Duluth, MN Weather Forecast
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Duluth Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Chance of T-Storm | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Sunny |
| Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C |
| POP: 40% | POP: 30% | POP: 40% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 616 PM CDT Fri Aug 21 2026 

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Issued: 647 PM CDT Fri Aug 21 2026
Key Messages
- Scattered rain showers and non-severe thunderstorms possible this afternoon and evening, with the best chance for the Borderlands and MN Arrowhead.
- Fairly dry and sunny weekend on tap with lower dewpoints, fairly average temperatures, and a northwest breeze. Sunday morning could be chilly with morning lows in the 40s.
- Next chance of precipitation early next week.
Discussion
... Issued at 1146 AM CDT Fri Aug 21 2026
A low pressure system to our north continues to influence our weather to...
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