Dorchester Weather Forecast

    • 58
    • 87

    Rain Showers Likely

    • 58
    • 75

    Thunderstorms Likely

    • 58
    • 75

    Rain Showers Likely

    • 61
    • 70

    Chance Rain Showers

    • 64
    • 84

    Partly Sunny

    • 46
    • 81

    Partly Sunny

    • 49
    • 67

    Partly Sunny

Today 25 Mar Grayson

Sunny with a 20 percent chance of Showers and Thunderstorms. Warmer with Highs in the upper 80s. South Winds around 5 Mph.

Tonight 25 Mar Grayson

Mostly clear in the Evening, then becoming mostly cloudy. A chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Lows in the upper 50s. East Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dorchester Temperature Statistics

March Temperature

Sherman/Denison, Grayson County Airport (12.4 miles)

  • Lowest 6 March, 2025

    34 °F

  • Average March

    57.7 °F

  • Highest 13 March, 2025

    82.4 °F

Climate (2020–Present)

Sherman/Denison, Grayson County Airport (12.4 miles)

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  • Average Low 2020–2025

    55.1 °F

  • Average 2020–2025

    63.8 °F

  • Average High 2020–2025

    76.1 °F
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