Saint Johns Lake Weather Forecast
- 52
- 78
Patchy Fog
- 50
- 77
Slight Chance Rain Showers
- 51
- 77
Partly Sunny
- 57
- 76
Chance Thunderstorms
- 50
- 74
Partly Sunny
- 53
- 76
Partly Sunny
- 54
- 78
Chance Rain Showers
Today 12 Aug Baraga
Sunny. Light north Winds.
Tonight 12 Aug Baraga
Mostly clear in the Evening, then becoming mostly cloudy. Patchy fog. Lows in the mid 50s. Light north Winds.
Saint Johns Lake Temperature Statistics
August Temperature
Marquette, Sawyer International Airport (34.8 miles)
Lowest 3 August, 2026
44.6 °FAverage August
63.3 °FHighest 7 August, 2026
84.2 °F
Climate (2021–2026)
Marquette, Sawyer International Airport (34.8 miles)
Average Low 2021–2026
33.1 °FAverage 2021–2026
40.9 °FAverage High 2021–2026
51.1 °F