Nassau Weather Forecast
- 67
- 82
Chance Thunderstorms
- 66
- 82
Chance Thunderstorms
- 63
- 79
Partly Sunny
- 60
- 79
Mostly Sunny
- 60
- 79
Mostly Sunny
- 63
- 84
Chance Thunderstorms
Today 16 Aug Lac Qui Parle
Mostly cloudy. Chance of Showers and slight chance of Thunderstorms late in the Morning, then slight chance of Thunderstorms early in the afternoon. Highs in the lower 80s. Southeast Winds 5 to 10 Mph shifting to the east in the afternoon. Chance of precipitation 50 percent.
Tonight 16 Aug Lac Qui Parle
Mostly cloudy. Slight chance of Thunderstorms in the Evening, then chance of Thunderstorms after midnight. Lows in the upper 60s. East Winds 5 to 15 Mph. Chance of Thunderstorms 50 percent.
Nassau Temperature Statistics
August Temperature
Madison, Madison-Lac Qui Parle County Airport (13.7 miles)
Lowest 14 August, 2025
69.8 °FAverage August
74.1 °FHighest 14 August, 2025
82.4 °F
Climate (2020–Present)
Madison, Madison-Lac Qui Parle County Airport (13.7 miles)
Average Low 2020–2025
37.5 °FAverage 2020–2025
48 °FAverage High 2020–2025
58.4 °F