10-Day Weather Forecast - Great Falls, MD

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  • 81|72°F
    50% Chance of Storms
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    Today

    81°F

    Mostly cloudy with scattered showers and thunderstorms. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 50 percent.

    Tonight

    72°F

    Mostly cloudy. Numerous showers and scattered thunderstorms in the evening then isolated showers and thunderstorms after midnight. Lows in the lower 70s. West winds 5 to 10 mph. Chance of rain 60 percent.

    Hourly details
  • Day

    84°F

    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Northwest winds around 5 mph. Chance of rain 30 percent.

    Night

    71°F

    Partly cloudy. Lows in the lower 70s. North winds around 5 mph.

    Hourly details
  • Day

    88°F

    Mostly sunny. Highs around 90. Northeast winds around 5 mph.

    Night

    71°F

    Partly cloudy. Lows in the lower 70s.

    Hourly details
  • Weekend Weather

  • Day

    86°F

    Mostly sunny. Highs in the upper 80s.

    Night

    69°F

    Mostly clear. Lows around 70.

    Hourly details
  • Day

    90°F

    Sunny. Highs in the lower 90s.

    Night

    72°F

    Mostly clear. Lows in the lower 70s.

    Hourly details
  • Day

    87°F

    Sunny. Highs around 90.

    Night

    66°F

    Partly cloudy. Lows around 70.

    Hourly details
  • Day

    84°F

    Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 30 percent.

    Night

    69°F

    Partly cloudy with a 40% chance for rain and thunderstorms. Low temperature around 69F. Dew point will be around 68F with an average humidity of 88%. Winds will be 3 mph from the E.

  • Day

    80°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 80F. Dew point will be around 68F with an average humidity of 76%. Winds will be 1 mph from the N.

    Night

    66°F

    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 66F. Dew point will be around 65F with an average humidity of 86%. Winds will be 2 mph from the NE.

  • Day

    76°F

    Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 76F. Dew point will be around 64F with an average humidity of 76%. Winds will be 4 mph from the N.

    Night

    65°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 65F. Dew point will be around 63F with an average humidity of 85%. Winds will be 2 mph from the NE.

  • Day

    78°F

    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 78F. Dew point will be around 62F with an average humidity of 71%. Winds will be 1 mph from the N.

    Night

    65°F

    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 65F. Dew point will be around 62F with an average humidity of 82%. Winds will be 1 mph from the SE.