Chatham Weather Forecast

    • 64
    • 87

    Increasing Clouds

    • 63
    • 84

    Mostly Cloudy

    • 53
    • 78

    Mostly Sunny

    • 50
    • 74

    Sunny

    • 56
    • 74

    Partly Sunny

    • 64
    • 76

    Mostly Cloudy

Today 13 Mar Coastal Harris

Partly sunny this Morning, then clearing. Patchy fog this morning. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 13 Mar Coastal Harris

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the mid 60s. South Winds around 10 Mph. Chance of rain 20 percent.

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Chatham Temperature Statistics

March Temperature

Houston / Ellington (16.2 miles)

  • Lowest 6 March, 2025

    46.4 °F

  • Average March

    64.2 °F

  • Highest 1 March, 2025

    80.6 °F

Climate (2020–Present)

Houston / Ellington (16.2 miles)

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  • Average Low 2020–2025

    63.6 °F

  • Average 2020–2025

    71.3 °F

  • Average High 2020–2025

    79.7 °F
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