Jewett, IL Weather & Growing Conditions
Overnight
58°F
Chance Light Rain
A chance of rain. Cloudy, with a low around 58. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Chance Light Rain | 10 mph S | 37% |
| Wednesday | 64°F | Chance Light Rain then Slight Chance Drizzle | 13 mph SW | 26% |
| Wednesday Night | 43°F | Slight Chance Drizzle then Mostly Cloudy | 9 mph WSW | 10% |
| Thursday | 64°F | Mostly Sunny | 8 to 13 mph WSW | 1% |
| Thursday Night | 44°F | Mostly Cloudy | 5 mph WNW | 1% |
| Friday | 56°F | Partly Sunny | 5 to 12 mph NNW | 3% |
| Friday Night | 35°F | Partly Cloudy | 3 to 8 mph NNW | 0% |
| Saturday | 54°F | Mostly Sunny | 6 mph NNW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 2 mph NW | 0% |
| Sunday | 59°F | Sunny | 2 to 8 mph WNW | 2% |
| Sunday Night | 33°F | Clear | 3 mph W | 0% |
| Monday | 63°F | Sunny | 1 to 6 mph SW | 0% |
| Monday Night | 38°F | Clear | 3 mph SW | 0% |
| Tuesday | 67°F | Sunny | 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jewett, IL
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6b
Explore more for Jewett, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Newton, Il (13.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.