Bismarck, ND 14-Day Forecast
North Dakota, United States 🇺🇸
83°
Sunny right now
Today: high 83°, low 54°
Updated 20 min ago
Bismarck weather for the next 14 days
Thursday, August 27
Sunny High 84° Low 61°Precipitation
2%
· 0.0 in
Max wind
7 mph
Humidity
38%
UV index
7 - High
Sunrise / sunset
06:56 AM / 08:32 PM
Friday, August 28
Overcast High 84° Low 67°Precipitation
9%
· 0.0 in
Max wind
18 mph
Humidity
43%
UV index
7 - High
Sunrise / sunset
06:57 AM / 08:30 PM
Saturday, August 29
Overcast High 84° Low 62°Precipitation
12%
· 0.0 in
Max wind
9 mph
Humidity
64%
UV index
7 - High
Sunrise / sunset
06:59 AM / 08:29 PM
Sunday, August 30
Overcast High 87° Low 63°Precipitation
57%
· 0.04 in
Max wind
13 mph
Humidity
52%
UV index
7 - High
Sunrise / sunset
07:00 AM / 08:27 PM
Monday, August 31
Sunny High 84° Low 59°Precipitation
57%
· 0.07 in
Max wind
16 mph
Humidity
57%
UV index
7 - High
Sunrise / sunset
07:01 AM / 08:25 PM
Tuesday, September 1
Overcast High 81° Low 68°Precipitation
36%
· 0.01 in
Max wind
22 mph
Humidity
48%
UV index
6 - High
Sunrise / sunset
07:02 AM / 08:23 PM
Wednesday, September 2
Sunny High 94° Low 68°Precipitation
3%
· 0.0 in
Max wind
12 mph
Humidity
43%
UV index
8 - Very High
Sunrise / sunset
07:04 AM / 08:21 PM
Thursday, September 3
Sunny High 90° Low 74°Precipitation
1%
· 0.0 in
Max wind
11 mph
Humidity
33%
UV index
8 - Very High
Sunrise / sunset
07:05 AM / 08:19 PM
Friday, September 4
Sunny High 86° Low 72°Precipitation
2%
· 0.0 in
Max wind
14 mph
Humidity
29%
UV index
8 - Very High
Sunrise / sunset
07:06 AM / 08:17 PM
Saturday, September 5
Overcast High 72° Low 56°Precipitation
61%
· 0.13 in
Max wind
12 mph
Humidity
53%
UV index
5 - Moderate
Sunrise / sunset
07:08 AM / 08:15 PM
Sunday, September 6
Patchy rain nearby High 57° Low 45°Precipitation
71%
· 0.06 in
Max wind
15 mph
Humidity
81%
UV index
3 - Moderate
Sunrise / sunset
07:09 AM / 08:13 PM
Monday, September 7
Sunny High 66° Low 45°Precipitation
4%
· 0.0 in
Max wind
8 mph
Humidity
53%
UV index
5 - Moderate
Sunrise / sunset
07:10 AM / 08:11 PM
Tuesday, September 8
Sunny High 61° Low 45°Precipitation
8%
· 0.0 in
Max wind
9 mph
Humidity
67%
UV index
5 - Moderate
Sunrise / sunset
07:12 AM / 08:09 PM
Bismarck 14-day outlook: the story
The warmest day of Bismarck's 14-day outlook is Wednesday, September 2 with a high near 94°F (35°C); the coolest night comes Monday, September 7, dipping to 45°F (7°C). The trend points cooler: week two runs about 9°F below week one. Highs over the next two weeks average 84°F (29°C), about 3°F (2°C) above the typical August high of 81°F (27°C).
Precipitation is most likely on Sunday 30, Monday 31, Saturday 5, Sunday 6; the wettest day looks like Saturday, September 5 with about 0.13 in (3.4 mm) expected. For the weekend, expect Saturday 84°F (29°C) and overcast / Sunday 87°F (30°C) and overcast.
For typical conditions month by month, see the Bismarck climate & average temperatures guide.
Bismarck forecast questions
Will it rain in Bismarck this week?
The forecast currently shows meaningful precipitation chances on 4 of the next 14 days, peaking around Saturday, September 5.
What will be the warmest day in Bismarck over the next 14 days?
Wednesday, September 2, with a forecast high near 94°F (35°C).
How accurate is a 14-day forecast for Bismarck?
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 Bismarck by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 24° | 8° | 4 | 0.5 in | 5.9 h/day | 78% |
| February | 27° | 8° | 4 | 0.6 in | 7.8 h/day | 69% |
| March | 40° | 20° | 6 | 0.9 in | 8.9 h/day | 68% |
| April | 51° | 31° | 8 | 1.9 in | 9.3 h/day | 62% |
| May | 67° | 45° | 10 | 2.6 in | 11.4 h/day | 61% |
| June | 78° | 57° | 8 | 2.7 in | 13.1 h/day | 60% |
| July | 83° | 63° | 8 | 2.1 in | 13.5 h/day | 62% |
| August | 81° | 60° | 6 | 2.4 in | 11.8 h/day | 63% |
| September | 73° | 53° | 7 | 2.0 in | 9.9 h/day | 63% |
| October | 56° | 38° | 5 | 1.5 in | 8.0 h/day | 64% |
| November | 40° | 24° | 4 | 0.8 in | 6.5 h/day | 70% |
| December | 27° | 12° | 6 | 1.0 in | 5.6 h/day | 75% |
14-day forecasts nearby