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

N/A

Humidity NA
Wind Speed S 7 mph
Barometer 29.96 in
Dewpoint N/A
Visibility 10.00 mi
Last update 17 May 11:53 pm EDT
Extended Forecast for

3 Miles S Bryan OH

  • Overnight

    Overnight: Mostly clear, with a low around 65. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 86. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 86 °F

    Sunny then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 66. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 66 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 85. Southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Slight Chance
    T-storms then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 55. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before 8am. Partly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 65. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 86. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 66. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Tuesday
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 85. Southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 55. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers before 8am. Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 47.
Friday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 70.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Bryan OH
 41.42°N 84.55°W (Elev. 735 ft)
Last Update:
1:16 am EDT May 18, 2026
Forecast Valid:
2am EDT May 18, 2026-6pm EDT May 24, 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