Armstrong Lake Weather Forecast
- 2
- 35
Chance Snow
- 9
- 16
Mostly Cloudy
- 11
- 16
Mostly Cloudy
- 8
- 24
Mostly Cloudy
- 19
- 28
Mostly Cloudy
- 21
- 31
Mostly Cloudy
- 18
- 32
Mostly Cloudy
Today 31 Dec Blue Earth
Cloudy. Chance of snow early in the Afternoon, then slight chance of snow late in the afternoon. Highs in the mid 30s. Temperatures falling into the upper teens in the afternoon. North Winds 15 to 20 Mph. Chance of snow 50 percent.
Tonight 31 Dec Blue Earth
Much Colder. Decreasing Clouds. Lows around 2. North Winds 5 to 15 Mph.
Armstrong Lake Temperature Statistics
December Temperature
New Ulm Municipal Airport (13.7 miles)
Lowest 4 December, 2025
-5.8 °FAverage December
21.9 °FHighest 16 December, 2025
44.6 °F
Climate (2021–Present)
New Ulm Municipal Airport (13.7 miles)
Average Low 2021–2025
37.5 °FAverage 2021–2025
47.2 °FAverage High 2021–2025
56.8 °F