Sublette, IL Weather & Growing Conditions
Tonight
55°F
Rain Showers
Rain showers. Cloudy. Low around 55, with temperatures rising to around 59 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Rain Showers | 15 mph S | 88% |
| Wednesday | 58°F | Chance Rain Showers then Mostly Cloudy | 15 mph SSW | 34% |
| Wednesday Night | 46°F | Slight Chance Rain Showers | 15 mph SW | 20% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph WSW | 49% |
| Thursday Night | 42°F | Chance Rain Showers | 5 to 10 mph NW | 37% |
| Friday | 51°F | Slight Chance Rain Showers then Partly Sunny | 10 mph N | 16% |
| Friday Night | 34°F | Partly Cloudy | 0 to 5 mph NNW | 1% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph WNW | 3% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph WSW | 4% |
| Sunday | 56°F | Mostly Sunny | 5 to 10 mph W | 12% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 5% |
| Monday | 61°F | Sunny | 5 to 10 mph SW | 2% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph W | 1% |
| Tuesday | 61°F | Sunny | 5 mph WNW | 0% |
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 Nov 4, 2026.