Rainbow Lake Weather Forecast

    • 53
    • 72

    Mostly Sunny

    • 57
    • 87

    Sunny

    • 61
    • 92

    Sunny

    • 64
    • 95

    Sunny

    • 59
    • 94

    Sunny

    • 54
    • 82

    Mostly Sunny

    • 60
    • 85

    Mostly Sunny

Today 18 Mar Rockwall

Sunny. Not as cool with Highs in the mid 70s. Southwest Winds 10 to 15 Mph.

Tonight 18 Mar Rockwall

Mostly clear. Lows in the lower 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

March Temperature

Rockwall Municipal Airport (3.7 miles)

  • Lowest 16 March, 2026

    33.6 °F

  • Average March

    64.4 °F

  • Highest 3 March, 2026

    83.5 °F

Climate (2021–Present)

Rockwall Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    57.7 °F

  • Average 2021–2026

    67 °F

  • Average High 2021–2026

    77.2 °F
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