Barometric Pressure in San Juan, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in San Juan, Texas, United States is predicted to slowly rise over the next few hours, with an average pressure of 1010.9 hPa today, which is considered normal.
Weather prediction: Expect more fair, dry, cool weather
The daily total fluctuation in pressure in San Juan is 6.9 hPa, with a low of 1007 hPa and a high of 1013.9 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in San Juan hour by hour and stay informed about how it will change over the next 6 hours.
San Juan, Texas has a semi-arid climate with low air pressure due to its location near the Gulf of Mexico. Ocean winds bring moisture, lowering air pressure.
The Rio Grande Valley's flat landscape allows winds to blow freely, keeping air pressure relatively low. Mountains to the west block cooler air, making San Juan hotter.
During summer, high pressure systems dominate, causing hot and dry weather. In winter, low pressure systems bring cooler and wetter air.
San Juan's climate type is classified as hot semi-arid, characterized by high temperatures and low humidity, resulting in low air pressure year-round.