Tsatsawassa Lake Weather Forecast

    • 59
    • 76

    Increasing Clouds

    • 59
    • 76

    Rain Showers Likely

    • 42
    • 72

    Partly Sunny

    • 47
    • 65

    Rain Showers Likely

    • 47
    • 63

    Rain Showers Likely

    • 48
    • 66

    Chance Rain Showers

Today 16 Sep Eastern Rensselaer

Mostly sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 16 Sep Eastern Rensselaer

Mostly cloudy. Lows in the upper 50s. Light and variable Winds.

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Tsatsawassa Lake Temperature Statistics

September Temperature

Pittsfield Municipal Airport (13.7 miles)

  • Lowest 7 September, 2026

    43.6 °F

  • Average September

    63.6 °F

  • Highest 10 September, 2026

    80.7 °F

Climate (2021–2026)

Pittsfield Municipal Airport (13.7 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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