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Ontario Lagoon, OH Weather Forecast

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Ontario Lagoon, OH Weather Forecast

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Ontario Lagoon OH weather - Overcast - 69°F
Overcast
69°F
Updated 10:31 am
Feels Like 70°F
Humidity 86%
Wind W 8 mph
Barometer  29.94 in
Dew Point 65°F
Ontario Lagoon OH weather - Overcast - 21°C
Overcast
21°C
Updated 10:31 am
Feels Like 21°C
Humidity 86%
Wind W 13 km/h
Barometer  101.3 kPa
Dew Point 18°C
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Ontario Lagoon Weather Forecast

TODAY TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT
Ontario Lagoon, OH Weather - Today Chance Of T-Storm Ontario Lagoon, OH Weather - Tonight Chance Of T-Storm Ontario Lagoon, OH Weather - Thursday Chance Of Showers Ontario Lagoon, OH Weather - Thursday Night Mostly Clear Ontario Lagoon, OH Weather - Friday Mostly Sunny Ontario Lagoon, OH Weather - Friday Night Partly Cloudy Ontario Lagoon, OH Weather - Saturday Chance Of T-Storm Ontario Lagoon, OH Weather - Saturday Night Chance Of T-Storm Ontario Lagoon, OH Weather - Sunday Partly Cloudy Ontario Lagoon, OH Weather - Sunday Night Mostly Clear Ontario Lagoon, OH Weather - Monday Mostly Sunny Ontario Lagoon, OH Weather - Monday Night Partly Cloudy
Chance of T-Storm Chance of T-Storm Chance of Showers Mostly Clear Mostly Sunny Partly Cloudy Chance of T-Storm Chance of T-Storm Partly Cloudy Mostly Clear Mostly Sunny Partly Cloudy
Hi: 79°FHi: 26°C
 Lo: 61°FLo: 16°C Hi: 79°FHi: 26°C
 Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
 Lo: 60°FLo: 16°C Hi: 79°FHi: 26°C
 Lo: 60°FLo: 16°C Hi: 75°FHi: 24°C
 Lo: 59°FLo: 15°C Hi: 75°FHi: 24°C
 Lo: 59°FLo: 15°C
POP: 50% POP: 40% POP: 20% POP: 70% POP: 70%
POP = Probability of Precipitation.
Weather Outlook Updated: 717 AM EDT Wed Aug 19 2026 Ontario Lagoon, OH Weather - WeatherWorld.com

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Ontario Lagoon Forecast Discussion

Issued: 715 AM EDT Wed Aug 19 2026

Key Messages

1) Scattered showers and thunderstorms likely today and tonight. Heavy rainfall and localized flooding possible in the southern half of the area tonight.

2) An unsettled weather pattern returns this weekend with periods of showers and thunderstorms likely.


Discussion

... KEY MESSAGE 1... A cold front will meander south/southeast towards the area today, resulting in chances of scattered showers and storms across the area during the day today. At this point, ...