Peru, WI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Peru, WI in one place.
Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. East wind 8 to 13 mph, with gusts as high as 20 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: May 30, 2026 12:43 AM CDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Peru, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 12:43 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Peru
Thursday looks like the warmest upcoming period in Peru at 85 degrees F.
Saturday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Saturday at about 8 to 13 mph E.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 12:43 AM CDT
- Coverage
- 7 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
Partly cloudy, with a low around 47. East wind 2 to 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 78. Heat index values as high as 78. Southeast wind around 5 mph.
Partly cloudy, with a low around 52. Southwest wind around 3 mph.
Mostly sunny, with a high near 83.
Mostly clear, with a low around 52.
Sunny, with a high near 82.
Mostly clear, with a low around 55.
Mostly sunny, with a high near 84.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
74°F |
8 to 13 mph
E
|
|
Saturday Night
May 30
|
Partly Cloudy
|
47°F |
2 to 10 mph
E
|
|
Sunday
May 31
|
Sunny
|
78°F |
5 mph
SE
|
|
Sunday Night
May 31
|
Partly Cloudy
|
52°F |
3 mph
SW
|
|
Monday
Jun 1
|
Mostly Sunny
|
83°F |
1 to 5 mph
NE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
52°F |
6 mph
E
|
|
Tuesday
Jun 2
|
Sunny
|
82°F |
5 mph
ESE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
55°F |
3 mph
S
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
84°F |
2 to 7 mph
SSW
|
|
Wednesday Night
Jun 3
|
Partly Cloudy then Slight Chance Rain Showers
|
62°F |
6 mph
SSW
|
|
Thursday
Jun 4
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
85°F |
5 to 10 mph
SW
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
63°F |
5 to 9 mph
SSW
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
83°F |
6 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Peru.