German Valley, IL Weather & Growing Conditions
This Afternoon
70°F
Chance Rain Showers
A chance of rain showers. Mostly sunny, with a high near 70. East southeast wind around 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Chance Rain Showers | 15 mph ESE | 39% |
| Tonight | 61°F | Chance Showers And Thunderstorms | 10 to 15 mph ESE | 69% |
| Saturday | 78°F | Showers And Thunderstorms | 5 to 10 mph SSE | 90% |
| Saturday Night | 61°F | Showers And Thunderstorms | 5 to 10 mph N | 75% |
| Sunday | 68°F | Rain Showers Likely | 10 to 15 mph NE | 72% |
| Sunday Night | 53°F | Chance Rain Showers | 15 mph NE | 50% |
| Monday | 64°F | Chance Rain Showers | 15 mph ENE | 43% |
| Monday Night | 48°F | Chance Rain Showers | 10 to 15 mph NE | 43% |
| Tuesday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 28% |
| Tuesday Night | 46°F | Mostly Cloudy | 5 to 15 mph NE | 8% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Wednesday Night | 48°F | Partly Cloudy | 5 to 10 mph NE | 2% |
| Thursday | 67°F | Mostly Sunny | 5 mph NNE | 5% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for German Valley, IL
Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
169 days
Hardiness zone
5b
Explore more for German Valley, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Freeport Waste Wtp, Il (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.