Johnson Lake Weather Forecast
- 78
- 93
Partly Sunny
- 75
- 92
Rain Showers Likely
- 72
- 84
Rain Showers
- 73
- 83
Rain Showers Likely
- 77
- 88
Slight Chance Thunderstorms
- 78
- 91
Mostly Sunny
Today 13 Jun Washington
Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. South Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 13 Jun Washington
Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 70s. South Winds 5 to 10 Mph.
Johnson Lake Temperature Statistics
June Temperature
Brenham, Brenham Municipal Airport (6.2 miles)
Lowest 3 June, 2026
68.2 °FAverage June
79.9 °FHighest 2 June, 2026
92.7 °F
Climate (2021–Present)
Brenham, Brenham Municipal Airport (6.2 miles)
Average Low 2021–2026
60.9 °FAverage 2021–2026
70.7 °FAverage High 2021–2026
81.6 °F