(KRON) — Temperatures will warm slightly, but remain below seasonal averages through the week. Strong onshore afternoon winds will gradually increase through mid-week, enhancing fire weather safety near the coast.
Short-Term Forecast (Today & Tonight)
- Marine Layer: compressed to ~1,600′ with signs of expansion; the stratus deck similar to yesterday, but with less inland reach.
- Cloud Ceilings: mostly below 1,000 ft and falling — early morning drizzle in the typical spots.
- Weather Pattern: offshore troughing from the Gulf of Alaska low, high pressure over Gulf States nudges the trough eastward.
- Temperature Trend: slight warming (2–5°F increase) from yesterday.
- Conditions: morning clouds, breezy clear afternoon, evening clouds return….still below normal for this time of year.
Long-Term Outlook (Monday–Saturday)
- Weather Pattern Evolution:
- The Gulf of Alaska low gradually fills.
- The subtropical high over the Gulf States strengthens and expands westward.
- A ridge develops from Texas to eastern Washington.
- Wind Forecast: onshore flow persists and strengthens — helps to lessen fire weather concerns.
- Temperature Trend: gradual warming, but surface temps stay slightly cooler than normal due to the marine influence.
- Fire Weather: fuel moisture currently above normal, but expected to trend downward starting Monday, especially above the marine layer.
Source:: News San Francisco – KRON 4
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