Union, IN Weather Forecast

Local 7-day forecast

82°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Union, IN in one place.

Saturday, May 30, 2026
Wind: 8 mph ENE
This Afternoon

Mostly sunny, with a high near 82. East northeast wind around 8 mph.

Local 7-day forecast

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: May 30, 2026 6:27 PM EDT.

The active forecast window currently covers May 30 to Jun 5, 2026 for Union, IN.

Page Snapshot

Page focus
city weather
Forecast window
May 30 to Jun 5, 2026
Latest sync
May 30, 2026 6:27 PM EDT
Forecast office
PAH
Source
NOAA / NWS
Next High
82°F
This Afternoon
Next Low
59°F
Tonight
Rain Outlook
4
Periods mentioning precipitation
Windiest
5 to 10 mph
Tuesday

Daily Outlook

Today
May 30
Mostly Sunny
82 °F
/ 59°F
Wind 8 mph
Sun
May 31
Mostly Sunny
80 °F
/ 61°F
Wind 2 to 7 mph
Mon
Jun 1
Chance Rain Showers then Slight Chance Showers And Thunderstorms
81 °F
/ 60°F
Wind 5 mph
Tue
Jun 2
Sunny
79 °F
/ 56°F
Wind 5 to 10 mph
Wed
Jun 3
Sunny
79 °F
/ 57°F
Wind 5 mph
Thu
Jun 4
Sunny
83 °F
/ 64°F
Wind 5 mph
Fri
Jun 5
Mostly Sunny
85 °F
/ 68°F
Wind 5 to 10 mph

This Week in Union

Friday looks like the warmest upcoming period in Union at 85 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 56 degrees F.

The strongest winds are forecast for Tuesday at about 5 to 10 mph NE.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
May 30, 2026 6:27 PM 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 source

Extended Forecast

Tonight
May 30
59°F
Partly Cloudy
6 to 9 mph ENE

Partly cloudy. Low around 59, with temperatures rising to around 61 overnight. East northeast wind 6 to 9 mph.

Sunday
May 31
80°F
Mostly Sunny
2 to 7 mph E

Mostly sunny. High near 80, with temperatures falling to around 78 in the afternoon. East wind 2 to 7 mph.

Sunday Night
May 31
61°F
Partly Cloudy then Slight Chance Rain Showers
3 mph ENE

A slight chance of rain showers between 2am and 5am. Partly cloudy, with a low around 61. East northeast wind around 3 mph. Chance of precipitation is 20%.

Monday
Jun 1
81°F
Chance Rain Showers then Slight Chance Showers And Thunderstorms
5 mph ENE

A chance of rain showers between 7am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. East northeast wind around 5 mph. Chance of precipitation is 30%.

Monday Night
Jun 1
60°F
Slight Chance Showers And Thunderstorms
6 mph NE

A slight chance of showers and thunderstorms before 2am. Mostly clear, with a low around 60. Northeast wind around 6 mph. Chance of precipitation is 20%.

Tuesday
Jun 2
79°F
Sunny
5 to 10 mph NE

Sunny, with a high near 79. Northeast wind 5 to 10 mph.

Tuesday Night
Jun 2
56°F
Clear
3 to 9 mph NE

Clear, with a low around 56. Northeast wind 3 to 9 mph.

Wednesday
Jun 3
79°F
Sunny
5 mph ENE

Sunny, with a high near 79. East northeast wind around 5 mph.

Wednesday Night
Jun 3
57°F
Clear
5 mph E

Clear, with a low around 57. East wind around 5 mph.

Thursday
Jun 4
83°F
Sunny
5 mph SSE

Sunny, with a high near 83. South southeast wind around 5 mph.

Thursday Night
Jun 4
64°F
Mostly Clear
5 mph SSW

Mostly clear, with a low around 64. South southwest wind around 5 mph.

Friday
Jun 5
85°F
Mostly Sunny
5 to 10 mph SSW

Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph.

Friday Night
Jun 5
68°F
Slight Chance Showers And Thunderstorms
9 mph SSW

A slight chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. South southwest wind around 9 mph.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
May 30
Mostly Sunny
82°F
8 mph
ENE
Tonight
May 30
Partly Cloudy
59°F
6 to 9 mph
ENE
Sunday
May 31
Mostly Sunny
80°F
2 to 7 mph
E
Sunday Night
May 31
Partly Cloudy then Slight Chance Rain Showers
61°F
3 mph
ENE
Monday
Jun 1
Chance Rain Showers then Slight Chance Showers And Thunderstorms
81°F
5 mph
ENE
Monday Night
Jun 1
Slight Chance Showers And Thunderstorms
60°F
6 mph
NE
Tuesday
Jun 2
Sunny
79°F
5 to 10 mph
NE
Tuesday Night
Jun 2
Clear
56°F
3 to 9 mph
NE
Wednesday
Jun 3
Sunny
79°F
5 mph
ENE
Wednesday Night
Jun 3
Clear
57°F
5 mph
E
Thursday
Jun 4
Sunny
83°F
5 mph
SSE
Thursday Night
Jun 4
Mostly Clear
64°F
5 mph
SSW
Friday
Jun 5
Mostly Sunny
85°F
5 to 10 mph
SSW
Friday Night
Jun 5
Slight Chance Showers And Thunderstorms
68°F
9 mph
SSW
Union  Indiana
Union Indiana image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.