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Columbus Junction, IA Weather & Growing Conditions

This Afternoon
82°F
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 4pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 82. South wind 5 to 10 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 82°F Slight Chance Showers And Thunderstorms 5 to 10 mph S 24%
Tonight 65°F Showers And Thunderstorms 0 to 5 mph NW 89%
Sunday 69°F Showers And Thunderstorms Likely 5 to 15 mph N 74%
Sunday Night 58°F Showers And Thunderstorms Likely 10 to 15 mph NE 61%
Monday 63°F Rain Showers 15 mph NE 77%
Monday Night 53°F Rain Showers Likely 10 mph NE 64%
Tuesday 62°F Chance Rain Showers 10 mph NE 38%
Tuesday Night 50°F Partly Cloudy 5 to 10 mph NE 4%
Wednesday 65°F Mostly Sunny 5 mph NE 1%
Wednesday Night 53°F Partly Cloudy 0 to 5 mph NE 1%
Thursday 68°F Partly Sunny 0 to 5 mph NE 7%
Thursday Night 57°F Slight Chance Rain Showers 0 to 5 mph NE 17%
Friday 71°F Slight Chance Rain Showers 0 to 5 mph E 17%
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 Columbus Junction, IA

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

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

Climate data from the nearest NOAA station, Columbus Junction, Ia (1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.