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.

Fair

68°F

20°C

Humidity 84%
Wind Speed Calm
Barometer 30.04 in (1016.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Jul 5:53 am EDT
Extended Forecast for

Bryan OH

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 87. Northwest wind around 5 mph becoming calm.

    High: 87 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Clear, with a low around 64. Calm wind.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70. South wind around 5 mph becoming calm.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 87. Northwest wind around 5 mph becoming calm.
Tonight
Clear, with a low around 64. Calm wind.
Tuesday
Sunny and hot, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70. South wind around 5 mph becoming calm.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 83.
Friday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Bryan OH
 41.46°N 84.55°W (Elev. 748 ft)
Last Update:
6:00 am EDT Jul 14, 2025
Forecast Valid:
6am EDT Jul 14, 2025-6pm EDT Jul 20, 2025
 
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