Jamestown Weather Forecast
- 43
- 65
Sunny
- 44
- 70
Partly Sunny
- 54
- 70
Rain Showers
- 48
- 69
Rain Showers
- 42
- 60
Partly Sunny
- 40
- 62
Partly Sunny
- 41
- 61
Partly Sunny
Today 24 Apr Grant
Mostly sunny. Much cooler with Highs in the lower 60s. Northwest Winds 10 to 15 Mph.
Tonight 24 Apr Grant
Clear, Colder with Lows in the lower 40s. North Winds 5 to 10 Mph.
Jamestown Temperature Statistics
April Temperature
Platteville Municipal Airport (8.7 miles)
Lowest 7 April, 2026
23.5 °FAverage April
48.4 °FHighest 17 April, 2026
78.1 °F
Climate (2021–Present)
Platteville Municipal Airport (8.7 miles)
Average Low 2021–2026
40.7 °FAverage 2021–2026
49.9 °FAverage High 2021–2026
58.8 °F