Clarion, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clarion, a city in Wright County, Iowa.
Today
76°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a high near 76. North northwest wind 8 to 12 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Clarion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Showers And Thunderstorms Likely | 8 to 12 mph NNW | 66% |
| Tonight | 57°F | Showers And Thunderstorms Likely | 3 to 8 mph N | 59% |
| Wednesday | 75°F | Partly Sunny | 5 mph NNE | 8% |
| Wednesday Night | 52°F | Mostly Clear | 3 mph ESE | 2% |
| Thursday | 80°F | Sunny | 1 to 5 mph S | 2% |
| Thursday Night | 59°F | Mostly Clear | 6 mph S | 1% |
| Friday | 84°F | Sunny | 5 to 13 mph S | 8% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 6 to 12 mph S | 26% |
| Saturday | 87°F | Slight Chance Showers And Thunderstorms then Sunny | 5 to 14 mph S | 15% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SSE | 20% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 13 mph SE | 20% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph SE | 32% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 14 mph SE | 32% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph ENE | 33% |
Forecast source: National Weather Service (api.weather.gov) for Clarion (42.732, -93.730). Updated through the day.
Growing snapshot for Clarion
Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
5a
More local growing data for Clarion: nearby ZIP 50525 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Clarion, Ia (1.3 mi from Clarion). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.