fair CLR 11 -6 30% 77.14 0.0
09 05:55 Calm 12.87 Fair CLR 11 -6 30% 77.14 0.0
09 05:35 S 9 12.87 Fair CLR 10 -2 43% 9 77.11 0.0
09 05:15 NW 7 12.87 Fair CLR 10 -4 37% 9 77.09 0.0
09 04:55 Calm 12.87 Fair CLR 11 -4 35% 77.09 0.0
09 04:35 Calm 12.87 Fair CLR 8 -2 50% 77.09 0.0
09 04:15 Calm 11.27 Fair CLR 7 0 61% 77.09 0.0
09 03:55 Calm 11.27 Fair CLR 8 -1 53% 77.06 0.0
09 03:35 NW 7 12.87 Fair CLR 6 0 66% 5 77.09 0.0
09 03:15 Calm 14.48 Fair CLR 9 -2 46% 77.14 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)