Johnson Lake Weather Forecast
- 29
- 37
Becoming Sunny
- 35
- 45
Partly Sunny
- 39
- 51
Mostly Sunny
- 43
- 55
Mostly Cloudy
- 29
- 48
Slight Chance Rain Showers
- 31
- 42
Mostly Sunny
Today 26 Jan Lower Jefferson
Mostly sunny. Highs in the upper 30s. North Winds 10 to 15 Mph.
Tonight 26 Jan Lower Jefferson
Mostly clear. Cold with Lows in the lower 20s. North Winds 5 to 10 Mph.
Johnson Lake Temperature Statistics
January Temperature
Beaumont/Port Arthur Southeast Texas Regional Airport (13.7 miles)
Lowest 18 January, 2026
28 °FAverage January
58.7 °FHighest 9 January, 2026
82.7 °F
Climate (2021–Present)
Beaumont/Port Arthur Southeast Texas Regional Airport (13.7 miles)
Average Low 2021–2026
62.2 °FAverage 2021–2026
70.7 °FAverage High 2021–2026
80.8 °F