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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.