Welton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Welton, a city in Clinton County, Iowa.
This Afternoon
67°F
Showers And Thunderstorms
Rain showers before 3pm, then showers and thunderstorms. Mostly cloudy, with a high near 67. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
7-day forecast for Welton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Showers And Thunderstorms | 15 to 20 mph S | 94% |
| Tonight | 52°F | Showers And Thunderstorms Likely | 10 to 15 mph S | 73% |
| Wednesday | 56°F | Chance Rain Showers | 15 mph SW | 33% |
| Wednesday Night | 45°F | Slight Chance Rain Showers | 10 to 15 mph SW | 22% |
| Thursday | 54°F | Chance Rain Showers | 5 to 10 mph W | 53% |
| Thursday Night | 42°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph NW | 24% |
| Friday | 52°F | Partly Sunny | 5 mph N | 10% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph W | 4% |
| Sunday | 59°F | Sunny | 5 mph W | 11% |
| Sunday Night | 36°F | Mostly Clear | 0 to 5 mph W | 3% |
| Monday | 62°F | Sunny | 5 mph SW | 1% |
| Monday Night | 40°F | Mostly Clear | 5 mph W | 0% |
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 Nov 3, 2026.