Chehalis Weather Forecast

    • 30
    • 48

    Increasing Clouds

    • 40
    • 48

    Rain Likely

    • 45
    • 59

    Rain

    • 48
    • 54

    Rain

    • 49
    • 56

    Rain

    • 50
    • 60

    Rain

    • 46
    • 61

    Chance Rain

Today 14 Mar Lowlands of Lewis and Southern Thurston Counties

Sunny. Highs in the mid to upper 40s. West wind to 10 Mph becoming northwest in the afternoon. Gusts to 25 Mph.

Tonight 14 Mar Lowlands of Lewis and Southern Thurston Counties

Partly cloudy in the evening then becoming mostly cloudy. Lows near 30. West wind to 10 Mph with Gusts to 20 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chehalis Temperature Statistics

March Temperature

Chehalis-Centralia Airport (1.2 miles)

  • Lowest 2 March, 2026

    30.2 °F

  • Average March

    45.5 °F

  • Highest 2 March, 2026

    60.8 °F

Climate (2021–Present)

Chehalis-Centralia Airport (1.2 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    61.3 °F
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