| Point Forecast: 8 Miles ENE Mammoth Lakes CA 37.68N 118.83W (Elev. 7047 ft) |
Last Update: 8:46 pm PDT Aug 18, 2026 |
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| Date | 08/18 | 08/19 | ||||||||||||||||||||||
| Hour (PDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 67 | 64 | 62 | 60 | 57 | 56 | 55 | 53 | 55 | 61 | 67 | 75 | 79 | 83 | 86 | 86 | 87 | 86 | 85 | 83 | 78 | 74 | 72 | 70 |
| Dewpoint (°F) | 38 | 39 | 38 | 37 | 36 | 37 | 37 | 36 | 37 | 40 | 40 | 41 | 38 | 38 | 36 | 35 | 36 | 36 | 35 | 37 | 35 | 35 | 35 | 35 |
| Heat Index (°F) | 75 | 78 | 81 | 82 | 83 | 84 | 82 | 82 | 81 | 78 | ||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 5 | 5 | 11 | 11 | 11 | 13 | 13 | 13 | 8 | 8 | 8 |
| Wind Dir | W | W | W | W | W | W | W | W | W | NW | NW | NW | SE | SE | SE | W | W | W | W | W | W | W | W | W |
| Gust | 22 | 22 | 22 | 22 | 22 | 22 | ||||||||||||||||||
| Sky Cover (%) | 62 | 62 | 62 | 58 | 58 | 58 | 46 | 46 | 46 | 37 | 37 | 37 | 32 | 32 | 32 | 53 | 53 | 53 | 62 | 62 | 62 | 57 | 57 | 57 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 |
| Relative Humidity (%) | 35 | 39 | 41 | 43 | 46 | 48 | 51 | 52 | 52 | 46 | 37 | 29 | 23 | 20 | 17 | 16 | 16 | 17 | 17 | 19 | 21 | 24 | 26 | 28 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/20 | |||||||||||||||||||||||
| Hour (PDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 68 | 65 | 62 | 60 | 57 | 56 | 55 | 53 | 54 | 61 | 67 | 76 | 80 | 84 | 86 | 86 | 87 | 86 | 85 | 82 | 78 | 73 | 70 | 69 |
| Dewpoint (°F) | 35 | 34 | 33 | 33 | 32 | 32 | 32 | 31 | 31 | 36 | 35 | 36 | 33 | 31 | 31 | 32 | 32 | 33 | 34 | 35 | 35 | 34 | 34 | 34 |
| Heat Index (°F) | 76 | 78 | 81 | 82 | 83 | 84 | 82 | 82 | 80 | 78 | ||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 13 | 13 | 13 | 14 | 14 | 14 | 9 | 9 | 9 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | S | S | S | W | W | W | W | W | W | SW | SW | SW |
| Gust | 23 | 23 | 23 | 24 | 24 | 24 | ||||||||||||||||||
| Sky Cover (%) | 50 | 50 | 50 | 53 | 53 | 53 | 51 | 51 | 51 | 16 | 16 | 16 | 15 | 15 | 15 | 29 | 29 | 29 | 14 | 14 | 14 | 19 | 19 | 19 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 29 | 32 | 34 | 36 | 38 | 40 | 42 | 42 | 42 | 39 | 30 | 23 | 18 | 15 | 14 | 14 | 14 | 15 | 16 | 18 | 21 | 24 | 26 | 27 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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