Keystone Lake Weather Forecast

    • 67
    • 87

    Becoming Sunny

    • 70
    • 92

    Mostly Sunny

    • 71
    • 93

    Mostly Sunny

    • 71
    • 93

    Partly Sunny

    • 71
    • 91

    Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

Today 21 Jun Westmoreland

Mostly sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 21 Jun Westmoreland

Clear with Lows in the upper 60s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Keystone Lake Temperature Statistics

June Temperature

Latrobe / Westmorland (6.2 miles)

  • Lowest 2 June, 2025

    39.2 °F

  • Average June

    66.6 °F

  • Highest 4 June, 2025

    86 °F

Climate (2020–Present)

Latrobe / Westmorland (6.2 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    62.7 °F
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