Chatham Weather Forecast

    • 63
    • 84

    Increasing Clouds

    • 64
    • 81

    Mostly Cloudy

    • 65
    • 73

    Rain Showers

    • 65
    • 73

    Rain Showers

    • 68
    • 81

    Mostly Cloudy

    • 63
    • 83

    Mostly Cloudy

    • 61
    • 79

    Partly Sunny

Today 25 Mar Coastal Harris

Sunny. Highs in the mid 80s. Southeast Winds 5 to 10 Mph.

Tonight 25 Mar Coastal Harris

Partly cloudy this Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 60s. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chatham Temperature Statistics

March Temperature

Houston / Ellington (16.2 miles)

  • Lowest 21 March, 2025

    42.8 °F

  • Average March

    66.2 °F

  • Highest 13 March, 2025

    87.8 °F

Climate (2020–Present)

Houston / Ellington (16.2 miles)

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  • Average Low 2020–2025

    63.5 °F

  • Average 2020–2025

    71.3 °F

  • Average High 2020–2025

    79.7 °F
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