Jamestown Weather Forecast
- 54
- 70
Rain Showers Likely
- 56
- 69
Rain Showers
- 53
- 72
Slight Chance Thunderstorms
- 56
- 74
Chance Rain Showers
- 58
- 77
Chance Thunderstorms
- 57
- 74
Chance Thunderstorms
- 56
- 75
Partly Sunny
Today 16 Jun Grant
Partly sunny with isolated Showers and Thunderstorms. Highs around 70. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.
Tonight 16 Jun Grant
Mostly cloudy. A chance of Showers after midnight. Lows in the lower 50s. West Winds 10 to 15 Mph, becoming south 5 to 10 Mph after midnight. Chance of rain 50 percent.
Jamestown Temperature Statistics
June Temperature
Platteville Municipal Airport (8.7 miles)
Lowest 2 June, 2026
52 °FAverage June
70.6 °FHighest 6 June, 2026
86 °F
Climate (2021–2026)
Platteville Municipal Airport (8.7 miles)
Average Low 2021–2026
40.7 °FAverage 2021–2026
49.9 °FAverage High 2021–2026
58.8 °F