Weather forecast for tomorrow
Wednesday, Jun 18.
5:10 am
8:50 pm
EDT
8:50 pm
EDT
Cloudy
84°F / 68°F
- Wind: 10mph WSW
- Humidity: 70%
- Precip. probability: 24%
- Precipitation: 0"
- UV index: 5
On Wednesday, in Helena, widespread cloud cover is expected.
The highest temperature will be a moderately hot 84.2°F, while the lowest anticipated temperature is a pleasant 68°F.
The maximum heat index, which measures the combined effect of heat and moisture, is appraised at a hot 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The projected high resembles July more than June, matching 77.5°F rather than 71.1°F.
Sunrise will be at 5:10 am and sunset at 8:50 pm; tomorrow's daylight will last for 15h and 40min.
The highest temperature will be a moderately hot 84.2°F, while the lowest anticipated temperature is a pleasant 68°F.
The maximum heat index, which measures the combined effect of heat and moisture, is appraised at a hot 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The projected high resembles July more than June, matching 77.5°F rather than 71.1°F.
Sunrise will be at 5:10 am and sunset at 8:50 pm; tomorrow's daylight will last for 15h and 40min.
Frequently asked questions
What is the weather forecast for Helena for tomorrow?
On Wednesday, low clouds will cover the sky.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 84.2°F, while the lowest temperature will be 68°F. The maximum heat index, which factors the actual air temperature with the relative humidity, is assessed at 91.4°F.
The highest temperature will be uncommonly higher than the average maximum of 71.1°F in June. The lowest temperature will be also noticeably higher than the average low of 53.1°F.
The highest temperature will be uncommonly higher than the average maximum of 71.1°F in June. The lowest temperature will be also noticeably higher than the average low of 53.1°F.
When is the sunrise / sunset tomorrow?
On Wednesday, in Helena, sunrise will be at 5:10 am and sunset at 8:50 pm (EDT).
How many hours of daylight will Helena have tomorrow?
In Helena, tomorrow, there will be 15h and 40min of daylight.
Hourly weather forecast
12 am
- 70°F
- Feels like:
72°F
Partly Cloudy
- Wind: 7mph SSW
- Pressure: 29.83"Hg
- Humidity: 81%
- Precip. probability: 8%
- Precipitation: 0"
- Visibility: 8mi
2 am
- 70°F
- Feels like:
70°F
Mostly Cloudy
- Wind: 7mph SSW
- Pressure: 29.8"Hg
- Humidity: 85%
- Precip. probability: 6%
- Precipitation: 0"
- Visibility: 10mi
4 am
- 70°F
- Feels like:
70°F
Mostly Cloudy
- Wind: 7mph SSW
- Pressure: 29.8"Hg
- Humidity: 86%
- Precip. probability: 6%
- Precipitation: 0"
- Visibility: 9mi
Sunrise: 5:10 am
6 am
- 70°F
- Feels like:
72°F
Mostly Cloudy
- Wind: 7mph SSW
- Pressure: 29.8"Hg
- Humidity: 84%
- Precip. probability: 6%
- Precipitation: 0"
- Visibility: 9mi
8 am
- 73°F
- Feels like:
75°F
Mostly Cloudy
- Wind: 9mph SW
- Pressure: 29.83"Hg
- Humidity: 78%
- Precip. probability: 22%
- Precipitation: 0"
- Visibility: 10mi
10 am
- 77°F
- Feels like:
81°F
Cloudy
- Wind: 9mph SW
- Pressure: 29.83"Hg
- Humidity: 73%
- Precip. probability: 15%
- Precipitation: 0"
- Visibility: 10mi
12 pm
- 79°F
- Feels like:
82°F
Cloudy
- Wind: 8mph WSW
- Pressure: 29.83"Hg
- Humidity: 70%
- Precip. probability: 23%
- Precipitation: 0"
- Visibility: 10mi
2 pm
- 81°F
- Feels like:
84°F
Cloudy
- Wind: 9mph WSW
- Pressure: 29.8"Hg
- Humidity: 67%
- Precip. probability: 21%
- Precipitation: 0"
- Visibility: 10mi
4 pm
- 82°F
- Feels like:
86°F
Mostly Cloudy
- Wind: 9mph WSW
- Pressure: 29.77"Hg
- Humidity: 62%
- Precip. probability: 15%
- Precipitation: 0"
- Visibility: 10mi
6 pm
- 82°F
- Feels like:
86°F
Mostly Cloudy
- Wind: 7mph WSW
- Pressure: 29.77"Hg
- Humidity: 62%
- Precip. probability: 15%
- Precipitation: 0"
- Visibility: 10mi
8 pm
- 79°F
- Feels like:
82°F
Partly Cloudy
- Wind: 4mph SW
- Pressure: 29.77"Hg
- Humidity: 71%
- Precip. probability: 13%
- Precipitation: 0"
- Visibility: 10mi
Sunset: 8:50 pm
10 pm
- 73°F
- Feels like:
75°F
Mostly Cloudy
- Wind: 2mph SSW
- Pressure: 29.77"Hg
- Humidity: 84%
- Precip. probability: 19%
- Precipitation: 0"
- Visibility: 9mi
Tomorrow, cloudiness will dominate.
The temperature will vary between the lowest temperature of 69.8°F and the highest temperature of 82.4°F. The warmest part of the day will be from 4 pm to 6 pm.
The temperature will be more comparable to what’s typical for July than the usual maximum in June. Forecast models suggest a low also more alike with July's typical minimum of 59.2°F than June's usual 53.1°F.
The temperature will vary between the lowest temperature of 69.8°F and the highest temperature of 82.4°F. The warmest part of the day will be from 4 pm to 6 pm.
The temperature will be more comparable to what’s typical for July than the usual maximum in June. Forecast models suggest a low also more alike with July's typical minimum of 59.2°F than June's usual 53.1°F.
Updated: Jun 17, 2025 @ 10:55:15 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