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45875 Weather (Ottawa, OH)

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Clear at Ottawa (45875), temperature is 50°F10°C, dew point 50°F10°C, humidity 100%. Wind direction is NNW at 7 mphat 11 km/h with visibility of 10 mi16 km. Barometric pressure is 30.22 in1023 mb. Last update: 3:12 am.*
*Time is approximately 3:12 am Mon, Sep 14, 2026. Time will be within 15 minutes of current local time. Ottawa weather forecast data is updated every 15 minutes.

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They talk about big skies in the western United States, and they may indeed have them, but you have never seen such lofty clouds, such towering anvils, as in Iowa in July. ―Bill Bryson
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Ottawa OH Weather - 3:12 am

Ottawa Weather Forecast

Weather forecast for: Ottawa OH
Last Update: 2:30 am EDT Sep 14, 2026
Overnight: Clear, with a low around 48. North wind around 5 mph.
Monday: Sunny, with a high near 73. East wind around 5 mph.
Monday Night: Partly cloudy, with a low around 55. East wind 5 to 10 mph.
Tuesday: Mostly sunny, with a high near 86. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 67. South wind 5 to 10 mph becoming light west after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 81.
Friday Night: A 20 percent chance of showers. Partly cloudy, with a low around 62.
Saturday: A 40 percent chance of showers. Mostly sunny, with a high near 80.
Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61.
Sunday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 76.

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