Harman US

Dumont, IA Weather & Growing Conditions

Today
72°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Cloudy, with a high near 72. East northeast wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 72°F Chance Showers And Thunderstorms 3 to 7 mph ENE 52%
Tonight 58°F Chance Showers And Thunderstorms 10 mph N 28%
Sunday 66°F Chance Rain Showers then Chance Drizzle 10 to 14 mph NE 28%
Sunday Night 52°F Chance Rain Showers 12 mph ENE 31%
Monday 61°F Chance Rain Showers 12 mph ENE 46%
Monday Night 46°F Chance Rain Showers 5 to 9 mph ENE 39%
Tuesday 60°F Mostly Sunny 5 to 8 mph ENE 13%
Tuesday Night 43°F Partly Cloudy 1 to 5 mph ENE 2%
Wednesday 65°F Sunny 1 to 5 mph E 1%
Wednesday Night 48°F Partly Cloudy 2 mph ESE 5%
Thursday 66°F Partly Sunny 3 mph ESE 10%
Thursday Night 51°F Partly Cloudy 2 mph ESE 4%
Friday 68°F Mostly Sunny 1 to 5 mph ESE 4%
Friday Night 52°F Partly Cloudy 3 mph SE 10%

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

Growing snapshot for Dumont, IA

Last spring frost
Apr 27
First fall frost
Oct 8
Growing season
165 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Allison, Ia (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.