7-Day Forecast Summary
7-Day Detailed Weather Forecast for Fontana
Overnight |
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Temperature: 62°F Wind Speed: 0 mph Wind Direction: Forecast: Partly cloudy, with a low around 62. Northeast wind around 0 mph. |
Sunday |
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Temperature: 79°F Wind Speed: 0 to 10 mph Wind Direction: E Forecast: Mostly sunny, with a high near 79. East wind 0 to 10 mph. |
Sunday Night |
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Temperature: 58°F Wind Speed: 0 to 5 mph Wind Direction: E Forecast: Mostly clear, with a low around 58. East wind 0 to 5 mph. |
Labor Day |
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Temperature: 79°F Wind Speed: 0 to 10 mph Wind Direction: SE Forecast: Sunny, with a high near 79. Southeast wind 0 to 10 mph. |
Monday Night |
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Temperature: 60°F Wind Speed: 5 to 10 mph Wind Direction: SE Forecast: Partly cloudy, with a low around 60. Southeast wind 5 to 10 mph. |
Tuesday |
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Temperature: 85°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Mostly sunny, with a high near 85. South wind 5 to 10 mph. |
Tuesday Night |
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Temperature: 71°F Wind Speed: 10 mph Wind Direction: SW Forecast: Showers and thunderstorms likely after 1am. Mostly cloudy, with a low around 71. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
Wednesday |
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Temperature: 84°F Wind Speed: 10 to 15 mph Wind Direction: W Forecast: Showers and thunderstorms likely before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 84. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Wednesday Night |
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Temperature: 58°F Wind Speed: 0 to 10 mph Wind Direction: W Forecast: Partly cloudy, with a low around 58. |
Thursday |
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Temperature: 78°F Wind Speed: 0 to 5 mph Wind Direction: NW Forecast: Mostly sunny, with a high near 78. |
Thursday Night |
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Temperature: 56°F Wind Speed: 0 to 5 mph Wind Direction: W Forecast: Mostly clear, with a low around 56. |
Friday |
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Temperature: 79°F Wind Speed: 0 to 5 mph Wind Direction: SW Forecast: Sunny, with a high near 79. |
Friday Night |
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Temperature: 59°F Wind Speed: 0 to 5 mph Wind Direction: S Forecast: Mostly clear, with a low around 59. |
Saturday |
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Temperature: 82°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 20%. |

