| Point Forecast: 4 Miles ESE Donner Summit CA 39.31N 120.34W (Elev. 6982 ft) |
Last Update: 5:51 pm PDT Jun 17, 2024 |
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| Date | 06/18 | |||||||||||||||||||||||
| Hour (PDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 39 | 38 | 38 | 37 | 36 | 36 | 35 | 37 | 43 | 48 | 55 | 58 | 61 | 62 | 63 | 63 | 63 | 63 | 62 | 59 | 55 | 50 | 46 | 44 |
| Dewpoint (°F) | 11 | 11 | 12 | 12 | 12 | 13 | 12 | 14 | 14 | 13 | 13 | 12 | 14 | 16 | 16 | 17 | 18 | 18 | 19 | 20 | 22 | 23 | 23 | 22 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 6 | 5 | 2 | 6 | 8 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 6 | 6 | 6 | 3 |
| Wind Dir | ENE | ENE | E | E | ENE | NE | NE | NE | E | E | SSE | SW | WSW | WSW | W | W | WSW | WSW | WSW | WSW | W | W | W | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 10 | 7 | 14 | 13 | 10 | 3 | 4 | 1 | 1 | 12 | 12 | 5 | 9 | 11 | 19 | 15 | 19 | 21 | 21 | 21 | 33 | 33 | 33 | 27 |
| 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 (%) | 31 | 32 | 34 | 35 | 38 | 39 | 39 | 38 | 31 | 24 | 19 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 19 | 22 | 27 | 34 | 39 | 41 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/19 | |||||||||||||||||||||||
| Hour (PDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 42 | 41 | 40 | 39 | 38 | 39 | 40 | 42 | 46 | 52 | 58 | 63 | 65 | 66 | 66 | 67 | 68 | 67 | 65 | 62 | 59 | 55 | 51 | 48 |
| Dewpoint (°F) | 21 | 20 | 19 | 17 | 16 | 16 | 16 | 17 | 19 | 20 | 20 | 19 | 19 | 21 | 23 | 24 | 25 | 27 | 29 | 30 | 31 | 32 | 32 | 31 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 5 | 5 | 5 | 2 |
| Wind Dir | N | N | ENE | ENE | ENE | E | E | E | S | S | S | SW | SW | SW | WSW | WSW | WSW | W | W | W | W | W | W | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 27 | 27 | 36 | 36 | 36 | 30 | 30 | 30 | 27 | 27 | 27 | 46 | 46 | 46 | 52 | 52 | 52 | 42 | 42 | 42 | 42 | 42 | 42 | 27 |
| 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 (%) | 42 | 42 | 41 | 41 | 40 | 39 | 38 | 36 | 33 | 28 | 22 | 18 | 17 | 18 | 19 | 19 | 20 | 22 | 25 | 30 | 35 | 41 | 48 | 52 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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