Newton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newton, a city in Jasper County, Illinois.
This Afternoon
77°F
Partly Sunny
Partly sunny, with a high near 77. South southeast wind 16 to 20 mph, with gusts as high as 32 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Newton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Partly Sunny | 16 to 20 mph SSE | 12% |
| Tonight | 58°F | Rain | 13 to 17 mph S | 93% |
| Wednesday | 66°F | Chance Rain Showers then Partly Sunny | 8 to 14 mph SW | 12% |
| Wednesday Night | 44°F | Partly Cloudy | 6 mph WSW | 0% |
| Thursday | 66°F | Sunny | 6 to 13 mph WSW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 3 mph WNW | 3% |
| Friday | 59°F | Partly Sunny | 3 to 10 mph NNW | 4% |
| Friday Night | 38°F | Partly Cloudy | 3 to 7 mph NNW | 4% |
| Saturday | 56°F | Mostly Sunny | 6 mph NNW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph WNW | 1% |
| Sunday | 61°F | Sunny | 2 to 8 mph W | 7% |
| Sunday Night | 33°F | Mostly Clear | 5 mph NW | 6% |
| Monday | 64°F | Sunny | 2 to 9 mph W | 3% |
| Monday Night | 38°F | Mostly Clear | 5 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Newton (38.987, -88.164). Updated through the day.
Growing snapshot for Newton
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6b
More local growing data for Newton: nearby ZIP 62448 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Newton, Il (1.6 mi from Newton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.