Weather forecast for todaySaint Helena, CA
Weather forecast for today
Current condition 10:32 am PDT
- 73°F
- Feels like:73°F
Sunny
- Precipitation: 0"
- Wind: 3mphN 10°
- Humidity: 27%
- Dewpoint: 37°F
- Pressure: 30.07"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
In Saint Helena, at the moment, the weather is sunny with a crisp, clear sky.
The temperature is a warm 73.4°F. The current temperature is relatively far from the maximum of 91.4°F forecasted for today.
The temperature is a warm 73.4°F. The current temperature is relatively far from the maximum of 91.4°F forecasted for today.
Saturday Oct 17, 2026
- 91°F
- 48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 178°
- Humidity: 17%
- UV index: 5
- Sunrise: 7:21 am PDT
- Sunset: 6:29 pm PDT
- details ▼
On Saturday, October 17, the weather remains calm, bright, and sunny.
A remarkable high of a hot 91.4°F during the day and a stark low of a frosty 48.2°F at night are expected.
The hotter conditions bring a maximum of 91.4°F, more representative of September than October.
Sunrise was at 7:21 am and sunset will be at 6:29 pm; the daylight will last for 11h and 8min.
A remarkable high of a hot 91.4°F during the day and a stark low of a frosty 48.2°F at night are expected.
The hotter conditions bring a maximum of 91.4°F, more representative of September than October.
Sunrise was at 7:21 am and sunset will be at 6:29 pm; the daylight will last for 11h and 8min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 91°C.
Coldest hour: 1 am 59°C.
Coldest hour: 1 am 59°C.
Chance of precipitation
Highest chance: 9 pm 1%.
Hourly weather forecast
- 11 am
- 77°F
- Feels like:77°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 77°
- Humidity: 23%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphESE 107°
- Humidity: 19%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 1 pm
- 86°F
- Feels like:86°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSE 145°
- Humidity: 15%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 90°F
- Feels like:90°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSSW 195°
- Humidity: 14%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 3 pm
- 91°F
- Feels like:91°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSSW 207°
- Humidity: 13%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 91°F
- Feels like:91°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 221°
- Humidity: 13%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 5 pm
- 90°F
- Feels like:90°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSW 213°
- Humidity: 14%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSSW 204°
- Humidity: 19%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:29 pm
- 7 pm
- 77°F
- Feels like:77°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 187°
- Humidity: 26%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 72°F
- Feels like:72°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSSW 196°
- Humidity: 32%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSW 233°
- Humidity: 38%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 64°F
- Feels like:64°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphW 279°
- Humidity: 42%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphWNW 300°
- Humidity: 42%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, sunny conditions are likely to prevail.
The temperature will vary between the lowest temperature of 62.6°F and the highest temperature of 91.4°F. The hottest part of the day will be at 3 pm and 4 pm.
The day’s peak temperature will reflect September's norm of 85.3°F more than October's 75°F. The expected low will be alike with the average minimum in October, which is 50.9°F.
The temperature will vary between the lowest temperature of 62.6°F and the highest temperature of 91.4°F. The hottest part of the day will be at 3 pm and 4 pm.
The day’s peak temperature will reflect September's norm of 85.3°F more than October's 75°F. The expected low will be alike with the average minimum in October, which is 50.9°F.
Updated: Oct 17, 2026 @ 17:32:00 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
The current temperature (10:32 am PDT) is 73.4°F.
On Saturday, the outlook remains bright and sunny.
Today, the highest temperature will be 91.4°F, while the lowest temperature will be 48.2°F.
The highest temperature will be significantly higher than the average maximum of 75°F in October. The lowest temperature will be in line with the average low of 50.9°F.
The highest temperature will be significantly higher than the average maximum of 75°F in October. The lowest temperature will be in line with the average low of 50.9°F.
On Saturday, in Saint Helena, sunrise was at 7:21 am and sunset will be at 6:29 pm (PDT).
Today, the daylight will last for 11h and 8min.
Saint Helena, California, USA
- en: Saint Helena, California, USA
- es: St. Helena, California, EE.UU.
- hr: Sent Helena, Kalifornija, SAD
- mk: Sent Helena, Kalifornija, SAD
- sr: Sent Helena, Kalifornija, SAD
- zh: 圣海伦娜, 加利福尼亚州, 美国
- Latitude: 38.505243°
- Longitude: -122.470387°
- Elevation: 256 ft
- Current time: 10:32am PDT
- Sunrise: 7:21 am PDT
- Sunset: 6:29 pm PDT
- Timezone: America/Los_Angeles
Nearby Saint Helena, California, USA
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- Fulton (16 mi)
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- Middletown (19 mi)
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