Newcastle Weather Forecast

    • 49
    • 61

    Rain

    • 42
    • 53

    Chance Rain

    • 48
    • 54

    Rain Likely

    • 52
    • 57

    Rain Likely

    • 51
    • 63

    Chance Rain

Today 7 Nov Foothills and Valleys of Central King County

Mostly cloudy. Highs in the 60s. East wind to 10 Mph becoming south in the afternoon.

Tonight 7 Nov Foothills and Valleys of Central King County

Cloudy in the Evening, then rain in the late evening and early morning. Rain likely in the morning. Rainfall Amounts a half inch to one inch possible. Lows in the mid 40s to lower 50s. South wind 10 to 20 Mph. Gusts to 35 Mph.

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Newcastle Temperature Statistics

November Temperature

Renton Municipal Airport (3.7 miles)

  • Lowest 2 November, 2026

    33.1 °F

  • Average November

    46 °F

  • Highest 3 November, 2026

    57.9 °F

Climate (2021–2026)

Renton Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    62.3 °F
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