Barometric Pressure in Martinsville, United States 
Pressure
1013 hPa
Temperature
15.0 ℃
Humidity
50%
Wind
3.0 m/s
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Forecast
Hourly Pressure Trends
Track the barometric pressure in Martinsville hour by hour across the next 6 hourly readings.
Martinsville, Virginia has changing air pressure due to its mountainous location. The Blue Ridge Mountains surrounding the city affect air pressure, making it lower than in other nearby areas. During winter, cold air from Canada brings low pressure, causing colder temperatures and snow. In summer, warm air from the Gulf of Mexico brings high pressure, leading to hot and humid weather. Overall, Martinsville has a humid subtropical climate, with air pressure changing with the seasons due to its geography.