Pontoosuc Lake Weather Forecast

    • 46
    • 63

    Decreasing Clouds

    • 53
    • 70

    Mostly Cloudy

    • 61
    • 75

    Partly Sunny

    • 50
    • 73

    Chance Rain Showers

    • 47
    • 67

    Chance Rain Showers

    • 46
    • 62

    Chance Rain Showers

Today 29 Sep Northern Berkshire

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the mid 60s. Northwest Winds around 5 Mph.

Tonight 29 Sep Northern Berkshire

Partly cloudy. Patchy fog. Lows in the mid 40s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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Pontoosuc Lake Temperature Statistics

September Temperature

Pittsfield Municipal Airport (5 miles)

  • Lowest 15 September, 2026

    41.6 °F

  • Average September

    60.7 °F

  • Highest 10 September, 2026

    80.7 °F

Climate (2021–2026)

Pittsfield Municipal Airport (5 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    57.4 °F
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