Peoria Heights, IL Weather & Growing Conditions
Today
55°F
Slight Chance Drizzle
A slight chance of drizzle. Mostly cloudy, with a high near 55. West southwest wind around 14 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 55°F | Slight Chance Drizzle | 14 mph WSW | 10% |
| Tonight | 46°F | Slight Chance Drizzle then Mostly Cloudy | 12 mph WSW | 10% |
| Thursday | 56°F | Mostly Cloudy then Slight Chance Light Rain | 10 to 14 mph W | 24% |
| Thursday Night | 45°F | Chance Light Rain then Mostly Cloudy | 6 to 9 mph NW | 25% |
| Friday | 51°F | Partly Sunny | 10 mph N | 7% |
| Friday Night | 35°F | Partly Cloudy | 1 to 7 mph NNW | 0% |
| Saturday | 52°F | Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 35°F | Mostly Clear | 2 mph WNW | 2% |
| Sunday | 57°F | Sunny | 2 to 7 mph W | 1% |
| Sunday Night | 37°F | Clear | 0 to 3 mph W | 1% |
| Monday | 62°F | Sunny | 0 to 8 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 5 mph WSW | 0% |
| Tuesday | 64°F | Sunny | 5 mph WNW | 1% |
| Tuesday Night | 42°F | Mostly Clear | 1 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Peoria Heights, IL
Last spring frost
Apr 16
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
6a
Explore more for Peoria Heights, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Peoria Gtr Peoria Ap, Il (8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.