Johnson Lake Weather Forecast
- 66
- 84
Rain Showers Likely
- 66
- 88
Chance Rain Showers
- 68
- 90
Partly Sunny
- 63
- 86
Partly Sunny
- 62
- 85
Chance Thunderstorms
- 66
- 87
Slight Chance Thunderstorms
- 64
- 88
Slight Chance Thunderstorms
Today 28 Aug Brookings
Partly sunny. Highs in the mid 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.
Tonight 28 Aug Brookings
Mostly cloudy with a chance of Thunderstorms. A chance of Showers this Evening, then Showers likely after midnight. Warmer with Lows in the mid 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.
Johnson Lake Temperature Statistics
August Temperature
Brookings, Brookings Municipal Airport (13.7 miles)
Lowest 5 August, 2026
46 °FAverage August
70.2 °FHighest 3 August, 2026
86 °F
Climate (2021–2026)
Brookings, Brookings Municipal Airport (13.7 miles)
Average Low 2021–2026
35.3 °FAverage 2021–2026
45.5 °FAverage High 2021–2026
55.6 °F