Rowan, IA Weather & Growing Conditions
Today
76°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 76. North northwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Showers And Thunderstorms | 10 mph NNW | 83% |
| Tonight | 57°F | Showers And Thunderstorms Likely | 3 to 8 mph N | 59% |
| Wednesday | 75°F | Partly Sunny | 5 mph NNE | 10% |
| Wednesday Night | 53°F | Mostly Clear | 3 mph SE | 2% |
| Thursday | 80°F | Sunny | 1 to 5 mph S | 2% |
| Thursday Night | 59°F | Mostly Clear | 6 mph S | 1% |
| Friday | 83°F | Sunny | 5 to 12 mph S | 7% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 7 to 10 mph S | 25% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms then Sunny | 6 to 12 mph S | 15% |
| Saturday Night | 69°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 10 to 14 mph SSE | 21% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 12 mph SE | 21% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 mph SSE | 33% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 13 mph SE | 33% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms | 10 to 14 mph E | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rowan, IA
Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
5a
Explore more for Rowan, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Clarion, Ia (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.