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

Today 5/20
Rainy Weather
Day 61°
Night 39°
87
Thu 5/21
Partly Sunny with Showers
Day 61°
Night 37°
56
Fri 5/22
Cloudy Weather
Day 70°
Night 41°
6
Sat 5/23
Cloudy Weather
Day 77°
Night 48°
3
Sun 5/24
Cloudy Weather
Day 84°
Night 48°
2
Mon 5/25
Cloudy Weather
Day 82°
Night 45°
25
Tue 5/26
Rainy Weather
Day 57°
Night 43°
57
Wed 5/27
Sunny with a Chance of Thunderstorms
Day 70°
Night 48°
61
Thu 5/28
Cloudy Weather
Day 72°
Night 50°
55
Fri 5/29
Stormy Weather
Day 75°
Night 48°
55
Sat 5/30
Cloudy Weather
Day 81°
Night 55°
0
Sun 5/31
Sunny with a Chance of Thunderstorms
Day 77°
Night 52°
62

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