South Twin Mountain Weather Forecast

    • 25
    • 33

    Slight Chance Snow Showers

    • 31
    • 34

    Chance Snow Showers

    • 24
    • 36

    Chance Snow Showers

    • 24
    • 39

    Partly Sunny

    • 30
    • 44

    Mostly Cloudy

    • 34
    • 46

    Mostly Cloudy

Today 21 Apr Northern Grafton

Mostly sunny. Highs in the mid 40s. Light and variable Winds.

Tonight 21 Apr Northern Grafton

Partly cloudy this Evening, then becoming mostly cloudy. Lows around 30. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Twin Mountain Temperature Statistics

April Temperature

Whitefield - Mount Washington Regional Airport (11.8 miles)

  • Lowest 8 April, 2026

    15.1 °F

  • Average April

    43 °F

  • Highest 16 April, 2026

    72 °F

Climate (2021–Present)

Whitefield - Mount Washington Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    32.4 °F

  • Average 2021–2026

    44 °F

  • Average High 2021–2026

    55.3 °F
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