Crawfordsville, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Crawfordsville, a city in Washington County, Iowa.
Today
52°F
Slight Chance Rain Showers then Cloudy
A slight chance of rain showers before 9am. Cloudy, with a high near 52. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Crawfordsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Slight Chance Rain Showers then Cloudy | 15 mph W | 20% |
| Tonight | 45°F | Mostly Cloudy | 10 to 15 mph SW | 9% |
| Thursday | 55°F | Rain Showers Likely | 10 to 15 mph W | 68% |
| Thursday Night | 41°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NW | 15% |
| Friday | 50°F | Partly Sunny | 5 to 10 mph N | 6% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Saturday Night | 34°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 57°F | Sunny | 5 mph W | 2% |
| Sunday Night | 35°F | Clear | 0 to 5 mph W | 0% |
| Monday | 64°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 41°F | Partly Cloudy | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov) for Crawfordsville (41.214, -91.537). Updated through the day.
Growing snapshot for Crawfordsville
Last spring frost
Apr 26
First fall frost
Oct 10
Growing season
167 days
Hardiness zone
5b
More local growing data for Crawfordsville: nearby ZIP 52621 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Columbus Junction, Ia (10.3 mi from Crawfordsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.