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Ottawa, OH Weather Forecast

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Ottawa, OH Weather Forecast

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Ottawa OH weather - Clear - 55°F
Clear
55°F
Updated 12:41 am
Feels Like 53°F
Humidity 87%
Wind ESE 7 mph
Barometer  30.21 in
Dew Point 51°F
Ottawa OH weather - Clear - 13°C
Clear
13°C
Updated 12:41 am
Feels Like 11°C
Humidity 87%
Wind ESE 11 km/h
Barometer  102.3 kPa
Dew Point 11°C
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Ottawa Weather Forecast

REST OF TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Ottawa, OH Weather - Rest Of Tonight Mostly Clear Ottawa, OH Weather - Tuesday Partly Cloudy Ottawa, OH Weather - Tuesday Night Chance Of T-Storm Ottawa, OH Weather - Wednesday Chance Of T-Storm Ottawa, OH Weather - Wednesday Night Chance Of T-Storm Ottawa, OH Weather - Thursday Chance Of T-Storm Ottawa, OH Weather - Thursday Night Chance Of T-Storm Ottawa, OH Weather - Friday Chance Of Showers Ottawa, OH Weather - Friday Night Partly Cloudy Ottawa, OH Weather - Saturday Chance Of T-Storm Ottawa, OH Weather - Saturday Night Chance Of T-Storm Ottawa, OH Weather - Sunday Chance Of T-Storm
Mostly Clear Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of T-Storm
Lo: 55°FLo: 13°C Hi: 85°FHi: 29°C
 Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
 Lo: 69°FLo: 21°C Hi: 85°FHi: 29°C
 Lo: 65°FLo: 18°C Hi: 80°FHi: 27°C
 Lo: 65°FLo: 18°C Hi: 85°FHi: 29°C
 Lo: 65°FLo: 18°C Hi: 80°FHi: 27°C
POP: 70% POP: 70% POP: 30% POP: 50% POP: 50% POP: 30% POP: 40% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 1045 PM EDT Mon Sep 14 2026 Ottawa, OH Weather - WeatherWorld.com

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Issued: 738 PM EDT Mon Sep 14 2026

Key Messages

  • Turning hot and humid Tuesday and Wednesday. Shower and thunderstorm chances return Tuesday afternoon through Wednesday (40 to 70%). Chances may linger into Thursday as well.
  • There is a marginal risk for isolated strong to severe storms Tuesday mainly between 6 pm and midnight. Main threat is damaging winds if storms become severe. Confidence remains low at this time.
  • There is a moderate swim risk for Lake Michigan beaches along the Berrien Co, MI shoreline Tuesday. Breaking waves an...