Agate Harbor Weather Forecast
- 58
- 74
Mostly Cloudy
- 50
- 72
Rain Showers
- 50
- 62
Partly Sunny
- 52
- 63
Partly Sunny
- 50
- 64
Partly Sunny
- 51
- 65
Partly Sunny
Today 4 Jul Keweenaw
Partly cloudy with a slight chance of Thunderstorms. A chance of Showers in the Morning, then a slight chance of Showers in the afternoon. Very warm with Highs in the lower 80s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.
Tonight 4 Jul Keweenaw
Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms in the Evening, then a chance of Thunderstorms after midnight. Lows 55 to 60 inland to around 65 at the shore. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 30 percent.
Agate Harbor Temperature Statistics
July Temperature
Copper Harbor (8.7 miles)
Lowest 1 July, 2025
57.9 °FAverage July
65.9 °FHighest 1 July, 2025
75 °F
Climate (2020–Present)
Copper Harbor (8.7 miles)
Average Low 2020–2025
38.5 °FAverage 2020–2025
44.6 °FAverage High 2020–2025
50.8 °F