7-Day Forecast Summary
7-Day Detailed Weather Forecast for Ontario
Overnight |
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Temperature: 60°F Wind Speed: 17 mph Wind Direction: S Forecast: Partly cloudy, with a low around 60. South wind around 17 mph. |
Wednesday |
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Temperature: 64°F Wind Speed: 18 mph Wind Direction: S Forecast: A chance of rain before 10am, then rain and a slight chance of thunderstorms. Cloudy, with a high near 64. South wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
Wednesday Night |
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Temperature: 52°F Wind Speed: 9 to 18 mph Wind Direction: SW Forecast: Rain likely before 3am. Mostly cloudy, with a low around 52. Southwest wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
Thursday |
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Temperature: 61°F Wind Speed: 9 to 16 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 61. Southwest wind 9 to 16 mph. New rainfall amounts less than a tenth of an inch possible. |
Thursday Night |
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Temperature: 46°F Wind Speed: 5 to 9 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 46. Southwest wind 5 to 9 mph. |
Friday |
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Temperature: 57°F Wind Speed: 5 to 9 mph Wind Direction: W Forecast: A chance of rain after 1pm. Partly sunny, with a high near 57. Chance of precipitation is 30%. |
Friday Night |
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Temperature: 40°F Wind Speed: 9 mph Wind Direction: NW Forecast: A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 30%. |
Saturday |
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Temperature: 51°F Wind Speed: 10 mph Wind Direction: NW Forecast: A slight chance of rain. Partly sunny, with a high near 51. |
Saturday Night |
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Temperature: 35°F Wind Speed: 7 mph Wind Direction: W Forecast: A slight chance of rain before 7pm. Partly cloudy, with a low around 35. |
Sunday |
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Temperature: 52°F Wind Speed: 5 to 12 mph Wind Direction: W Forecast: A slight chance of rain after 1pm. Mostly sunny, with a high near 52. |
Sunday Night |
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Temperature: 35°F Wind Speed: 12 mph Wind Direction: W Forecast: A slight chance of rain. Partly cloudy, with a low around 35. |
Monday |
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Temperature: 54°F Wind Speed: 9 to 13 mph Wind Direction: W Forecast: A slight chance of rain. Mostly sunny, with a high near 54. |
Monday Night |
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Temperature: 38°F Wind Speed: 10 to 14 mph Wind Direction: SW Forecast: A slight chance of rain before 7pm. Partly cloudy, with a low around 38. |
Tuesday |
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Temperature: 58°F Wind Speed: 14 mph Wind Direction: W Forecast: Mostly sunny, with a high near 58. |

