Washington Weather Forecast

    • 42
    • 71

    Chance Rain Showers

    • 47
    • 70

    Mostly Sunny

    • 53
    • 74

    Partly Sunny

    • 53
    • 72

    Chance Rain Showers

    • 48
    • 73

    Slight Chance Rain Showers

    • 48
    • 67

    Chance Rain Showers

Today 14 Sep Knox

Partly sunny. A chance of Showers in the morning. Patchy fog in the morning. Highs in the lower 70s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

Tonight 14 Sep Knox

Clear. Lows in the lower 40s. Northwest Winds around 10 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

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Washington Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (19.3 miles)

  • Lowest 1 September, 2026

    48.9 °F

  • Average September

    62.6 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (19.3 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.9 °F
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