| NWS Forecast for: Vallejo CA Issued by: National Weather Service Sacramento, CA Last Update: 2:00 pm PDT Aug 18, 2026 |  |
| This Afternoon: Sunny, with a high near 25. Southwest wind around 14 km/h. Tonight: Mostly cloudy, with a low around 14. Southwest wind 11 to 13 km/h. Wednesday: Patchy smoke before 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 25. Southwest wind 10 to 16 km/h. Wednesday Night: Increasing clouds, with a low around 14. West southwest wind around 14 km/h. Thursday: Partly sunny, with a high near 24. Southwest wind 13 to 16 km/h. Thursday Night: Mostly cloudy, with a low around 15. Friday: Partly sunny, with a high near 24. Friday Night: Partly cloudy, with a low around 14. Saturday: Mostly sunny, with a high near 25. Saturday Night: Mostly clear, with a low around 14. Sunday: Mostly sunny, with a high near 24. Sunday Night: Partly cloudy, with a low around 14. Monday: Partly sunny, with a high near 22. | |
| Vallejo CA 38.16°N 122.25°W (Elev. 26 m) | |
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