– Lat/Long: 38.67° N 122.63° W
Mount Saint Helena Weather Forecast
Mayacmas Mountains · United StatesIssued: 10 pm Wed 28 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 28 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Saint Helena Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 11°C on Wed night, min 5°C on Sat morning). Wind will be generally light. | Days 5–7 Weather SummarySome drizzle, heaviest during Sat night. Very mild (max 15°C on Tue afternoon, min 3°C on Sat night). Wind will be generally light. | |||||||||||||||
Thursday 29 | Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  | | |  |  | | |  | | | | |
cloudy | cloudy | cloudy | some clouds | clear | some clouds | cloudy | cloudy | light rain | rain shwrs | clear | clear | clear | some clouds | some clouds | some clouds | |
Cloud base (m) | 7050 | 6350 | 5800 | 4850 | 6450 | 5400 | 3050 | 2050 | 600 | 1800 | 9600 | 6850 | 6000 | |||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | 0.6 | 1.4 | — | — | — | — | — | — |
max °C | 11 | 10 | 9 | 9 | 7 | 8 | 7 | 6 | 5 | 4 | 3 | 5 | 9 | 10 | 12 | 12 |
min °C | 10 | 9 | 9 | 7 | 6 | 7 | 6 | 5 | 5 | 3 | 3 | 5 | 6 | 9 | 11 | 12 |
chill °C | 10 | 9 | 9 | 4 | 5 | 6 | 5 | 1 | 1 | -2 | 0 | 2 | 2 | 8 | 11 | 12 |
Freezing level m | 3500 | 3250 | 3000 | 2550 | 2500 | 2500 | 2400 | 2100 | 2100 | 1800 | 1850 | 3150 | 4200 | 4350 | 4400 | 4250 |
 | — | 7:33 | — | — | 7:33 | — | — | 7:35 | — | — | 6:37 | — | — | 7:37 | — | — |
 | — | — | 6:14 | — | — | 6:13 | — | — | 6:10 | — | — | 5:09 | — | — | 6:08 | — |
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Mount Saint Helena Weather (Days 0-3):
The weather forecast for Mount Saint Helena is: Mostly dry. Very mild (max 11°C on Wed night, min 5°C on Sat morning). Wind will be generally light.
Mount Saint Helena Weather (Days 3-6):
Some drizzle, heaviest during Sat night. Very mild (max 15°C on Tue afternoon, min 3°C on Sat night). Wind will be generally light.
This table gives the weather forecast for Mount Saint Helena at the specific elevation of 1323 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Saint Helena. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of California.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Santa Rosa Airport |  | ||||
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.
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