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

Fri 5/1
Cloudy Weather
Day 55°
Night 32°
1
Sat 5/2
Partly Sunny with Showers
Day 66°
Night 41°
60
Sun 5/3
Cloudy Weather
Day 61°
Night 39°
20
Mon 5/4
Cloudy Weather
Day 59°
Night 39°
55
Tue 5/5
Rainy Weather
Day 59°
Night 34°
55
Wed 5/6
Cloudy Weather
Day 59°
Night 37°
2
Thu 5/7
Rainy Weather
Day 61°
Night 37°
60
Fri 5/8
Rainy Weather
Day 59°
Night 39°
60
Sat 5/9
Cloudy Weather
Day 61°
Night 39°
2
Sun 5/10
Cloudy Weather
Day 75°
Night 54°
25
Mon 5/11
Rainy Weather
Day 59°
Night 43°
65
Tue 5/12
Cloudy Weather
Day 59°
Night 39°
Wed 5/13
Cloudy Weather
Day 59°
Night 37°
Thu 5/14
Cloudy Weather
Day 59°
Night 39°
Fri 5/15
Cloudy Weather
Day 66°
Night 46°
Sat 5/16
Cloudy Weather
Day 72°
Night 50°
Sun 5/17
Cloudy Weather
Day 72°
Night 52°
Mon 5/18
Sunny Weather
Day 73°
Night 50°
Tue 5/19
Cloudy Weather
Day 68°
Night 48°
Wed 5/20
Cloudy Weather
Day 70°
Night 52°
Thu 5/21
Cloudy Weather
Day 70°
Night 52°
Fri 5/22
Sunny Weather
Day 73°
Night 54°
Sat 5/23
Rainy Weather
Day 73°
Night 54°
Sun 5/24
Cloudy Weather
Day 73°
Night 54°
Mon 5/25
Sunny Weather
Day 70°
Night 52°
Tue 5/26
Sunny Weather
Day 73°
Night 54°
Wed 5/27
Sunny Weather
Day 75°
Night 55°
Thu 5/28
Sunny Weather
Day 77°
Night 55°
Fri 5/29
Cloudy Weather
Day 77°
Night 55°
Sat 5/30
Cloudy Weather
Day 73°
Night 57°
Sun 5/31
Cloudy Weather
Day 77°
Night 57°

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