Westchester, IN Weather Forecast

Local 7-day forecast

86°
F

Partly Sunny then Chance Showers And Thunderstorms

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

Friday, July 10, 2026
Wind: 0 to 5 mph W
Today

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. West wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Westchester, 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: Jul 10, 2026 9:18 AM EDT.

The active forecast window currently covers Jul 10 to Jul 16, 2026 for Westchester, IN.

Page Snapshot

Page focus
city weather
Forecast window
Jul 10 to Jul 16, 2026
Latest sync
Jul 10, 2026 9:18 AM EDT
Forecast office
IWX
Source
NOAA / NWS
Next High
86°F
Today
Next Low
66°F
Tonight
Rain Outlook
2
Periods mentioning precipitation
Windiest
5 to 10 mph
Wednesday

Daily Outlook

Today
Jul 10
Partly Sunny then Chance Showers And Thunderstorms
86 °F
/ 66°F
Wind 0 to 5 mph
Sat
Jul 11
Partly Sunny
85 °F
/ 63°F
Wind 5 mph
Sun
Jul 12
Sunny
86 °F
/ 63°F
Wind 5 mph
Mon
Jul 13
Sunny
90 °F
/ 67°F
Wind 0 to 5 mph
Tue
Jul 14
Sunny
93 °F
/ 71°F
Wind 0 to 5 mph
Wed
Jul 15
Sunny
93 °F
/ 70°F
Wind 5 to 10 mph
Thu
Jul 16
Sunny
90 °F
/ 69°F
Wind 5 to 10 mph

This Week in Westchester

Tuesday looks like the warmest upcoming period in Westchester at 93 degrees F.

Saturday Night is the coolest period ahead with temperatures near 63 degrees F.

The strongest winds are forecast for Wednesday at about 5 to 10 mph W.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Jul 10, 2026 9:18 AM 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

Tonight
Jul 10
66°F
Chance Showers And Thunderstorms then Mostly Cloudy
0 to 5 mph N

A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 9pm, then a slight chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 66. North wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Saturday
Jul 11
85°F
Partly Sunny
5 mph NE

Partly sunny, with a high near 85. Northeast wind around 5 mph.

Saturday Night
Jul 11
63°F
Partly Cloudy
5 mph E

Partly cloudy, with a low around 63. East wind around 5 mph.

Sunday
Jul 12
86°F
Sunny
5 mph NE

Sunny, with a high near 86. Northeast wind around 5 mph.

Sunday Night
Jul 12
63°F
Mostly Clear
0 to 5 mph NE

Mostly clear, with a low around 63.

Monday
Jul 13
90°F
Sunny
0 to 5 mph NE

Sunny, with a high near 90.

Monday Night
Jul 13
67°F
Clear
0 to 5 mph SE

Clear, with a low around 67.

Tuesday
Jul 14
93°F
Sunny
0 to 5 mph SW

Sunny, with a high near 93.

Tuesday Night
Jul 14
71°F
Mostly Clear
5 mph W

Mostly clear, with a low around 71.

Wednesday
Jul 15
93°F
Sunny
5 to 10 mph W

Sunny, with a high near 93.

Wednesday Night
Jul 15
70°F
Mostly Clear
5 to 10 mph W

Mostly clear, with a low around 70.

Thursday
Jul 16
90°F
Sunny
5 to 10 mph W

Sunny, with a high near 90.

Thursday Night
Jul 16
69°F
Mostly Clear
5 to 10 mph W

Mostly clear, with a low around 69.

Detailed Forecast

Period Conditions Temp Wind
Today
Jul 10
Partly Sunny then Chance Showers And Thunderstorms
86°F
0 to 5 mph
W
Tonight
Jul 10
Chance Showers And Thunderstorms then Mostly Cloudy
66°F
0 to 5 mph
N
Saturday
Jul 11
Partly Sunny
85°F
5 mph
NE
Saturday Night
Jul 11
Partly Cloudy
63°F
5 mph
E
Sunday
Jul 12
Sunny
86°F
5 mph
NE
Sunday Night
Jul 12
Mostly Clear
63°F
0 to 5 mph
NE
Monday
Jul 13
Sunny
90°F
0 to 5 mph
NE
Monday Night
Jul 13
Clear
67°F
0 to 5 mph
SE
Tuesday
Jul 14
Sunny
93°F
0 to 5 mph
SW
Tuesday Night
Jul 14
Mostly Clear
71°F
5 mph
W
Wednesday
Jul 15
Sunny
93°F
5 to 10 mph
W
Wednesday Night
Jul 15
Mostly Clear
70°F
5 to 10 mph
W
Thursday
Jul 16
Sunny
90°F
5 to 10 mph
W
Thursday Night
Jul 16
Mostly Clear
69°F
5 to 10 mph
W
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.