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Duluth weather

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Duluth weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Duluth weather in numbers

from 30 years of measured normals

Duluth swings 52°F across the year, from 89°F highs in July to 37°F lows in January, and January is usually the wettest month in a year that brings about 54 in of precipitation.

Warmest month
July
89°F average high
Coldest month
January
37°F average low
Wettest month
January
54 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
February, March, April and May
Residents
29,000
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The weather map: all three models at once

NWS, American, European side by side around Duluth and nearby towns.Live rain radar →
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Duluth hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Duluth 10-day forecast, out to 14 days

where the models agree, and where they split

Duluth, Georgia (GA) is at its warmest in Jul (average highs near 89°F) and coldest in Jan (lows around 37°F), with roughly 54 in of precipitation across the year. Below, compare what NWS, American, European forecast for Duluth right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Duluth climate by month

average daytime high and overnight low across a typical year
Jan
53°
37°
Feb
61°
42°
Mar
65°
45°
Apr
71°
51°
May
78°
60°
Jun
86°
66°
Jul
89°
71°
Aug
89°
70°
Sep
82°
64°
Oct
74°
54°
Nov
64°
47°
Dec
55°
38°

Which forecast is most accurate in Duluth?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
90
/100rank #1
93±0.7°F97±1.1 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
71
/100rank #2
88±1.2°F94±2.0 mph3665% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Duluth today?
On this page we show what NWS, American, European each forecast for Duluth today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Duluth today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Duluth and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Duluth?
Over the last 30 days, the European model has been the most accurate for Duluth (CheckWeather Score 90/100), ahead of the American at 71. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Duluth?
July is typically the warmest month in Duluth, with average highs around 89°F.
How cold does Duluth get?
The coldest month in Duluth is January, when overnight lows average about 37°F.
How much rain does Duluth get?
Duluth sees roughly 54 in of precipitation a year, with January usually the wettest month.

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