Union, IN Weather Forecast

Local 7-day forecast

91°

Sunny

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

Wednesday, July 15, 2026

Wind: 2 mph ENE

Wednesday

Sunny, with a high near 91. East northeast wind around 2 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: Jul 14, 2026 8:19 PM EDT.

The active forecast window currently covers Jul 15 to Jul 21, 2026 for Union, IN.

Page Snapshot

Page focus: city weather
Forecast window: Jul 15 to Jul 21, 2026
Latest sync: Jul 14, 2026 8:19 PM EDT
Forecast office: PAH
Source: NOAA / NWS

Next High

91°F

Wednesday

Next Low

72°F

Wednesday Night

Rain Outlook

Periods mentioning precipitation

Windiest

5 to 10 mph

Tuesday

Daily Outlook

Today

Jul 15

Sunny

91 °F

/ 72°F

Wind 2 mph

Thu

Jul 16

Sunny then Chance Showers And Thunderstorms

91 °F

/ 73°F

Wind 2 mph

Fri

Jul 17

Chance Showers And Thunderstorms

88 °F

/ 73°F

Wind 2 to 6 mph

Sat

Jul 18

Mostly Sunny then Chance Showers And Thunderstorms

90 °F

/ 73°F

Wind 3 to 9 mph

Sun

Jul 19

Sunny then Slight Chance Showers And Thunderstorms

89 °F

/ 72°F

Wind 5 to 8 mph

Mon

Jul 20

Slight Chance Showers And Thunderstorms

90 °F

/ 73°F

Wind 3 to 9 mph

Tue

Jul 21

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

88 °F

Wind 5 to 10 mph

This Week in Union

Wednesday looks like the warmest upcoming period in Union at 91 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 72 degrees F.

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

Precipitation is mentioned in 11 upcoming forecast periods.

Forecast Details

Last updated: Jul 14, 2026 8:19 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

Wednesday Night

Jul 15

72°F

Mostly Clear

1 mph S

Mostly clear, with a low around 72. South wind around 1 mph.

Thursday

Jul 16

91°F

Sunny then Chance Showers And Thunderstorms

2 mph SSW

A chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. South southwest wind around 2 mph. Chance of precipitation is 30%.

Thursday Night

Jul 16

73°F

Chance Showers And Thunderstorms then Mostly Clear

3 mph SW

A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. Southwest wind around 3 mph. Chance of precipitation is 30%.

Friday

Jul 17

88°F

Chance Showers And Thunderstorms

2 to 6 mph SW

A chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms. Mostly sunny, with a high near 88. Southwest wind 2 to 6 mph. Chance of precipitation is 80%.

Friday Night

Jul 17

73°F

Showers And Thunderstorms then Slight Chance Showers And Thunderstorms

2 to 6 mph WSW

Showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. West southwest wind 2 to 6 mph.

Saturday

Jul 18

90°F

Mostly Sunny then Chance Showers And Thunderstorms

3 to 9 mph WSW

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. West southwest wind 3 to 9 mph.

Saturday Night

Jul 18

73°F

Chance Showers And Thunderstorms

5 to 8 mph WSW

A chance of showers and thunderstorms before 2am. Mostly clear, with a low around 73. West southwest wind 5 to 8 mph.

Sunday

Jul 19

89°F

Sunny then Slight Chance Showers And Thunderstorms

5 to 8 mph W

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. West wind 5 to 8 mph.

Sunday Night

Jul 19

72°F

Slight Chance Showers And Thunderstorms then Mostly Clear

3 to 7 mph WSW

A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72. West southwest wind 3 to 7 mph.

Monday

Jul 20

90°F

Slight Chance Showers And Thunderstorms

3 to 9 mph SW

A slight chance of showers and thunderstorms after 8am. Sunny, with a high near 90. Southwest wind 3 to 9 mph.

Monday Night

Jul 20

73°F

Slight Chance Showers And Thunderstorms

5 to 8 mph SW

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southwest wind 5 to 8 mph.

Tuesday

Jul 21

88°F

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

5 to 10 mph W

A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. West wind 5 to 10 mph.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Wednesday Jul 15	Sunny	91°F	2 mph ENE	Sunny, with a high near 91. East northeast wind around 2 mph.
Wednesday Night Jul 15	Mostly Clear	72°F	1 mph S	Mostly clear, with a low around 72. South wind around 1 mph.
Thursday Jul 16	Sunny then Chance Showers And Thunderstorms	91°F	2 mph SSW	A chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. South southwest wind around 2 mph. Chance o...
Thursday Night Jul 16	Chance Showers And Thunderstorms then Mostly Clear	73°F	3 mph SW	A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. Southwest wind around 3 mph. Chanc...
Friday Jul 17	Chance Showers And Thunderstorms	88°F	2 to 6 mph SW	A chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms. Mostly sunny, with a high nea...
Friday Night Jul 17	Showers And Thunderstorms then Slight Chance Showers And Thunderstorms	73°F	2 to 6 mph WSW	Showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly clou...
Saturday Jul 18	Mostly Sunny then Chance Showers And Thunderstorms	90°F	3 to 9 mph WSW	A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. West southwest wind 3 to 9 mph.
Saturday Night Jul 18	Chance Showers And Thunderstorms	73°F	5 to 8 mph WSW	A chance of showers and thunderstorms before 2am. Mostly clear, with a low around 73. West southwest wind 5 to 8 mph.
Sunday Jul 19	Sunny then Slight Chance Showers And Thunderstorms	89°F	5 to 8 mph W	A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. West wind 5 to 8 mph.
Sunday Night Jul 19	Slight Chance Showers And Thunderstorms then Mostly Clear	72°F	3 to 7 mph WSW	A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72. West southwest wind 3 to 7...
Monday Jul 20	Slight Chance Showers And Thunderstorms	90°F	3 to 9 mph SW	A slight chance of showers and thunderstorms after 8am. Sunny, with a high near 90. Southwest wind 3 to 9 mph.
Monday Night Jul 20	Slight Chance Showers And Thunderstorms	73°F	5 to 8 mph SW	A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southwest wind 5 to 8 mph.
Tuesday Jul 21	Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms	88°F	5 to 10 mph W	A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high...

Nearby Forecasts

Explore weather pages for nearby cities and major places around Union.

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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.