First Connecticut Lake Weather Forecast

    • 35
    • 69

    Increasing Clouds

    • 48
    • 67

    Mostly Cloudy

    • 49
    • 62

    Chance Rain

    • 48
    • 61

    Chance Rain

    • 48
    • 59

    Chance Rain

    • 46
    • 62

    Mostly Cloudy

    • 51
    • 66

    Slight Chance Rain Showers

Today 24 Sep Northern Coos

Sunny. Highs in the upper 60s. Light and variable Winds.

Tonight 24 Sep Northern Coos

Mostly clear. Patchy fog and frost after midnight. Lows in the upper 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

First Connecticut Lake Temperature Statistics

September Temperature

Berlin, Berlin Municipal Airport (35.4 miles)

  • Lowest 19 September, 2026

    30.9 °F

  • Average September

    56.6 °F

  • Highest 16 September, 2026

    77.6 °F

Climate (2021–2026)

Berlin, Berlin Municipal Airport (35.4 miles)

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  • Average Low 2021–2026

    31.9 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    55.7 °F
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