| NWS Forecast for: 5 Miles SSW Saint Helena CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA Last Update: 1:26 pm PDT May 18, 2026 |  |
| This Afternoon: Sunny, with a high near 28. North wind 14 to 16 km/h, with gusts as high as 34 km/h. Tonight: Clear, with a low around 18. North wind 11 to 14 km/h. Tuesday: Sunny, with a high near 29. North northeast wind 10 to 13 km/h, with gusts as high as 29 km/h. Tuesday Night: Increasing clouds, with a low around 19. Northwest wind 8 to 13 km/h becoming light north northwest after midnight. Wednesday: Sunny, with a high near 28. Light and variable wind becoming south southwest 6 to 11 km/h in the afternoon. Wednesday Night: Clear, with a low around 17. Thursday: Sunny, with a high near 29. Thursday Night: Clear, with a low around 14. Friday: Sunny, with a high near 25. Friday Night: Mostly clear, with a low around 13. Saturday: Sunny, with a high near 22. Saturday Night: Mostly clear, with a low around 12. Sunday: Sunny, with a high near 22. | |
| 5 Miles SSW Saint Helena CA 38.44°N 122.5°W (Elev. 1398 m) | |
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