Johnson Lake Weather Forecast
- 60
- 89
Mostly Sunny
- 64
- 87
Increasing Clouds
- 70
- 87
Chance Rain Showers
- 64
- 91
Chance Thunderstorms
- 56
- 85
Sunny
- 66
- 89
Mostly Sunny
- 64
- 90
Mostly Sunny
Today 15 Oct Grimes
Sunny. Near steady temperature in the upper 80s. Northeast Winds around 5 Mph.
Tonight 15 Oct Grimes
Mostly clear. Lows in the lower 60s. East Winds around 5 Mph.
Johnson Lake Temperature Statistics
October Temperature
Bryan Coulter Field (14.3 miles)
Lowest 11 October, 2025
57.9 °FAverage October
77.5 °FHighest 2 October, 2025
94.6 °F
Climate (2020–Present)
Bryan Coulter Field (14.3 miles)
Average Low 2020–2025
59.2 °FAverage 2020–2025
69 °FAverage High 2020–2025
79.7 °F