Merrill Heights Weather Forecast

    • 70
    • 81

    Mostly Cloudy

    • 71
    • 82

    Chance Thunderstorms

    • 67
    • 82

    Thunderstorms Likely

    • 67
    • 77

    Thunderstorms

    • 69
    • 80

    Chance Rain Showers

    • 65
    • 79

    Chance Rain Showers

Today 5 Mar Coastal Harris

Mostly cloudy this Morning, then becoming partly sunny. Highs in the lower 80s. Southeast Winds 10 to 15 Mph.

Tonight 5 Mar Coastal Harris

Mostly cloudy. Lows in the upper 60s. Southeast Winds around 10 Mph with Gusts up to 20 Mph.

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Merrill Heights Temperature Statistics

March Temperature

Houston Intercontinental Airport (19.9 miles)

  • Lowest 1 March, 2026

    59 °F

  • Average March

    71.2 °F

  • Highest 3 March, 2026

    84 °F

Climate (2021–Present)

Houston Intercontinental Airport (19.9 miles)

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  • Average Low 2021–2026

    63 °F

  • Average 2021–2026

    72 °F

  • Average High 2021–2026

    82.3 °F
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