New Berlin, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for New Berlin, IL in one place.
Mostly sunny, with a high near 81.
Local Weather Overview
This forecast page for New Berlin, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 19, 2026 11:09 PM CDT.
The active forecast window currently covers Apr 23 to Apr 26, 2026 for New Berlin, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 26, 2026
- Latest sync
- Apr 19, 2026 11:09 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in New Berlin
Thursday looks like the warmest upcoming period in New Berlin at 81 degrees F.
Saturday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Thursday at about 13 to 24 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 19, 2026 11:09 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a high near 74.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
A chance of rain showers. Mostly sunny, with a high near 68.
A chance of rain showers. Partly cloudy, with a low around 46.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Mostly Sunny
|
81°F |
13 to 24 mph
S
|
|
Thursday Night
Apr 23
|
Chance Showers And Thunderstorms
|
59°F |
16 to 22 mph
SSW
|
|
Friday
Apr 24
|
Showers And Thunderstorms
|
74°F |
16 mph
W
|
|
Friday Night
Apr 24
|
Chance Showers And Thunderstorms
|
48°F |
13 mph
NNW
|
|
Saturday
Apr 25
|
Chance Rain Showers
|
68°F |
12 mph
NNE
|
|
Saturday Night
Apr 25
|
Chance Rain Showers
|
46°F |
10 mph
NNE
|
|
Sunday
Apr 26
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
68°F |
12 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Berlin.