Peru, WI Weather Forecast
Local 7-day forecast
Chance Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Peru, WI in one place.
A chance of rain before 4pm, then a chance of rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 63. East wind 3 to 7 mph. Chance of precipitation is 40%.
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: Apr 13, 2026 11:38 PM CDT.
The active forecast window currently covers Apr 15 to Apr 20, 2026 for Peru, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 20, 2026
- Latest sync
- Apr 13, 2026 11:38 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Peru
Friday looks like the warmest upcoming period in Peru at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Saturday at about 13 to 17 mph W.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 13, 2026 11:38 PM 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
Rain likely and a slight chance of thunderstorms. Mostly cloudy, with a low around 49. East wind around 7 mph. Chance of precipitation is 70%.
Rain likely. Partly sunny, with a high near 67. Chance of precipitation is 60%.
A chance of rain before 7pm. Partly cloudy, with a low around 47. Chance of precipitation is 40%.
A chance of rain after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.
A chance of rain before 7pm, then rain and a chance of thunderstorms. Mostly cloudy, with a low around 47. Chance of precipitation is 90%.
Rain likely and a slight chance of thunderstorms before 4pm, then a slight chance of thunderstorms and a chance of rain and snow. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
A slight chance of thunderstorms and a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
A slight chance of snow before 7am. Mostly sunny, with a high near 48. Chance of precipitation is 20%.
Mostly clear, with a low around 30.
Mostly sunny, with a high near 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Chance Light Rain
|
63°F |
3 to 7 mph
E
|
|
Wednesday Night
Apr 15
|
Light Rain Likely
|
49°F |
7 mph
E
|
|
Thursday
Apr 16
|
Light Rain Likely
|
67°F |
8 mph
NNW
|
|
Thursday Night
Apr 16
|
Chance Light Rain then Partly Cloudy
|
47°F |
6 mph
ENE
|
|
Friday
Apr 17
|
Partly Sunny then Chance Light Rain
|
75°F |
6 to 14 mph
SE
|
|
Friday Night
Apr 17
|
Light Rain
|
47°F |
14 mph
SSW
|
|
Saturday
Apr 18
|
Light Rain Likely then Slight Chance T-storms
|
55°F |
13 to 17 mph
W
|
|
Saturday Night
Apr 18
|
Slight Chance T-storms
|
29°F |
16 mph
W
|
|
Sunday
Apr 19
|
Slight Chance Light Snow then Mostly Sunny
|
48°F |
14 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
30°F |
6 to 10 mph
W
|
|
Monday
Apr 20
|
Mostly Sunny
|
57°F |
7 to 12 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Peru.