Platteville Weather Forecast
- 51
- 73
Mostly Sunny
- 56
- 74
Chance Rain Showers
- 58
- 76
Mostly Sunny
- 58
- 80
Mostly Sunny
- 65
- 84
Chance Rain Showers
- 64
- 86
Chance Rain Showers
- 59
- 82
Mostly Cloudy
Today 8 Sep Grant
Mostly sunny. Highs in the mid 70s. South Winds 10 to 15 Mph.
Tonight 8 Sep Grant
Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 50s. South Winds 10 to 15 Mph.
Platteville Temperature Statistics
September Temperature
Platteville Municipal Airport (3.1 miles)
Lowest 4 September, 2025
42.3 °FAverage September
59.1 °FHighest 2 September, 2025
76.1 °F
Climate (2020–Present)
Platteville Municipal Airport (3.1 miles)
Average Low 2020–2025
40.6 °FAverage 2020–2025
49.7 °FAverage High 2020–2025
58.4 °F