Union, OH Weather Forecast
Local 7-day forecast
Partly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Union, OH in one place.
A chance of showers and thunderstorms between 1pm and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 86. Southeast wind 7 to 12 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Union, OH 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: Jun 8, 2026 8:55 AM EDT.
The active forecast window currently covers Jun 8 to Jun 14, 2026 for Union, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 8 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 8:55 AM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Union
Wednesday looks like the warmest upcoming period in Union at 88 degrees F.
Sunday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Thursday at about 12 to 15 mph SW.
Precipitation is mentioned in 14 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 8:55 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- 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
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 12 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 81. South wind around 14 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms between 7pm and 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind 9 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 10 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 85.
A chance of rain showers. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jun 8
|
Partly Sunny then Chance Showers And Thunderstorms
|
86°F |
7 to 12 mph
SE
|
|
Tonight
Jun 8
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
68°F |
12 mph
S
|
|
Tuesday
Jun 9
|
Showers And Thunderstorms
|
81°F |
14 mph
S
|
|
Tuesday Night
Jun 9
|
Showers And Thunderstorms
|
69°F |
9 to 13 mph
SW
|
|
Wednesday
Jun 10
|
Showers And Thunderstorms
|
88°F |
10 to 14 mph
SW
|
|
Wednesday Night
Jun 10
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
13 mph
SW
|
|
Thursday
Jun 11
|
Chance Showers And Thunderstorms
|
88°F |
12 to 15 mph
SW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms Likely
|
70°F |
14 mph
SW
|
|
Friday
Jun 12
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
86°F |
13 mph
W
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms then Partly Cloudy
|
64°F |
5 to 9 mph
NW
|
|
Saturday
Jun 13
|
Mostly Sunny then Slight Chance Rain Showers
|
85°F |
5 to 9 mph
SW
|
|
Saturday Night
Jun 13
|
Chance Rain Showers
|
66°F |
7 mph
SW
|
|
Sunday
Jun 14
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
83°F |
7 to 10 mph
W
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
63°F |
9 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union.