Harman US

Creston, IA Weather & Growing Conditions

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

This Afternoon
49°F
Cloudy
Cloudy. High near 49, with temperatures falling to around 46 in the afternoon. West wind around 16 mph, with gusts as high as 23 mph.

7-day forecast for Creston

WhenTempForecastWindPrecip
This Afternoon 49°F Cloudy 16 mph W 9%
Tonight 41°F Cloudy then Chance Rain Showers 13 mph WNW 25%
Thursday 50°F Chance Rain Showers then Cloudy 13 mph NW 29%
Thursday Night 37°F Mostly Cloudy 7 to 10 mph N 4%
Friday 48°F Partly Sunny 3 to 7 mph N 4%
Friday Night 29°F Partly Cloudy 2 mph E 0%
Saturday 53°F Mostly Sunny 2 to 6 mph SW 0%
Saturday Night 34°F Mostly Clear 6 mph WSW 0%
Sunday 60°F Sunny 5 mph W 0%
Sunday Night 38°F Clear 6 mph SW 0%
Monday 65°F Sunny 6 to 12 mph SW 0%
Monday Night 41°F Clear 7 mph W 0%
Tuesday 63°F Sunny 5 mph N 1%
Tuesday Night 43°F Partly Cloudy 5 mph NE 3%

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

Nearby towns & communities

All Iowa locations ›

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 Nov 4, 2026.