Union, IN Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Union, IN in one place.
Sunny, with a high near 90. Southwest wind 7 to 12 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: Oct 12, 2026 2:31 AM EDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Union, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 2:31 AM EDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Union
Tuesday looks like the warmest upcoming period in Union at 90 degrees F.
Saturday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday at about 12 to 21 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 2:31 AM EDT
- Coverage
- 6 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 rain showers between 2am and 5am, then a slight chance of showers and thunderstorms. Mostly clear, with a low around 69. South southwest wind 5 to 10 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 85. West southwest wind 3 to 7 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. North northwest wind around 5 mph.
Showers and thunderstorms likely. Mostly cloudy, with a high near 78. East wind 5 to 9 mph.
Showers and thunderstorms likely. Mostly cloudy, with a low around 59. South southwest wind 7 to 10 mph.
A chance of showers and thunderstorms before 8am. Partly sunny, with a high near 67. Northwest wind 12 to 21 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 41. North northwest wind 10 to 21 mph, with gusts as high as 26 mph.
Sunny, with a high near 58. North wind around 12 mph.
Clear, with a low around 36. Northeast wind 2 to 9 mph.
Sunny, with a high near 64. Southeast wind 2 to 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
90°F |
7 to 12 mph
SW
|
|
Tuesday Night
Oct 13
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
69°F |
5 to 10 mph
SSW
|
|
Wednesday
Oct 14
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
85°F |
3 to 7 mph
WSW
|
|
Wednesday Night
Oct 14
|
Showers And Thunderstorms Likely
|
66°F |
5 mph
NNW
|
|
Thursday
Oct 15
|
Showers And Thunderstorms Likely
|
78°F |
5 to 9 mph
E
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms Likely
|
59°F |
7 to 10 mph
SSW
|
|
Friday
Oct 16
|
Chance Showers And Thunderstorms then Partly Sunny
|
67°F |
12 to 21 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
41°F |
10 to 21 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
58°F |
12 mph
N
|
|
Saturday Night
Oct 17
|
Clear
|
36°F |
2 to 9 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
64°F |
2 to 6 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union.
