Duluth Weather Forecast
- 50
- 66
Rain Showers
- 50
- 69
Slight Chance Rain Showers
- 46
- 66
Partly Sunny
- 48
- 66
Mostly Cloudy
- 49
- 65
Chance Rain Showers
- 49
- 66
Chance Rain Showers
- 49
- 69
Mostly Sunny
Today 19 Jun Carlton/South St. Louis
Showers with a chance of Thunderstorms. Near steady temperature in the lower 60s. Southwest Winds 5 to 10 Mph. Chance of rain near 100 percent.
Tonight 19 Jun Carlton/South St. Louis
Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Patchy fog after midnight. Lows in the upper 40s. West Winds 5 to 10 Mph. Chance of rain 50 percent.
Duluth Temperature Statistics
June Temperature
Duluth - Sky Harbor Airport (5 miles)
Lowest 2 June, 2026
44.6 °FAverage June
55.6 °FHighest 6 June, 2026
77 °F
Climate (2021–2026)
Duluth - Sky Harbor Airport (5 miles)
Average Low 2021–2026
35.8 °FAverage 2021–2026
42.5 °FAverage High 2021–2026
49.5 °F