New West Side Weather Forecast

    • 27
    • 48

    Mostly Sunny

    • 28
    • 44

    Mostly Cloudy

    • 26
    • 46

    Mostly Sunny

    • 26
    • 46

    Mostly Sunny

    • 30
    • 46

    Mostly Cloudy

    • 34
    • 47

    Slight Chance Rain/Snow

    • 37
    • 52

    Chance Rain

Today 21 Jan Cowlitz County Lowlands

Widespread frost this morning. Sunny. Highs in the upper 40s. Winds light.

Tonight 21 Jan Cowlitz County Lowlands

Mostly clear. Widespread frost with patchy fog. Lows in the upper 20s. Light and variable Winds.

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New West Side Temperature Statistics

January Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 19 January, 2026

    25 °F

  • Average January

    43 °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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