Jamestown Weather Forecast
- 55
- 81
Rain Showers Likely
- 51
- 70
Mostly Sunny
- 55
- 75
Slight Chance Thunderstorms
- 54
- 74
Rain Showers Likely
- 57
- 74
Rain Showers
- 54
- 74
Mostly Sunny
- 58
- 78
Mostly Sunny
Today 13 Jun Grant
Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. West Winds 5 to 10 Mph. Chance of rain 30 percent.
Tonight 13 Jun Grant
Mostly cloudy with scattered Showers and Thunderstorms this Evening, then partly cloudy with isolated Showers after midnight. Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.
Jamestown Temperature Statistics
June Temperature
Platteville Municipal Airport (8.7 miles)
Lowest 2 June, 2026
52 °FAverage June
71.6 °FHighest 6 June, 2026
86 °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