Cumming, IA Weather & Growing Conditions
Today
85°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly sunny. High near 85, with temperatures falling to around 82 in the afternoon. Northwest wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Showers And Thunderstorms Likely | 6 to 10 mph NW | 66% |
| Tonight | 63°F | Showers And Thunderstorms | 7 to 12 mph NNE | 89% |
| Wednesday | 73°F | Showers And Thunderstorms Likely | 8 mph NE | 60% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 2 to 7 mph NE | 33% |
| Thursday | 81°F | Mostly Sunny | 5 mph ENE | 6% |
| Thursday Night | 61°F | Mostly Clear | 5 mph SE | 5% |
| Friday | 86°F | Sunny | 3 to 8 mph S | 5% |
| Friday Night | 67°F | Mostly Clear | 7 mph S | 11% |
| Saturday | 90°F | Sunny | 5 to 12 mph S | 7% |
| Saturday Night | 73°F | Mostly Clear | 13 mph SSW | 10% |
| Sunday | 91°F | Mostly Sunny | 13 mph S | 10% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms | 13 mph S | 26% |
| Monday | 91°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph SSW | 26% |
| Monday Night | 73°F | Chance Showers And Thunderstorms | 12 to 15 mph SE | 26% |
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 Aug 4, 2026.