10-Day Weather Forecast - Alton Bay, NH

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  • |15°F
    70% Chance of Snow
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    Tonight

    15°F

    Cloudy. A slight chance of snow in the evening then snow likely after midnight. Snow accumulation around an inch. Lows around 13. Light and variable winds. Chance of snow 70 percent.

    Hourly details
  • Weekend Weather

  • Day

    20°F

    Snow. Additional snow accumulation of 2 to 4 inches. Total snow accumulation 1 to 7 inches. Highs in the lower 20s. Northeast winds around 10 mph becoming north 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of snow near 100 percent. Wind chill values as low as 1 below.

    Night

    0°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows around 3 below. Northwest winds 15 to 20 mph with gusts up to 40 mph. Wind chill values as low as 24 below.

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  • Day

    10°F

    Partly sunny. Highs around 11. Northwest winds 15 to 20 mph with gusts up to 35 mph. Wind chill values as low as 25 below.

    Night

    2°F

    Mostly clear. Lows around zero.

    Hourly details
  • Day

    20°F

    Mostly sunny. Highs around 20.

    Night

    8°F

    Partly cloudy in the evening then clearing. Lows around 5 above.

    Hourly details
  • Day

    28°F

    Mostly sunny. Highs in the upper 20s.

    Night

    15°F

    Mostly clear in the evening then becoming partly cloudy. Lows around 10 above.

    Hourly details
  • Day

    29°F

    Mostly cloudy. A chance of snow in the afternoon. Highs around 30. Chance of snow 30 percent.

    Night

    18°F

    Mostly cloudy with a 40 percent chance of snow. Lows 15 to 20.

    Hourly details
  • Day

    29°F

    Partly sunny in the morning then becoming mostly cloudy. A 30 percent chance of snow. Highs in the lower 30s.

    Night

    16°F

    Mostly cloudy with a slight chance of snow. Chance of precipitation 30%. Low temperature around 16F. Dew point will be around 14F with an average humidity of 77%. Winds will be 8 mph from the NW.

    Hourly details
  • Day

    27°F

    Mostly cloudy. High temperature around 27F. Dew point will be around 13F with an average humidity of 67%. Winds will be 10 mph from the NW.

    Night

    14°F

    Clear. Low temperature around 14F. Dew point will be around 11F with an average humidity of 72%. Winds will be 8 mph from the NW.

  • Weekend Weather

  • Day

    29°F

    Sunny. High temperature around 29F. Dew point will be around 14F with an average humidity of 69%. Winds will be 6 mph from the NW.

    Night

    17°F

    Mostly clear. Low temperature around 17F. Dew point will be around 14F with an average humidity of 75%. Winds will be 4 mph from the NW.

  • Day

    29°F

    Partly cloudy. High temperature around 29F. Dew point will be around 17F with an average humidity of 71%. Winds will be 4 mph from the NW.

    Night

    22°F

    Cloudy. Low temperature around 22F. Dew point will be around 18F with an average humidity of 75%. Winds will be 5 mph from the NW.