River Lake Weather Forecast

    • 63
    • 81

    Mostly Sunny

    • 59
    • 81

    Chance Thunderstorms

    • 63
    • 81

    Chance Thunderstorms

    • 63
    • 82

    Chance Thunderstorms

    • 61
    • 80

    Slight Chance Rain Showers

    • 62
    • 80

    Slight Chance Thunderstorms

Today 6 Aug Dakota

Sunny. Highs in the lower 80s. South Winds up to 10 Mph.

Tonight 6 Aug Dakota

Clear. Lows in the mid 50s. South Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

River Lake Temperature Statistics

August Temperature

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

  • Lowest 1 August, 2026

    64.9 °F

  • Average August

    75.9 °F

  • Highest 1 August, 2026

    86.4 °F

Climate (2021–2026)

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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