Bethlehem Weather Forecast

    • 27
    • 55

    Mostly Sunny

    • 40
    • 60

    Increasing Clouds

    • 49
    • 68

    Chance Rain Showers

    • 42
    • 60

    Rain

    • 41
    • 59

    Rain Showers Likely

    • 37
    • 55

    Rain Showers

    • 34
    • 50

    Chance Rain Showers

Today 17 Oct Northern Grafton

Chance of frost in Sheltered Locations this morning. Mostly sunny. Highs in the mid 50s. North Winds around 10 Mph.

Tonight 17 Oct Northern Grafton

Mostly clear. Areas of frost this evening. Widespread frost after midnight. Lows in the upper 20s. North Winds around 10 Mph with Gusts up to 20 Mph this afternoon and Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bethlehem Temperature Statistics

October Temperature

Whitefield - Mount Washington Regional Airport (8.7 miles)

  • Lowest 10 October, 2025

    19.9 °F

  • Average October

    47.8 °F

  • Highest 5 October, 2025

    82.9 °F

Climate (2020–Present)

Whitefield - Mount Washington Regional Airport (8.7 miles)

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  • Average Low 2020–2025

    32.8 °F

  • Average 2020–2025

    44.3 °F

  • Average High 2020–2025

    55.6 °F
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