Duluth International Airport Weather Forecast
- 25
- 42
Chance Snow
- 21
- 32
Chance Snow
- 25
- 35
Slight Chance Snow
- 21
- 35
Snow Likely
- 12
- 33
Slight Chance Snow
- 15
- 32
Chance Snow
Today 9 Mar Carlton/South St. Louis
Mostly sunny. Highs in the mid 40s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph.
Tonight 9 Mar Carlton/South St. Louis
Mostly cloudy with a 50 percent chance of snow. Snow accumulation around an inch possible. Lows in the mid 20s. North Winds 5 to 10 Mph.
Duluth International Airport Temperature Statistics
March Temperature
Duluth International Airport (0 miles)
Lowest 1 March, 2026
-10.4 °FAverage March
26.7 °FHighest 4 March, 2026
48 °F
Climate (2021–Present)
Duluth International Airport (0 miles)
Average Low 2021–2026
33.6 °FAverage 2021–2026
42.4 °FAverage High 2021–2026
51.2 °F