Peru, IN Weather Forecast

Local 7-day forecast

42°
F

Clear then Patchy Fog

Track current conditions, temperature changes, wind, and the full daily outlook for Peru, IN in one place.

Tuesday, October 20, 2026
Wind: 0 to 5 mph E
Tonight

Patchy fog after 4am. Clear, with a low around 42. East wind 0 to 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Peru, IN 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: Oct 20, 2026 11:06 PM EDT.

The active forecast window currently covers Oct 20 to Oct 27, 2026 for Peru, IN.

Page Snapshot

Page focus
city weather
Forecast window
Oct 20 to Oct 27, 2026
Latest sync
Oct 20, 2026 11:06 PM EDT
Forecast office
IWX
Source
NOAA / NWS
Next High
70°F
Wednesday
Next Low
42°F
Tonight
Rain Outlook
0
Periods mentioning precipitation
Windiest
0 to 5 mph
Tonight

Daily Outlook

Today
Oct 20
Clear then Patchy Fog
42 °F
/ 42°F
Wind 0 to 5 mph
Wed
Oct 21
Patchy Fog then Sunny
70 °F
/ 44°F
Wind 0 mph
Thu
Oct 22
Sunny
71 °F
/ 44°F
Wind 0 to 5 mph
Fri
Oct 23
Sunny
69 °F
/ 42°F
Wind 0 to 5 mph
Sat
Oct 24
Sunny
70 °F
/ 46°F
Wind 5 mph
Sun
Oct 25
Mostly Sunny
74 °F
/ 49°F
Wind 5 mph
Mon
Oct 26
Partly Sunny
70 °F
/ 46°F
Wind 0 to 5 mph

This Week in Peru

Sunday looks like the warmest upcoming period in Peru at 74 degrees F.

Tonight is the coolest period ahead with temperatures near 42 degrees F.

The strongest winds are forecast for Tonight at about 0 to 5 mph E.

The forecast from Oct 20 through Oct 27 stays mostly dry.

Forecast Details

Last updated
Oct 20, 2026 11:06 PM EDT
Coverage
7 days
Time zone
America/Indiana/Indianapolis
Forecast office
IWX
Radar station
KIWX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday
Oct 21
70°F
Patchy Fog then Sunny
0 mph

Patchy fog before 10am. Sunny, with a high near 70. North wind around 0 mph.

Wednesday Night
Oct 21
44°F
Mostly Clear
0 mph

Mostly clear, with a low around 44. North wind around 0 mph.

Thursday
Oct 22
71°F
Sunny
0 to 5 mph N

Sunny, with a high near 71. North wind 0 to 5 mph.

Thursday Night
Oct 22
44°F
Clear
0 to 5 mph NE

Clear, with a low around 44. Northeast wind 0 to 5 mph.

Friday
Oct 23
69°F
Sunny
0 to 5 mph E

Sunny, with a high near 69.

Friday Night
Oct 23
42°F
Mostly Clear
5 mph E

Mostly clear, with a low around 42.

Saturday
Oct 24
70°F
Sunny
5 mph SE

Sunny, with a high near 70.

Saturday Night
Oct 24
46°F
Partly Cloudy
5 mph S

Partly cloudy, with a low around 46.

Sunday
Oct 25
74°F
Mostly Sunny
5 mph S

Mostly sunny, with a high near 74.

Sunday Night
Oct 25
49°F
Mostly Cloudy
0 to 5 mph SW

Mostly cloudy, with a low around 49.

Monday
Oct 26
70°F
Partly Sunny
0 to 5 mph SW

Partly sunny, with a high near 70.

Monday Night
Oct 26
46°F
Mostly Cloudy
5 mph NW

Mostly cloudy, with a low around 46.

Tuesday
Oct 27
62°F
Partly Sunny
5 mph N

Partly sunny, with a high near 62.

Detailed Forecast

Period Conditions Temp Wind
Tonight
Oct 20
Clear then Patchy Fog
42°F
0 to 5 mph
E
Wednesday
Oct 21
Patchy Fog then Sunny
70°F
0 mph
Wednesday Night
Oct 21
Mostly Clear
44°F
0 mph
Thursday
Oct 22
Sunny
71°F
0 to 5 mph
N
Thursday Night
Oct 22
Clear
44°F
0 to 5 mph
NE
Friday
Oct 23
Sunny
69°F
0 to 5 mph
E
Friday Night
Oct 23
Mostly Clear
42°F
5 mph
E
Saturday
Oct 24
Sunny
70°F
5 mph
SE
Saturday Night
Oct 24
Partly Cloudy
46°F
5 mph
S
Sunday
Oct 25
Mostly Sunny
74°F
5 mph
S
Sunday Night
Oct 25
Mostly Cloudy
49°F
0 to 5 mph
SW
Monday
Oct 26
Partly Sunny
70°F
0 to 5 mph
SW
Monday Night
Oct 26
Mostly Cloudy
46°F
5 mph
NW
Tuesday
Oct 27
Partly Sunny
62°F
5 mph
N
Peru-indiana-downtown
Peru-indiana-downtown image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.