| Point Forecast: 5 Miles NNE Mount Wilson CA 34.29N 118.02W (Elev. 4800 ft) |
Last Update: 1:46 am PDT Sep 16, 2026 |
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| Date | 09/16 | 09/17 | ||||||||||||||||||||||
| Hour (PDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 61 | 62 | 63 | 64 | 64 | 64 | 64 | 64 | 62 | 61 | 59 | 59 | 58 | 58 | 58 | 58 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 60 |
| Dewpoint (°F) | 34 | 32 | 29 | 32 | 34 | 32 | 34 | 37 | 38 | 41 | 42 | 44 | 43 | 42 | 42 | 40 | 40 | 39 | 38 | 36 | 36 | 34 | 35 | 38 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 5 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | 15 | 15 | 15 | |||||||||||||||||||||
| Sky Cover (%) | 13 | 13 | 8 | 8 | 8 | 8 | 8 | 8 | 18 | 18 | 18 | 18 | 18 | 18 | 15 | 15 | 15 | 15 | 15 | 15 | 6 | 6 | 6 | 6 |
| Precipitation Potential (%) | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 36 | 32 | 28 | 30 | 32 | 30 | 32 | 36 | 41 | 48 | 54 | 58 | 58 | 55 | 55 | 51 | 53 | 51 | 48 | 45 | 45 | 42 | 43 | 44 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/18 | |||||||||||||||||||||||
| Hour (PDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 61 | 62 | 64 | 64 | 65 | 65 | 65 | 64 | 63 | 62 | 59 | 60 | 59 | 59 | 59 | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 59 | 60 |
| Dewpoint (°F) | 38 | 37 | 37 | 39 | 40 | 38 | 38 | 38 | 38 | 38 | 36 | 37 | 35 | 34 | 33 | 31 | 31 | 29 | 28 | 28 | 28 | 28 | 30 | 31 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 0 |
| Wind Dir | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S | S | S | S | SSE | SSE | SSE | SSW | SSW | SSW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 6 | 6 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Precipitation Potential (%) | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 43 | 40 | 37 | 39 | 40 | 37 | 37 | 38 | 39 | 41 | 42 | 42 | 41 | 39 | 37 | 35 | 34 | 33 | 32 | 32 | 32 | 32 | 33 | 33 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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