Barnett Lake Weather Forecast

    • 45
    • 63

    Increasing Clouds

    • 53
    • 61

    Mostly Cloudy

    • 55
    • 65

    Rain Showers

    • 55
    • 66

    Slight Chance Rain Showers

    • 44
    • 69

    Rain Showers Likely

    • 34
    • 55

    Chance Rain Showers

Today 19 Jan Lower Jefferson

Areas of frost in the morning. Sunny. Highs in the lower 60s. North Winds around 5 Mph, becoming east around 5 Mph in the afternoon.

Tonight 19 Jan Lower Jefferson

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 40s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barnett Lake Temperature Statistics

January Temperature

Beaumont/Port Arthur Southeast Texas Regional Airport (13.7 miles)

  • Lowest 15 January, 2026

    35.1 °F

  • Average January

    59.7 °F

  • Highest 9 January, 2026

    81 °F

Climate (2021–Present)

Beaumont/Port Arthur Southeast Texas Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    62.2 °F

  • Average 2021–2026

    70.7 °F

  • Average High 2021–2026

    80.8 °F
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