Jamestown Weather Forecast
- 54
- 79
Rain Showers
- 43
- 65
Chance Rain Showers
- 46
- 69
Partly Sunny
- 51
- 67
Rain Showers
- 45
- 65
Rain Showers
- 42
- 59
Partly Sunny
Today 23 Apr Grant
Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.
Tonight 23 Apr Grant
Thunderstorms likely. Showers. Lows in the lower 50s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.
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