Rainbow Lake Weather Forecast

    • 23
    • 34

    Mostly Sunny

    • 34
    • 52

    Sunny

    • 52
    • 65

    Mostly Cloudy

    • 36
    • 64

    Partly Sunny

    • 30
    • 55

    Mostly Sunny

    • 39
    • 56

    Mostly Sunny

Today 31 Jan Rockwall

Sunny, cooler with Highs in the lower 30s. North Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph this afternoon. Wind chill Values as low as 2 above this morning.

Tonight 31 Jan Rockwall

Mostly clear in the Evening, then becoming partly cloudy. Cold with Lows in the lower 20s. Light and variable Winds, becoming southeast around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

January Temperature

Rockwall Municipal Airport (3.7 miles)

  • Lowest 25 January, 2026

    13.8 °F

  • Average January

    46.4 °F

  • Highest 7 January, 2026

    78.1 °F

Climate (2021–Present)

Rockwall Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    57.5 °F

  • Average 2021–2026

    66.7 °F

  • Average High 2021–2026

    76.9 °F
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