South Twin Mountain Weather Forecast

    • 48
    • 63

    Mostly Sunny

    • 56
    • 69

    Partly Sunny

    • 58
    • 70

    Rain Showers Likely

    • 59
    • 68

    Rain Showers Likely

    • 58
    • 70

    Chance Rain Showers

    • 56
    • 70

    Partly Sunny

Today 8 Jun Northern Grafton

Mostly sunny. Highs in the upper 70s. Light and variable Winds.

Tonight 8 Jun Northern Grafton

Mostly clear. Patchy fog after midnight. Lows in the upper 40s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Twin Mountain Temperature Statistics

June Temperature

Whitefield - Mount Washington Regional Airport (11.8 miles)

  • Lowest 2 June, 2026

    30.9 °F

  • Average June

    59.8 °F

  • Highest 4 June, 2026

    82 °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

    55.2 °F
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