South Montesano Weather Forecast

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    Rain Likely

Today 13 Mar Lower Chehalis Valley Area

Rain Showers likely in the morning. A slight chance of Thunderstorms through the day. Rain Showers in the afternoon. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Highs in the 40s. Southwest wind 10 to 15 Mph with Gusts to 25 Mph.

Tonight 13 Mar Lower Chehalis Valley Area

Rain Showers, snow and a slight chance of Thunderstorms in the Evening, then rain and snow after midnight. Snow level near 1500 feet. No snow accumulation. Lows in the lower to mid 30s. Southwest wind 10 to 15 Mph becoming southeast after Midnight, Gusts to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Montesano Temperature Statistics

March Temperature

Hoquiam, Bowerman Airport (14.3 miles)

  • Lowest 6 March, 2025

    31.7 °F

  • Average March

    45.7 °F

  • Highest 5 March, 2025

    53.7 °F

Climate (2020–Present)

Hoquiam, Bowerman Airport (14.3 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    58.2 °F
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