Current conditions at

Dayton, Cox Dayton International Airport (KDAY)

Lat: 39.91°NLon: 84.22°WElev: 1007ft.

Fair

40°F

4°C

Humidity 77%
Wind Speed N 3 mph
Barometer 30.44 in (1031.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 19 Oct 6:56 am EDT
Extended Forecast for

Union OH

Frost Advisory October 19, 07:06am until October 19, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory October 19, 07:06am until October 19, 09:00am

    NOW until 9:00am Mon

    Frost Advisory

  • Today

    High: 68 °F

    Areas Frost
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Northeast wind around 5 mph becoming calm  after midnight.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Calm wind becoming north around 5 mph in the afternoon.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Today
Areas of frost before 9am. Otherwise, sunny, with a high near 68. Calm wind.
Tonight
Mostly clear, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 69. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 42. Northeast wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 69. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Union OH
 39.93°N 84.3°W (Elev. 899 ft)
4:00 am EDT Oct 19, 2026
7am EDT Oct 19, 2026-6pm EDT Oct 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database