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Weather Bismarck: Current forecast

Bismarck / North Dakota (ND) / United States

21.7 °C
Feels like 18.8 °C
Min 15 °C / Max 31 °C
Weather Bismarck: Overcast, 22 °C Overcast
13.7 mph SE
Wind
21.5 mph SE
Gusts
1013 hPa
Pressure
0 mm
Precipitation
62 %
Humidity
5
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass Low
Mugwort Low
Ragweed Moderate
06:57 / 20:30
Sunrise / Sunset
20:41 / 07:37
Moonrise / Moonset
Full Moon (98 %)
Moon phase

Updated: Aug 28, 2026, 17:20 CEST Aug 28, 2026, 10:20 CDT

Today's Summary

If you head out in Bismarck today, you'll see a overcast sky. The thermometer currently shows 21.7°C. Take an umbrella with you today – you'll probably need it. During the day temperatures will range between 15.4°C and 31.1°C.

Hourly forecast – Bismarck, today

Aug 28, 11:00
28 °C
Overcast
Bismarck Aug 28, 11:00: Overcast, 28 °C
Aug 28, 12:00
30 °C
Overcast
Bismarck Aug 28, 12:00: Overcast, 30 °C
Aug 28, 13:00
31 °C
Overcast
Bismarck Aug 28, 13:00: Overcast, 31 °C
Aug 28, 14:00
30 °C
Patchy rain possible
Bismarck Aug 28, 14:00: Patchy rain possible, 30 °C
Aug 28, 15:00
29 °C
Light rain shower
Bismarck Aug 28, 15:00: Light rain shower, 29 °C
Aug 28, 16:00
28 °C
Light rain shower
Bismarck Aug 28, 16:00: Light rain shower, 28 °C
Aug 28, 17:00
29 °C
Light rain shower
Bismarck Aug 28, 17:00: Light rain shower, 29 °C
Aug 28, 18:00
27 °C
Light rain shower
Bismarck Aug 28, 18:00: Light rain shower, 27 °C
Aug 28, 19:00
26 °C
Patchy rain possible
Bismarck Aug 28, 19:00: Patchy rain possible, 26 °C
Aug 28, 20:00
26 °C
Overcast
Bismarck Aug 28, 20:00: Overcast, 26 °C
Aug 28, 21:00
26 °C
Overcast
Bismarck Aug 28, 21:00: Overcast, 26 °C
Aug 28, 22:00
25 °C
Light rain shower
Bismarck Aug 28, 22:00: Light rain shower, 25 °C
Aug 28, 23:00
25 °C
Light rain shower
Bismarck Aug 28, 23:00: Light rain shower, 25 °C
Aug 29, 00:00
24 °C
Light rain shower
Bismarck Aug 29, 00:00: Light rain shower, 24 °C
Aug 29, 01:00
24 °C
Light rain shower
Bismarck Aug 29, 01:00: Light rain shower, 24 °C
Aug 29, 02:00
23 °C
Overcast
Bismarck Aug 29, 02:00: Overcast, 23 °C
Aug 29, 03:00
21 °C
Overcast
Bismarck Aug 29, 03:00: Overcast, 21 °C
Aug 29, 04:00
20 °C
Overcast
Bismarck Aug 29, 04:00: Overcast, 20 °C
Aug 29, 05:00
21 °C
Patchy rain possible
Bismarck Aug 29, 05:00: Patchy rain possible, 21 °C
Aug 29, 06:00
22 °C
Overcast
Bismarck Aug 29, 06:00: Overcast, 22 °C
Aug 29, 07:00
21 °C
Overcast
Bismarck Aug 29, 07:00: Overcast, 21 °C
Aug 29, 08:00
22 °C
Cloudy
Bismarck Aug 29, 08:00: Cloudy, 22 °C
Aug 29, 09:00
24 °C
Cloudy
Bismarck Aug 29, 09:00: Cloudy, 24 °C
Aug 29, 10:00
26 °C
Sunny
Bismarck Aug 29, 10:00: Sunny, 26 °C
Time
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
Bismarck Aug 28, 11:00: Overcast
Bismarck Aug 28, 12:00: Overcast
Bismarck Aug 28, 13:00: Overcast
Bismarck Aug 28, 14:00: Patchy rain possible
Bismarck Aug 28, 15:00: Light rain shower
Bismarck Aug 28, 16:00: Light rain shower
Bismarck Aug 28, 17:00: Light rain shower
Bismarck Aug 28, 18:00: Light rain shower
Bismarck Aug 28, 19:00: Patchy rain possible
Bismarck Aug 28, 20:00: Overcast
Bismarck Aug 28, 21:00: Overcast
Bismarck Aug 28, 22:00: Light rain shower
Bismarck Aug 28, 23:00: Light rain shower
Bismarck Aug 29, 00:00: Light rain shower
Bismarck Aug 29, 01:00: Light rain shower
Bismarck Aug 29, 02:00: Overcast
Bismarck Aug 29, 03:00: Overcast
Bismarck Aug 29, 04:00: Overcast
Bismarck Aug 29, 05:00: Patchy rain possible
Bismarck Aug 29, 06:00: Overcast
Bismarck Aug 29, 07:00: Overcast
Bismarck Aug 29, 08:00: Cloudy
Bismarck Aug 29, 09:00: Cloudy
Bismarck Aug 29, 10:00: Sunny
Temperature (°C)
Chance of rain (%)
11
9
10
9
36
19
58
60
24
18
20
52
42
38
37
22
25
28
35
29
25
13
9
3
Precipitation
0 mm
0.5 mm
0.2 mm
1.9 mm
1.4 mm
0.1 mm
0.5 mm
0.3 mm
0.2 mm
0.2 mm
0.1 mm
Wind (mph)
SSE
13
SSE
12
SSE
13
SSE
13
SSE
10
ESE
9
ESE
7
SE
6
SE
7
SE
4
SSW
7
SSE
7
SE
4
S
7
S
7
SSE
8
S
8
S
8
S
5
SSW
4
SW
4
SSE
1
ESE
4
SE
6
Pressure (hPa)
1011
1010
1009
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1007
1007
1008
1007
1007
1007
Humidity (%)
46 %
41 %
39 %
31 %
35 %
40 %
55 %
66 %
69 %
70 %
73 %
76 %
76 %
77 %
81 %
81 %
83 %
87 %
89 %
88 %
84 %
72 %
61 %
51 %
Cloud cover (%)
100 %
95 %
100 %
93 %
87 %
99 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
88 %
100 %
100 %
100 %
100 %
97 %
69 %
64 %
14 %

