Duluth, MN 14-Day Forecast
Minnesota, United States 🇺🇸
66°
Light drizzle right now
Today: high 74°, low 63°
Updated 3 hours ago
Duluth weather for the next 14 days
Thursday, August 27
Sunny High 72° Low 58°Precipitation
5%
· 0.0 in
Max wind
15 mph
Humidity
67%
UV index
6 - High
Sunrise / sunset
06:21 AM / 07:58 PM
Friday, August 28
Sunny High 63° Low 56°Precipitation
14%
· 0.0 in
Max wind
13 mph
Humidity
80%
UV index
5 - Moderate
Sunrise / sunset
06:23 AM / 07:56 PM
Saturday, August 29
Overcast High 74° Low 57°Precipitation
35%
· 0.01 in
Max wind
18 mph
Humidity
81%
UV index
5 - Moderate
Sunrise / sunset
06:24 AM / 07:54 PM
Sunday, August 30
Overcast High 70° Low 59°Precipitation
79%
· 0.08 in
Max wind
15 mph
Humidity
91%
UV index
5 - Moderate
Sunrise / sunset
06:25 AM / 07:52 PM
Monday, August 31
Patchy rain nearby High 66° Low 59°Precipitation
90%
· 0.2 in
Max wind
11 mph
Humidity
96%
UV index
4 - Moderate
Sunrise / sunset
06:27 AM / 07:50 PM
Tuesday, September 1
Overcast High 77° Low 62°Precipitation
73%
· 0.1 in
Max wind
11 mph
Humidity
77%
UV index
5 - Moderate
Sunrise / sunset
06:28 AM / 07:48 PM
Wednesday, September 2
Partly Cloudy High 65° Low 57°Precipitation
19%
· 0.0 in
Max wind
16 mph
Humidity
86%
UV index
5 - Moderate
Sunrise / sunset
06:29 AM / 07:46 PM
Thursday, September 3
Thundery outbreaks in nearby High 65° Low 57°Precipitation
88%
· 0.34 in
Max wind
18 mph
Humidity
94%
UV index
4 - Moderate
Sunrise / sunset
06:30 AM / 07:44 PM
Friday, September 4
Partly Cloudy High 74° Low 61°Precipitation
86%
· 0.42 in
Max wind
14 mph
Humidity
87%
UV index
6 - High
Sunrise / sunset
06:32 AM / 07:42 PM
Saturday, September 5
Sunny High 76° Low 55°Precipitation
57%
· 0.05 in
Max wind
12 mph
Humidity
64%
UV index
6 - High
Sunrise / sunset
06:33 AM / 07:40 PM
Sunday, September 6
Overcast High 65° Low 58°Precipitation
80%
· 0.43 in
Max wind
8 mph
Humidity
69%
UV index
4 - Moderate
Sunrise / sunset
06:34 AM / 07:38 PM
Monday, September 7
Light rain shower High 68° Low 59°Precipitation
77%
· 0.14 in
Max wind
8 mph
Humidity
87%
UV index
5 - Moderate
Sunrise / sunset
06:36 AM / 07:36 PM
Tuesday, September 8
Patchy rain nearby High 60° Low 55°Precipitation
38%
· 0.01 in
Max wind
7 mph
Humidity
80%
UV index
3 - Moderate
Sunrise / sunset
06:37 AM / 07:34 PM
Duluth 14-day outlook: the story
The warmest day of Duluth's 14-day outlook is Tuesday, September 1 with a high near 77°F (25°C); the coolest night comes Saturday, September 5, dipping to 55°F (13°C). The trend points cooler: week two runs about 4°F below week one. Highs over the next two weeks average 71°F (22°C), about 4°F (2°C) below the typical August high of 75°F (24°C).
Precipitation is most likely on Wednesday 26, Sunday 30, Monday 31, Tuesday 1 and beyond; the wettest day looks like Sunday, September 6 with about 0.43 in (10.9 mm) expected. For the weekend, expect Saturday 74°F (24°C) and overcast / Sunday 70°F (21°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 9 of the next 14 days, peaking around Sunday, September 6.
What will be the warmest day in Duluth over the next 14 days?
Tuesday, September 1, with a forecast high near 77°F (25°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