Clear Lake Weather Forecast
- 58
- 80
Chance Thunderstorms
- 51
- 77
Mostly Sunny
- 60
- 78
Mostly Sunny
- 60
- 82
Rain Showers Likely
- 49
- 73
Partly Sunny
- 50
- 65
Rain Showers Likely
- 51
- 65
Rain Showers Likely
Today 8 Sep Washington
Mostly cloudy. A 20 percent chance of Thunderstorms late in the afternoon. Highs in the upper 70s. South Winds 10 to 15 Mph.
Tonight 8 Sep Washington
Mostly cloudy with a 40 percent chance of Thunderstorms early in the Evening, then mostly clear in the late evening and overnight. Patchy fog late in the night. Lows in the upper 50s. Southwest Winds 5 to 10 Mph shifting to the west after midnight.
Clear Lake Temperature Statistics
September Temperature
Minneapolis / Blaine (13 miles)
Lowest 1 September, 2026
58.6 °FAverage September
71.5 °FHighest 1 September, 2026
87.8 °F
Climate (2021–2026)
Minneapolis / Blaine (13 miles)
Average Low 2021–2026
39.1 °FAverage 2021–2026
46.7 °FAverage High 2021–2026
57.5 °F