🇺🇸 Weather in Duluth
Map Overlays:
Hourly Forecast for Duluth
15:00
20°
16%
16:00
21°
18%
17:00
21°
13%
18:00
20°
8%
19:00
19°
10%
20:00
18°
12%
21:00
17°
13%
22:00
16°
14%
23:00
16°
14%
00:00
16°
22%
01:00
15°
15%
02:00
15°
16%
03:00
15°
16%
04:00
14°
19%
05:00
14°
19%
06:00
14°
19%
07:00
14°
20%
08:00
14°
31%
09:00
14°
30%
10:00
14°
16%
11:00
16°
14%
12:00
16°
24%
13:00
16°
24%
14:00
16°
25%
14-Day Forecast for Duluth
2026-09-27
Overcast
21° /
14°
2026-09-28
Overcast
16° /
14°
2026-09-29
Overcast
19° /
14°
2026-09-30
Fog
17° /
14°
2026-10-01
Sunny
20° /
12°
2026-10-02
Sunny
14° /
10°
2026-10-03
Overcast
14° /
11°
Additional Forecasts for Duluth
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 159.0 μg/m³
O₃ (Ozone) 77.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.3 μg/m³
SO₂ (Sulphur Dioxide) 1.5 μg/m³
PM2.5 (Fine particles) 6.4 μg/m³
PM10 (Coarse particles) 6.4 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Duluth — FAQ
Answers refreshed each request based on current conditions in Duluth.
What is the weather like right now in Duluth?
Right now in Duluth, United States the temperature is 19.5°C (feels like 19.2°C), with partly cloudy. Relative humidity is 69% and wind is 7.6 km/h.
What is today's high and low temperature in Duluth?
Today's forecast high in Duluth is 21.0°C and the overnight low is 13.9°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Duluth today?
The chance of precipitation in Duluth today is 17%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Duluth differ from nearby cities?
Even short distances can change temperatures noticeably. Duluth's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.