– Lat/Long: 38.67° N 122.63° W
Mount Saint Helena Weather Forecast
Mayacmas Mountains · United StatesIssued: 10 am Sun 04 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sun 04 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Saint Helena Elevations: 2 Forecast Elevations: Days 1–3 Weather SummarySome drizzle, heaviest during Sun night. Warm (max 25°C on Sun morning, min 22°C on Mon morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 26°C on Fri afternoon, min 22°C on Wed morning). Wind will be generally light. | |||||||||||||||||
Sunday 4 | Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | | | | | | | | | | | | |
some clouds | some clouds | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 7300 | 6800 | 7000 | |||||||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 1.3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 25 | 25 | 24 | 24 | 25 | 24 | 23 | 25 | 23 | 23 | 24 | 23 | 23 | 25 | 24 | 25 | 26 | 25 |
min °C | 24 | 25 | 23 | 22 | 25 | 23 | 22 | 25 | 22 | 22 | 24 | 22 | 22 | 24 | 24 | 24 | 26 | 23 |
chill °C | 24 | 25 | 23 | 22 | 25 | 23 | 22 | 25 | 22 | 22 | 24 | 22 | 22 | 24 | 24 | 24 | 26 | 23 |
Freezing level m | 4450 | 4350 | 4250 | 4400 | 4450 | 4500 | 4550 | 4600 | 4800 | 4750 | 4850 | 4750 | 4550 | 4550 | 4500 | 4450 | 4550 | 4500 |
 | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — |
 | — | 6:49 | — | — | 6:46 | — | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:40 | — |
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Mount Saint Helena Weather (Days 0-3):
The weather forecast for Mount Saint Helena is: Some drizzle, heaviest during Sun night. Warm (max 25°C on Sun morning, min 22°C on Mon morning). Wind will be generally light.
Mount Saint Helena Weather (Days 3-6):
Mostly dry. Warm (max 26°C on Fri afternoon, min 22°C on Wed morning). 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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