Harman US

Marble Rock, IA Weather & Growing Conditions

Today
49°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 49, with temperatures falling to around 47 in the afternoon. West wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 49°F Chance Rain Showers 16 mph W 38%
Tonight 41°F Rain Showers Likely 14 mph W 60%
Thursday 49°F Chance Rain Showers then Cloudy 13 to 16 mph NW 34%
Thursday Night 34°F Mostly Cloudy 5 to 10 mph N 5%
Friday 47°F Mostly Sunny 3 to 7 mph N 1%
Friday Night 27°F Partly Cloudy 2 mph N 0%
Saturday 51°F Mostly Sunny 0 to 5 mph W 0%
Saturday Night 33°F Mostly Clear 5 mph W 2%
Sunday 56°F Sunny 3 to 7 mph W 2%
Sunday Night 34°F Mostly Clear 3 mph SW 0%
Monday 62°F Sunny 3 to 9 mph SW 0%
Monday Night 38°F Mostly Clear 5 mph W 0%
Tuesday 60°F Mostly Sunny 3 mph NW 0%
Tuesday Night 38°F Partly Cloudy 2 mph NE 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Marble Rock, IA

Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
157 days
Hardiness zone
5a

Explore more for Marble Rock, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Charles City, Ia (12.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.