National Weather Service Forecast for:
Saint Helena CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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Updated: 1:26 pm PDT Jul 25, 2025 | ||||||||||||||||||
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Tonight |
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 53. West southwest wind around 6 mph becoming calm in the evening. |
Saturday |
Patchy fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming west southwest around 6 mph in the afternoon. |
Saturday Night |
Patchy fog after midnight. Otherwise, increasing clouds, with a low around 52. Light southwest wind. |
Sunday |
Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 84. Light and variable wind. |
Sunday Night |
Patchy fog after 4am. Otherwise, mostly clear, with a low around 53. Southwest wind around 6 mph becoming calm in the evening. |
Monday |
Patchy fog before 8am. Otherwise, sunny, with a high near 89. |
Monday Night |
Mostly clear, with a low around 54. |
Tuesday |
Sunny, with a high near 89. |
Tuesday Night |
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52. |
Wednesday |
Patchy fog before 9am. Otherwise, sunny, with a high near 85. |
Wednesday Night |
Patchy fog. Otherwise, mostly clear, with a low around 53. |
Thursday |
Patchy fog. Otherwise, sunny, with a high near 87. |
Thursday Night |
Patchy fog. Otherwise, mostly clear, with a low around 55. |
Friday |
Patchy fog. Otherwise, sunny, with a high near 89. |
Forecast from NOAA-NWS for Saint Helena CA.