Duluth International Airport Weather Forecast
- 3
- 31
Blizzard
- -2
- 10
Snow Likely
- 3
- 20
Snow Likely
- -9
- 9
Chance Snow
- -7
- 4
Cold
- -1
- 11
Mostly Cloudy
Today 28 Dec Carlton/South St. Louis
Snow likely with possible freezing rain and freezing drizzle in the Morning, then snow in the afternoon. Patchy fog in the morning. Patchy blowing snow in the afternoon. Snow accumulation of 2 to 4 Inches. Ice accumulation around a trace. Highs in the lower 30s. Temperature falling to around 18 in the afternoon. North Winds 5 to 10 Mph, increasing to northwest 15 to 20 Mph in the afternoon. Chance of precipitation 90 percent. Wind chill Values as low as 2 below in the afternoon.
Tonight 28 Dec Carlton/South St. Louis
Snow. Patchy blowing snow. Additional light snow accumulation. Much cooler with Lows around 2 above. Northwest Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of snow 80 percent. Wind chill Values as low as 18 below.
Duluth International Airport Temperature Statistics
December Temperature
Duluth International Airport (0 miles)
Lowest 13 December, 2025
-16.1 °FAverage December
11.3 °FHighest 16 December, 2025
43 °F
Climate (2020–Present)
Duluth International Airport (0 miles)
Average Low 2020–2025
33.6 °FAverage 2020–2025
42.4 °FAverage High 2020–2025
51.2 °F