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Columbus Junction, IA Weather & Growing Conditions

This Afternoon
84°F
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 84. South wind around 10 mph. Chance of precipitation is 30%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 84°F Slight Chance Showers And Thunderstorms 10 mph S 32%
Tonight 65°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 to 10 mph W 82%
Sunday 72°F Showers And Thunderstorms 10 to 15 mph NE 77%
Sunday Night 58°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 10 to 15 mph NE 61%
Monday 65°F Showers And Thunderstorms Likely 15 mph NE 61%
Monday Night 53°F Chance Rain Showers 10 to 15 mph NE 51%
Tuesday 63°F Chance Rain Showers 10 to 15 mph NE 31%
Tuesday Night 48°F Partly Cloudy 5 to 10 mph NE 5%
Wednesday 67°F Sunny 5 to 10 mph NE 1%
Wednesday Night 52°F Partly Cloudy 0 to 5 mph NE 2%
Thursday 69°F Mostly Sunny 5 mph NE 6%
Thursday Night 55°F Partly Cloudy 0 to 5 mph NE 5%
Friday 72°F Mostly Sunny 5 mph E 5%
Friday Night 55°F Partly Cloudy 5 mph E 7%

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.