Barometric Pressure in Pinole, United States 
1016.6 hPa
18.5 ℃
39%
1.94 m/s
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The average pressure in Pinole, California, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at frequent intervals
The daily total fluctuation in pressure in Pinole is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Pinole hour by hour across the next 6 hourly readings.
Pinole, California has high air pressure when the Pacific High, a big area of high pressure, is over the city. This brings nice, clear weather.
The Valley of the Sun, where Pinole is, traps warm air close to the ground, making air pressure rise. The nearby hills block some air from moving in.
Summer air pressure is higher due to the Pacific High. This means clear skies and warm weather. Winter air pressure is lower, bringing cooler temperatures and some rain.
Pinole has a Mediterranean climate, which means dry summers and mild, wet winters. Air pressure is higher in summer and lower in winter due to these changes.