Cumberland, IA Weather & Growing Conditions
Today
83°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Partly sunny. High near 83, with temperatures falling to around 80 in the afternoon. North northeast wind 6 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 6 to 10 mph NNE | 40% |
| Tonight | 61°F | Showers And Thunderstorms | 7 to 12 mph NNE | 85% |
| Wednesday | 72°F | Chance Showers And Thunderstorms | 10 mph NE | 63% |
| Wednesday Night | 57°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 8 mph NE | 17% |
| Thursday | 81°F | Mostly Sunny | 1 to 5 mph E | 5% |
| Thursday Night | 62°F | Mostly Clear | 3 mph SE | 5% |
| Friday | 85°F | Sunny | 3 to 8 mph S | 5% |
| Friday Night | 67°F | Mostly Clear | 7 mph S | 8% |
| Saturday | 89°F | Sunny | 3 to 12 mph S | 4% |
| Saturday Night | 72°F | Mostly Clear | 13 mph S | 10% |
| Sunday | 90°F | Mostly Sunny | 10 to 14 mph S | 9% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms | 13 mph SSE | 21% |
| Monday | 90°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 12 to 15 mph S | 21% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 10 to 16 mph SE | 25% |
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 Aug 4, 2026.