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.

Mostly Cloudy

78°F

26°C

Humidity 71%
Wind Speed E 3 mph
Barometer 29.93 in (1012.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Aug 6:53 pm EDT
Extended Forecast for

4 Miles W Bryan OH

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Northeast wind around 5 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. East wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81. Calm wind becoming southeast around 5 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 50%.

    High: 80 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 56.

    Low: 56 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 60. Calm wind.
Thursday
Mostly sunny, with a high near 81. Northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 57. East wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 81. Calm wind becoming southeast around 5 mph.
Friday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 60. Calm wind.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 53.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 59.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Bryan OH
 41.47°N 84.61°W (Elev. 797 ft)
Last Update:
7:16 pm EDT Aug 19, 2026
Forecast Valid:
7pm EDT Aug 19, 2026-6pm EDT Aug 26, 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