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Today Hourly 7 days 30 days May
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May 2026 Weather | Helena, Montana

Fri 5/1
Cloudy Weather
Day 72°
Night 41°
10
Sat 5/2
Cloudy Weather
Day 63°
Night 45°
25
Sun 5/3
Cloudy Weather
Day 64°
Night 39°
25
Mon 5/4
Cloudy Weather
Day 59°
Night 39°
3
Tue 5/5
Sunny Weather
Day 61°
Night 41°
0
Wed 5/6
Sunny Weather
Day 64°
Night 41°
3
Thu 5/7
Partly Sunny with Showers
Day 68°
Night 45°
57
Fri 5/8
Cloudy Weather
Day 66°
Night 46°
0
Sat 5/9
Cloudy Weather
Day 64°
Night 45°
10
Sun 5/10
Cloudy Weather
Day 68°
Night 50°
25
Mon 5/11
Rainy Weather
Day 59°
Night 39°
60
Tue 5/12
Cloudy Weather
Day 57°
Night 36°
Wed 5/13
Sunny Weather
Day 59°
Night 36°
Thu 5/14
Cloudy Weather
Day 68°
Night 41°
Fri 5/15
Cloudy Weather
Day 70°
Night 46°
Sat 5/16
Cloudy Weather
Day 72°
Night 46°
Sun 5/17
Cloudy Weather
Day 72°
Night 45°
Mon 5/18
Cloudy Weather
Day 66°
Night 43°
Tue 5/19
Sunny Weather
Day 72°
Night 46°
Wed 5/20
Cloudy Weather
Day 73°
Night 48°
Thu 5/21
Cloudy Weather
Day 73°
Night 48°
Fri 5/22
Cloudy Weather
Day 73°
Night 45°
Sat 5/23
Sunny Weather
Day 63°
Night 43°
Sun 5/24
Cloudy Weather
Day 66°
Night 41°
Mon 5/25
Sunny Weather
Day 73°
Night 48°
Tue 5/26
Cloudy Weather
Day 75°
Night 50°
Wed 5/27
Cloudy Weather
Day 75°
Night 50°
Thu 5/28
Sunny Weather
Day 73°
Night 45°
Fri 5/29
Sunny Weather
Day 73°
Night 48°
Sat 5/30
Cloudy Weather
Day 75°
Night 50°
Sun 5/31
Cloudy Weather
Day 75°
Night 52°

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