Harman US

Cumberland, IA Weather & Growing Conditions

Tonight
43°F
Chance Rain Showers
A chance of rain showers before 1am. Cloudy. Low around 43, with temperatures rising to around 45 overnight. Northwest wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 43°F Chance Rain Showers 13 to 18 mph NW 45%
Wednesday 50°F Slight Chance Rain Showers 13 to 17 mph W 19%
Wednesday Night 40°F Mostly Cloudy then Slight Chance Rain Showers 9 to 13 mph W 16%
Thursday 51°F Chance Rain Showers 12 mph NW 53%
Thursday Night 38°F Mostly Cloudy 5 to 8 mph NNW 8%
Friday 52°F Partly Sunny 2 to 6 mph N 3%
Friday Night 34°F Mostly Cloudy 1 mph ESE 0%
Saturday 56°F Mostly Sunny 1 to 6 mph SW 2%
Saturday Night 37°F Mostly Clear 3 mph W 4%
Sunday 61°F Sunny 2 to 6 mph W 5%
Sunday Night 40°F Mostly Clear 6 mph SW 0%
Monday 65°F Sunny 6 to 12 mph SW 0%
Monday Night 41°F Mostly Clear 6 mph WNW 0%
Tuesday 63°F Mostly Sunny 6 mph NE 1%

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

Growing snapshot for Cumberland, IA

Last spring frost
Apr 30
First fall frost
Oct 2
Growing season
153 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Atlantic 1 Ne, Ia (13.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.