Terrapin Lake Weather Forecast

    • 63
    • 90

    Increasing Clouds

    • 66
    • 87

    Partly Sunny

    • 65
    • 82

    Chance Rain Showers

    • 66
    • 80

    Rain Showers Likely

    • 64
    • 82

    Chance Rain Showers

    • 58
    • 81

    Slight Chance Rain Showers

Today 4 Sep Washington

Sunny. Highs around 90. Northeast Winds up to 5 Mph.

Tonight 4 Sep Washington

Mostly clear. A 20 percent chance of Thunderstorms after midnight. Patchy fog through the night. Near steady temperature in the lower 70s. Southeast Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Terrapin Lake Temperature Statistics

September Temperature

L O Simenstad Municipal Airport (10.6 miles)

  • Lowest 1 September, 2026

    65.5 °F

  • Average September

    77.9 °F

  • Highest 1 September, 2026

    88 °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

    57 °F
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