Weather in Fullerton, California, United States

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7-Day Detailed Weather Forecast for Fullerton

Today

Temperature: 100°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Sunny, with a high near 100. Southwest wind 0 to 10 mph.

Tonight

Temperature: 74°F

Wind Speed: 0 to 5 mph

Wind Direction: SW

Forecast: Patchy fog after 11pm. Partly cloudy, with a low around 74. Southwest wind 0 to 5 mph.

Thursday

Temperature: 101°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Patchy fog before 11am. Mostly sunny, with a high near 101. Heat index values as high as 105. Southwest wind 0 to 10 mph.

Thursday Night

Temperature: 75°F

Wind Speed: 0 to 5 mph

Wind Direction: S

Forecast: Patchy fog after 11pm. Mostly cloudy, with a low around 75. South wind 0 to 5 mph.

Friday

Temperature: 100°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Patchy fog before 11am. Mostly sunny, with a high near 100. Southwest wind 0 to 10 mph.

Friday Night

Temperature: 75°F

Wind Speed: 0 to 5 mph

Wind Direction: S

Forecast: Mostly clear, with a low around 75.

Saturday

Temperature: 97°F

Wind Speed: 0 to 10 mph

Wind Direction: S

Forecast: Sunny, with a high near 97.

Saturday Night

Temperature: 70°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Mostly clear, with a low around 70.

Sunday

Temperature: 89°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Sunny, with a high near 89.

Sunday Night

Temperature: 68°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Mostly clear, with a low around 68.

Monday

Temperature: 87°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Sunny, with a high near 87.

Monday Night

Temperature: 67°F

Wind Speed: 0 to 10 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 67.

Tuesday

Temperature: 87°F

Wind Speed: 0 to 10 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 87.

Tuesday Night

Temperature: 69°F

Wind Speed: 0 to 10 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 69.