Thompsonville, IL Weather & Growing Conditions
Today
88°F
Sunny
Sunny, with a high near 88. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 5 mph E | 0% |
| Tonight | 63°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 91°F | Sunny | 1 to 6 mph S | 0% |
| Wednesday Night | 70°F | Partly Cloudy | 1 to 5 mph SSE | 3% |
| Thursday | 88°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 6 mph SSW | 30% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 3 mph S | 41% |
| Friday | 88°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 7 mph SW | 59% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 49% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 35% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 mph SSW | 16% |
| Sunday | 92°F | Sunny | 3 to 10 mph SSW | 9% |
| Sunday Night | 74°F | Mostly Clear | 6 to 10 mph SSW | 7% |
| Monday | 95°F | Sunny | 7 to 14 mph SSW | 7% |
| Monday Night | 76°F | Mostly Clear | 9 to 13 mph SSW | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Thompsonville, IL
Last spring frost
Apr 4
First fall frost
Oct 28
Growing season
206 days
Hardiness zone
6b
Explore more for Thompsonville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Benton 2 N, Il (13.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.