Seaside Weather Forecast

    • 46
    • 57

    Slight Chance Rain

    • 50
    • 57

    Rain

    • 55
    • 60

    Rain

    • 52
    • 64

    Mostly Cloudy

    • 50
    • 61

    Rain Likely

    • 48
    • 57

    Rain

    • 45
    • 55

    Rain

Today 8 Nov Clatsop County Coast

Rain likely. Highs in the mid 50s. Chance of rain 70 percent.

Tonight 8 Nov Clatsop County Coast

Mostly cloudy. Lows in the mid 40s. Winds light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaside Temperature Statistics

November Temperature

Astoria, Astoria Regional Airport (11.2 miles)

  • Lowest 1 November, 2026

    33.7 °F

  • Average November

    49.5 °F

  • Highest 3 November, 2026

    63.6 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (11.2 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    60 °F
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