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Today Hourly 7 days 30 days May
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May 2026 Weather | Sioux Falls, South Dakota

Fri 5/1
Sunny Weather
Day 66°
Night 39°
5
Sat 5/2
Sunny Weather
Day 75°
Night 48°
8
Sun 5/3
Cloudy Weather
Day 66°
Night 43°
10
Mon 5/4
Cloudy Weather
Day 61°
Night 43°
1
Tue 5/5
Partly Sunny with Showers
Day 61°
Night 41°
55
Wed 5/6
Cloudy Weather
Day 70°
Night 45°
2
Thu 5/7
Sunny Weather
Day 70°
Night 45°
0
Fri 5/8
Cloudy Weather
Day 72°
Night 48°
6
Sat 5/9
Cloudy Weather
Day 61°
Night 39°
25
Sun 5/10
Cloudy Weather
Day 61°
Night 43°
25
Mon 5/11
Rainy Weather
Day 61°
Night 46°
0
Tue 5/12
Cloudy Weather
Day 63°
Night 43°
0
Wed 5/13
Cloudy Weather
Day 63°
Night 41°
0
Thu 5/14
Sunny Weather
Day 63°
Night 43°
98
Fri 5/15
Cloudy Weather
Day 70°
Night 50°
84
Sat 5/16
Cloudy Weather
Day 73°
Night 54°
55
Sun 5/17
Cloudy Weather
Day 75°
Night 55°
0
Mon 5/18
Cloudy Weather
Day 77°
Night 54°
96
Tue 5/19
Sunny Weather
Day 73°
Night 54°
97
Wed 5/20
Rainy Weather
Day 72°
Night 55°
94
Thu 5/21
Cloudy Weather
Day 72°
Night 55°
40
Fri 5/22
Cloudy Weather
Day 77°
Night 57°
2
Sat 5/23
Rainy Weather
Day 75°
Night 57°
55
Sun 5/24
Cloudy Weather
Day 77°
Night 57°
7
Mon 5/25
Sunny Weather
Day 73°
Night 54°
4
Tue 5/26
Sunny Weather
Day 77°
Night 57°
91
Wed 5/27
Sunny Weather
Day 79°
Night 59°
40
Thu 5/28
Sunny Weather
Day 81°
Night 61°
40
Fri 5/29
Rainy Weather
Day 81°
Night 61°
49
Sat 5/30
Cloudy Weather
Day 79°
Night 61°
40
Sun 5/31
Cloudy Weather
Day 81°
Night 63°
1

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