New West Side Weather Forecast

    • 36
    • 43

    Rain Showers

    • 41
    • 44

    Rain Showers

    • 37
    • 49

    Mostly Cloudy

    • 40
    • 47

    Rain Showers Likely

    • 41
    • 49

    Chance Rain Showers

    • 42
    • 52

    Chance Rain Showers

    • 41
    • 55

    Mostly Cloudy

Today 7 Jan Cowlitz County Lowlands

Rain this Morning, then rain Showers with a slight chance of Thunderstorms this afternoon. Some Thunderstorms may produce small hail this afternoon. Highs in the lower 40s. South wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts a quarter to a half of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 7 Jan Cowlitz County Lowlands

Mostly cloudy. Rain Showers with a slight chance of Thunderstorms this Evening, then a chance of rain Showers with a slight chance of snow Showers after midnight. Snow level 1500 feet. No snow accumulation. Lows in the mid 30s. Southwest wind 5 to 10 Mph. Chance of precipitation 90 percent. Rainfall Amounts a tenth to a quarter of an inch.

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New West Side Temperature Statistics

January Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 1 January, 2026

    30 °F

  • Average January

    44.3 °F

  • Highest 3 January, 2026

    53.1 °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

    53 °F

  • Average High 2021–2026

    62.4 °F
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