Prosper Weather Forecast
- 46
- 68
Mostly Cloudy
- 53
- 68
Rain Showers
- 43
- 65
Rain Showers
- 38
- 54
Partly Sunny
- 37
- 56
Partly Sunny
- 36
- 54
Mostly Cloudy
Today 25 Apr Fillmore
Mostly sunny. Highs in the upper 60s. Northeast Winds 5 to 10 Mph.
Tonight 25 Apr Fillmore
Mostly cloudy. Lows in the mid 40s. Southeast Winds 5 to 10 Mph.
Prosper Temperature Statistics
April Temperature
Decorah (16.8 miles)
Lowest 7 April, 2026
23 °FAverage April
46.3 °FHighest 17 April, 2026
77 °F
Climate (2021–Present)
Decorah (16.8 miles)
Average Low 2021–2026
39.5 °FAverage 2021–2026
48.2 °FAverage High 2021–2026
56.8 °F