Lake Joy Weather Forecast
- 60
- 77
Partly Sunny
- 59
- 77
Decreasing Clouds
- 63
- 78
Chance Thunderstorms
- 52
- 74
Mostly Sunny
- 49
- 67
Partly Sunny
- 45
- 66
Mostly Sunny
- 46
- 68
Mostly Sunny
Today 20 Aug Lafayette
Mostly sunny. Northeast Winds 5 to 10 Mph.
Tonight 20 Aug Lafayette
Partly cloudy. Areas of fog early in the morning. Lows around 60. Northeast Winds up to 5 Mph.
Lake Joy Temperature Statistics
August Temperature
Iowa County Airport (8.1 miles)
Lowest 1 August, 2025
50 °FAverage August
69.6 °FHighest 8 August, 2025
84.2 °F
Climate (2020–Present)
Iowa County Airport (8.1 miles)
Average Low 2020–2025
41.7 °FAverage 2020–2025
50.2 °FAverage High 2020–2025
58.8 °F