Terrapin Lake Weather Forecast

    • 55
    • 68

    Mostly Cloudy

    • 54
    • 64

    Chance Rain Showers

    • 54
    • 66

    Mostly Cloudy

    • 56
    • 69

    Rain Showers

    • 53
    • 66

    Rain Showers Likely

    • 51
    • 65

    Chance Rain Showers

Today 25 Sep Washington

Mostly cloudy. Highs in the upper 60s. Southeast Winds up to 10 Mph.

Tonight 25 Sep Washington

Partly cloudy. Lows in the mid 50s. Southeast Winds up to 10 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 22 September, 2026

    40.6 °F

  • Average September

    66.3 °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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