Newton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newton, a city in Jasper County, Illinois.
Today
85°F
Sunny
Sunny, with a high near 85. East wind around 3 mph.
7-day forecast for Newton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 3 mph E | 0% |
| Tonight | 63°F | Mostly Clear | 2 mph SE | 0% |
| Wednesday | 87°F | Sunny | 3 mph S | 0% |
| Wednesday Night | 68°F | Partly Cloudy then Chance Rain Showers | 3 mph S | 25% |
| Thursday | 84°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 51% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 3 mph SSW | 53% |
| Friday | 84°F | Chance Showers And Thunderstorms | 5 mph SSW | 33% |
| Friday Night | 68°F | Slight Chance Showers And Thunderstorms | 3 mph SSW | 24% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph SSW | 23% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 19% |
| Sunday | 87°F | Sunny | 5 to 9 mph SSW | 10% |
| Sunday Night | 71°F | Mostly Clear | 8 mph SSW | 10% |
| Monday | 89°F | Mostly Sunny | 7 to 10 mph SW | 10% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 8 mph SSW | 22% |
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 Aug 4, 2026.