Lewis Lake Weather Forecast
- 56
- 80
Mostly Sunny
- 59
- 82
Partly Sunny
- 62
- 82
Partly Sunny
- 63
- 83
Mostly Sunny
- 64
- 84
Mostly Sunny
- 67
- 86
Mostly Sunny
- 68
- 88
Mostly Sunny
Today 3 Aug St. Joseph
Mostly sunny. Hazy. Near steady temperature in the upper 70s. East Winds around 10 Mph.
Tonight 3 Aug St. Joseph
Hazy this evening. Mostly clear. Lows in the mid 50s. East Winds 5 to 10 Mph.
Lewis Lake Temperature Statistics
August Temperature
Haines Memorial Airport (9.3 miles)
Lowest 1 August, 2025
57.2 °FAverage August
66.1 °FHighest 1 August, 2025
75.2 °F
Climate (2020–Present)
Haines Memorial Airport (9.3 miles)
Average Low 2020–2025
42.3 °FAverage 2020–2025
51.3 °FAverage High 2020–2025
60.3 °F