Weldon, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Weldon, a village in De Witt County, Illinois.
This Afternoon
73°F
Chance Light Rain
A chance of rain and a slight chance of thunderstorms. Partly sunny, with a high near 73. South wind around 23 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Weldon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Chance Light Rain | 23 mph S | 46% |
| Tonight | 54°F | Rain | 16 to 21 mph S | 82% |
| Wednesday | 61°F | Chance Light Rain then Mostly Cloudy | 15 to 18 mph SW | 26% |
| Wednesday Night | 44°F | Mostly Cloudy | 14 mph SW | 1% |
| Thursday | 61°F | Mostly Sunny | 13 to 18 mph WSW | 5% |
| Thursday Night | 42°F | Mostly Cloudy | 6 to 12 mph WNW | 12% |
| Friday | 56°F | Slight Chance Light Rain then Mostly Cloudy | 9 to 15 mph NNW | 17% |
| Friday Night | 35°F | Mostly Cloudy | 5 to 13 mph NNW | 6% |
| Saturday | 54°F | Mostly Sunny | 7 mph NW | 1% |
| Saturday Night | 33°F | Partly Cloudy | 6 mph W | 1% |
| Sunday | 60°F | Sunny | 5 to 13 mph W | 11% |
| Sunday Night | 33°F | Mostly Clear | 6 to 10 mph WNW | 7% |
| Monday | 64°F | Sunny | 6 to 15 mph WSW | 2% |
| Monday Night | 38°F | Mostly Clear | 7 to 12 mph WSW | 2% |
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 Nov 4, 2026.