| Point Forecast: Sisters OR 44.29N 121.55W (Elev. 3199 ft) |
Last Update: 3:01 pm PDT Aug 13, 2026 |
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| Date | 08/13 | 08/14 | ||||||||||||||||||||||
| Hour (PDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 79 | 79 | 77 | 73 | 70 | 67 | 64 | 61 | 58 | 56 | 54 | 51 | 50 | 49 | 48 | 55 | 62 | 71 | 74 | 76 | 79 | 80 | 80 | 81 |
| Dewpoint (°F) | 47 | 48 | 49 | 49 | 51 | 51 | 50 | 50 | 48 | 48 | 47 | 45 | 45 | 44 | 44 | 47 | 47 | 51 | 50 | 49 | 50 | 49 | 48 | 51 |
| Heat Index (°F) | 79 | 79 | 77 | 76 | 79 | 79 | 79 | 80 | ||||||||||||||||
| Surface Wind (mph) | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 6 |
| Wind Dir | N | NW | NW | NW | NW | W | NW | W | W | W | W | W | W | W | N | NW | N | NE | NE | NE | NE | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 19 | 20 | 30 | 24 | 23 | 32 | 33 | 31 | 37 | 34 | 24 | 22 | 23 | 38 | 19 | 14 | 10 | 17 | 40 | 40 | 40 | 53 | 59 | 60 |
| Precipitation Potential (%) | 9 | 9 | 9 | 5 | 5 | 5 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 21 | 21 | 21 | 30 | 30 | 30 |
| Relative Humidity (%) | 33 | 34 | 38 | 43 | 51 | 56 | 61 | 66 | 70 | 74 | 77 | 80 | 82 | 84 | 87 | 75 | 58 | 50 | 43 | 39 | 36 | 34 | 33 | 35 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
| Date | 08/15 | |||||||||||||||||||||||
| Hour (PDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 79 | 78 | 76 | 72 | 70 | 68 | 65 | 62 | 59 | 56 | 53 | 52 | 51 | 49 | 51 | 56 | 62 | 69 | 75 | 78 | 80 | 81 | 81 | 81 |
| Dewpoint (°F) | 51 | 52 | 52 | 51 | 52 | 52 | 51 | 50 | 49 | 47 | 46 | 46 | 45 | 44 | 45 | 48 | 51 | 52 | 52 | 52 | 51 | 52 | 53 | 54 |
| Heat Index (°F) | 79 | 78 | 76 | 75 | 78 | 80 | 80 | 80 | 81 | |||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 5 | 5 | 5 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 3 | 3 | 3 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | N | N | N | N | N | N | NE | NE | NE | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 57 | 57 | 57 | 65 | 65 | 65 | 71 | 71 | 71 | 100 | 100 | 100 | 69 | 69 | 69 | 24 | 24 | 24 | 57 | 57 | 57 | 57 | 57 | 57 |
| Precipitation Potential (%) | 14 | 14 | 14 | 5 | 5 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 36 | 36 | 36 | 36 | 36 | 36 |
| Relative Humidity (%) | 37 | 40 | 43 | 48 | 52 | 56 | 60 | 65 | 70 | 73 | 76 | 79 | 80 | 82 | 80 | 75 | 66 | 55 | 45 | 40 | 37 | 37 | 38 | 40 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
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