10-Day Weather Forecast - Alton, NH

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  • 89|70°F
    Mostly Sunny
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    Today

    89°F

    Mostly sunny with a 20 percent chance of showers. Hazy warm with highs in the upper 80s. Light and variable winds.

    Tonight

    70°F

    Mostly clear. Hazy. Patchy fog after midnight. Humid with lows in the upper 60s. Light and variable winds.

    Hourly details
  • Day

    88°F

    Mostly sunny. Hazy hot with highs around 90. West winds around 10 mph with gusts up to 25 mph.

    Night

    65°F

    Mostly clear. Lows in the mid 60s. Northwest winds around 10 mph in the evening becoming light and variable.

    Hourly details
  • Day

    84°F

    Partly sunny. A chance of showers and thunderstorms in the afternoon. Warm with highs in the upper 80s. Light and variable winds becoming west around 10 mph in the afternoon. Chance of rain 40 percent.

    Night

    65°F

    A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 50 percent.

    Hourly details
  • Day

    73°F

    Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 50 percent.

    Night

    59°F

    Partly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50 percent.

    Hourly details
  • Day

    70°F

    Partly sunny. Highs in the mid 70s.

    Night

    56°F

    Partly cloudy in the evening then clearing. Lows in the mid 50s.

    Hourly details
  • Weekend Weather

  • Day

    75°F

    Mostly sunny. Highs in the mid 70s.

    Night

    56°F

    Mostly clear. Lows in the mid 50s.

    Hourly details
  • Day

    80°F

    Mostly sunny. Highs in the lower 80s.

    Night

    61°F

    Clear. Low temperature around 61F. Dew point will be around 54F with an average humidity of 65%. Winds will be 4 mph from the W.

  • Day

    83°F

    Sunny. High temperature around 83F. Dew point will be around 57F with an average humidity of 52%. Winds will be 4 mph from the W.

    Night

    65°F

    Clear. Low temperature around 65F. Dew point will be around 57F with an average humidity of 65%. Winds will be 2 mph from the SW.

  • Day

    82°F

    Sunny. High temperature around 82F. Dew point will be around 59F with an average humidity of 58%. Winds will be 2 mph from the SW.

    Night

    66°F

    Clear. Low temperature around 66F. Dew point will be around 60F with an average humidity of 72%. Winds will be 2 mph from the SW.

  • Day

    79°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 79F. Dew point will be around 62F with an average humidity of 66%. Winds will be 1 mph from the S.

    Night

    65°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 65F. Dew point will be around 62F with an average humidity of 79%. Winds will be 1 mph from the S.