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.

Light Rain

64°F

18°C

Humidity 88%
Wind Speed SW 17 mph
Barometer 29.92 in
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Last update 16 May 10:35 am EDT
Extended Forecast for

Ottawa OH

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 80. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 80 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 60. Southwest wind 5 to 10 mph.

    Low: 60 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 85. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. South wind around 10 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 90. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. Breezy. Chance of precipitation is 80%.

    High: 90 °F

    Breezy.
    Chance
    T-storms then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 2pm, then a slight chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 80. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 60. Southwest wind 5 to 10 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 85. South wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 66. South wind around 10 mph, with gusts as high as 25 mph.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 90. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. Breezy. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Wednesday
A chance of showers and thunderstorms before 2pm, then a slight chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.
Wednesday Night
A 10 percent chance of showers before 8pm. Mostly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ottawa OH
 41.02°N 84.04°W (Elev. 699 ft)
Last Update:
10:46 am EDT May 16, 2026
Forecast Valid:
10am EDT May 16, 2026-6pm EDT May 22, 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