14-day weather forecast – Bismarck

14-day trend for Bismarck: Forecasts suggest a marked cooldown in the second week. Lows can drop to around 3.8°C at night, with daytime highs up to 37.8°C.

Date
Aug 28
Aug 29
Aug 30
Aug 31
Sep 1
Sep 2
Sep 3
Sep 4
Sep 5
Sep 6
Sep 7
Sep 8
Sep 9
Sep 10
Bismarck August 28, 2026: Overcast
Bismarck August 29, 2026: Overcast
Bismarck August 30, 2026: Overcast
Bismarck August 31, 2026: Sunny
Bismarck September 1, 2026: Overcast
Bismarck September 2, 2026: Sunny
Bismarck September 3, 2026: Sunny
Bismarck September 4, 2026: Sunny
Bismarck September 5, 2026: Sunny
Bismarck September 6, 2026: Sunny
Bismarck September 7, 2026: Cloudy
Bismarck September 8, 2026: Sunny
Bismarck September 9, 2026: Overcast
Bismarck September 10, 2026: Sunny
Temperature (°C)
Chance of rain (%)
69
62
62
17
7
4
3
3
4
2
10
5
16
4
Precipitation
4.1 mm
2.5 mm
3.9 mm
0.2 mm
0 mm
0 mm
0 mm
Wind max (mph)
15
13
18
17
12
14
20
22
17
9
12
11
14
9
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
August 28, 2026 Bismarck August 28, 2026: Overcast Overcast 15 °C 31 °C 06:57 20:30 20:41 07:37 Full Moon (98 %)
August 29, 2026 Bismarck August 29, 2026: Overcast Overcast 20 °C 31 °C 06:59 20:29 20:56 08:43 Waning Moon (94 %)
August 30, 2026 Bismarck August 30, 2026: Overcast Overcast 16 °C 30 °C 07:00 20:27 21:11 09:50 Waning Moon (87 %)
August 31, 2026 Bismarck August 31, 2026: Sunny Sunny 16 °C 30 °C 07:01 20:25 21:29 10:59 Waning Moon (80 %)
September 1, 2026 Bismarck September 1, 2026: Overcast Overcast 18 °C 25 °C 07:02 20:23 21:49 12:11 Waning Moon (70 %)
September 2, 2026 Bismarck September 2, 2026: Sunny Sunny 17 °C 32 °C 07:04 20:21 22:16 13:25 Last Quarter (60 %)
September 3, 2026 Bismarck September 3, 2026: Sunny Sunny 19 °C 30 °C 07:05 20:19 22:52 14:40 Last Quarter (50 %)
September 4, 2026 Bismarck September 4, 2026: Sunny Sunny 21 °C 38 °C 07:06 20:17 23:40 15:53 Last Quarter (39 %)
September 5, 2026 Bismarck September 5, 2026: Sunny Sunny 18 °C 29 °C 07:08 20:15 Does not rise today 16:57 Waning Crescent (29 %)
September 6, 2026 Bismarck September 6, 2026: Sunny Sunny 15 °C 25 °C 07:09 20:13 00:44 17:49 Waning Crescent (20 %)
September 7, 2026 Bismarck September 7, 2026: Cloudy Cloudy 16 °C 23 °C 07:10 20:11 02:01 18:28 Waning Crescent (12 %)
September 8, 2026 Bismarck September 8, 2026: Sunny Sunny 15 °C 25 °C 07:12 20:09 03:26 18:59 Waning Crescent (6 %)
September 9, 2026 Bismarck September 9, 2026: Overcast Overcast 4 °C 17 °C 07:13 20:07 04:53 19:23 New Moon (2 %)
September 10, 2026 Bismarck September 10, 2026: Sunny Sunny 5 °C 15 °C 07:14 20:05 06:19 19:43 New Moon (0 %)