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.
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
09 02:55 Vrbl 6 12.87 Fair CLR 7 0 61% 77.14 0.0
09 02:35 NE 9 12.87 Fair CLR 8 0 57% 7 77.11 0.0
09 02:15 NE 15 12.87 Fair CLR 8 0 57% 6 77.11 0.0
09 01:55 NE 17 12.87 Fair CLR 9 -1 50% 7 77.09 0.0
09 01:35 E 13 G 24 12.87 Fair CLR 9 -2 46% 7 77.09 0.0
09 01:15 Vrbl 11 12.87 Fair CLR 10 -2 43% 9 77.06 0.0
09 00:55 NW 28 G 37 12.87 Fair CLR 10 -2 43% 7 77.04 0.0
09 00:35 Calm 11.27 Fair CLR 10 -1 47% 77.06 0.0
09 00:15 NW 13 G 30 12.87 Fair CLR 10 -2 43% 8 77.06 0.0
08 23:55 NW 20 11.27 Fair CLR 9 -1 50% 6 77.04 0.0
08 23:35 Vrbl 11 11.27 Fair CLR 10 -2 43% 9 77.04 0.0
08 23:15 Calm 11.27 Fair CLR 10 -2 43% 77.04 0.0
08 22:55 Calm 11.27 Fair CLR 10 -2 43% 77.04 0.0
08 22:35 Calm 11.27 Fair CLR 10 -3 40% 77.04 0.0
08 22:15 SW 6 11.27 Fair CLR 9 -2 46% 77.01 0.0
08 21:55 Vrbl 6 12.87 Fair CLR 9 -2 46% 77.04 0.0
08 21:35 W 9 11.27 Fair CLR 9 -2 46% 8 77.04 0.0
08 21:15 NW 11 11.27 Fair CLR 9 -2 46% 8 77.01 0.0
08 20:55 NW 17 12.87 Fair CLR 9 -2 46% 7 77.01 0.0
08 20:35 NW 15 12.87 Fair CLR 9 -2 46% 7 77.01 0.0
08 20:15 NW 13 12.87 Fair CLR 10 -3 40% 8 77.01 0.0
08 19:55 Vrbl 6 12.87 Fair CLR 10 -3 40% 76.99 0.0
08 19:35 NW 7 12.87 Fair CLR 10 -2 43% 9 76.99 0.0
08 19:15 Vrbl 7 G 19 12.87 Fair CLR 10 -2 43% 9 76.96 0.0
08 18:55 N 13 14.48 Fair CLR 11 -2 41% 76.96 0.0
08 18:35 N 15 G 26 12.87 Fair CLR 11 -2 41% 76.94 0.0
08 18:15 N 11 12.87 Fair CLR 10 -2 43% 9 76.94 0.0
08 17:55 N 11 12.87 Fair CLR 11 -3 38% 76.94 0.0
08 17:35 N 9 12.87 Fair CLR 11 -1 44% 76.94 0.0
08 17:15 NE 7 8.05 Fair with Haze CLR 11 6 72% 76.94 0.0
08 16:55 N 13 8.05 Fair with Haze CLR 12 7 72% 76.91 0.0
08 16:35 NW 17 6.44 Fair with Haze CLR 12 7 72% 76.91 0.0
08 16:15 N 15 G 30 6.44 Fair with Haze CLR 12 7 72% 76.91 0.0
08 15:55 NW 24 8.05 Fair with Haze CLR 12 7 72% 76.89 0.0
08 15:35 NW 20 G 30 8.05 Fair with Haze CLR 13 6 63% 76.89 0.0
08 15:15 NW 24 8.05 Fair with Haze CLR 13 7 67% 76.89 0.0
08 14:55 NW 26 9.66 Fair with Haze CLR 13 6 63% 76.86 0.0
08 14:35 NW 22 G 33 8.05 Fair with Haze CLR 13 6 63% 76.86 0.0
08 14:15 NW 20 G 31 8.05 Fair with Haze CLR 13 6 63% 76.86 0.0
08 13:55 NW 19 G 33 9.66 Fair with Haze CLR 13 6 63% 76.86 0.0
08 13:35 NW 30 9.66 Fair with Haze CLR 13 6 63% 76.86 0.0
08 13:15 NW 26 9.66 Fair with Haze CLR 13 5 59% 76.86 0.0
08 12:55 NW 24 9.66 Fair with Haze CLR 13 5 59% 76.89 0.0
08 12:35 N 24 8.05 Fair with Haze CLR 13 5 59% 76.89 0.0
08 12:15 NW 28 9.66 Fair with Haze CLR 12 5 63% 76.89 0.0
08 11:55 NW 24 9.66 Fair with Haze CLR 13 5 59% 76.94 0.0
08 11:35 N 26 G 35 9.66 Fair with Haze CLR 12 4 58% 76.94 0.0
08 11:15 NW 26 9.66 Fair with Haze CLR 12 5 63% 76.96 0.0
08 10:55 N 20 9.66 Fair with Haze CLR 12 4 58% 76.96 0.0
08 10:35 NW 26 9.66 Fair with Haze CLR 12 4 58% 76.96 0.0
08 10:15 N 24 9.66 Fair with Haze CLR 11 4 62% 76.94 0.0
08 09:55 N 20 G 31 9.66 Fair with Haze CLR 11 3 58% 76.91 0.0
08 09:35 N 19 G 31 9.66 Fair with Haze CLR 11 4 62% 76.91 0.0
08 09:15 N 20 G 33 8.05 Fair with Haze CLR 11 5 67% 76.89 0.0
08 08:55 N 26 9.66 Fair with Haze CLR 11 5 67% 76.86 0.0
08 08:35 N 24 G 41 8.05 Fair with Haze CLR 10 4 67% 7 76.84 0.0
08 08:15 N 19 G 39 9.66 Fair with Haze CLR 10 5 71% 8 76.81 0.0
08 07:55 N 26 G 41 8.05 Fair with Haze CLR 10 4 67% 7 76.78 0.0
08 07:35 N 19 G 35 8.05 Fair with Haze CLR 10 5 71% 8 76.76 0.0
08 07:15 N 22 G 35 9.66 A Few Clouds with Haze FEW026 10 5 71% 7 76.76 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)