Spring Bay, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spring Bay, a village in Peoria County, Illinois.
This Afternoon
68°F
Light Rain
Rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 68. South wind around 17 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Spring Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Light Rain | 17 mph S | 86% |
| Tonight | 55°F | Light Rain | 14 to 18 mph S | 86% |
| Wednesday | 58°F | Slight Chance Light Rain then Mostly Cloudy | 15 mph SW | 24% |
| Wednesday Night | 49°F | Mostly Cloudy | 14 mph SW | 7% |
| Thursday | 57°F | Mostly Cloudy | 8 to 13 mph WSW | 13% |
| Thursday Night | 46°F | Chance Light Rain | 7 mph NW | 32% |
| Friday | 52°F | Slight Chance Light Rain | 9 mph N | 18% |
| Friday Night | 39°F | Partly Cloudy | 0 to 7 mph NNW | 3% |
| Saturday | 51°F | Mostly Sunny | 0 to 3 mph WNW | 2% |
| Saturday Night | 38°F | Partly Cloudy | 2 mph WNW | 3% |
| Sunday | 57°F | Sunny | 2 to 7 mph W | 14% |
| Sunday Night | 39°F | Mostly Clear | 5 mph W | 4% |
| Monday | 62°F | Sunny | 2 to 9 mph SW | 2% |
| Monday Night | 43°F | Mostly Clear | 3 to 7 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Spring Bay (40.821, -89.531). Updated through the day.
Growing snapshot for Spring Bay
Last spring frost
Apr 16
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
6a
More local growing data for Spring Bay: nearby ZIP 61552 weather · frost dates · planting calendar · Illinois frost dates
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West Peoria
Climate data from the nearest NOAA station, Peoria Gtr Peoria Ap, Il (12.3 mi from Spring Bay). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.