Terrapin Lake Weather Forecast

    • 49
    • 77

    Sunny

    • 50
    • 77

    Mostly Sunny

    • 60
    • 79

    Slight Chance Rain Showers

    • 61
    • 84

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 60
    • 82

    Partly Sunny

Today 22 Aug Washington

Mostly sunny. Near steady temperature in the upper 70s. Northwest Winds 10 to 15 Mph.

Tonight 22 Aug Washington

Clear. Lows in the lower 50s. Northwest Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Terrapin Lake Temperature Statistics

August Temperature

L O Simenstad Municipal Airport (10.6 miles)

  • Lowest 20 August, 2026

    51.4 °F

  • Average August

    73.3 °F

  • Highest 12 August, 2026

    88.2 °F

Climate (2021–2026)

L O Simenstad Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    56.9 °F
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