Clarion, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clarion, a city in Wright County, Iowa.
Overnight
65°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 2am, then a chance of showers and thunderstorms between 2am and 3am, then showers and thunderstorms likely between 3am and 5am, then a chance of showers and thunderstorms. Cloudy. Low around 65, with temperatures rising to around 67 overnight. Southeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Clarion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Showers And Thunderstorms Likely | 8 mph SE | 63% |
| Saturday | 74°F | Chance Showers And Thunderstorms then Patchy Fog | 8 mph WNW | 41% |
| Saturday Night | 58°F | Slight Chance Rain Showers | 9 to 13 mph N | 19% |
| Sunday | 66°F | Slight Chance Rain Showers | 15 mph NE | 23% |
| Sunday Night | 52°F | Chance Rain Showers | 13 mph ENE | 28% |
| Monday | 60°F | Chance Rain Showers | 9 to 14 mph ENE | 54% |
| Monday Night | 47°F | Chance Rain Showers | 6 to 9 mph ENE | 54% |
| Tuesday | 61°F | Mostly Sunny | 8 mph ENE | 13% |
| Tuesday Night | 44°F | Mostly Clear | 2 to 6 mph E | 2% |
| Wednesday | 65°F | Sunny | 5 mph E | 2% |
| Wednesday Night | 48°F | Partly Cloudy | 3 mph ESE | 7% |
| Thursday | 66°F | Partly Sunny | 5 mph SE | 18% |
| Thursday Night | 52°F | Mostly Cloudy | 2 mph ESE | 7% |
| Friday | 69°F | Partly Sunny | 2 to 6 mph SE | 8% |
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 Sep 19, 2026.