Welton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Welton, a city in Clinton County, Iowa.
Today
85°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly sunny. High near 85, with temperatures falling to around 82 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
7-day forecast for Welton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 29% |
| Tonight | 66°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 86% |
| Wednesday | 77°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 69% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph N | 57% |
| Thursday | 80°F | Chance Rain Showers then Mostly Sunny | 0 mph | 31% |
| Thursday Night | 60°F | Mostly Clear | 0 mph | 4% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 64°F | Mostly Clear | 0 mph | 8% |
| Saturday | 85°F | Sunny | 5 mph S | 11% |
| Saturday Night | 69°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 mph S | 19% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph SW | 19% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 mph SW | 38% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 mph S | 37% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 5 mph NE | 37% |
Forecast source: National Weather Service (api.weather.gov) for Welton (41.908, -90.597). Updated through the day.
Growing snapshot for Welton
Last spring frost
Apr 25
First fall frost
Oct 14
Growing season
171 days
Hardiness zone
5b
More local growing data for Welton: nearby ZIP 52774 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Andover
Calamus
Camanche
Charlotte
Clinton
Delmar
DeWitt
Goose Lake
Grand Mound
Lost Nation
Low Moor
Toronto
Wheatland
Climate data from the nearest NOAA station, Maquoketa, Ia (12.2 mi from Welton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.