West Side Highway Weather Forecast

    • 46
    • 50

    Rain

    • 46
    • 51

    Rain

    • 44
    • 57

    Rain Likely

    • 43
    • 51

    Rain Likely

    • 41
    • 51

    Chance Rain

    • 40
    • 57

    Mostly Cloudy

Today 29 Jan Cowlitz County Lowlands

Rain. Highs in the lower 50s. Southeast wind 10 to 15 Mph. Chance of rain 90 percent. Rainfall Amounts a tenth to a quarter of an inch.

Tonight 29 Jan Cowlitz County Lowlands

Cloudy. Rain, mainly in the evening. Lows in the mid 40s. Southeast wind 5 to 10 Mph. Chance of rain 90 percent. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Side Highway Temperature Statistics

January Temperature

Southwest Washington Regional Airport (5 miles)

  • Lowest 25 January, 2026

    19 °F

  • Average January

    40.5 °F

  • Highest 15 January, 2026

    55.9 °F

Climate (2021–Present)

Southwest Washington Regional Airport (5 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    62.4 °F
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