National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Duluth - Sky Harbor Airport (KDYT)

Lat: 46.72°NLon: 92.04°WElev: 607ft.

Fair

39°F

4°C

Humidity 87%
Wind Speed NE 15 mph
Barometer 30.37 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 21 May 7:35 am CDT
Extended Forecast for

Duluth MN

Frost Advisory May 21, 07:41am until May 21, 08:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory May 21, 07:41am until May 21, 08:00am

    NOW until 8:00am Thu

    Frost Advisory

  • Today

    High: 56 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Breezy, with a northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 55. Breezy, with an east wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 55 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Showers, mainly after 1am. Low around 42. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 54. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43. Northeast wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70. West wind 5 to 10 mph.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. Southwest wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 56. Breezy, with an east wind 5 to 15 mph.
Tonight
Partly cloudy, with a low around 39. Breezy, with a northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 55. Breezy, with an east wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Showers, mainly after 1am. Low around 42. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 54. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 43. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 70. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 49. Southwest wind around 5 mph becoming calm in the evening.
Memorial Day
Sunny, with a high near 75. South wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 53. Southeast wind around 5 mph.
Tuesday
Sunny, with a high near 74. Southeast wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 51. East wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 67. East wind 5 to 10 mph, with gusts as high as 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Duluth MN
 46.79°N 92.1°W
Last Update:
5:16 am CDT May 21, 2026
Forecast Valid:
7am CDT May 21, 2026-6pm CDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation