Duluth, MN 14-Day Forecast
Minnesota, United States 🇺🇸
77°
Partly Cloudy right now
Today: high 81°, low 60°
Updated 4 hours ago
Duluth weather for the next 14 days
Tuesday, August 18
Overcast High 75° Low 60°Precipitation
73%
· 2.19 in
Max wind
10 mph
Humidity
64%
UV index
6 - High
Sunrise / sunset
06:10 AM / 08:14 PM
Wednesday, August 19
Sunny High 76° Low 56°Precipitation
4%
· 0.0 in
Max wind
8 mph
Humidity
51%
UV index
6 - Moderate
Sunrise / sunset
06:11 AM / 08:12 PM
Thursday, August 20
Sunny High 65° Low 57°Precipitation
6%
· 0.0 in
Max wind
11 mph
Humidity
63%
UV index
6 - High
Sunrise / sunset
06:12 AM / 08:10 PM
Friday, August 21
Sunny High 83° Low 59°Precipitation
17%
· 0.01 in
Max wind
12 mph
Humidity
61%
UV index
6 - High
Sunrise / sunset
06:14 AM / 08:09 PM
Saturday, August 22
Sunny High 78° Low 63°Precipitation
3%
· 0.0 in
Max wind
6 mph
Humidity
55%
UV index
7 - High
Sunrise / sunset
06:15 AM / 08:07 PM
Sunday, August 23
Overcast High 67° Low 60°Precipitation
13%
· 0.0 in
Max wind
15 mph
Humidity
66%
UV index
5 - Moderate
Sunrise / sunset
06:16 AM / 08:05 PM
Monday, August 24
Light rain shower High 60° Low 57°Precipitation
91%
· 0.32 in
Max wind
17 mph
Humidity
94%
UV index
4 - Moderate
Sunrise / sunset
06:17 AM / 08:03 PM
Tuesday, August 25
Mist High 72° Low 58°Precipitation
69%
· 0.04 in
Max wind
11 mph
Humidity
89%
UV index
6 - High
Sunrise / sunset
06:19 AM / 08:01 PM
Wednesday, August 26
Sunny High 70° Low 59°Precipitation
13%
· 0.0 in
Max wind
4 mph
Humidity
79%
UV index
6 - High
Sunrise / sunset
06:20 AM / 07:59 PM
Thursday, August 27
Sunny High 66° Low 58°Precipitation
14%
· 0.0 in
Max wind
10 mph
Humidity
82%
UV index
5 - Moderate
Sunrise / sunset
06:21 AM / 07:58 PM
Friday, August 28
Mist High 67° Low 58°Precipitation
17%
· 0.0 in
Max wind
8 mph
Humidity
87%
UV index
5 - Moderate
Sunrise / sunset
06:23 AM / 07:56 PM
Saturday, August 29
Sunny High 85° Low 62°Precipitation
8%
· 0.0 in
Max wind
8 mph
Humidity
68%
UV index
7 - High
Sunrise / sunset
06:24 AM / 07:54 PM
Sunday, August 30
Light rain shower High 76° Low 65°Precipitation
88%
· 0.43 in
Max wind
8 mph
Humidity
85%
UV index
5 - Moderate
Sunrise / sunset
06:25 AM / 07:52 PM
Duluth 14-day outlook: the story
The warmest day of Duluth's 14-day outlook is Saturday, August 29 with a high near 85°F (29°C); the coolest night comes Wednesday, August 19, dipping to 56°F (13°C). The trend points cooler: week two runs about 4°F below week one. Highs over the next two weeks average 75°F (24°C), right in line with the typical August high of 75°F (24°C).
Precipitation is most likely on Monday 17, Tuesday 18, Monday 24, Tuesday 25 and beyond; the wettest day looks like Tuesday, August 18 with about 2.19 in (55.7 mm) expected. For the weekend, expect Saturday 78°F (26°C) and sunny / Sunday 67°F (19°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 5 of the next 14 days, peaking around Tuesday, August 18.
What will be the warmest day in Duluth over the next 14 days?
Saturday, August 29, with a forecast high near 85°F (29°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