10-Day Weather Forecast - Grantham, NH

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  • |17°F
    Partly Cloudy
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    Tonight

    17°F

    Partly cloudy. A slight chance of snow showers this evening. Lows around 13. Northwest winds 15 to 20 mph with gusts up to 40 mph. Chance of snow 20 percent. Wind chill values as low as 1 below.

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  • Day

    23°F

    Mostly sunny. Highs in the mid 20s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 2 below in the morning.

    Night

    23°F

    Partly cloudy. A slight chance of snow after midnight. Lows around 18. Light and variable winds. Chance of snow 20 percent.

    Hourly details
  • Day

    32°F

    Snow likely. Light snow accumulation possible. Highs in the lower 30s. Light and variable winds. Chance of snow 70 percent.

    Night

    30°F

    Cloudy. Snow likely mainly in the evening. Little or no additional snow accumulation. Lows in the mid 20s. Light and variable winds becoming west around 10 mph with gusts up to 20 mph after midnight. Chance of snow 70 percent.

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  • Day

    31°F

    Mostly cloudy in the morning then becoming partly sunny. Highs in the lower 30s.

    Night

    20°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows 15 to 20.

    Hourly details
  • Day

    34°F

    Mostly cloudy. Highs in the mid 30s.

    Night

    23°F

    Cloudy. Lows in the mid 20s.

    Hourly details
  • Day

    29°F

    Cloudy with a chance of snow and rain showers. Highs in the mid 30s. Chance of precipitation 40 percent.

    Night

    28°F

    Mostly cloudy with a 40 percent chance of snow showers. Lows around 20.

    Hourly details
  • Weekend Weather

  • Day

    30°F

    Mostly cloudy with a 40 percent chance of snow showers. Highs in the upper 20s.

    Night

    20°F

    Cloudy with a 40 percent chance of snow showers. Lows around 20.

    Hourly details
  • Day

    29°F

    Cloudy with a chance of snow and rain showers. Highs in the mid 30s. Chance of precipitation 50 percent.

    Night

    19°F

    Mostly cloudy with a chance of snow. Chance of precipitation 40%. Low temperature around 19F. Dew point will be around 15F with an average humidity of 71%. Winds will be 7 mph from the NW.

  • Day

    25°F

    Partly cloudy. High temperature around 25F. Dew point will be around 14F with an average humidity of 70%. Winds will be 10 mph from the NW.

    Night

    15°F

    Partly cloudy. Low temperature around 15F. Dew point will be around 11F with an average humidity of 71%. Winds will be 12 mph from the NW.

  • Day

    24°F

    Sunny. High temperature around 24F. Dew point will be around 11F with an average humidity of 67%. Winds will be 9 mph from the NW.

    Night

    19°F

    Clear. Low temperature around 18F. Dew point will be around 13F with an average humidity of 74%. Winds will be 7 mph from the NW.