Tremont, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tremont, a village in Tazewell County, Illinois.
This Afternoon
81°F
Chance Rain Showers
A chance of rain showers before 4pm. Partly sunny, with a high near 81. East wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Tremont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Chance Rain Showers | 9 mph E | 41% |
| Tonight | 69°F | Partly Cloudy | 10 mph ESE | 5% |
| Saturday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 9 mph S | 21% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 7 mph ESE | 51% |
| Sunday | 78°F | Rain Showers Likely | 3 to 14 mph NNE | 66% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 12 to 15 mph NE | 67% |
| Monday | 67°F | Showers And Thunderstorms Likely | 14 mph ENE | 67% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 12 to 16 mph NE | 46% |
| Tuesday | 65°F | Chance Rain Showers then Mostly Cloudy | 14 mph NE | 28% |
| Tuesday Night | 51°F | Mostly Cloudy | 6 to 13 mph NNE | 6% |
| Wednesday | 69°F | Mostly Sunny | 9 mph NNE | 4% |
| Wednesday Night | 52°F | Partly Cloudy | 3 to 8 mph NNE | 2% |
| Thursday | 70°F | Mostly Sunny | 3 to 7 mph NNE | 2% |
| Thursday Night | 54°F | Partly Cloudy | 2 to 6 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Tremont (40.525, -89.489). Updated through the day.
Growing snapshot for Tremont
Last spring frost
Apr 21
First fall frost
Oct 17
Growing season
178 days
Hardiness zone
6a
More local growing data for Tremont: nearby ZIP 61568 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Armington
Creve Coeur
Deer Creek
Delavan
East Peoria
Green Valley
Heritage Lake
Hopedale
Mackinaw
Manito
Marquette Heights
Minier
Morton
North Pekin
Pekin
South Pekin
Washington
Climate data from the nearest NOAA station, Congerville 2Nw, Il (14.7 mi from Tremont). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.