
October Climate Normals for Duluth, Minnesota
Normal high on the 1st: 60
Normal high on the 31st: 45
Normal low on the 1st: 41
Normal low on the 31st: 30
Average monthly temperature for October: 44.2 degrees
Warmest: 55.9 degrees set in 1963
Coldest: 33.5 degrees set in 1917
Normal Precipitation for October: 2.91″
Wettest October on record: 7.53″ set in 1949
Driest October on record: 0.09″ set in 1895
Normal Snowfall for October: 2.7″
Snowiest October on record: 14.0″ set in 1933
Mean date for first 0.1″ snowfall at Duluth: October 22
Mean date for last 70 degree temperature at Duluth: October 10
Top 5 Snowiest Octobers on record at Duluth, Minnesota
1: 14.0″ set in 1933
2: 12.0″ set in 2020
3: 11.5″ set in 1925
4: 11.1″ set in 2017
5: 9.7″ set in 1995
Past October Snowfall Totals for Duluth, Minnesota
(2000-2020)
2000: Trace
2001: 2.0″
2002: 6.3″
2003: 4.5″
2004: Trace
2005: 0.1″
2006: 4.1″
2007: Trace
2008: 0.2″
2009: 3.7″
2010: 7.7″
2011: Trace
2012: 1.1″
2013: 0.3″
2014: 0.1″
2015: Trace
2016: Trace
2017: 11.1″
2018: 1.5″
2019: 0.9″
2020: 12.0″
Long Range Forecast for October 2021 per CFS model.
Temperatures: Above normal temperatures are forecast for northeast Minnesota and northwest Wisconsin per last 15 model runs from the CFS model.

Precipitation: There seems to be a little more uncertainty in the precipitation forecast for northeast Minnesota and northwest Wisconsin for October 2021, but the trend over the last few model runs is for normal to above normal precipitation totals across the Northland.

Tim