Berlin, IL Weather & Growing Conditions
Overnight
63°F
Clear
Clear, with a low around 63. South southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Clear | 5 mph SSE | 0% |
| Tuesday | 88°F | Sunny | 7 mph S | 0% |
| Tuesday Night | 68°F | Mostly Clear | 6 mph SSE | 1% |
| Wednesday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 8 mph S | 22% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 6 mph SSE | 79% |
| Thursday | 83°F | Showers And Thunderstorms | 6 mph SSW | 79% |
| Thursday Night | 66°F | Slight Chance Showers And Thunderstorms | 3 mph SSE | 17% |
| Friday | 85°F | Partly Sunny | 3 mph SW | 8% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 2 mph SSW | 25% |
| Saturday | 87°F | Chance Showers And Thunderstorms then Mostly Sunny | 6 mph SSW | 25% |
| Saturday Night | 71°F | Mostly Clear | 3 to 8 mph S | 9% |
| Sunday | 90°F | Sunny | 8 to 12 mph SSW | 4% |
| Sunday Night | 72°F | Mostly Clear | 10 mph S | 10% |
| Monday | 90°F | Mostly Sunny | 10 mph SSW | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Berlin, IL
Last spring frost
Apr 15
First fall frost
Oct 22
Growing season
188 days
Hardiness zone
6a
Explore more for Berlin, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Springfield #2, Il (12.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.