Clam Lake Weather Forecast

    • 47
    • 58

    Rain Showers

    • 49
    • 61

    Mostly Cloudy

    • 50
    • 62

    Mostly Cloudy

    • 50
    • 62

    Mostly Cloudy

    • 51
    • 62

    Partly Sunny

    • 51
    • 63

    Partly Sunny

Today 16 May South Washington Coast

Showers likely with a slight chance of Thunderstorms. Highs in the mid 50s. Northwest wind 15 to 20 Mph. Chance of rain 70 percent. Rainfall Amounts a tenth to a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 16 May South Washington Coast

Mostly cloudy with a slight chance of Showers in the Evening, then partly cloudy after midnight. Lows in the mid 40s. Northwest wind 10 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clam Lake Temperature Statistics

May Temperature

Astoria, Astoria Regional Airport (18 miles)

  • Lowest 8 May, 2026

    45.6 °F

  • Average May

    56.7 °F

  • Highest 3 May, 2026

    82.7 °F

Climate (2021–Present)

Astoria, Astoria Regional Airport (18 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    59.8 °F
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