Upson Lake Nature Sanctuary Weather Forecast
- 41
- 62
Chance Rain Showers
- 35
- 50
Chance Rain Showers
- 36
- 47
Partly Sunny
- 38
- 49
Partly Sunny
- 40
- 52
Chance Rain Showers
- 40
- 53
Slight Chance Rain Showers
Today 16 May Keweenaw
A chance of rain Showers with a slight chance of Thunderstorms in the afternoon. Partly cloudy. Highs 62 to 67. Temperature falling into the middle 50s in the afternoon. Southeast Winds 5 to 10 Mph, becoming south 5 to 15 Mph in the afternoon. Chance of rain 50 percent.
Tonight 16 May Keweenaw
A slight chance of Thunderstorms in the evening. Mostly cloudy with a chance of rain Showers. Lows around 41. Northeast Winds 5 to 10 Mph, becoming northwest with Gusts up to 20 Mph after midnight. Chance of rain 50 percent.
Upson Lake Nature Sanctuary Temperature Statistics
May Temperature
Copper Harbor (8.1 miles)
Lowest 8 May, 2025
33.7 °FAverage May
50.1 °FHighest 13 May, 2025
81 °F
Climate (2020–Present)
Copper Harbor (8.1 miles)
Average Low 2020–2025
38.6 °FAverage 2020–2025
44.7 °FAverage High 2020–2025
50.8 °F