Barometric Pressure in Troy, United States 
1031.4 hPa
12.8 ℃
50%
0.1 m/s
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The average pressure in Troy, Missouri, United States today is , which is higher than normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
The daily total fluctuation in pressure in Troy is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Troy hour by hour across the next 6 hourly readings.
Troy, Missouri has changeable weather as fronts move across the central United States. Warm, moist air from the Gulf often brings clouds, rain, and thunderstorms. Low pressure tends to accompany unsettled periods, while high pressure often brings clearer, drier air and sharper temperature changes.
Rolling farmland, low hills, and wooded creek valleys nearby leave the area fairly open to moving air masses. Its position north of St. Louis places it between Gulf moisture to the south and colder air arriving from the Great Plains and Canada, so fronts can shift conditions quickly.
Spring is often unsettled, with heavy rain and thunderstorms as warm and cold air meet. Summers are hot and humid, while autumn usually brings cooler days and less humidity. Winters are cold and changeable; rain, sleet, or snow can arrive when passing systems meet Arctic air.