Seattle-Tacoma International Airport Weather Forecast

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    Rain

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    Rain

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    Rain

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    Rain

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    Rain Likely

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    • 53

    Chance Rain/Snow

Today 16 Mar Lowlands of Pierce and Southern King Counties

Cloudy. Rain at Times in the Morning, then rain likely late in the morning. A chance of rain early in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the mid 50s to lower 60s. South wind 10 to 15 Mph becoming southwest in the afternoon.

Tonight 16 Mar Lowlands of Pierce and Southern King Counties

Mostly cloudy with a slight chance of rain in the Evening, then cloudy with rain likely after midnight. Rainfall Amounts less than a tenth of an inch likely. Lows in the mid 40s to lower 50s. Southwest wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seattle-Tacoma International Airport Temperature Statistics

March Temperature

Seattle, Seattle-Tacoma International Airport (0 miles)

  • Lowest 13 March, 2026

    32 °F

  • Average March

    45 °F

  • Highest 2 March, 2026

    57.7 °F

Climate (2021–Present)

Seattle, Seattle-Tacoma International Airport (0 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    61.2 °F
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