The most pleasant months of the year for Lewistown are July, August and June. In Lewistown, there are 3 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for Lewistown with an average high temperature of 81.1°, which ranks it as cooler than most places in Montana. March is the snowiest month in Lewistown with 14.2 inches of snow, and 9 months of the year have significant snowfall. Days with noticeable humidity are rare throughout the year.
Today's Weather - Lewistown, MT
4 AM PST
Slight Chance Light Rain
|7 DAY FORECAST||DESCRIPTION||HIGH/LOW||WIND|
|Overnight||Slight Chance Light Rain||30° / 43°||SW 7 mph|
|Monday Night||Mostly Cloudy then Patchy Fog||22° / 50°||W 5 to 13 mph|
|Tuesday Night||Mostly Cloudy||36° / 64°||SSW 10 mph|
|Wednesday Night||Partly Cloudy||40° / 55°||SSW 7 to 10 mph|
|Thursday Night||Partly Cloudy||33° / 51°||WSW 9 to 13 mph|
|Friday Night||Partly Cloudy||30° / 46°||WSW 10 to 14 mph|
|Saturday Night||Chance Light Snow||27° / 42°||W 6 to 10 mph|
Summer High: the July high is around 81 degrees
Winter Low: the January low is 14
Rain: averages 16 inches of rain a year
Snow: averages 72 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for the Lewistown area is 6.5 (10=best), which means it is more comfortable than most places in Montana.
6.5 / 10
A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.
Average Monthly High and Low (°F)
Hot, Freezing, Rainy, Snowy Days: Lewistown
YOU SHOULD KNOW
Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.
Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.
Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.