Dorchester Weather Forecast

    • 76
    • 91

    Chance Thunderstorms

    • 67
    • 84

    Rain Showers

    • 66
    • 78

    Chance Thunderstorms

    • 71
    • 85

    Partly Sunny

    • 76
    • 91

    Mostly Sunny

    • 73
    • 90

    Chance Thunderstorms

    • 73
    • 87

    Chance Thunderstorms

Today 13 Jun Grayson

Sunny. Highs in the lower 90s. South Winds around 10 Mph.

Tonight 13 Jun Grayson

Mostly clear this Evening, then partly cloudy with a 50 percent chance of Showers and Thunderstorms after midnight. Lows in the mid 70s. South Winds 5 to 10 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 6 June, 2026

    68 °F

  • Average June

    78.7 °F

  • Highest 1 June, 2026

    93.2 °F

Climate (2021–Present)

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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