Harman US

Cumming, IA Weather & Growing Conditions

Tonight
47°F
Chance Rain Showers
A chance of rain showers before 3am. Cloudy, with a low around 47. West northwest wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 47°F Chance Rain Showers 15 mph WNW 29%
Wednesday 53°F Mostly Cloudy then Slight Chance Rain Showers 14 to 17 mph W 16%
Wednesday Night 44°F Mostly Cloudy then Slight Chance Rain Showers 14 mph W 15%
Thursday 53°F Chance Rain Showers 13 mph NW 54%
Thursday Night 41°F Mostly Cloudy 10 mph NNW 10%
Friday 53°F Partly Sunny 5 to 8 mph N 3%
Friday Night 35°F Partly Cloudy 3 mph N 0%
Saturday 57°F Mostly Sunny 1 to 5 mph WSW 1%
Saturday Night 38°F Mostly Clear 6 mph W 4%
Sunday 63°F Sunny 7 mph W 6%
Sunday Night 40°F Mostly Clear 7 mph SW 1%
Monday 66°F Sunny 7 to 12 mph SW 0%
Monday Night 43°F Mostly Clear 5 to 8 mph W 0%
Tuesday 65°F Sunny 7 mph NNW 0%

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

Growing snapshot for Cumming, IA

Last spring frost
Apr 18
First fall frost
Oct 20
Growing season
184 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Des Moines Intl Ap, Ia (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.