Williams Lake Weather Forecast
- 53
- 83
Mostly Sunny
- 50
- 81
Becoming Sunny
- 51
- 83
Mostly Sunny
- 54
- 88
Sunny
- 57
- 91
Mostly Sunny
- 59
- 95
Mostly Sunny
- 60
- 94
Mostly Sunny
Today 19 Aug Northeast Mountains
Sunny. Highs in the 80s.
Tonight 19 Aug Northeast Mountains
Mostly clear. Lows in the 50s.
Williams Lake Temperature Statistics
August Temperature
Deer Park, Deer Park Airport (59 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 (59 miles)
Average Low 2020–2025
35.3 °FAverage 2020–2025
48 °FAverage High 2020–2025
59.9 °F