Pepper Slough Weather Forecast

    • 59
    • 78

    Mostly Sunny

    • 62
    • 81

    Mostly Cloudy

    • 70
    • 87

    Mostly Sunny

    • 73
    • 97

    Hot

    • 70
    • 96

    Mostly Sunny

    • 67
    • 89

    Mostly Sunny

Today 22 Jul Clark

Partly sunny. Highs in the upper 70s. Southeast Winds around 5 Mph, becoming west this afternoon.

Tonight 22 Jul Clark

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph.

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Pepper Slough Temperature Statistics

July Temperature

Watertown, Watertown Municipal Airport (23.6 miles)

  • Lowest 9 July, 2026

    58.6 °F

  • Average July

    75.9 °F

  • Highest 17 July, 2026

    92.6 °F

Climate (2021–2026)

Watertown, Watertown Municipal Airport (23.6 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    55.9 °F
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