Peoria, IL Weather & Growing Conditions
Tonight
55°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 55. South wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Showers And Thunderstorms | 14 to 17 mph S | 95% |
| Wednesday | 58°F | Slight Chance Light Rain then Mostly Cloudy | 15 mph SW | 21% |
| Wednesday Night | 48°F | Mostly Cloudy | 13 mph SW | 6% |
| Thursday | 57°F | Partly Sunny | 8 to 13 mph WSW | 13% |
| Thursday Night | 45°F | Chance Light Rain | 5 to 8 mph NW | 31% |
| Friday | 53°F | Slight Chance Light Rain | 10 mph N | 18% |
| Friday Night | 38°F | Partly Cloudy | 1 to 7 mph NNW | 3% |
| Saturday | 52°F | Mostly Sunny | 1 to 5 mph WNW | 2% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 3 mph WSW | 3% |
| Sunday | 58°F | Sunny | 3 to 8 mph WNW | 13% |
| Sunday Night | 38°F | Mostly Clear | 2 to 6 mph W | 4% |
| Monday | 62°F | Sunny | 3 to 10 mph SW | 2% |
| Monday Night | 42°F | Mostly Clear | 3 to 7 mph WSW | 1% |
| Tuesday | 64°F | Sunny | 6 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Peoria, IL
Last spring frost
Apr 16
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
6a
Explore more for Peoria, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Peoria Gtr Peoria Ap, Il (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.