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.