Duluth, MN 14-Day Forecast
Minnesota, United States 🇺🇸
60°
Clear right now
Today: high 66°, low 54°
Updated 9 min ago
Duluth weather for the next 14 days
Wednesday, September 16
Sunny High 56° Low 48°Precipitation
19%
· 0.0 in
Max wind
11 mph
Humidity
77%
UV index
4 - Moderate
Sunrise / sunset
06:47 AM / 07:18 PM
Thursday, September 17
Overcast High 62° Low 54°Precipitation
25%
· 0.0 in
Max wind
10 mph
Humidity
81%
UV index
4 - Moderate
Sunrise / sunset
06:48 AM / 07:16 PM
Friday, September 18
Overcast High 56° Low 51°Precipitation
90%
· 0.64 in
Max wind
17 mph
Humidity
86%
UV index
1 - Low
Sunrise / sunset
06:50 AM / 07:14 PM
Saturday, September 19
Overcast High 56° Low 52°Precipitation
44%
· 0.01 in
Max wind
15 mph
Humidity
88%
UV index
2 - Low
Sunrise / sunset
06:51 AM / 07:12 PM
Sunday, September 20
Overcast High 58° Low 52°Precipitation
23%
· 0.0 in
Max wind
20 mph
Humidity
81%
UV index
3 - Moderate
Sunrise / sunset
06:52 AM / 07:10 PM
Monday, September 21
Overcast High 56° Low 53°Precipitation
89%
· 0.34 in
Max wind
18 mph
Humidity
88%
UV index
3 - Moderate
Sunrise / sunset
06:54 AM / 07:08 PM
Tuesday, September 22
Patchy rain nearby High 56° Low 53°Precipitation
91%
· 0.2 in
Max wind
16 mph
Humidity
96%
UV index
3 - Moderate
Sunrise / sunset
06:55 AM / 07:06 PM
Wednesday, September 23
Mist High 59° Low 56°Precipitation
48%
· 0.0 in
Max wind
6 mph
Humidity
96%
UV index
3 - Moderate
Sunrise / sunset
06:56 AM / 07:04 PM
Thursday, September 24
Sunny High 66° Low 57°Precipitation
12%
· 0.0 in
Max wind
5 mph
Humidity
80%
UV index
5 - Moderate
Sunrise / sunset
06:58 AM / 07:02 PM
Friday, September 25
Sunny High 70° Low 52°Precipitation
5%
· 0.0 in
Max wind
13 mph
Humidity
58%
UV index
6 - High
Sunrise / sunset
06:59 AM / 07:00 PM
Saturday, September 26
Sunny High 60° Low 49°Precipitation
6%
· 0.0 in
Max wind
11 mph
Humidity
56%
UV index
5 - Moderate
Sunrise / sunset
07:00 AM / 06:58 PM
Sunday, September 27
Sunny High 59° Low 46°Precipitation
7%
· 0.0 in
Max wind
7 mph
Humidity
59%
UV index
4 - Moderate
Sunrise / sunset
07:02 AM / 06:56 PM
Monday, September 28
Overcast High 61° Low 46°Precipitation
10%
· 0.0 in
Max wind
9 mph
Humidity
59%
UV index
4 - Moderate
Sunrise / sunset
07:03 AM / 06:54 PM
Duluth 14-day outlook: the story
The warmest day of Duluth's 14-day outlook is Friday, September 25 with a high near 70°F (21°C); the coolest night comes Sunday, September 27, dipping to 46°F (8°C). The trend points warmer: week two runs about 3°F above week one. Highs over the next two weeks average 58°F (15°C), about 11°F (6°C) below the typical September high of 69°F (21°C).
Precipitation is most likely on Tuesday 15, Friday 18, Monday 21, Tuesday 22; the wettest day looks like Friday, September 18 with about 0.64 in (16.1 mm) expected. For the weekend, expect Saturday 56°F (13°C) and overcast / Sunday 58°F (14°C) and overcast.
For typical conditions month by month, see the Duluth climate & average temperatures guide.
Duluth forecast questions
Will it rain in Duluth this week?
The forecast currently shows meaningful precipitation chances on 4 of the next 14 days, peaking around Friday, September 18.
What will be the warmest day in Duluth over the next 14 days?
Friday, September 25, with a forecast high near 70°F (21°C).
How accurate is a 14-day forecast for Duluth?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Duluth by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 22° | 9° | 6 | 1.0 in | 5.2 h/day | 78% |
| February | 24° | 8° | 6 | 1.2 in | 7.1 h/day | 72% |
| March | 37° | 22° | 7 | 2.1 in | 8.3 h/day | 70% |
| April | 46° | 32° | 11 | 2.9 in | 8.4 h/day | 69% |
| May | 60° | 44° | 11 | 3.6 in | 10.2 h/day | 70% |
| June | 71° | 55° | 11 | 3.6 in | 12.2 h/day | 72% |
| July | 78° | 63° | 10 | 3.4 in | 12.6 h/day | 73% |
| August | 75° | 62° | 10 | 3.8 in | 10.8 h/day | 74% |
| September | 69° | 56° | 10 | 3.5 in | 9.2 h/day | 75% |
| October | 54° | 43° | 10 | 3.0 in | 6.5 h/day | 72% |
| November | 40° | 29° | 9 | 2.5 in | 5.1 h/day | 72% |
| December | 28° | 16° | 10 | 2.6 in | 4.2 h/day | 78% |
14-day forecasts nearby