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

72°F

22°C

Humidity 100%
Wind Speed S 7 mph
Barometer 30.13 in
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Last update 9 Sep 1:55 am EDT
Extended Forecast for

Ottawa OH

  • Overnight

    Overnight: Partly cloudy, with a low around 71. South wind around 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Heat index values as high as 95. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 67. West wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 2pm, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 78. West wind around 5 mph. Chance of precipitation is 30%.

    High: 78 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 71. South wind around 10 mph.
Wednesday
A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Heat index values as high as 95. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 67. West wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday
A chance of showers before 2pm, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 78. West wind around 5 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 60.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Ottawa OH
 41.01°N 84.01°W (Elev. 719 ft)
Last Update:
1:16 am EDT Sep 9, 2026
Forecast Valid:
2am EDT Sep 9, 2026-6pm EDT Sep 15, 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