Union County, OH Weather Forecast

County weather hub

80°
F

Chance Showers And Thunderstorms

Compare major city weather across Union County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Wednesday, April 15, 2026
Wind: 10 to 18 mph SW
Wednesday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 40%.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Union County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 0 of 0 mapped cities in Union County.

Page Snapshot

Page focus
county weather
Forecast window
Apr 15 to Apr 16, 2026
Latest sync
Apr 9, 2026 10:56 PM EDT
Forecast office
ILN
Source
NOAA / NWS
Next High
80°F
Wednesday
Next Low
57°F
Wednesday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
10 to 18 mph
Wednesday

Daily Outlook

Today
Apr 15
Chance Showers And Thunderstorms
80 °F
/ 57°F
Wind 10 to 18 mph
Thu
Apr 16
Chance Rain Showers
76 °F
Wind 9 to 13 mph

This Week in Union County

Wednesday looks like the warmest upcoming period in Union County at 80 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 57 degrees F.

The strongest winds are forecast for Wednesday at about 10 to 18 mph SW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Apr 9, 2026 10:56 PM EDT
Coverage
2 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 source

Extended Forecast

Wednesday Night
Apr 15
57°F
Chance Showers And Thunderstorms
9 to 15 mph SW

A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

Thursday
Apr 16
76°F
Chance Rain Showers
9 to 13 mph SW

A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 76.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Apr 15
Chance Showers And Thunderstorms
80°F
10 to 18 mph
SW
Wednesday Night
Apr 15
Chance Showers And Thunderstorms
57°F
9 to 15 mph
SW
Thursday
Apr 16
Chance Rain Showers
76°F
9 to 13 mph
SW

Nearby Forecasts

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

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Coverage

Tracked cities
0
Coverage
0%

Forecast coverage currently spans 0 of 0 mapped cities in Union County.

Seal of Union County Ohio
Seal of Union County Ohio seal 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.