Mathis Airport Weather Forecast

    • 25
    • 43

    Sunny

    • 38
    • 51

    Chance Rain Showers

    • 43
    • 52

    Rain Showers Likely

    • 33
    • 51

    Rain/Sleet Likely

    • 25
    • 39

    Wintry Mix

    • 20
    • 32

    Chance Wintry Mix

    • 11
    • 33

    Partly Sunny

Today 20 Jan Forsyth

Sunny. Highs in the lower 40s. Northwest Winds 5 to 10 Mph.

Tonight 20 Jan Forsyth

Mostly clear. Lows in the mid 20s. Light northwest Winds, becoming east after midnight.

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Mathis Airport Temperature Statistics

January Temperature

Gwinnett County Airport-Briscoe Field (13.7 miles)

  • Lowest 1 January, 2026

    32 °F

  • Average January

    50.3 °F

  • Highest 7 January, 2026

    69.1 °F

Climate (2021–Present)

Gwinnett County Airport-Briscoe Field (13.7 miles)

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  • Average Low 2021–2026

    53.1 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    72.2 °F
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