Onalaska Weather Forecast

    • 41
    • 72

    Increasing Clouds

    • 42
    • 71

    Decreasing Clouds

    • 51
    • 72

    Rain Likely

    • 43
    • 69

    Rain Likely

    • 45
    • 68

    Mostly Cloudy

    • 46
    • 62

    Rain

    • 47
    • 62

    Rain Likely

Today 15 Jun Foothills and Valleys of Thurston and Lewis Counties

Mostly sunny. Patchy fog in the morning. Highs in the lower to mid 70s. Light wind.

Tonight 15 Jun Foothills and Valleys of Thurston and Lewis Counties

Partly cloudy. Lows in the lower to mid 40s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onalaska Temperature Statistics

June Temperature

Chehalis-Centralia Airport (14.3 miles)

  • Lowest 2 June, 2025

    41 °F

  • Average June

    61.3 °F

  • Highest 8 June, 2025

    91.4 °F

Climate (2020–Present)

Chehalis-Centralia Airport (14.3 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    61.4 °F
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