10-Day Weather Forecast for St. Helena (CA)
Six-hourly outlook through Thursday 10 September. Updated every three hours via MET Norway.
What's the weather in St. Helena this week?
Today's weather - Tuesday 1 Sep
For the rest of Tuesday the predicted weather in St. Helena is partly cloudy. The temperature will be around 20°C (68°F).
Tomorrow's weather - Wednesday 2 Sep
On Wednesday, St. Helena will be rain showers during the morning and afternoon. The maximum predicted temperature is a pleasant 22°C (72°F), while the minimum temperature is a mild 14°C (57°F).
10-Day Weather Forecast
In the coming 10 days, the weather in St. Helena will get warmer, maximum temperatures reach 29°C (84°F) on Tuesday. Daytime highs during this period will average around 23°C (73°F), with nighttime lows around 14°C (57°F). Compared to September norms, this represents much cooler than usual weather. The next 10 days will feature plenty of sunshine. Precipitation levels will be much more than usual (versus normal September rainfall), with mostly dry conditions. Precipitation is likely on about 2 days (Wed, Thu). Wind conditions will be generally calm.
Weather Forecast FAQ for St. Helena
When will be the warmest day next week?
The warmest day is expected to be Tuesday with a high of 29°C (84°F).
When will be the coldest day?
The coldest day is forecasted for Friday with a low of 11°C (52°F).
Will it rain next week in St. Helena?
Yes, rain is expected on 2 days , specifically on Wed, Thu.
How much rainfall is expected next week?
A total of 13 mm (0.5 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 11°C (52°F) to 29°C (84°F).
More about St. Helena
Explore the full St. Helena climate overview with monthly averages, or check rainfall data and temperature by month.
St. Helena weather by month
Browse monthly averages for St. Helena: climate by month with temperature, rainfall and sunshine.
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