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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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.