New West Side Weather Forecast

    • 44
    • 59

    Rain

    • 46
    • 53

    Rain

    • 43
    • 54

    Rain Showers Likely

    • 43
    • 60

    Mostly Cloudy

    • 40
    • 61

    Partly Sunny

    • 39
    • 61

    Mostly Sunny

    • 42
    • 59

    Partly Sunny

Today 31 Jan Cowlitz County Lowlands

Mostly cloudy this Morning, then becoming mostly sunny. Highs in the upper 50s. Winds light.

Tonight 31 Jan Cowlitz County Lowlands

Mostly cloudy. Rain likely after midnight. Lows in the mid 40s. South wind 10 to 15 Mph. Chance of rain 70 percent. Rainfall Amounts around a tenth of an inch.

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New West Side Temperature Statistics

January Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 25 January, 2026

    19 °F

  • Average January

    40.8 °F

  • Highest 15 January, 2026

    55.9 °F

Climate (2021–Present)

Southwest Washington Regional Airport (2.5 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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