Creston, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Creston, a city in Union County, Iowa.
Today
84°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Partly sunny. High near 84, with temperatures falling to around 82 in the afternoon. Northwest wind 5 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Creston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph NW | 40% |
| Tonight | 63°F | Showers And Thunderstorms | 8 to 12 mph NE | 85% |
| Wednesday | 72°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 mph NE | 73% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 3 to 9 mph NE | 38% |
| Thursday | 81°F | Mostly Sunny | 3 mph E | 6% |
| Thursday Night | 62°F | Mostly Clear | 3 mph SE | 6% |
| Friday | 85°F | Sunny | 7 mph S | 6% |
| Friday Night | 67°F | Mostly Clear | 7 mph S | 9% |
| Saturday | 89°F | Sunny | 6 to 12 mph SSW | 3% |
| Saturday Night | 73°F | Mostly Clear | 12 to 15 mph S | 9% |
| Sunday | 90°F | Mostly Sunny | 14 mph S | 9% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms | 14 mph SSE | 19% |
| Monday | 91°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 13 to 16 mph SSW | 19% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 13 to 16 mph SSE | 24% |
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 Aug 4, 2026.