Dorchester Weather Forecast

    • 76
    • 95

    Becoming Sunny

    • 76
    • 96

    Mostly Sunny

    • 78
    • 95

    Sunny

    • 79
    • 96

    Mostly Sunny

    • 78
    • 96

    Mostly Sunny

    • 79
    • 97

    Hot

Today 28 Jun Grayson

Mostly sunny. Highs in the mid 90s. South Winds 10 to 15 Mph.

Tonight 28 Jun Grayson

Mostly clear. Lows in the mid 70s. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dorchester Temperature Statistics

June Temperature

Sherman/Denison, Grayson County Airport (12.4 miles)

  • Lowest 14 June, 2026

    64.4 °F

  • Average June

    78.3 °F

  • Highest 1 June, 2026

    93.2 °F

Climate (2021–2026)

Sherman/Denison, Grayson County Airport (12.4 miles)

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  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    77 °F
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