Seaside Weather Forecast

    • 46
    • 59

    Increasing Clouds

    • 47
    • 58

    Mostly Cloudy

    • 52
    • 62

    Rain Showers Likely

    • 49
    • 60

    Slight Chance Rain Showers

    • 49
    • 59

    Rain Showers

    • 49
    • 58

    Rain Showers

    • 51
    • 58

    Chance Rain Showers

Today 15 Jun Clatsop County Coast

Mostly sunny. Highs in the mid 60s. Northwest wind 10 to 15 Mph.

Tonight 15 Jun Clatsop County Coast

Mostly cloudy. Lows in the mid 40s. Northwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaside Temperature Statistics

June Temperature

Astoria, Astoria Regional Airport (11.2 miles)

  • Lowest 13 June, 2025

    48.9 °F

  • Average June

    57 °F

  • Highest 8 June, 2025

    77.6 °F

Climate (2020–Present)

Astoria, Astoria Regional Airport (11.2 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    59.5 °F
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