Gilman Lake Weather Forecast
- 64
- 87
Mostly Sunny
- 63
- 91
Slight Chance Thunderstorms
- 62
- 84
Rain Showers Likely
- 60
- 78
Rain Showers Likely
- 57
- 73
Chance Thunderstorms
- 57
- 72
Chance Thunderstorms
- 58
- 76
Partly Sunny
Today 15 Sep Brown
Sunny. Near steady temperature in the mid 80s. South Winds 10 to 15 Mph.
Tonight 15 Sep Brown
Clear. Lows in the mid 60s. South Winds 5 to 10 Mph.
Gilman Lake Temperature Statistics
September Temperature
New Ulm Municipal Airport (12.4 miles)
Lowest 4 September, 2025
37.4 °FAverage September
61.4 °FHighest 13 September, 2025
87.8 °F
Climate (2020–Present)
New Ulm Municipal Airport (12.4 miles)
Average Low 2020–2025
37.2 °FAverage 2020–2025
46.9 °FAverage High 2020–2025
56.5 °F