Terrapin Lake Weather Forecast

    • 42
    • 61

    Mostly Sunny

    • 50
    • 64

    Partly Sunny

    • 52
    • 64

    Chance Rain Showers

    • 52
    • 68

    Mostly Cloudy

    • 53
    • 65

    Chance Rain Showers

    • 54
    • 69

    Slight Chance Rain Showers

Today 22 Sep Washington

Mostly sunny. Highs in the lower 60s. East Winds 5 to 10 Mph.

Tonight 22 Sep Washington

Mostly clear. Lows in the lower 40s. 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 14 September, 2026

    41.7 °F

  • Average September

    68.5 °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

    47.5 °F

  • Average High 2021–2026

    57 °F
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