Lake Mendota Weather Forecast
- 61
- 79
Chance Thunderstorms
- 58
- 79
Partly Sunny
- 60
- 80
Mostly Sunny
- 61
- 79
Chance Thunderstorms
- 57
- 77
Slight Chance Rain Showers
- 56
- 75
Partly Sunny
Today 18 Aug Dane
Mostly cloudy. Chance of light Showers and slight chance of Thunderstorms late in the morning. Showers likely and chance of Thunderstorms in the afternoon. Highs in the upper 70s. West Winds 5 to 10 Mph. Chance of precipitation 60 percent.
Tonight 18 Aug Dane
Partly cloudy. Near steady temperature in the lower 60s. Southwest Winds up to 5 Mph.
Lake Mendota Temperature Statistics
August Temperature
Madison, Dane County Regional-Truax Field (4.3 miles)
Lowest 3 August, 2026
55.7 °FAverage August
72.4 °FHighest 10 August, 2026
85.6 °F
Climate (2021–2026)
Madison, Dane County Regional-Truax Field (4.3 miles)
Average Low 2021–2026
39.9 °FAverage 2021–2026
49.8 °FAverage High 2021–2026
59.1 °F