Bethlehem Weather Forecast

    • 67
    • 91

    Chance Thunderstorms

    • 52
    • 81

    Partly Sunny

    • 52
    • 73

    Mostly Cloudy

    • 53
    • 72

    Rain Showers

    • 56
    • 65

    Rain Showers Likely

    • 61
    • 78

    Chance Rain Showers

Today 24 Jun Northern Grafton

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds this afternoon. Hot with Highs in the lower 90s. Light and variable Winds, becoming northwest around 10 Mph with Gusts up to 20 Mph this afternoon. Chance of rain 30 percent. Heat index Values up to 100.

Tonight 24 Jun Northern Grafton

Partly cloudy. A chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Patchy fog after midnight. Some Thunderstorms may produce gusty Winds in the evening. Humid with Lows in the upper 60s. Light and variable Winds. Chance of rain 40 percent. Heat index Values in the upper 90s early in the evening.

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Bethlehem Temperature Statistics

June Temperature

Whitefield - Mount Washington Regional Airport (8.7 miles)

  • Lowest 3 June, 2025

    32.6 °F

  • Average June

    61.8 °F

  • Highest 5 June, 2025

    87.7 °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

    55.5 °F
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