Peru, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Peru, IL in one place.
Sunny, with a high near 91.
Local Weather Overview
This forecast page for Peru, 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: Jul 12, 2026 1:44 AM CDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Peru, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 1:44 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Peru
Wednesday looks like the warmest upcoming period in Peru at 92 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 1:44 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 71.
Sunny, with a high near 92.
Mostly clear, with a low around 71.
Sunny, with a high near 90.
Mostly clear, with a low around 72.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
91°F |
0 mph
|
|
Tuesday Night
Jul 14
|
Clear
|
71°F |
0 mph
|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
0 to 5 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
71°F |
0 to 5 mph
SW
|
|
Thursday
Jul 16
|
Sunny
|
90°F |
0 to 5 mph
SW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
72°F |
5 mph
SW
|
|
Friday
Jul 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
5 to 10 mph
WSW
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
72°F |
5 to 10 mph
SSW
|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms
|
89°F |
5 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Peru.
