Dewey Lake Weather Forecast
- 46
- 55
Rain Showers Likely
- 47
- 63
Chance Rain Showers
- 49
- 68
Mostly Sunny
- 45
- 68
Mostly Sunny
- 44
- 64
Mostly Sunny
- 44
- 63
Mostly Sunny
- 45
- 66
Mostly Sunny
Today 21 Jul Upper Slopes of the Eastern Washington Cascades Crest
Mostly cloudy. A chance of rain Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 50s to upper 60s. Chance of precipitation 50 percent. Rainfall Amounts up to a half of an inch Possible, except higher Amounts possible in Thunderstorms.
Tonight 21 Jul Upper Slopes of the Eastern Washington Cascades Crest
Mostly cloudy. A 50 percent chance of rain Showers in the evening. Lows in the mid 40s to lower 50s. Rainfall Amounts less than a tenth of an inch.
Dewey Lake Temperature Statistics
July Temperature
Stampede Pass (29.8 miles)
Lowest 3 July, 2025
44.1 °FAverage July
58.5 °FHighest 1 July, 2025
78.1 °F
Climate (2020–Present)
Stampede Pass (29.8 miles)
Average Low 2020–2025
36.2 °FAverage 2020–2025
41.5 °FAverage High 2020–2025
48.4 °F