Chewelah Weather Forecast
- 48
- 89
Mostly Sunny
- 45
- 87
Mostly Sunny
- 46
- 90
Sunny
- 49
- 94
Sunny
- 53
- 98
Hot
- 54
- 101
Hot
- 55
- 100
Hot
Today 19 Aug Northeast Mountains
Sunny. Highs in the 80s.
Tonight 19 Aug Northeast Mountains
Mostly clear. Lows in the 50s.
Chewelah Temperature Statistics
August Temperature
Deer Park, Deer Park Airport (24.2 miles)
Lowest 8 August, 2025
42.7 °FAverage August
69.8 °FHighest 11 August, 2025
95.6 °F
Climate (2020–Present)
Deer Park, Deer Park Airport (24.2 miles)
Average Low 2020–2025
35.3 °FAverage 2020–2025
48 °FAverage High 2020–2025
59.9 °F