7-Day Forecast Summary
7-Day Detailed Weather Forecast for Ontario
Tonight |
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Temperature: 68°F Wind Speed: 6 to 12 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms between 2am and 5am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southwest wind 6 to 12 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
Wednesday |
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Temperature: 84°F Wind Speed: 5 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 4pm, then showers and thunderstorms. Partly sunny, with a high near 84. West wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
Wednesday Night |
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Temperature: 68°F Wind Speed: 5 mph Wind Direction: E Forecast: Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 9pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
Thursday |
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Temperature: 82°F Wind Speed: 5 to 8 mph Wind Direction: W Forecast: A chance of rain showers before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 82. West wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
Thursday Night |
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Temperature: 63°F Wind Speed: 7 mph Wind Direction: N Forecast: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 63. North wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
Friday |
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Temperature: 76°F Wind Speed: 7 to 10 mph Wind Direction: NE Forecast: Mostly sunny, with a high near 76. |
Friday Night |
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Temperature: 57°F Wind Speed: 6 to 9 mph Wind Direction: E Forecast: Partly cloudy, with a low around 57. |
Saturday |
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Temperature: 79°F Wind Speed: 8 mph Wind Direction: S Forecast: A chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 50%. |
Saturday Night |
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Temperature: 65°F Wind Speed: 8 to 12 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 70%. |
Sunday |
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Temperature: 79°F Wind Speed: 12 mph Wind Direction: W Forecast: Showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 70%. |
Sunday Night |
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Temperature: 62°F Wind Speed: 10 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%. |
Monday |
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Temperature: 75°F Wind Speed: 12 mph Wind Direction: S Forecast: A chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 50%. |
Monday Night |
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Temperature: 59°F Wind Speed: 8 to 12 mph Wind Direction: NE Forecast: A chance of rain showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%. |
Tuesday |
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Temperature: 73°F Wind Speed: 9 to 13 mph Wind Direction: E Forecast: A chance of rain showers. Partly sunny, with a high near 73. |

