| Point Forecast: Hermiston OR 45.83N 119.28W (Elev. 499 ft) |
Last Update: 2:30 am PDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (PDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 68 | 67 | 66 | 65 | 69 | 70 | 72 | 76 | 79 | 82 | 84 | 86 | 87 | 88 | 88 | 89 | 87 | 85 | 78 | 75 | 72 | 70 | 68 | 66 |
| Dewpoint (°F) | 49 | 49 | 50 | 50 | 53 | 51 | 51 | 54 | 55 | 55 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 55 | 53 | 52 | 51 | 51 | 50 | 50 |
| Heat Index (°F) | 76 | 79 | 81 | 83 | 84 | 85 | 86 | 86 | 87 | 85 | 84 | 78 | 75 | |||||||||||
| Surface Wind (mph) | 9 | 9 | 9 | 9 | 9 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 13 | 13 | 13 | 13 | 10 | 10 | 10 | 8 | 8 | 8 | 6 |
| Wind Dir | W | W | W | W | W | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | NE | NE | NE | NW |
| Gust | 18 | 18 | 18 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | |||||||||
| Sky Cover (%) | 9 | 9 | 7 | 7 | 7 | 2 | 2 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 7 | 7 | 7 | 5 | 5 | 5 | 7 |
| 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 (%) | 51 | 53 | 57 | 58 | 56 | 51 | 48 | 47 | 43 | 39 | 36 | 34 | 32 | 31 | 31 | 31 | 32 | 36 | 42 | 45 | 48 | 51 | 53 | 56 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (PDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 63 | 61 | 61 | 59 | 64 | 68 | 70 | 75 | 80 | 84 | 87 | 89 | 91 | 92 | 93 | 92 | 91 | 88 | 83 | 77 | 72 | 69 | 67 | 65 |
| Dewpoint (°F) | 48 | 48 | 49 | 47 | 49 | 49 | 48 | 50 | 51 | 52 | 51 | 50 | 48 | 47 | 47 | 48 | 49 | 50 | 48 | 47 | 45 | 45 | 45 | 45 |
| Heat Index (°F) | 75 | 80 | 82 | 85 | 86 | 88 | 88 | 89 | 89 | 88 | 85 | 81 | 77 | |||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 6 |
| Wind Dir | NW | NW | SW | SW | SW | NW | NW | NW | N | N | N | N | N | N | NW | NW | NW | SW | SW | SW | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 7 | 7 | 10 | 10 | 10 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 5 | 5 | 5 | 5 | 5 | 5 | 4 |
| 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 (%) | 59 | 62 | 65 | 65 | 58 | 50 | 46 | 42 | 37 | 33 | 29 | 26 | 23 | 21 | 21 | 22 | 24 | 27 | 30 | 34 | 38 | 42 | 45 | 48 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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