Duluth, MN 14-Day Forecast
Minnesota, United States 🇺🇸
The 14-day forecast for Duluth is temporarily unavailable - please check back shortly. Meanwhile, the monthly averages below give a reliable picture of what to expect.
Duluth 14-day outlook: the story
Aim for May to September if you get the choice: these are the warmest and brightest weeks of the year, and highs average 71°F (22°C) against roughly 11 wet days a month. For the same question asked the other way round, see where else is warm in May.
For typical conditions month by month, see the Duluth climate & average temperatures guide.
Average temperatures in Duluth by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 22° | 9° | 6 | 1.0 in | 5.2 h/day | 8.9 h | 21% | 78% |
| February | 24° | 8° | 6 | 1.2 in | 7.1 h/day | 10.2 h | 21% | 72% |
| March | 37° | 22° | 7 | 2.1 in | 8.3 h/day | 11.8 h | 24% | 70% |
| April | 46° | 32° | 11 | 2.9 in | 8.4 h/day | 13.5 h | 38% | 69% |
| May | 60° | 44° | 11 | 3.6 in | 10.2 h/day | 15.0 h | 35% | 70% |
| June | 71° | 55° | 11 | 3.6 in | 12.2 h/day | 15.8 h | 37% | 72% |
| July | 78° | 63° | 10 | 3.4 in | 12.6 h/day | 15.5 h | 33% | 73% |
| August | 75° | 62° | 10 | 3.8 in | 10.8 h/day | 14.2 h | 34% | 74% |
| September | 69° | 56° | 10 | 3.5 in | 9.2 h/day | 12.5 h | 33% | 75% |
| October | 54° | 43° | 10 | 3.0 in | 6.5 h/day | 10.8 h | 33% | 72% |
| November | 40° | 29° | 9 | 2.5 in | 5.1 h/day | 9.3 h | 29% | 72% |
| December | 28° | 16° | 10 | 2.6 in | 4.2 h/day | 8.6 h | 31% | 78% |
14-day forecasts nearby