7-Day Forecast 41.02°N 84.04°W (Text-Only)
NWS Forecast for: Ottawa OH
Issued by: National Weather Service Northern Indiana
Last Update: 9:47 pm EDT Jul 18, 2025
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  • Tonight

    Tonight: Partly cloudy, with a low around 18. Southeast wind 5 to 10 km/h.

    Low: 18 °C

    Partly Cloudy



  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 31. South wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.

    High: 31 °C

    Mostly Sunny
    then Chance
    T-storms

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 21. Southwest wind 10 to 15 km/h.  Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    Low: 21 °C

    Heavy Rain
    then Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 28. Northwest wind around 10 km/h.

    High: 28 °C

    Chance
    T-storms


  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers after 2am.  Partly cloudy, with a low around 17. East wind around 10 km/h.

    Low: 17 °C

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers.  Mostly sunny, with a high near 27.

    High: 27 °C

    Slight Chance
    Showers


  • Monday
    Night

    Monday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 17.

    Low: 17 °C

    Slight Chance
    Showers


  • Tuesday

    Tuesday: A 20 percent chance of showers before 2pm.  Mostly sunny, with a high near 31.

    High: 31 °C

    Slight Chance
    Showers


  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 19.

    Low: 19 °C

    Partly Cloudy



  • Tonight: Partly cloudy, with a low around 18. Southeast wind 5 to 10 km/h.

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 31. South wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.

    Saturday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 21. Southwest wind 10 to 15 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    Sunday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 28. Northwest wind around 10 km/h.

    Sunday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 17. East wind around 10 km/h.

    Monday: A 20 percent chance of showers. Mostly sunny, with a high near 27.

    Monday Night: A 20 percent chance of showers. Partly cloudy, with a low around 17.

    Tuesday: A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 31.

    Tuesday Night: Partly cloudy, with a low around 19.

    Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 33.

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 23.

    Thursday: A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 34.

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 23.

    Friday: A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 33.



    Ottawa OH
     41.02°N 84.04°W (Elev. 699 m)

    Visit your local NWS office at: https://www.weather.gov/iwx