Peru, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Peru, WI in one place.
Sunny, with a high near 92. Heat index values as high as 96. North northwest wind around 5 mph.
Local Weather Overview
This forecast page for Peru, WI 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: Jul 14, 2026 2:31 AM CDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Peru, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 2:31 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Peru
Wednesday looks like the warmest upcoming period in Peru at 92 degrees F.
Sunday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Friday at about 3 to 9 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 2:31 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KGRB
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 67. North wind around 3 mph.
Sunny, with a high near 90.
Mostly clear, with a low around 68.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Sunny, with a high near 81. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly clear, with a low around 60. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
5 mph
NNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
67°F |
3 mph
N
|
|
Thursday
Jul 16
|
Sunny
|
90°F |
1 to 5 mph
NNE
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
68°F |
5 mph
E
|
|
Friday
Jul 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
89°F |
3 to 9 mph
S
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
67°F |
8 mph
WSW
|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms
|
85°F |
9 mph
N
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms
|
62°F |
5 to 8 mph
NE
|
|
Sunday
Jul 19
|
Slight Chance Showers And Thunderstorms
|
81°F |
6 mph
E
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
60°F |
5 mph
SSW
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms
|
80°F |
5 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Peru.