Union County, IN Weather Forecast
County weather hub
Sunny
Compare major city weather across Union County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 83. Southeast wind around 2 mph.
County Weather Overview
This county weather page brings together forecast coverage for Union County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 0 of 0 mapped cities in Union County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 27, 2026 10:32 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Union County
Tuesday looks like the warmest upcoming period in Union County at 90 degrees F.
Saturday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Monday at about 3 to 8 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 10:32 PM EDT
- Coverage
- 6 days
- Time zone
- America/Indiana/Indianapolis
- Forecast office
- ILN
- Radar station
- KILN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 63. Southeast wind around 1 mph.
Sunny, with a high near 87.
Mostly clear, with a low around 67.
Mostly sunny, with a high near 89.
Partly cloudy, with a low around 70.
Mostly sunny, with a high near 90.
Partly cloudy, with a low around 71.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70.
A slight chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 88.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Sunny
|
83°F |
2 mph
SE
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
63°F |
1 mph
SE
|
|
Sunday
Aug 30
|
Sunny
|
87°F |
1 to 6 mph
S
|
|
Sunday Night
Aug 30
|
Mostly Clear
|
67°F |
3 mph
S
|
|
Monday
Aug 31
|
Mostly Sunny
|
89°F |
3 to 8 mph
SW
|
|
Monday Night
Aug 31
|
Partly Cloudy
|
70°F |
3 mph
SW
|
|
Tuesday
Sep 1
|
Mostly Sunny
|
90°F |
2 to 7 mph
SW
|
|
Tuesday Night
Sep 1
|
Partly Cloudy
|
71°F |
1 to 5 mph
SW
|
|
Wednesday
Sep 2
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
1 to 7 mph
SW
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms
|
70°F |
3 mph
SW
|
|
Thursday
Sep 3
|
Slight Chance Showers And Thunderstorms
|
88°F |
1 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Union County.
