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 87. Southwest wind 6 to 10 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
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 4:16 AM 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 87 degrees F.
Saturday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Friday at about 12 to 18 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 4:16 AM 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
Mostly clear, with a low around 66. Southwest wind 3 to 9 mph.
Showers and thunderstorms after 8am. Mostly cloudy, with a high near 80. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms. Cloudy, with a low around 62. Chance of precipitation is 90%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Showers and thunderstorms likely before 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 36.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 54.
Partly cloudy, with a low around 31.
Sunny, with a high near 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
87°F |
6 to 10 mph
SW
|
|
Tuesday Night
Oct 13
|
Mostly Clear
|
66°F |
3 to 9 mph
SW
|
|
Wednesday
Oct 14
|
Showers And Thunderstorms
|
80°F |
6 mph
SW
|
|
Wednesday Night
Oct 14
|
Showers And Thunderstorms
|
62°F |
5 mph
N
|
|
Thursday
Oct 15
|
Showers And Thunderstorms Likely
|
73°F |
7 mph
E
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms Likely
|
54°F |
6 to 10 mph
S
|
|
Friday
Oct 16
|
Showers And Thunderstorms Likely
|
65°F |
12 to 18 mph
W
|
|
Friday Night
Oct 16
|
Mostly Cloudy then Slight Chance Rain Showers
|
36°F |
10 to 18 mph
NW
|
|
Saturday
Oct 17
|
Slight Chance Rain Showers then Mostly Sunny
|
54°F |
12 mph
NW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
31°F |
1 to 8 mph
N
|
|
Sunday
Oct 18
|
Sunny
|
60°F |
1 to 6 mph
S
|
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.