New Salem, IL Weather & Growing Conditions
Tonight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. Southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Partly Cloudy | 7 mph SE | 10% |
| Saturday | 94°F | Partly Sunny | 5 to 8 mph SW | 8% |
| Saturday Night | 70°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph SW | 30% |
| Sunday | 84°F | Showers And Thunderstorms Likely | 2 to 7 mph NW | 67% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely | 7 to 10 mph NE | 72% |
| Monday | 70°F | Showers And Thunderstorms Likely | 10 mph NE | 72% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 51% |
| Tuesday | 66°F | Chance Rain Showers then Mostly Cloudy | 9 mph NE | 29% |
| Tuesday Night | 52°F | Mostly Cloudy | 5 to 8 mph N | 4% |
| Wednesday | 70°F | Mostly Sunny | 7 mph N | 1% |
| Wednesday Night | 54°F | Partly Cloudy | 5 mph NE | 1% |
| Thursday | 72°F | Mostly Sunny | 5 mph NE | 5% |
| Thursday Night | 57°F | Partly Cloudy | 3 mph NE | 5% |
| Friday | 73°F | Mostly Sunny | 5 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Salem, IL
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
189 days
Hardiness zone
6a
Explore more for New Salem, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Pittsfield #2, Il (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.