Union, IN Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Union, IN in one place.
Partly cloudy. Low around 68, with temperatures rising to around 70 overnight. South southwest wind around 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Union, 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: Apr 15, 2026 7:31 AM EDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Union, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 7:31 AM EDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Union
Wednesday looks like the warmest upcoming period in Union at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 18 mph SSW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 7:31 AM EDT
- Coverage
- 7 days
- Time zone
- America/Indiana/Petersburg
- Forecast office
- PAH
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms between 10am and noon, then a chance of showers and thunderstorms between noon and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. South southwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy. Low around 65, with temperatures rising to around 70 overnight. South southwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
A chance of showers and thunderstorms before 2am. Mostly clear, with a low around 60. Southwest wind 3 to 12 mph. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. South wind 3 to 9 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 7 to 12 mph, with gusts as high as 20 mph.
Showers and thunderstorms likely. Mostly cloudy, with a high near 75. Southwest wind 12 to 16 mph, with gusts as high as 25 mph.
Showers and thunderstorms likely. Mostly cloudy, with a low around 41. West northwest wind 9 to 14 mph, with gusts as high as 21 mph.
A slight chance of rain showers before 8am. Sunny, with a high near 60. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.
Clear, with a low around 39. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunny, with a high near 66. West southwest wind around 7 mph.
Mostly clear, with a low around 47. South wind around 7 mph.
Sunny, with a high near 74. South southwest wind 7 to 12 mph, with gusts as high as 18 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 15
|
Partly Cloudy
|
68°F |
10 mph
SSW
|
|
Wednesday
Apr 15
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
84°F |
10 to 18 mph
SSW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
65°F |
10 to 16 mph
SSW
|
|
Thursday
Apr 16
|
Showers And Thunderstorms
|
79°F |
10 to 14 mph
SW
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms
|
60°F |
3 to 12 mph
SW
|
|
Friday
Apr 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
84°F |
3 to 9 mph
S
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms
|
65°F |
7 to 12 mph
S
|
|
Saturday
Apr 18
|
Showers And Thunderstorms Likely
|
75°F |
12 to 16 mph
SW
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms Likely
|
41°F |
9 to 14 mph
WNW
|
|
Sunday
Apr 19
|
Slight Chance Rain Showers then Sunny
|
60°F |
9 to 13 mph
WNW
|
|
Sunday Night
Apr 19
|
Clear
|
39°F |
6 to 10 mph
NW
|
|
Monday
Apr 20
|
Sunny
|
66°F |
7 mph
WSW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
47°F |
7 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
74°F |
7 to 12 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union.
