Bismarck weather live forecast

Today's maximum temperature in Bismarck is expected to be 21°C. Select a day from the live weather forecast for Bismarck, North Dakota, USA for more weather parameters.

Thursday
21st May
21

9

9

UV4
Friday
22nd May
14

10

1

UV1
Saturday
23rd May
21

8

4

UV5
Sunday
24th May
28

9

11

UV7
Monday
25th May
32

13

14

UV6

5-day weather forecast updated at 04:00 on Thursday 21st May 2026 GMT

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The 5-day weather forecast for North Dakota (Bismarck) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Bismarck weather forecast by day

Below are the detailed weather forecasts for Bismarck for the next 5 days.

Bismarck weather for Thursday 21st May 2026

Expect sunshine and showers in Bismarck, North Dakota with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a moderate breeze of 27 kph from the south.

21
°C maximum temperature
9
°C minimum temperature
sunshine and showers
9
hours of sunshine
UV4
UV index (Moderate)
34
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
27
kph wind from S

Bismarck weather for Friday 22nd May 2026

Expect mostly cloudy with rain in Bismarck, North Dakota with a maximum temperature of 14°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 54% chance of some rain and a gentle breeze of 15 kph from the south-east.

14
°C maximum temperature
10
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
UV1
UV index (Low)
54
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
15
kph wind from SE

Bismarck weather for Saturday 23rd May 2026

Expect mostly cloudy with light rain in Bismarck, North Dakota with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 6% chance of some rain and a light breeze of 11 kph from the west.

21
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
UV5
UV index (Moderate)
6
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
11
kph wind from W

Bismarck weather for Sunday 24th May 2026

Expect scattered clouds in Bismarck, North Dakota with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south.

28
°C maximum temperature
9
°C minimum temperature
scattered clouds
11
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
21
kph wind from S

Bismarck weather for Monday 25th May 2026

Expect scattered clouds in Bismarck, North Dakota with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.