Armstrong Lake Weather Forecast
- 30
- 38
Rain/Snow Likely
- 29
- 54
Partly Sunny
- 20
- 39
Breezy
- 34
- 44
Chance Rain/Snow
- 38
- 68
Chance Rain Showers
- 35
- 53
Rain/Snow Likely
Today 4 Apr Blue Earth
Windy, cloudy. Chance of snow and rain early in the afternoon. Chance of rain and slight chance of snow late in the afternoon. Highs in the upper 30s. West Winds 10 to 20 Mph increasing to 20 to 30 Mph in the afternoon. Chance of precipitation 50 percent.
Tonight 4 Apr Blue Earth
Breezy. Mostly cloudy. Lows around 30. Northwest Winds 15 to 25 Mph.
Armstrong Lake Temperature Statistics
April Temperature
New Ulm Municipal Airport (13.7 miles)
Lowest 1 April, 2026
30.2 °FAverage April
35.5 °FHighest 1 April, 2026
42.8 °F
Climate (2021–Present)
New Ulm Municipal Airport (13.7 miles)
Average Low 2021–2026
37.5 °FAverage 2021–2026
47.3 °FAverage High 2021–2026
57 °F