River Lake Weather Forecast

    • 68
    • 87

    Increasing Clouds

    • 68
    • 85

    Rain Showers Likely

    • 59
    • 82

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 61
    • 82

    Partly Sunny

    • 64
    • 83

    Partly Sunny

Today 26 Jul Branch

Partly cloudy. Humid with Highs in the upper 80s. West Winds 5 to 10 Mph.

Tonight 26 Jul Branch

Partly cloudy. Near steady temperature in the upper 60s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

River Lake Temperature Statistics

July Temperature

Branch County Memorial Airport (12.4 miles)

  • Lowest 23 July, 2026

    46.4 °F

  • Average July

    74.3 °F

  • Highest 1 July, 2026

    93.2 °F

Climate (2021–2026)

Branch County Memorial Airport (12.4 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    59.7 °F
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