Northwest Olympia Weather Forecast

    • 47
    • 62

    Mostly Cloudy

    • 44
    • 65

    Increasing Clouds

    • 53
    • 66

    Mostly Cloudy

    • 50
    • 63

    Rain Likely

    • 48
    • 66

    Mostly Cloudy

    • 47
    • 66

    Mostly Cloudy

    • 45
    • 66

    Partly Sunny

Today 26 Sep Olympia and Southern Puget Sound

Mostly sunny. Highs in the upper 60s.

Tonight 26 Sep Olympia and Southern Puget Sound

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s. Northeast wind to 10 Mph.

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Northwest Olympia Temperature Statistics

September Temperature

Olympia, Olympia Airport (5.6 miles)

  • Lowest 16 September, 2026

    41.6 °F

  • Average September

    59.2 °F

  • Highest 9 September, 2026

    82.7 °F

Climate (2021–2026)

Olympia, Olympia Airport (5.6 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.2 °F
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