National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Ottawa Putnam County Airport (KOWX)

Lat: 41.04°NLon: 83.98°WElev: 763ft.

Fair

81°F

27°C

Humidity 66%
Wind Speed N 3 mph
Barometer 30.07 in
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Heat Index84°F (29°C)
Last update 14 Jul 8:15 pm EDT
Extended Forecast for

Ottawa OHSimilar City Names

  • Tonight

    Tonight: Mostly clear, with a low around 65. North wind around 5 mph becoming calm.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely then
    Slight 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%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    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 after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 65. North wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. South wind around 5 mph.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 60%.
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%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Friday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Ottawa OHSimilar City Names
 41.02°N 84.04°W (Elev. 699 ft)
Last Update:
7:16 pm EDT Jul 14, 2025
Forecast Valid:
8pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
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Additional Resources

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Chance of Precipitation