Peoria Heights, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Peoria Heights, a village in Peoria County, Illinois.
Tonight
69°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
Patchy fog between 3am and 4am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East southeast wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Peoria Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 9 mph ESE | 22% |
| Saturday | 85°F | Patchy Fog then Mostly Cloudy | 8 mph S | 25% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely | 5 to 8 mph NW | 62% |
| Sunday | 77°F | Rain Showers Likely | 5 to 13 mph NE | 73% |
| Sunday Night | 60°F | Showers And Thunderstorms Likely | 15 mph NE | 70% |
| Monday | 67°F | Showers And Thunderstorms Likely | 14 mph ENE | 70% |
| Monday Night | 56°F | Chance Rain Showers | 12 to 15 mph NE | 42% |
| Tuesday | 66°F | Chance Rain Showers | 14 mph NE | 27% |
| Tuesday Night | 53°F | Mostly Cloudy | 5 to 12 mph NNE | 5% |
| Wednesday | 69°F | Mostly Sunny | 8 mph NNE | 4% |
| Wednesday Night | 55°F | Partly Cloudy | 2 to 7 mph NNE | 2% |
| Thursday | 70°F | Mostly Sunny | 3 to 7 mph NNE | 3% |
| Thursday Night | 57°F | Partly Cloudy | 1 to 6 mph NE | 3% |
| Friday | 72°F | Mostly Sunny | 2 to 6 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Peoria Heights (40.747, -89.570). Updated through the day.
Growing snapshot for Peoria Heights
Last spring frost
Apr 16
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
6a
More local growing data for Peoria Heights: nearby ZIP 61616 weather · frost dates · planting calendar · Illinois frost dates
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Dunlap
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Hanna City
Kingston Mines
Lake Camelot
Mapleton
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Peoria
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Spring Bay
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West Peoria
Climate data from the nearest NOAA station, Peoria Gtr Peoria Ap, Il (8 mi from Peoria Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.