| Point Forecast: 2 Miles ENE Donner Summit CA 39.33N 120.35W (Elev. 7195 ft) |
Last Update: 5:21 pm PDT Jul 14, 2025 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (PDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 64 | 62 | 60 | 58 | 58 | 57 | 55 | 55 | 54 | 53 | 56 | 61 | 65 | 70 | 72 | 74 | 74 | 75 | 75 | 76 | 74 | 73 | 70 | 65 |
| Dewpoint (°F) | 39 | 39 | 37 | 36 | 35 | 34 | 34 | 33 | 34 | 33 | 36 | 35 | 33 | 36 | 35 | 37 | 35 | 36 | 36 | 38 | 38 | 38 | 39 | 39 |
| Heat Index (°F) | 75 | 75 | 76 | |||||||||||||||||||||
| Surface Wind (mph) | 6 | 5 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 7 |
| Wind Dir | W | W | WSW | W | W | WSW | W | WSW | SW | WSW | SW | SW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW |
| Gust | 18 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | ||||||||||||||||
| Sky Cover (%) | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 9 | 9 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 2 | 2 | 2 | 3 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 40 | 43 | 43 | 43 | 42 | 42 | 44 | 44 | 47 | 46 | 46 | 38 | 31 | 29 | 26 | 26 | 24 | 24 | 24 | 26 | 27 | 28 | 32 | 38 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (PDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 61 | 58 | 56 | 54 | 53 | 53 | 52 | 51 | 51 | 53 | 55 | 58 | 62 | 66 | 70 | 73 | 75 | 76 | 76 | 75 | 73 | 70 | 67 | 64 |
| Dewpoint (°F) | 39 | 38 | 37 | 36 | 35 | 35 | 35 | 35 | 35 | 36 | 36 | 37 | 38 | 38 | 38 | 39 | 40 | 41 | 43 | 45 | 46 | 46 | 46 | 45 |
| Heat Index (°F) | 75 | 76 | 76 | 75 | ||||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 5 | 7 | 7 | 7 | 8 | 8 | 8 | 6 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | SSW | SSW | SSW | S | S | S | SSW | SSW | SSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW |
| Gust | 18 | 18 | 18 | |||||||||||||||||||||
| Sky Cover (%) | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 4 | 4 | 4 |
| Relative Humidity (%) | 44 | 47 | 48 | 49 | 50 | 51 | 53 | 54 | 54 | 52 | 49 | 45 | 40 | 35 | 31 | 29 | 28 | 29 | 31 | 34 | 38 | 42 | 46 | 50 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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