Spring Grove, IL Weather & Growing Conditions
Overnight
47°F
Areas Of Drizzle
Areas of drizzle. Cloudy. Low around 47, with temperatures rising to around 49 overnight. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Areas Of Drizzle | 10 to 15 mph SW | 33% |
| Thursday | 51°F | Rain Showers Likely | 10 mph WNW | 68% |
| Thursday Night | 36°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph N | 32% |
| Friday | 48°F | Partly Sunny | 10 to 15 mph NNW | 1% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph NNW | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 32°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 58°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 61°F | Sunny | 0 to 10 mph WSW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph WSW | 0% |
| Tuesday | 60°F | Sunny | 0 to 5 mph WNW | 1% |
| Tuesday Night | 37°F | Partly Cloudy | 0 mph | 1% |
| Veterans Day | 59°F | Mostly Sunny | 0 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Spring Grove, IL
Last spring frost
Apr 23
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
5b
Explore more for Spring Grove, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Antioch, Il (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.