Marquette Heights, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marquette Heights, a city in Tazewell County, Illinois.
Today
87°F
Sunny
Sunny, with a high near 87. South southwest wind 3 to 7 mph.
7-day forecast for Marquette Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 3 to 7 mph SSW | 0% |
| Tonight | 68°F | Partly Cloudy | 5 mph SSE | 13% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 2 to 6 mph SSW | 37% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 2 to 6 mph NNW | 89% |
| Thursday | 82°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 79% |
| Thursday Night | 65°F | Partly Cloudy | 0 to 3 mph SE | 14% |
| Friday | 84°F | Mostly Sunny | 2 mph SSW | 11% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 1 mph NNE | 18% |
| Saturday | 87°F | Mostly Sunny | 1 to 6 mph SSW | 12% |
| Saturday Night | 71°F | Mostly Clear | 6 mph S | 9% |
| Sunday | 89°F | Sunny | 6 to 10 mph SSW | 7% |
| Sunday Night | 72°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 9 mph SSW | 19% |
| Monday | 90°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 9 mph SSW | 19% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 8 mph SW | 28% |
Forecast source: National Weather Service (api.weather.gov) for Marquette Heights (40.618, -89.605). Updated through the day.
Growing snapshot for Marquette Heights
Last spring frost
Apr 16
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
6a
More local growing data for Marquette Heights: nearby ZIP 61610 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Delavan
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Hopedale
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Minier
Morton
North Pekin
Pekin
South Pekin
Tremont
Washington
Climate data from the nearest NOAA station, Peoria Gtr Peoria Ap, Il (4.8 mi from Marquette Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.