Carbon, IA Weather & Growing Conditions
Today
85°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Partly sunny. High near 85, with temperatures falling to around 82 in the afternoon. Northeast wind 3 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Chance Showers And Thunderstorms | 3 to 9 mph NE | 54% |
| Tonight | 62°F | Showers And Thunderstorms | 7 to 12 mph NNE | 82% |
| Wednesday | 74°F | Chance Showers And Thunderstorms | 9 mph NE | 59% |
| Wednesday Night | 58°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph NE | 24% |
| Thursday | 82°F | Mostly Sunny | 3 mph E | 4% |
| Thursday Night | 62°F | Mostly Clear | 3 mph SE | 9% |
| Friday | 86°F | Sunny | 3 to 8 mph S | 9% |
| Friday Night | 67°F | Mostly Clear | 6 mph S | 8% |
| Saturday | 90°F | Sunny | 3 to 12 mph S | 2% |
| Saturday Night | 72°F | Mostly Clear | 13 mph S | 9% |
| Sunday | 92°F | Mostly Sunny | 13 mph S | 9% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms | 14 mph SSE | 17% |
| Monday | 92°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 12 to 15 mph SSW | 16% |
| Monday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 12 to 15 mph SSE | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Carbon, IA
Last spring frost
Apr 27
First fall frost
Oct 12
Growing season
168 days
Hardiness zone
5b
Explore more for Carbon, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Corning, Ia (5.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.