New Ulm Weather Forecast
- 75
- 102
Slight Chance Rain Showers
- 75
- 101
Hot
- 75
- 101
Hot
- 77
- 101
Hot
- 76
- 101
Hot
- 75
- 98
Slight Chance Thunderstorms
Today 23 Aug Austin
Mostly sunny. A slight chance of Showers with isolated Thunderstorms. Hot with Highs around 101. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 23 Aug Austin
Partly cloudy with a slight chance of Showers with isolated Thunderstorms in the Evening, then mostly clear after midnight. Patchy fog after midnight. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 107 early in the evening.
New Ulm Temperature Statistics
August Temperature
Robert R Wells Jr Airport (17.4 miles)
Lowest 17 August, 2026
70.2 °FAverage August
84.7 °FHighest 21 August, 2026
101.8 °F
Climate (2021–2026)
Robert R Wells Jr Airport (17.4 miles)
Average Low 2021–2026
60.7 °FAverage 2021–2026
70.5 °FAverage High 2021–2026
81.3 °F