Helena Airport (HLN) Weather 09/14/2025
Tonight
44
Mostly Clear
Friday
74
Sunny
Friday Night
46
Mostly Clear
Saturday
82
Sunny
Saturday Night
51
Partly Cloudy
Sunday
86
Mostly Sunny
Sunday Night
54
Mostly Cloudy
Monday
83
Mostly Sunny then Slight Chance Showers
Monday Night
54
Chance Showers then Mostly Cloudy
Tuesday
77
Chance Showers
Tuesday Night
51
Chance Showers
Wednesday
75
Partly Sunny then Chance Showers
Wednesday Night
51
Chance Showers
Weekly Forecast
Tonight
Mostly clear, with a low around 44. North wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.
Friday
Sunny, with a high near 74. Calm wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 46. North wind 5 to 7 mph becoming calm after midnight.
Saturday
Sunny, with a high near 82. Calm wind becoming east 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 51. East northeast wind 5 to 8 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 86. South wind around 6 mph becoming west in the afternoon.
Sunday Night
Mostly cloudy, with a low around 54. Southwest wind 7 to 10 mph.
Monday
A slight chance of showers after noon. Mostly sunny, with a high near 83. Southeast wind 5 to 7 mph.
Monday Night
A chance of showers before midnight. Mostly cloudy, with a low around 54.
Tuesday
A chance of showers. Partly sunny, with a high near 77.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51.
Wednesday
A chance of showers. Partly sunny, with a high near 75.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.