Bethlehem Weather Forecast

    • 30
    • 52

    Mostly Sunny

    • 33
    • 60

    Mostly Sunny

    • 28
    • 57

    Partly Sunny

    • 29
    • 57

    Mostly Sunny

    • 32
    • 56

    Partly Sunny

    • 30
    • 52

    Partly Sunny

Today 18 Oct Northern Grafton

Mostly sunny. Highs in the lower 50s. Light and variable Winds.

Tonight 18 Oct Northern Grafton

Clear. Lows in the lower 30s. Light and variable Winds.

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Bethlehem Temperature Statistics

October Temperature

Whitefield - Mount Washington Regional Airport (8.7 miles)

  • Lowest 7 October, 2026

    24.1 °F

  • Average October

    48.1 °F

  • Highest 1 October, 2026

    75 °F

Climate (2021–2026)

Whitefield - Mount Washington Regional Airport (8.7 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    43.8 °F

  • Average High 2021–2026

    55 °F
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