Rowan, IA Weather & Growing Conditions
Today
71°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then a slight chance of showers and thunderstorms. Cloudy. High near 71, with temperatures falling to around 69 in the afternoon. North wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Chance Showers And Thunderstorms | 5 to 8 mph N | 40% |
| Tonight | 58°F | Slight Chance Showers And Thunderstorms | 12 mph N | 22% |
| Sunday | 66°F | Slight Chance Rain Showers then Slight Chance Drizzle | 15 mph NE | 21% |
| Sunday Night | 52°F | Chance Rain Showers | 13 mph ENE | 31% |
| Monday | 61°F | Chance Rain Showers | 13 mph ENE | 47% |
| Monday Night | 47°F | Chance Rain Showers | 6 to 10 mph ENE | 45% |
| Tuesday | 60°F | Mostly Sunny | 8 mph ENE | 10% |
| Tuesday Night | 43°F | Mostly Clear | 2 to 6 mph E | 1% |
| Wednesday | 65°F | Sunny | 5 mph E | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph ESE | 7% |
| Thursday | 66°F | Partly Sunny | 5 mph SE | 13% |
| Thursday Night | 52°F | Mostly Cloudy | 2 mph ESE | 6% |
| Friday | 69°F | Partly Sunny | 2 to 6 mph SE | 6% |
| Friday Night | 52°F | Mostly Cloudy | 3 mph SE | 11% |
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 Sep 19, 2026.