10-Day Weather Forecast - Fullerton, CA

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  • |63°F
    Mostly Clear
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    Tonight

    63°F

    Mostly clear. Lows 54 to 62. Areas of winds east 10 to 20 mph. Gusts to 30 mph. . . Becoming 35 mph overnight.

    Hourly details
  • Day

    80°F

    Partly cloudy. Highs 79 to 82. Areas of winds east 10 to 20 mph with gusts to 35 mph becoming south 10 mph in the afternoon.

    Night

    62°F

    Cloudy. Lows 52 to 56. Areas of winds southeast to 10 mph in the evening becoming light.

    Hourly details
  • Day

    71°F

    Mostly cloudy in the morning. . . Becoming partly cloudy. Highs 71 to 74. Areas of winds south to 10 mph.

    Night

    54°F

    Partly cloudy. Patchy fog overnight. Lows around 51. Light winds.

    Hourly details
  • Weekend Weather

  • Day

    74°F

    Patchy fog in the morning. Partly cloudy. Highs 74 to 78.

    Night

    54°F

    Mostly clear. Lows 52 to 56.

    Hourly details
  • Day

    81°F

    Mostly sunny. Highs 78 to 82.

    Night

    55°F

    Mostly clear in the evening. . . Becoming partly cloudy. Lows 52 to 56.

    Hourly details
  • Day

    76°F

    Partly cloudy in the morning. . . Becoming mostly cloudy. Highs 72 to 75.

    Night

    57°F

    Mostly cloudy. A slight chance of showers overnight. Lows 51 to 56.

    Hourly details
  • Day

    69°F

    Cloudy with a slight chance of showers in the morning then mostly cloudy with a chance of showers in the afternoon. Highs 65 to 68.

    Night

    50°F

    Mostly cloudy. A chance of showers. Lows 49 to 52.

    Hourly details
  • Day

    64°F

    Partly cloudy. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs 63 to 66.

    Night

    49°F

    Cloudy. Low temperature around 49F. Dew point will be around 46F with an average humidity of 82%. Winds will be 3 mph from the S.

  • Day

    64°F

    Mostly sunny. High temperature around 64F. Dew point will be around 45F with an average humidity of 59%. Winds will be 3 mph from the SW.

    Night

    50°F

    Clear. Low temperature around 50F. Dew point will be around 44F with an average humidity of 73%. Winds will be 3 mph from the E.

  • Day

    66°F

    Sunny. High temperature around 66F. Dew point will be around 45F with an average humidity of 55%. Winds will be 4 mph from the SW.

    Night

    50°F

    Clear. Low temperature around 50F. Dew point will be around 45F with an average humidity of 74%. Winds will be 3 mph from the SE.