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Union, KY Weather
Current conditions
Forecast for this hour (no station report in the last two hours)
Forecast
10-day-
Friday Night
Mostly clear, with a low around 44.
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Saturday
Sunny, with a high near 70.
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Saturday Night
Mostly clear, with a low around 43.
National Weather Service forecast updated 2 days ago.
Hourly
Hourly forecast- Now53°
- 1 AM52°
- 2 AM51°
- 3 AM50°
- 4 AM48°
- 5 AM46°
- 6 AM46°
- 7 AM45°
- 8 AM44°
- 9 AM48°
- 10 AM53°
- 11 AM57°
- 12 PM60°
- 1 PM64°
- 2 PM67°
- 3 PM68°
- 4 PM68°
- 5 PM69°
- 6 PM66°
- 7 PM64°
- 8 PM58°
- 9 PM55°
- 10 PM53°
- 11 PM51°
10-day forecast
Details- WedOct 21Sunny42°69°
- ThuOct 22Sunny42°69°
- FriOct 23Sunny44°68°
- TodayOct 24Sunny43°70°
- SunOct 25Sunny45°72°
- MonOct 26Mostly Sunny48°71°
- TueOct 27Partly Sunny46°67°
- WedOct 28Sunny52°76°
- ThuOct 29Partly cloudy0.07 in55°76°
- FriOct 30Partly cloudy0.09 in48°62°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Union
More weather news- From Freeze to Ease: Cincinnati Shakes Off Frost, Basks in Sunny 60s All Week
Fog and a sharp early chill greeted Cincinnati on Sunday morning, with a Freeze Warning in effect until 9 a.m. The payoff comes later: sunshine should take over, sending temperatures toward a comfortable high near 64…
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Freeze warning issued through Sunday morning ahead of sunny Tri-State warm-upFOX19 | Cincinnati Freeze warning issued through Sunday morning ahead of sunny Tri-State warm-up Protester removed from President Trump rally in Northern Kentucky Monroe Sheriff: One dead, ‘several’ others hurt during…
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OH WFO CINCINNATI Warnings, Watches, and AdvisoriesWFO CINCINNATI Warnings, Watches and Advisories for Sunday, October 18, 2026 URGENT - WEATHER MESSAGE National Weather Service Wilmington OH 130 PM EDT Fri Oct 16 2026 and northern Kentucky, and central, south central…
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Dangerous Freeze Watch for Parts of Indiana and Michigan as Temperatures DropA Freeze Watch is in effect for northern, east central and southeast Indiana from late Saturday night through Sunday morning, with lows as cold as 31 degrees possible. A Frost Advisory comes first, for parts of northern…
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Trudy strengthens to a hurricane as system nears Mexico’s coast with major storm expectedWDRB Trudy was located about 300 miles (480 kilometers) southwest of Acapulco, Mexico, with maximum sustained winds of 75 mph (120 kph), according to the U.S. National Hurricane Center in Miami. The hurricane was moving…
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Sunny skies return and temps remain coolKMVT Chief Meteorologist Avaionia Smith: October 14, 2026— Good Evening and Happy Wednesday! We start off the work week with rain, snow, and cold weather. Rain is clearing and temps do remain cool, highs area wide are…
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Tri-State ties 1928 heat record before storms bring sharp weekend chillCINCINNATI (WKRC) — Cincinnati tied a 98-year-old temperature record Tuesday as the Tri-State reached 88 degrees at Cincinnati/Northern Kentucky International Airport. The temperature matched the Oct. 13 record set in…
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Near high temperature records for Tuesday, hot temps remain so far in OctoberHazy but wispy gray clouds can been seen on the Dayton horizon. As October goes on, hot temperatures remain in the forecast for the local region, bringing a summer feeling rather than a fall feeling to the month. The…
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Calm, quiet conditions persist in South-Central KentuckyPleasant conditions for the region continue for the weekend and the start of next week, but a disturbance is beginning to show up in forecast models... This weather pattern will remain unchanged for the weekend and next…
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Wonderful weather continues for South-Central KentuckyBOWLING GREEN, Ky. (WBKO) - We’ll see another spectacular day for your Thursday, with lots of sunshine and comfortable conditions. This surface high will stick around for the next week or so, meaning this fair weather…
Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Northern Kentucky, KY reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyCincinnati Area, records since 1872. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Cincinnati 25 km
- Hamilton 51 km
- Fairfield 46 km
- Covington 21 km
- Mason 56 km
- Florence 8 km
- Independence 12 km
- Norwood 30 km
- White Oak 31 km
- Erlanger 10 km
- Forest Park 41 km
- Fort Thomas 25 km
Forecasters' discussion
From the National Weather Service office in ILN, issued 5 hrs ago
What Has Changed
Decreased afternoon dewpoints the next few days. Decreased central Ohio temperatures tonight and added patchy frost. Added river valley fog and fog across northern portions of the region.
Key Messages
1) Dry conditions will persist into at least the middle of next week.
Discussion
KEY MESSAGE 1)
Continued the trend of decreasing dewpoints during the afternoon hours the next few days. Also decreased the temperatures again across central ohio east of Columbus and added patchy frost in. Will continue to highlight frost in the HWO as well across this area. With winds off of the lake also will have the potential for some fog across the north in addition to river valley fog. Have mention in the HWO for fog across the north.
Otherwise, dry conditions are expected through at least the middle of next week. High temperatures will be in the 60s and 70s and lows in the upper 30s to low 50s.
Aviation
Calm and clear conditions tonight could lead to some BR/FG formation prior to sunrise mainly at KILN and KLUK. Any visibility restrictions mix out during the morning hours. Light easterly flow persists.
OUTLOOK...No significant weather expected.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.