Barometric Pressure in Harlingen, United States 
1011.7 hPa
25.3 ℃
94%
7.98 m/s
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The average pressure in Harlingen, Texas, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fairly fine, improving
The daily total fluctuation in pressure in Harlingen is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Harlingen hour by hour across the next 6 hourly readings.
The weather in Harlingen causes barometric pressure to rise and fall as storms and high-pressure systems move into the area. This leads to changes in the weather.
Harlingen's low elevation near the Gulf of Mexico and its flat landscape allow air to move freely, causing atmospheric pressure to change quickly. This leads to fast-changing weather.
In winter, pressure is usually high, bringing clear skies and fair weather. In summer, low pressure brings hot and humid air, leading to thunderstorms. In spring and fall, pressure is in between, causing mild weather.
Harlingen has a humid subtropical climate, which means it has hot summers and mild winters. This leads to big fluctuations in barometric pressure, making the weather feel unpredictable and changing often.