Berlin, WI Weather & Growing Conditions
Today
83°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers and thunderstorms. Partly sunny. High near 83, with temperatures falling to around 80 in the afternoon. Heat index values as high as 86. Southwest wind 9 to 13 mph, with gusts as high as 22 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 |
|---|---|---|---|---|
| Today | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 9 to 13 mph SW | 38% |
| Tonight | 60°F | Chance Showers And Thunderstorms | 2 to 8 mph W | 53% |
| Wednesday | 79°F | Chance Showers And Thunderstorms then Mostly Cloudy | 1 to 5 mph W | 40% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 3 mph WNW | 1% |
| Thursday | 82°F | Mostly Sunny | 0 to 5 mph SSE | 0% |
| Thursday Night | 57°F | Mostly Clear | 3 mph S | 0% |
| Friday | 83°F | Sunny | 3 to 12 mph SSW | 3% |
| Friday Night | 62°F | Mostly Clear | 5 to 10 mph SSW | 14% |
| Saturday | 85°F | Mostly Sunny | 5 to 10 mph SW | 14% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 3 to 9 mph SSW | 37% |
| Sunday | 85°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph WSW | 37% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 3 to 8 mph WSW | 49% |
| Monday | 81°F | Chance Rain Showers | 2 to 7 mph SSW | 38% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 6 mph N | 41% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Berlin, WI
Last spring frost
May 1
First fall frost
Oct 8
Growing season
158 days
Hardiness zone
5a
Explore more for Berlin, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Berlin Wwtp, Wi (1.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.