See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:53
Sunrise
19:12
Sunset
Moon
Waxing Crescent
12:09
Moonrise
20:26
Moonset
Daily Forecast
Tuesday
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Duluth.
Resources
UV Index
Humidity
Weather in Duluth tomorrow, September 16, 2026
Duluth stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The first half of the day looks overcast, as cloud amounts reach about 100% around 11:00. Brighter weather, if it comes, waits until later.
Temperatures climb from an overnight low near 11°C toward a daytime high of about 22°C. Expect humidity between 44% and 87%, most humid near 07:00. Expect gentle winds, highest near 16:00 at 5.6 km/h.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays near 16.1 km. The sun rises at 06:54 and sets at 19:10, for a total of 12 hours 15 minutes of sunlight today.
Taken together, overcast skies in Duluth on September 16, 2026 favour indoor or covered options, with temperatures near 22°C.
Frequently asked questions about weather in Duluth
How warm does it get in Duluth?
The warmest month in Duluth is August, with average high temperatures of 22°C. The average temperature during this period is around 19°C.
How cold does it get in Duluth?
The coldest month in Duluth is January, with average low temperatures of -12°C. The average temperature during this period is around -9°C.
What is the wettest time of year in Duluth?
The wettest month in Duluth is September, with an average of 116mm of precipitation.
What is the driest time of year in Duluth?
The driest month in Duluth is January, with an average of 26mm of precipitation.
Explore more weather forecasts
- Cloquet, Minnesota
- New York City, New York
- Hibbing, Minnesota
- Los Angeles, California
- Grand Rapids, Minnesota
- Brooklyn, New York
- North Branch, Minnesota
- Chicago, Illinois
- Brainerd, Minnesota
- Houston, Texas
- Forest Lake, Minnesota
- Queens, New York
- East Bethel, Minnesota
- Phoenix, Arizona
- Ham Lake, Minnesota
- Philadelphia, Pennsylvania
