| Point Forecast: 3 Miles NE Donner Summit CA 39.36N 120.35W (Elev. 7510 ft) |
Last Update: 5:21 am PDT Sep 8, 2024 |
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| Date | 09/08 | 09/09 | ||||||||||||||||||||||
| Hour (PDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 47 | 46 | 50 | 55 | 60 | 63 | 65 | 66 | 66 | 66 | 67 | 65 | 63 | 60 | 55 | 52 | 49 | 48 | 48 | 47 | 48 | 47 | 47 | 46 |
| Dewpoint (°F) | 35 | 36 | 37 | 34 | 34 | 32 | 31 | 31 | 30 | 30 | 31 | 30 | 31 | 32 | 32 | 31 | 30 | 30 | 30 | 29 | 30 | 29 | 29 | 29 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 7 | 9 | 10 | 11 | 13 | 14 | 14 | 14 | 13 | 10 | 10 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 20 | 23 | 25 | 25 | 25 | 24 | 24 | 23 | 20 | |||||||||||||||
| Sky Cover (%) | 4 | 1 | 1 | 3 | 2 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | 3 | 4 | 5 | 3 | 3 | 4 | 4 | 4 | 3 | 3 | 4 | 14 |
| 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 (%) | 63 | 66 | 62 | 46 | 37 | 31 | 28 | 26 | 25 | 25 | 26 | 27 | 29 | 35 | 41 | 45 | 47 | 49 | 50 | 50 | 49 | 50 | 50 | 52 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/10 | |||||||||||||||||||||||
| Hour (PDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 46 | 46 | 49 | 55 | 61 | 64 | 66 | 67 | 67 | 67 | 67 | 65 | 62 | 58 | 55 | 52 | 50 | 48 | 48 | 48 | 48 | 47 | 46 | 46 |
| Dewpoint (°F) | 30 | 30 | 31 | 31 | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 34 | 33 | 32 | 32 | 32 | 33 | 33 | 33 | 33 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 6 | 6 | 6 | 10 | 10 | 10 | 13 | 13 | 13 | 10 | 10 | 10 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 |
| Wind Dir | SW | SW | S | S | S | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | S | S | S | S | S | S | S |
| Gust | 20 | 20 | 20 | 23 | 23 | 23 | 22 | 22 | 22 | |||||||||||||||
| Sky Cover (%) | 14 | 14 | 35 | 35 | 35 | 17 | 17 | 17 | 10 | 10 | 10 | 7 | 7 | 7 | 20 | 20 | 20 | 29 | 29 | 29 | 16 | 16 | 16 | 30 |
| 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 (%) | 53 | 54 | 49 | 40 | 35 | 32 | 30 | 29 | 29 | 29 | 30 | 32 | 37 | 42 | 47 | 50 | 52 | 53 | 54 | 55 | 56 | 58 | 60 | 61 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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