North Henderson, IL Weather & Growing Conditions
Today
87°F
Mostly Sunny
Mostly sunny, with a high near 87. South wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Mostly Sunny | 5 to 10 mph S | 1% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 5 mph E | 42% |
| Wednesday | 81°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph NE | 71% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph N | 85% |
| Thursday | 80°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph NE | 64% |
| Thursday Night | 62°F | Mostly Clear | 0 mph | 13% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph S | 14% |
| Friday Night | 65°F | Mostly Clear | 0 to 5 mph S | 14% |
| Saturday | 85°F | Sunny | 5 mph S | 9% |
| Saturday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 15% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Sunny | 10 to 15 mph SW | 15% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 mph S | 30% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 mph S | 30% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 10 mph S | 32% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for North Henderson, IL
Last spring frost
Apr 20
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
5b
Explore more for North Henderson, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Galesburg, Il (12.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.