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

48°F

9°C

Humidity 94%
Wind Speed NE 12 mph
Barometer 30.03 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 20 May 3:15 am EDT
Extended Forecast for

Ottawa OH

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers, mainly after 2pm. High near 61. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Cloudy, with a low around 53. East wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 5pm, then showers likely after 5pm. Cloudy, with a high near 63. Northeast wind 5 to 15 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 49. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Showers, mainly after 2pm. High near 61. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Cloudy, with a low around 53. East wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 5pm, then showers likely after 5pm. Cloudy, with a high near 63. Northeast wind 5 to 15 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 49. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 42.
Friday
A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 58.
Friday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 68.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Memorial Day
A chance of showers. Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Ottawa OH
 41.02°N 84.04°W (Elev. 699 ft)
Last Update:
3:31 am EDT May 20, 2025
Forecast Valid:
3am EDT May 20, 2025-6pm EDT May 26, 2025
 
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