| Point Forecast: Ephrata WA 47.32N 119.55W (Elev. 425 m) |
Last Update: 10:44 am PDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (PDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°C) | 28 | 29 | 29 | 29 | 30 | 29 | 29 | 28 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 18 | 18 | 17 | 19 | 21 | 22 | 25 | 27 | 28 |
| Dewpoint (°C) | 8 | 7 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 8 | 9 | 9 |
| Heat Index (°C) | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 24 | 25 | 26 | 27 | ||||||||||||
| Surface Wind (mph) | 21 | 18 | 17 | 16 | 14 | 15 | 16 | 16 | 14 | 13 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 7 |
| Wind Dir | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | N | N | N | N | N | N | N | N | NE | NE | NE | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 11 | 0 | 0 | 1 | 1 | 1 | 1 | 4 | 8 | 9 | 7 | 7 | 6 | 5 | 3 | 4 | 4 | 13 | 4 | 1 | 1 | 1 | 1 | 1 |
| 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 (%) | 28 | 25 | 24 | 23 | 24 | 26 | 28 | 31 | 37 | 40 | 42 | 45 | 45 | 47 | 48 | 49 | 50 | 51 | 48 | 42 | 38 | 35 | 32 | 30 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (PDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°C) | 29 | 31 | 32 | 32 | 32 | 32 | 32 | 31 | 29 | 27 | 25 | 24 | 23 | 22 | 21 | 19 | 19 | 21 | 22 | 24 | 26 | 28 | 30 | 32 |
| Dewpoint (°C) | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 8 | 7 | 7 | 6 | 7 | 7 | 7 | 7 | 6 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 10 |
| Heat Index (°C) | 28 | 29 | 30 | 31 | 31 | 31 | 30 | 29 | 28 | 26 | 25 | 24 | 24 | 26 | 27 | 29 | 30 | |||||||
| Surface Wind (mph) | 7 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 6 | 6 | 6 | 6 | 6 | 6 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 |
| Wind Dir | E | SE | SE | SE | S | S | S | S | S | S | SW | SW | SW | NW | NW | NW | NW | NW | NW | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 7 | 7 | 7 | 8 | 8 | 8 | 5 | 5 | 5 | 4 | 4 | 4 | 2 | 2 | 2 | 1 | 1 |
| 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 (%) | 28 | 26 | 24 | 23 | 23 | 23 | 24 | 25 | 26 | 28 | 30 | 33 | 35 | 38 | 40 | 42 | 43 | 42 | 41 | 38 | 35 | 31 | 28 | 26 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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