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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.

This Afternoon
82°F
Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 2pm and 4pm, then a slight chance of showers and thunderstorms. Partly sunny. High near 82, with temperatures falling to around 79 in the afternoon. West wind around 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Creston

WhenTempForecastWindPrecip
This Afternoon 82°F Slight Chance Showers And Thunderstorms 9 mph W 20%
Tonight 62°F Showers And Thunderstorms Likely 6 to 9 mph NNE 65%
Sunday 65°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 9 to 13 mph NNE 45%
Sunday Night 57°F Showers And Thunderstorms Likely 12 mph NE 61%
Monday 60°F Rain Showers Likely 13 mph NE 61%
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.