Cottage Grove Weather Forecast
- 73
- 86
Increasing Clouds
- 76
- 93
Slight Chance Thunderstorms
- 70
- 90
Rain Showers Likely
- 67
- 86
Chance Thunderstorms
- 69
- 88
Slight Chance Thunderstorms
- 69
- 91
Slight Chance Thunderstorms
Today 22 Jul Dane
Warm and humid. Partly sunny. Highs in the mid 80s. South Winds around 10 Mph. Highest heat index Readings around 95 late in the afternoon.
Tonight 22 Jul Dane
Partly cloudy until early Morning, then mostly cloudy with a 20 percent chance of Showers and Thunderstorms early in the morning. Lows in the lower 70s. South Winds 5 to 10 Mph.
Cottage Grove Temperature Statistics
July Temperature
Madison, Dane County Regional-Truax Field (8.1 miles)
Lowest 18 July, 2025
51.7 °FAverage July
74.1 °FHighest 3 July, 2025
89.7 °F
Climate (2020–Present)
Madison, Dane County Regional-Truax Field (8.1 miles)
Average Low 2020–2025
39.9 °FAverage 2020–2025
49.5 °FAverage High 2020–2025
58.7 °F