Weather in Helena, United States
Weather Advisories
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Today's weather summary
The weather in Helena on Monday, July 27th, will be cloudy throughout the day, with clear skies before dawn.
There is also a chance for some clouds before dawn at about 2 am, and also moderate rain in the afternoon at about 5 pm.
Weather details for Helena, on Monday, July 27th:
The highest temperature of the day is going to be 28°C at about 2 pm. The day will be extremely humid, with average humidity of 80%, ranging from 56% to a maximum value of 94% at about 7 am. The wind will be breezy, and will get up to 21 km/h at 6 pm, blowing from the west. The cloud coverage will range from 0% around 1 am to as high as 100% around 6 pm with an average of 59%.
The chances of precipitation throughout the day will change between 0% and 45%. The highest chance for precipitation will be around 4 pm and the lowest probability around midnight. The dew point will range from 18°C up to a maximum value of 21°C around 4 pm.
The visibility is expected to be good with average visibility of 14 km throughout the day. Atmospheric pressure will be low with average pressure of 1009 hPa. Sunrise will be at 6:23 am, and sunset at 8:55 pm, making it a total of 14 hours and 32 minutes of daylight.
Air quality forecast for Helena, on Monday, July 27th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 37 and 64.
Pollen forecast for Helena, on Monday, July 27th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
The weather in Helena on Tuesday, July 28th, is going to be mostly clear throughout the day, with cloud overcast before dawn.
There is also a chance for clear skies before dawn around 12 am.
Weather details for Helena, on Tuesday, July 28th:
The maximum temperature during the day will be 27°C around 4 pm. The day will be extremely humid, with average humidity of 80%, ranging from 57% to a maximum value of 94% at about 7 am. The wind will be breezy, and will get up to 22 km/h at 5 pm, blowing from the north. The cloud coverage will range from 0% around midnight to as high as 100% around 5 am with an average of 42%.
The precipitation probability will change throughout the day between 0% and 5%. The highest chance for precipitation will be around 10 pm and the lowest probability around midnight. The dew point will range from 18°C up to a maximum value of 21°C around 1 pm.
The visibility is expected to be good with average visibility of 14 km throughout the day. Atmospheric pressure will be low with average pressure of 1006 hPa. Sunrise will be at 6:24 am, and sunset at 8:54 pm. The day will have 14 hours and 30 minutes of daylight.
Air quality forecast for Helena, on Tuesday, July 28th:
On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 32 and 53.
Pollen forecast for Helena, on Tuesday, July 28th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
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