Barometric Pressure Forecast for Carmichael, California
Barometric pressure forecast for Carmichael, California — a Sacramento suburb along the north bank of the American River. See current barometric pressure through winter atmospheric rivers, valley fog and dry north wind events.
Download Pressure Pal to track barometric pressure and get migraine alerts for Carmichael and your area.
Pressure and weather in Carmichael
Carmichael lies northeast of downtown Sacramento, on the north side of the American River where oak woodland and the river parkway still line the bluffs. Its weather follows the rhythm of the Sacramento Valley, with a sharp contrast between a wet winter and a long dry summer. From November to March, Pacific storms move in from the west, and the barometer falls as each one approaches. The strongest are atmospheric rivers, long plumes of subtropical moisture that can stall over Northern California for days, as they did in January 2023, flooding low-lying areas and filling the reservoirs in the Sierra foothills. Between storms, when high pressure settles over the valley in winter, a different hazard appears. Cold air pools near the ground, and dense tule fog can form overnight and persist for days, with a nearly flat barometer overhead. Summer is dominated by heat, relieved most evenings by the delta breeze, a cool marine wind drawn inland through the Carquinez Strait. In spring and autumn, a strong high over the Great Basin can drive dry, gusty north winds down the valley, raising the fire risk and bringing a notable pressure pattern of its own.
What this means for you
Carmichael's biggest pressure changes come with winter storms and atmospheric rivers, while tule fog spells bring long, flat stretches in between. Following a barometric pressure forecast through the wet season helps you anticipate those storms, and a migraine tracker app can reveal whether it is the falls, the stagnant fog periods or the dry north winds that affect you.