Weldon, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Weldon, a village in De Witt County, Illinois.
Today
85°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 85. South wind around 6 mph.
7-day forecast for Weldon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Patchy Fog then Sunny | 6 mph S | 0% |
| Tonight | 66°F | Partly Cloudy | 6 mph SSE | 1% |
| Wednesday | 85°F | Mostly Sunny | 5 to 9 mph SSW | 13% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 8 mph S | 80% |
| Thursday | 81°F | Showers And Thunderstorms | 8 mph SSW | 80% |
| Thursday Night | 65°F | Chance Showers And Thunderstorms | 3 to 7 mph S | 27% |
| Friday | 82°F | Mostly Sunny | 6 mph SSW | 10% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 5 mph SSW | 26% |
| Saturday | 84°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 8 mph SSW | 16% |
| Saturday Night | 70°F | Mostly Clear | 7 to 10 mph SSW | 13% |
| Sunday | 87°F | Sunny | 10 to 15 mph SSW | 8% |
| Sunday Night | 71°F | Mostly Clear | 10 to 15 mph SSW | 11% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms | 14 mph SSW | 16% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 13 mph SW | 27% |
Forecast source: National Weather Service (api.weather.gov) for Weldon (40.122, -88.750). Updated through the day.
Growing snapshot for Weldon
Last spring frost
Apr 16
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
More local growing data for Weldon: nearby ZIP 61882 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Decatur Ap, Il (19.7 mi from Weldon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.