Union Grove State Park Weather Forecast
- 33
- 50
Chance Rain
- 26
- 46
Slight Chance Rain
- 33
- 43
Mostly Cloudy
- 24
- 52
Mostly Cloudy
- 15
- 35
Mostly Cloudy
- 17
- 31
Mostly Cloudy
Today 30 Jan Tama
Mostly sunny this Morning, then mostly cloudy with a chance of rain this afternoon. Highs around 50. South Winds 5 to 10 Mph. Chance of rain 30 percent.
Tonight 30 Jan Tama
Cloudy with a 50 percent chance of rain. Lows in the lower 30s. Northeast Winds 10 to 15 Mph.
Union Grove State Park Temperature Statistics
January Temperature
Marshalltown, Marshalltown Municipal Airport (9.9 miles)
Lowest 21 January, 2025
-12.2 °FAverage January
17.3 °FHighest 28 January, 2025
54 °F
Climate (2020–Present)
Marshalltown, Marshalltown Municipal Airport (9.9 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
39.3 °FAverage 2020–2025
49.8 °FAverage High 2020–2025
60.3 °F