Rock Lake Weather Forecast

    • 34
    • 63

    Becoming Sunny

    • 31
    • 56

    Chance Snow

    • 22
    • 42

    Mostly Cloudy

    • 27
    • 45

    Partly Sunny

    • 29
    • 45

    Chance Rain/Snow

    • 31
    • 44

    Rain/Snow Likely

Today 29 Mar South Cass

Mostly sunny. Highs in the lower 60s. East Winds around 5 Mph, becoming south this afternoon.

Tonight 29 Mar South Cass

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 30s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Lake Temperature Statistics

March Temperature

Staples, Staples Municipal Airport (16.2 miles)

  • Lowest 16 March, 2026

    -0.4 °F

  • Average March

    33.7 °F

  • Highest 21 March, 2026

    68 °F

Climate (2021–Present)

Staples, Staples Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    34.2 °F

  • Average 2021–2026

    44.7 °F

  • Average High 2021–2026

    54.5 °F
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