Miami County, IN Weather Forecast

County weather hub

89°
F

Sunny then Chance Showers And Thunderstorms

Compare major city weather across Miami County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Saturday, July 18, 2026
Wind: 5 to 10 mph W
Saturday

A chance of showers and thunderstorms between 2pm and 5pm, then showers and thunderstorms. Sunny, with a high near 89. Heat index values as high as 101. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Miami County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 3 of 3 mapped cities in Miami County.

Page Snapshot

Page focus
county weather
Forecast window
Jul 18 to Jul 23, 2026
Latest sync
Jul 17, 2026 3:34 PM EDT
Forecast office
IWX
Source
NOAA / NWS
Next High
89°F
Saturday
Next Low
63°F
Saturday Night
Rain Outlook
5
Periods mentioning precipitation
Windiest
10 to 15 mph
Tuesday

Daily Outlook

Today
Jul 18
Sunny then Chance Showers And Thunderstorms
89 °F
/ 63°F
Wind 5 to 10 mph
Sun
Jul 19
Sunny
81 °F
/ 62°F
Wind 5 mph
Mon
Jul 20
Mostly Sunny
85 °F
/ 70°F
Wind 0 to 5 mph
Tue
Jul 21
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
87 °F
/ 62°F
Wind 10 to 15 mph
Wed
Jul 22
Sunny
77 °F
/ 56°F
Wind 5 to 15 mph
Thu
Jul 23
Sunny
78 °F
/ 58°F
Wind 0 to 5 mph

This Week in Miami County

Saturday looks like the warmest upcoming period in Miami County at 89 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 56 degrees F.

The strongest winds are forecast for Tuesday at about 10 to 15 mph W.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
Jul 17, 2026 3:34 PM EDT
Coverage
6 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

Saturday Night
Jul 18
63°F
Showers And Thunderstorms then Partly Cloudy
5 to 10 mph NW

Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 11pm. Partly cloudy, with a low around 63. Northwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday
Jul 19
81°F
Sunny
5 mph NE

Sunny, with a high near 81. Northeast wind around 5 mph.

Sunday Night
Jul 19
62°F
Mostly Clear
0 to 5 mph NE

Mostly clear, with a low around 62.

Monday
Jul 20
85°F
Mostly Sunny
0 to 5 mph S

Mostly sunny, with a high near 85.

Monday Night
Jul 20
70°F
Chance Showers And Thunderstorms
5 to 10 mph SW

A chance of showers and thunderstorms between 8pm and 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

Tuesday
Jul 21
87°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
10 to 15 mph W

Showers and thunderstorms likely before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 70%.

Tuesday Night
Jul 21
62°F
Chance Showers And Thunderstorms
5 to 15 mph NW

A chance of showers and thunderstorms before 2am. Mostly clear, with a low around 62. Chance of precipitation is 50%.

Wednesday
Jul 22
77°F
Sunny
5 to 15 mph NW

Sunny, with a high near 77.

Wednesday Night
Jul 22
56°F
Mostly Clear
0 to 10 mph NW

Mostly clear, with a low around 56.

Thursday
Jul 23
78°F
Sunny
0 to 5 mph NW

Sunny, with a high near 78.

Thursday Night
Jul 23
58°F
Mostly Clear
0 to 5 mph W

Mostly clear, with a low around 58.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Jul 18
Sunny then Chance Showers And Thunderstorms
89°F
5 to 10 mph
W
Saturday Night
Jul 18
Showers And Thunderstorms then Partly Cloudy
63°F
5 to 10 mph
NW
Sunday
Jul 19
Sunny
81°F
5 mph
NE
Sunday Night
Jul 19
Mostly Clear
62°F
0 to 5 mph
NE
Monday
Jul 20
Mostly Sunny
85°F
0 to 5 mph
S
Monday Night
Jul 20
Chance Showers And Thunderstorms
70°F
5 to 10 mph
SW
Tuesday
Jul 21
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
87°F
10 to 15 mph
W
Tuesday Night
Jul 21
Chance Showers And Thunderstorms
62°F
5 to 15 mph
NW
Wednesday
Jul 22
Sunny
77°F
5 to 15 mph
NW
Wednesday Night
Jul 22
Mostly Clear
56°F
0 to 10 mph
NW
Thursday
Jul 23
Sunny
78°F
0 to 5 mph
NW
Thursday Night
Jul 23
Mostly Clear
58°F
0 to 5 mph
W

Coverage

Tracked cities
3
Coverage
100%

Forecast coverage currently spans 3 of 3 mapped cities in Miami County.

Largest mapped city population in this region: 10,937.

Peru-indiana-courthouse
Peru-indiana-courthouse 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.