River Lake Weather Forecast

    • 39
    • 75

    Increasing Clouds

    • 29
    • 46

    Mostly Cloudy

    • 37
    • 49

    Mostly Cloudy

    • 35
    • 56

    Mostly Cloudy

    • 39
    • 51

    Mostly Cloudy

    • 23
    • 52

    Partly Sunny

Today 21 Mar Dakota

Warmer. Partly sunny in the morning then clearing. Highs in the mid 70s. South Winds 5 to 10 Mph shifting to the west 5 to 15 Mph in the afternoon.

Tonight 21 Mar Dakota

Mostly cloudy. Near steady temperature in the lower 40s. South Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

River Lake Temperature Statistics

March Temperature

South St. Paul Municipal-Richard E. Flemi (3.7 miles)

  • Lowest 16 March, 2026

    8.2 °F

  • Average March

    35.2 °F

  • Highest 8 March, 2026

    59 °F

Climate (2021–Present)

South St. Paul Municipal-Richard E. Flemi (3.7 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    57.2 °F
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