Weather forecast for today
Saint Helena, CA

Weather forecast for today

Thursday, Jul 17.

Sunny
5:58 am

8:33 pm
PDT
Sunny
84°F / 52°F
  • Wind: 9mph SSW
  • Humidity: 54%
  • Precip. probability: 2%
  • Precipitation: 0"
  • UV index: 10
Today, in Saint Helena, sunshine is forecasted under mostly clear skies.
A high of a temperate 84.2°F during the day contrasts markedly with a low of a fresh 51.8°F at night.
The maximum heat index, which measures the combined effect of heat and moisture, is appraised at a blazing 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The day’s highest temperature is expected to be slightly cooler than the standard July average of 88.3°F.
Sunrise was at 5:58 am and sunset will be at 8:33 pm; the daylight will last for 14h and 35min.

Current condition

Partly Cloudy
9:21 am PDT
Partly Cloudy
  • 59°F
  • Feels like: 59°F
  • Wind: 2mph SW
  • Humidity: 85%
  • Dewpoint: 54°F
  • Pressure: 29.93"Hg
  • Precipitation: 0"
  • Visibility: 10mi
  • UV index: 3
In Saint Helena, at the moment, the weather is partly cloudy with occasional clear patches.
The temperature is a moderate 59°F. The current temperature is far from the maximum of 84.2°F predicted for today.

Frequently asked questions

What is the temperature in Saint Helena now?
Currently (9:21 am PDT) it is 59°F in Saint Helena.
What is the weather forecast for Saint Helena for today?
On Thursday, uninterrupted sunshine is anticipated.
What will be the highest temperature today?
Today, the highest temperature will be 84.2°F, while the lowest temperature will be 51.8°F. The maximum heat index, which integrates air moisture with ambient temperature, is appraised at 86°F.
The maximum temperature will be relatively lower than the average highest temperature of 88.3°F in July. The lowest temperature will be in line with the average low of 53.8°F.
When are sunrise and sunset today?
On Thursday, in Saint Helena, sunrise was at 5:58 am and sunset will be at 8:33 pm (PDT).
How long is the day today?
In Saint Helena, the length of the day today will be 14h and 35min.

Hourly weather forecast

10 am
  • 63°F
  • Feels like:
    63°F
Mostly Sunny
Mostly Sunny
  • Wind: 2mph S
  • Pressure: 29.91"Hg
  • Humidity: 77%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
11 am
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Wind: 2mph S
  • Pressure: 29.91"Hg
  • Humidity: 68%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Wind: 3mph S
  • Pressure: 29.91"Hg
  • Humidity: 57%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
1 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Wind: 4mph S
  • Pressure: 29.88"Hg
  • Humidity: 47%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 81°F
  • Feels like:
    82°F
Sunny
Sunny
  • Wind: 6mph S
  • Pressure: 29.88"Hg
  • Humidity: 42%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
3 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Wind: 7mph SSW
  • Pressure: 29.85"Hg
  • Humidity: 39%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Wind: 8mph SSW
  • Pressure: 29.85"Hg
  • Humidity: 40%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
5 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Wind: 9mph SSW
  • Pressure: 29.85"Hg
  • Humidity: 42%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Wind: 9mph SSW
  • Pressure: 29.85"Hg
  • Humidity: 47%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
7 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Wind: 8mph SSW
  • Pressure: 29.85"Hg
  • Humidity: 53%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Wind: 7mph SSW
  • Pressure: 29.85"Hg
  • Humidity: 62%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:33 pm
9 pm
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Wind: 6mph SW
  • Pressure: 29.88"Hg
  • Humidity: 75%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
10 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Wind: 4mph SW
  • Pressure: 29.88"Hg
  • Humidity: 80%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
11 pm
  • 59°F
  • Feels like:
    59°F
Mostly Clear
Mostly Clear
  • Wind: 4mph SW
  • Pressure: 29.91"Hg
  • Humidity: 85%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
Today, in Saint Helena, sunshine is expected.
The temperature will vary between the lowest temperature of 59°F and the highest temperature of 82.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature will be relatively lower than July's average maximum of 88.3°F. The lowest temperature is also resembling July's typical minimum of 53.8°F.
July typically records the highest temperatures in Saint Helena, averaging 88.3°F for highs and 53.8°F for lows.
Updated: Jul 17, 2025 @ 16:21:37 UTC
Published by: Weather Atlas | About Us
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Weather Forecasting & Climate

Saint Helena, California, USA

  • en: Saint Helena, California, USA
  • es: St. Helena, California, EE.UU.
  • hr: 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: 9:21am PDT
  • Sunrise: 5:58 am PDT
  • Sunset: 8:33 pm PDT
  • Timezone: America/Los_Angeles
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