Tsatsawassa Lake Weather Forecast

    • 48
    • 74

    Becoming Sunny

    • 56
    • 79

    Mostly Sunny

    • 61
    • 82

    Partly Sunny

    • 61
    • 75

    Rain Showers Likely

    • 54
    • 75

    Rain Showers Likely

    • 50
    • 71

    Mostly Sunny

Today 21 Aug Eastern Rensselaer

Mostly cloudy in the Morning, then becoming mostly sunny. Warmer with Highs in the upper 60s. East Winds around 5 Mph.

Tonight 21 Aug Eastern Rensselaer

Mostly cloudy. Patchy fog. Near steady temperature around 50. East Winds around 5 Mph.

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Tsatsawassa Lake Temperature Statistics

August Temperature

Pittsfield Municipal Airport (13.7 miles)

  • Lowest 2 August, 2025

    48.7 °F

  • Average August

    68.8 °F

  • Highest 13 August, 2025

    88.6 °F

Climate (2020–Present)

Pittsfield Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    57.6 °F
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