Weather forecast for 10 daysHelena West Side, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

63°F
36°F

Partly Cloudy

Precip. probability: 1%
Precipitation: 0"
Wind: 6mphN 349°
Humidity: 57%
UV index: 3
Sunrise: 7:50 am MDT
Sunset: 6:36 pm MDT
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On Sunday, October 18, sunny moments will alternate with patchy cloud cover.
Significant temperature variations are forecasted, soaring to a maximum of an enjoyable 62.6°F and descending to a minimum of a wintry 35.6°F.
Sunrise will be at 7:50 am and sunset at 6:36 pm; the daylight will last for 10h and 46min.

10-day overview

Daily temperatures

Warmest day: tomorrow 68°C.
Coldest period: Monday - Tuesday 39°C.

Chance of precipitation

Highest chance: Friday 77%.

Long-term weather forecast

Sunday
Oct 18, 2026

63°F
36°F

Partly Cloudy

Precip. probability: 1%
Precipitation: 0"
Wind: 6mphN 349°
Humidity: 57%
UV index: 3
Sunrise: 7:50 am MDT
Sunset: 6:36 pm MDT
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Monday
Oct 19, 2026

68°F
37°F

Mostly Sunny

Precip. probability: 4%
Precipitation: 0"
Wind: 6mphSE 131°
Humidity: 54%
UV index: 3
Sunrise: 7:52 am MDT
Sunset: 6:34 pm MDT
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Tuesday
Oct 20, 2026

64°F
37°F

Partly Cloudy

Precip. probability: 2%
Precipitation: 0"
Wind: 6mphNNW 345°
Humidity: 54%
UV index: 2
Sunrise: 7:53 am MDT
Sunset: 6:32 pm MDT
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Wednesday
Oct 21, 2026

66°F
41°F

Mostly Sunny

Precip. probability: 4%
Precipitation: 0"
Wind: 7mphS 179°
Humidity: 61%
UV index: 3
Sunrise: 7:54 am MDT
Sunset: 6:31 pm MDT
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Thursday
Oct 22, 2026

64°F
45°F

Partly Cloudy

Precip. probability: 23%
Precipitation: 0.16"
Wind: 6mphSSW 208°
Humidity: 64%
UV index: 3
Sunrise: 7:56 am MDT
Sunset: 6:29 pm MDT
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Friday
Oct 23, 2026

48°F
32°F

Rain

Precip. probability: 77%
Precipitation: 0.16"
Wind: 12mphWNW 289°
Humidity: 81%
UV index: 2
Sunrise: 7:57 am MDT
Sunset: 6:27 pm MDT
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Saturday
Oct 24, 2026

46°F
28°F

Partly Cloudy

Precip. probability: 9%
Precipitation: 0"
Wind: 7mphW 278°
Humidity: 69%
UV index: 3
Sunrise: 7:59 am MDT
Sunset: 6:25 pm MDT
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Sunday
Oct 25, 2026

43°F
27°F

Partly Cloudy

Precip. probability: 24%
Precipitation: 0.08"
Wind: 9mphNNW 333°
Humidity: 77%
UV index: 2
Sunrise: 8:00 am MDT
Sunset: 6:24 pm MDT
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Monday
Oct 26, 2026

39°F
27°F

Partly Cloudy

Precip. probability: 24%
Precipitation: 0"
Wind: 7mphNNW 331°
Humidity: 76%
UV index: 2
Sunrise: 8:02 am MDT
Sunset: 6:22 pm MDT
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Tuesday
Oct 27, 2026

39°F
28°F

Partly Cloudy

Precip. probability: 24%
Precipitation: 0"
Wind: 8mphWNW 283°
Humidity: 84%
UV index: 2
Sunrise: 8:03 am MDT
Sunset: 6:21 pm MDT
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Primarily cloudy and occasionally mostly clear and showery weather is anticipated.
Rain is anticipated on Thursday, Friday and next Sunday. The days with the most rainfall will be Thursday and Friday, with light precipitation of 0.16".
Substantial differences in temperature are forecasted in the next ten days. Maximum temperatures are forecasted between 39.2°F and 68°F, while the fluctuation in night temperatures will be also significant, as the minimum temperature is expected to range between 26.6°F and 44.6°F.
Expect the warmest day on Monday, with temperatures peaking at 68°F; the coldest days will be next Monday and Tuesday, with a maximum of 39.2°F.

Updated: Oct 18, 2026 @ 10:50:01 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate