Tremont, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tremont, a village in Tazewell County, Illinois.
Today
87°F
Sunny
Sunny, with a high near 87. South wind around 7 mph.
7-day forecast for Tremont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 7 mph S | 0% |
| Tonight | 67°F | Partly Cloudy | 6 mph SSE | 9% |
| Wednesday | 85°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 7 mph S | 32% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 6 mph SSE | 90% |
| Thursday | 81°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph SSW | 79% |
| Thursday Night | 64°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SSE | 16% |
| Friday | 83°F | Mostly Sunny | 3 mph S | 9% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 2 mph SSW | 22% |
| Saturday | 86°F | Mostly Sunny | 2 to 7 mph SSW | 11% |
| Saturday Night | 70°F | Mostly Clear | 7 mph S | 10% |
| Sunday | 88°F | Sunny | 7 to 12 mph SSW | 7% |
| Sunday Night | 71°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 7 to 10 mph SSW | 17% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 7 to 10 mph SSW | 17% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 9 mph SW | 27% |
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 Aug 4, 2026.