Twin Rivers Park Weather Forecast

    • 31
    • 52

    Rain

    • 32
    • 55

    Mostly Cloudy

    • 32
    • 55

    Partly Sunny

    • 38
    • 57

    Mostly Cloudy

    • 35
    • 59

    Partly Sunny

    • 38
    • 59

    Mostly Cloudy

Today 30 Oct Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy in the Morning, then a chance of rain Showers in the late morning and early afternoon. Mostly cloudy with rain Showers late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the upper 40s to mid 50s. East wind to 10 Mph becoming south in the afternoon.

Tonight 30 Oct Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy in the Evening, then a slight chance of rain Showers late in the evening. Partly cloudy after midnight. Lows in the upper 30s to mid 40s. East wind to 10 Mph.

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Twin Rivers Park Temperature Statistics

October Temperature

Arlington Municipal Airport (3.1 miles)

  • Lowest 12 October, 2026

    32 °F
  • Average October

    51.4 °F
  • Highest 16 October, 2026

    78.1 °F

Climate (2021–2026)

Arlington Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    42.5 °F
  • Average 2021–2026

    50.9 °F
  • Average High 2021–2026

    60 °F
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