Harman US

Crawfordsville, IA Weather & Growing Conditions

This Afternoon
81°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 81°F Slight Chance Showers And Thunderstorms 5 to 10 mph SW 24%
Tonight 65°F Showers And Thunderstorms 0 to 5 mph NW 89%
Sunday 69°F Showers And Thunderstorms Likely 5 to 15 mph NE 73%
Sunday Night 57°F Showers And Thunderstorms Likely 10 to 15 mph NE 62%
Monday 62°F Rain Showers 10 to 15 mph NE 78%
Monday Night 53°F Rain Showers Likely 10 mph NE 62%
Tuesday 61°F Chance Rain Showers 10 mph NE 35%
Tuesday Night 49°F Partly Cloudy 5 to 10 mph NE 4%
Wednesday 64°F Mostly Sunny 5 mph NE 1%
Wednesday Night 52°F Partly Cloudy 0 to 5 mph NE 1%
Thursday 68°F Partly Sunny 0 to 5 mph E 8%
Thursday Night 56°F Slight Chance Rain Showers 0 mph 18%
Friday 71°F Slight Chance Rain Showers 0 to 5 mph E 18%
Friday Night 57°F Partly Cloudy 0 to 5 mph E 9%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Crawfordsville, IA

Last spring frost
Apr 26
First fall frost
Oct 10
Growing season
167 days
Hardiness zone
5b

Explore more for Crawfordsville, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Columbus Junction, Ia (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.