Westchester, IN Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Westchester, IN in one place.
Sunny, with a high near 77. West wind 0 to 10 mph.
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: Aug 24, 2026 1:53 AM EDT.
The active forecast window currently covers Aug 24 to Aug 30, 2026 for Westchester, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 30, 2026
- Latest sync
- Aug 24, 2026 1:53 AM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Westchester
Sunday looks like the warmest upcoming period in Westchester at 83 degrees F.
Monday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Monday at about 0 to 10 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 24, 2026 1:53 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 sourceExtended Forecast
Mostly clear, with a low around 51. West wind 0 to 10 mph.
Sunny, with a high near 80. Northwest wind around 0 mph.
Partly cloudy, with a low around 58. West wind around 0 mph.
Mostly sunny, with a high near 82.
A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 50%.
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 61. Chance of precipitation is 20%.
Sunny, with a high near 81.
Partly cloudy, with a low around 60.
Mostly sunny, with a high near 81.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 63.
A slight chance of rain showers before 2pm. Partly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Sunny
|
77°F |
0 to 10 mph
W
|
|
Monday Night
Aug 24
|
Mostly Clear
|
51°F |
0 to 10 mph
W
|
|
Tuesday
Aug 25
|
Sunny
|
80°F |
0 mph
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
58°F |
0 mph
|
|
Wednesday
Aug 26
|
Mostly Sunny
|
82°F |
0 to 10 mph
S
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms
|
64°F |
5 to 10 mph
SW
|
|
Thursday
Aug 27
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
82°F |
5 to 10 mph
W
|
|
Thursday Night
Aug 27
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
61°F |
0 to 10 mph
NW
|
|
Friday
Aug 28
|
Sunny
|
81°F |
0 to 5 mph
NW
|
|
Friday Night
Aug 28
|
Partly Cloudy
|
60°F |
0 to 5 mph
N
|
|
Saturday
Aug 29
|
Mostly Sunny
|
81°F |
0 to 5 mph
SE
|
|
Saturday Night
Aug 29
|
Partly Cloudy then Slight Chance Rain Showers
|
63°F |
0 to 5 mph
S
|
|
Sunday
Aug 30
|
Slight Chance Rain Showers
|
83°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Westchester.