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

67°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 29.93 in (1013.2 mb)
Dewpoint 67°F (19°C)
Visibility 7.00 mi
Last update 20 Aug 3:53 am EDT
Extended Forecast for

Defiance OH

  • Overnight

    Overnight: A 20 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of thunderstorms after 5pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 10%.

    High: 82 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly clear, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely 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 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 62. Calm wind.
Thursday
A slight chance of thunderstorms after 5pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 10%.
Thursday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 61. Calm wind.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly clear, with a low around 57. Chance of precipitation is 60%.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Defiance OH
 41.28°N 84.36°W (Elev. 699 ft)
Last Update:
3:46 am EDT Aug 20, 2026
Forecast Valid:
4am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation