O'Brien Lake Weather Forecast
- 50
- 76
Mostly Sunny
- 58
- 80
Partly Sunny
- 69
- 91
Slight Chance Thunderstorms
- 66
- 94
Chance Thunderstorms
- 61
- 86
Chance Rain
- 59
- 85
Slight Chance Thunderstorms
Today 21 Jul Alcona
Mostly sunny. Highs in the mid 70s. East Winds 5 to 10 Mph.
Tonight 21 Jul Alcona
Mostly clear. Lows in the lower 50s. Light Winds.
O'Brien Lake Temperature Statistics
July Temperature
Oscoda, Oscoda-Wurtsmith Airport (28.6 miles)
Lowest 4 July, 2025
46.4 °FAverage July
70.2 °FHighest 5 July, 2025
91.4 °F
Climate (2020–Present)
Oscoda, Oscoda-Wurtsmith Airport (28.6 miles)
Average Low 2020–2025
37.4 °FAverage 2020–2025
46.9 °FAverage High 2020–2025
55.8 °F