Winona Weather Forecast
- 72
- 93
Chance Thunderstorms
- 72
- 94
Chance Thunderstorms
- 72
- 96
Slight Chance Thunderstorms
- 72
- 96
Mostly Sunny
- 72
- 96
Mostly Sunny
- 72
- 96
Slight Chance Thunderstorms
Today 15 Aug Montgomery
Partly cloudy. A slight chance of Showers and Thunderstorms after Midnight, then a chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Light and variable Winds. Chance of rain 50 percent.
Tonight 15 Aug Montgomery
Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Humid with Lows in the lower 70s. Light and variable Winds. Chance of rain 20 percent.
Winona Temperature Statistics
August Temperature
Winona-Montgomery County Airport (0.6 miles)
Lowest 3 August, 2025
65.1 °FAverage August
78.2 °FHighest 12 August, 2025
93.9 °F
Climate (2020–Present)
Winona-Montgomery County Airport (0.6 miles)
Average Low 2020–2025
54.4 °FAverage 2020–2025
64.5 °FAverage High 2020–2025
75.5 °F