Duluth 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Duluth 7-day weather forecast

Stacker created the forecast for Duluth, Minnesota using data from OpenWeather. This week's high is 80 °F on Tuesday, while the low is 52 °F on Saturday. There are expected to be 0 sunny days and rain on 4 days this week.

NWS Duluth MN has issued a dense fog advisory until Monday at 09:00 AM.

Monday, September 15

- High of 76 °F, low of 58 °F (75% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:46 AM, sunset at 7:20 PM
1 / 6
Nataliia K // Shutterstock

Tuesday, September 16

- High of 80 °F, low of 57 °F (56% humidity)
- Partly sunny with a 0% chance of rain
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:47 AM, sunset at 7:18 PM
2 / 6
Sandra Matic // Shutterstock

Wednesday, September 17

- High of 73 °F, low of 59 °F (58% humidity)
- Partly cloudy with a 33% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (5 mph wind)
- Sunrise at 6:49 AM, sunset at 7:16 PM
3 / 6
Valeriy Boyarskiy // Shutterstock

Thursday, September 18

- High of 61 °F, low of 55 °F (77% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:50 AM, sunset at 7:14 PM
4 / 6
Jaromir Chalabala // Shutterstock

Friday, September 19

- High of 56 °F, low of 53 °F (89% humidity)
- Overcast with a 89% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:51 AM, sunset at 7:12 PM
5 / 6
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Saturday, September 20

- High of 61 °F, low of 52 °F (78% humidity)
- Overcast with a 87% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:52 AM, sunset at 7:10 PM
6 / 6
IKO-studio // Shutterstock

Sunday, September 21

- High of 64 °F, low of 52 °F (75% humidity)
- Partly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:54 AM, sunset at 7:08 PM
- New moon

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