Bay Area residents can look forward to warmer and drier conditions through the middle of the week. Sunshine and comfortable temperatures will continue due to a strengthening offshore flow that's ushering in drier air, making today a couple degrees warmer than yesterday, as reported by the National Weather Service San Francisco.
However, this pleasant weather isn't set to last; disturbed conditions are expected to roll in by the end of the week, bringing with it the next chance for rain. The marine layer will compress, and some easterly winds will prevail across the Bay Area by Monday morning. The gradient between it and the high pressure over the Intermountain West will eventually decrease to around -9 mb. However, these winds aren't expected to reach full Diablo wind potential, which requires a gradient of -12 to -15 mb.
In terms of aviation, the dry conditions will keep the Bay Area free from delayed flights due to weather for the most part. TAFs indicate that VFR conditions will reign throughout the day as the stratus remains largely coastal and is projected to mix quickly upon sunrise. As "light offshore pressure gradient contributing to dry air in place," the patchy stratus developing around the SF Bay should dissipate soon after dawn, having only a temporary impact on arrival and departure times for the San Francisco airport, according to the National Weather Service San Francisco.
The marine outlook for the week is calm, with gentle breezes and diminishing seas; however, the tranquility might be short-lived. A potential upper-level disturbance is anticipated to cause winds to pick up across the outer waters by Thursday. This change in weather patterns results from a mid-level deep trough or cut-off low expected to edge off the Pacific Northwest.
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