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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
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.