Grand Mound Weather Forecast

    • 36
    • 59

    Becoming Sunny

    • 43
    • 65

    Partly Sunny

    • 45
    • 69

    Mostly Cloudy

    • 38
    • 69

    Partly Sunny

    • 33
    • 56

    Mostly Sunny

    • 34
    • 57

    Mostly Sunny

    • 35
    • 60

    Mostly Sunny

Today 3 Apr Lowlands of Lewis and Southern Thurston Counties

Partly sunny. Highs near 60. Light wind.

Tonight 3 Apr Lowlands of Lewis and Southern Thurston Counties

Mostly clear. Lows in the mid to upper 30s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Mound Temperature Statistics

April Temperature

Chehalis-Centralia Airport (9.3 miles)

  • Lowest 1 April, 2026

    41 °F

  • Average April

    46.2 °F

  • Highest 1 April, 2026

    51.8 °F

Climate (2021–Present)

Chehalis-Centralia Airport (9.3 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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