Rend Lake Weather Forecast

    • 10
    • 30

    Snow Showers

    • 7
    • 19

    Mostly Cloudy

    • 2
    • 17

    Partly Sunny

    • 18
    • 25

    Mostly Cloudy

    • 22
    • 33

    Mostly Cloudy

    • 27
    • 35

    Chance Rain/Snow

    • 22
    • 33

    Slight Chance Snow Showers

Today 29 Jan Franklin

Mostly cloudy. Near steady temperature in the upper 20s. Northeast Winds around 5 Mph.

Tonight 29 Jan Franklin

Mostly cloudy. A chance of Flurries this Evening, then a slight chance of snow after midnight. Cold with Lows around 9 above. Northeast Winds around 5 Mph. Chance of snow 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rend Lake Temperature Statistics

January Temperature

Mount Vernon Airport (18.6 miles)

  • Lowest 20 January, 2026

    5 °F

  • Average January

    33.9 °F

  • Highest 8 January, 2026

    66.9 °F

Climate (2021–Present)

Mount Vernon Airport (18.6 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    68.5 °F
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