New West Side Weather Forecast

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    Rain Likely

Today 13 Mar Cowlitz County Lowlands

Rain Showers likely with a slight chance of Thunderstorms this Morning, then rain Showers with a chance of Thunderstorms this afternoon. Some Thunderstorms may produce small hail this afternoon. Highs in the upper 40s. Southwest wind 5 to 10 Mph. Chance of rain 90 percent. Rainfall Amounts a tenth to a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 13 Mar Cowlitz County Lowlands

Rain Showers with a chance of Thunderstorms in the Evening, then rain likely after midnight. Some Thunderstorms may produce small hail in the evening. Snow level 1000 feet. Lows in the mid 30s. South wind 5 to 10 Mph. Chance of rain 80 percent. Rainfall Amounts around a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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New West Side Temperature Statistics

March Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 6 March, 2025

    30.9 °F

  • Average March

    46.5 °F

  • Highest 1 March, 2025

    61 °F

Climate (2020–Present)

Southwest Washington Regional Airport (2.5 miles)

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  • Average Low 2020–2025

    44.9 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    62.1 °F
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