National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Defiance, Defiance Memorial Airport (KDFI)

Lat: 41.34°NLon: 84.43°WElev: 705ft.

Overcast

70°F

21°C

Humidity 87%
Wind Speed SW 3 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 Aug 11:53 pm EDT
Extended Forecast for

4 Miles N Bryan OH

  • Overnight

    Overnight: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Southwest wind around 5 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 80. West wind around 5 mph.

    High: 80 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57. Calm wind becoming northeast around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Northeast wind around 5 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm. Mostly clear, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Southwest wind around 5 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 80. West wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 57. Calm wind becoming northeast around 5 mph.
Thursday
Mostly sunny, with a high near 80. Northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 55. Calm wind.
Friday
Mostly sunny, with a high near 80.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 50%.
Saturday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 56. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 54.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 78.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 57.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Bryan OH
 41.53°N 84.57°W (Elev. 846 ft)
Last Update:
11:45 pm EDT Aug 18, 2026
Forecast Valid:
12am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation