News Headlines
Hazardous Weather Conditions
Current conditions at
Dayton, Cox Dayton International Airport (KDAY)
Lat: 39.91°NLon: 84.22°WElev: 1007ft.
Overcast
77°F
25°C
| Humidity | 79% |
| Wind Speed | SW 13 mph |
| Barometer | 30.04 in (1016.4 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 9 Jun 11:56 am EDT |
Extended Forecast for
Union OH
This Afternoon

High: 82 °F
Chance
T-stormsTonight

Low: 70 °F
Chance
T-stormsWednesday
High: 89 °F
Chance
T-storms then
Mostly SunnyWednesday Night
Low: 72 °F
Partly Cloudy
then Chance
T-stormsThursday

High: 90 °F
Chance
T-stormsThursday Night

Low: 72 °F
Chance
T-stormsFriday

High: 84 °F
Chance
T-stormsFriday Night

Low: 62 °F
Partly Cloudy
Saturday

High: 84 °F
Sunny
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. South wind around 14 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 11am. Partly sunny, with a high near 89. Heat index values as high as 101. Southwest wind 10 to 13 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 72. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 90. Southwest wind 11 to 15 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Union OH
39.91°N 84.3°W (Elev. 899 ft)
39.91°N 84.3°W (Elev. 899 ft)
6:17 am EDT Jun 9, 2026
12pm EDT Jun 9, 2026-6pm EDT Jun 15, 2026



