7-Day Forecast Summary
7-Day Detailed Weather Forecast for Fullerton
This Afternoon |
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Temperature: 90°F Wind Speed: 15 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms. Cloudy, with a high near 90. South wind around 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Tonight |
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Temperature: 61°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 8pm, then showers and thunderstorms between 8pm and 3am. Mostly cloudy, with a low around 61. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. |
Monday |
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Temperature: 77°F Wind Speed: 10 mph Wind Direction: NW Forecast: Mostly sunny, with a high near 77. Northwest wind around 10 mph, with gusts as high as 25 mph. |
Monday Night |
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Temperature: 53°F Wind Speed: 0 to 10 mph Wind Direction: NW Forecast: Mostly clear, with a low around 53. Northwest wind 0 to 10 mph. |
Tuesday |
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Temperature: 77°F Wind Speed: 0 to 5 mph Wind Direction: W Forecast: Sunny, with a high near 77. West wind 0 to 5 mph. |
Tuesday Night |
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Temperature: 56°F Wind Speed: 0 to 5 mph Wind Direction: W Forecast: Partly cloudy, with a low around 56. |
Wednesday |
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Temperature: 80°F Wind Speed: 0 to 5 mph Wind Direction: S Forecast: A chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 80. Chance of precipitation is 60%. |
Wednesday Night |
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Temperature: 60°F Wind Speed: 0 to 5 mph Wind Direction: S Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%. |
Thursday |
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Temperature: 88°F Wind Speed: 5 to 15 mph Wind Direction: S Forecast: A chance of rain showers before 2pm, then showers and thunderstorms. Mostly cloudy, with a high near 88. Chance of precipitation is 80%. |
Thursday Night |
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Temperature: 64°F Wind Speed: 10 to 15 mph Wind Direction: W Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 80%. |
Juneteenth |
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Temperature: 82°F Wind Speed: 5 to 15 mph Wind Direction: W Forecast: A chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%. |
Friday Night |
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Temperature: 59°F Wind Speed: 5 to 10 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 59. |
Saturday |
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Temperature: 82°F Wind Speed: 5 to 15 mph Wind Direction: W Forecast: Sunny, with a high near 82. |
Saturday Night |
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Temperature: 59°F Wind Speed: 0 to 10 mph Wind Direction: W Forecast: Mostly clear, with a low around 59. |

