Sublette, IL Weather & Growing Conditions
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 to 10 mph SSW | 1% |
| Tonight | 67°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph S | 47% |
| Wednesday | 77°F | Showers And Thunderstorms Likely | 5 mph WSW | 68% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph NNE | 85% |
| Thursday | 78°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 5 mph NE | 56% |
| Thursday Night | 61°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 16% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph SSE | 6% |
| Friday Night | 64°F | Mostly Clear | 0 to 5 mph S | 8% |
| Saturday | 83°F | Sunny | 5 to 10 mph SSW | 9% |
| Saturday Night | 69°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 17% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph SSW | 17% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 33% |
| Monday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 33% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 10 mph W | 40% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sublette, IL
Last spring frost
Apr 27
First fall frost
Oct 12
Growing season
167 days
Hardiness zone
5b
Explore more for Sublette, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Compton 1 Nw, Il (10.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.