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Creston, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Creston, a city in Union County, Iowa.

Today
81°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 81, with temperatures falling to around 78 in the afternoon. West southwest wind 6 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Creston

WhenTempForecastWindPrecip
Today 81°F Chance Showers And Thunderstorms 6 to 10 mph WSW 43%
Tonight 62°F Showers And Thunderstorms Likely 6 to 9 mph N 57%
Sunday 65°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 9 to 13 mph NNE 40%
Sunday Night 57°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 13 mph NE 55%
Monday 60°F Rain Showers Likely 13 mph NE 57%
Monday Night 52°F Chance Rain Showers 7 to 12 mph NE 47%
Tuesday 59°F Partly Sunny 9 mph ENE 10%
Tuesday Night 46°F Partly Cloudy 3 to 7 mph ENE 8%
Wednesday 63°F Mostly Sunny 5 mph E 2%
Wednesday Night 51°F Partly Cloudy 5 mph E 8%
Thursday 65°F Slight Chance Rain Showers 5 mph ESE 24%
Thursday Night 56°F Mostly Cloudy then Slight Chance Rain Showers 3 mph ESE 20%
Friday 66°F Slight Chance Rain Showers 3 to 7 mph ESE 20%
Friday Night 57°F Mostly Cloudy 6 mph ESE 12%

Forecast source: National Weather Service (api.weather.gov) for Creston (41.060, -94.365). Updated through the day.

Growing snapshot for Creston

Last spring frost
Apr 28
First fall frost
Oct 11
Growing season
164 days
Hardiness zone
5b

More local growing data for Creston: nearby ZIP 50801 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Creston 2 Sw, Ia (2.9 mi from Creston). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.