Bismarck, ND 14-Day Forecast
North Dakota, United States 🇺🇸
85°
Overcast right now
Today: high 89°, low 58°
Updated 5 hours ago
Bismarck weather for the next 14 days
Tuesday, August 18
Sunny High 81° Low 59°Precipitation
17%
· 0.0 in
Max wind
11 mph
Humidity
45%
UV index
6 - Moderate
Sunrise / sunset
06:44 AM / 08:49 PM
Wednesday, August 19
Sunny High 84° Low 65°Precipitation
68%
· 0.73 in
Max wind
20 mph
Humidity
55%
UV index
6 - High
Sunrise / sunset
06:46 AM / 08:47 PM
Thursday, August 20
Sunny High 88° Low 65°Precipitation
8%
· 0.0 in
Max wind
6 mph
Humidity
53%
UV index
6 - High
Sunrise / sunset
06:47 AM / 08:45 PM
Friday, August 21
Sunny High 87° Low 67°Precipitation
17%
· 0.0 in
Max wind
12 mph
Humidity
44%
UV index
6 - High
Sunrise / sunset
06:48 AM / 08:43 PM
Saturday, August 22
Sunny High 85° Low 66°Precipitation
6%
· 0.0 in
Max wind
9 mph
Humidity
42%
UV index
7 - High
Sunrise / sunset
06:50 AM / 08:42 PM
Sunday, August 23
Overcast High 87° Low 73°Precipitation
36%
· 0.03 in
Max wind
11 mph
Humidity
52%
UV index
8 - Very High
Sunrise / sunset
06:51 AM / 08:40 PM
Monday, August 24
Sunny High 86° Low 68°Precipitation
1%
· 0.0 in
Max wind
13 mph
Humidity
43%
UV index
8 - Very High
Sunrise / sunset
06:52 AM / 08:38 PM
Tuesday, August 25
Sunny High 86° Low 68°Precipitation
1%
· 0.0 in
Max wind
10 mph
Humidity
33%
UV index
7 - High
Sunrise / sunset
06:53 AM / 08:36 PM
Wednesday, August 26
Sunny High 86° Low 66°Precipitation
3%
· 0.0 in
Max wind
10 mph
Humidity
33%
UV index
8 - Very High
Sunrise / sunset
06:55 AM / 08:34 PM
Thursday, August 27
Sunny High 90° Low 68°Precipitation
4%
· 0.0 in
Max wind
13 mph
Humidity
37%
UV index
8 - Very High
Sunrise / sunset
06:56 AM / 08:32 PM
Friday, August 28
Sunny High 98° Low 75°Precipitation
2%
· 0.0 in
Max wind
16 mph
Humidity
42%
UV index
9 - Very High
Sunrise / sunset
06:57 AM / 08:30 PM
Saturday, August 29
Thundery outbreaks in nearby High 97° Low 73°Precipitation
7%
· 0.0 in
Max wind
20 mph
Humidity
45%
UV index
8 - Very High
Sunrise / sunset
06:59 AM / 08:29 PM
Sunday, August 30
Thundery outbreaks in nearby High 92° Low 76°Precipitation
7%
· 0.0 in
Max wind
9 mph
Humidity
50%
UV index
7 - High
Sunrise / sunset
07:00 AM / 08:27 PM
Bismarck 14-day outlook: the story
The warmest day of Bismarck's 14-day outlook is Friday, August 28 with a high near 98°F (36°C); the coolest night comes Monday, August 17, dipping to 58°F (14°C). The trend points warmer: week two runs about 5°F above week one. Highs over the next two weeks average 86°F (30°C), about 5°F (3°C) above the typical August high of 81°F (27°C).
Precipitation is most likely on Wednesday 19; the wettest day looks like Wednesday, August 19 with about 0.73 in (18.6 mm) expected. For the weekend, expect Saturday 85°F (29°C) and sunny / 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 1 of the next 14 days, peaking around Wednesday, August 19.
What will be the warmest day in Bismarck over the next 14 days?
Friday, August 28, with a forecast high near 98°F (36°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