Saint Johns Lake Weather Forecast
- 52
- 73
Chance Thunderstorms
- 51
- 80
Mostly Sunny
- 55
- 81
Mostly Sunny
- 58
- 83
Slight Chance Thunderstorms
- 62
- 87
Mostly Sunny
- 63
- 89
Partly Sunny
Today 8 Jul Baraga
Cloudy with a slight chance of Thunderstorms. A chance of Showers late this Morning, then a slight chance of Showers this afternoon. Near steady temperature around 70. Northwest Winds 5 to 10 Mph, becoming light north this afternoon. Chance of rain 40 percent.
Tonight 8 Jul Baraga
Mostly cloudy. Patchy fog after midnight. Lows 50 to 55. Light north Winds.
Saint Johns Lake Temperature Statistics
July Temperature
Marquette, Sawyer International Airport (34.8 miles)
Lowest 6 July, 2026
48.2 °FAverage July
67.7 °FHighest 1 July, 2026
87.8 °F
Climate (2021–2026)
Marquette, Sawyer International Airport (34.8 miles)
Average Low 2021–2026
33 °FAverage 2021–2026
40.8 °FAverage High 2021–2026
51 °F