Weather forecast for tomorrowEast Helena, MT
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 63°F
- 37°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNNE 32°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:49 am MDT
- Sunset: 6:35 pm MDT
- details ▼
Tomorrow, in East Helena, blue skies and warm sunshine will define the conditions.
Temperature span will be from a high of a comfortable 62.6°F to a low of a wintry 37.4°F.
The predicted high will feel warmer, consistent with September's climate average of 68.2°F.
Sunrise will be at 7:49 am and sunset at 6:35 pm; tomorrow's daylight will last for 10h and 46min.
Temperature span will be from a high of a comfortable 62.6°F to a low of a wintry 37.4°F.
The predicted high will feel warmer, consistent with September's climate average of 68.2°F.
Sunrise will be at 7:49 am and sunset at 6:35 pm; tomorrow's daylight will last for 10h and 46min.
Hourly overview
Hourly temperatures
Warmest period: 3 pm - 6 pm 59°C.
Coldest period: 6 am - 9 am 43°C.
Coldest period: 6 am - 9 am 43°C.
Chance of precipitation
Highest chance: 6 am - 9 am 4%.
Hourly weather forecast
- 12 am
- 50°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSW 236°
- Humidity: 53%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphWSW 243°
- Humidity: 60%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphWSW 246°
- Humidity: 64%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 43°F
- Feels like:43°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphWSW 240°
- Humidity: 70%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:49 am
- 8 am
- 41°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphWSW 245°
- Humidity: 78%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:46°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphWNW 291°
- Humidity: 69%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 52°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphN 10°
- Humidity: 54%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 57°F
- Feels like:57°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphENE 64°
- Humidity: 48%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphE 87°
- Humidity: 41%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSSE 148°
- Humidity: 46%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:35 pm
- 8 pm
- 52°F
- Feels like:52°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphWSW 243°
- Humidity: 55%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphSW 230°
- Humidity: 63%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily cloud-filled and occasionally mostly clear weather is forecasted.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 60.8°F. The warmest part of the day will be at 4 pm and 5 pm.
The highest temperature tomorrow will resemble September's average maximum of 68.2°F more than October's average. The lowest temperature is expected to be a couple of degrees higher than the average minimum in October, typically 32.7°F.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 60.8°F. The warmest part of the day will be at 4 pm and 5 pm.
The highest temperature tomorrow will resemble September's average maximum of 68.2°F more than October's average. The lowest temperature is expected to be a couple of degrees higher than the average minimum in October, typically 32.7°F.
Updated: Oct 17, 2026 @ 13:54:36 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, clear skies with only minor cloud interruptions are in the outlook.
Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 37.4°F.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 51.3°F in October. The lowest temperature will be slightly warmer than the average low of 32.7°F.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 51.3°F in October. The lowest temperature will be slightly warmer than the average low of 32.7°F.
On Sunday, in East Helena, sunrise will be at 7:49 am and sunset at 6:35 pm (MDT).
In East Helena, tomorrow, there will be 10h and 46min of daylight.





