Wirth Lake Weather Forecast

    • 53
    • 81

    Mostly Sunny

    • 52
    • 77

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

    • 57
    • 75

    Chance Rain Showers

    • 54
    • 75

    Slight Chance Rain Showers

    • 55
    • 77

    Partly Sunny

Today 17 Sep East Central Willamette Valley

Sunny. Highs in the lower 80s. Winds Light, becoming north 5 to 10 Mph this afternoon.

Tonight 17 Sep East Central Willamette Valley

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. North wind 5 to 10 Mph.

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  • Temperature Real-Time

Wirth Lake Temperature Statistics

September Temperature

Salem - McNary Field (0.6 miles)

  • Lowest 13 September, 2025

    51.1 °F

  • Average September

    67.5 °F

  • Highest 4 September, 2025

    91 °F

Climate (2020–Present)

Salem - McNary Field (0.6 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    65.6 °F
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