Weather in Alcatraz Island Lighthouse, United States
Weather Advisories
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Today's weather summary
The weather in Alcatraz Island Lighthouse on Saturday, July 25th, will be clear for most of the day.
There is also a chance of few clouds in the early morning, around 6 am.
Weather details for Alcatraz Island Lighthouse, on Saturday, July 25th:
The maximum temperature of the day is going to be 21°C at about 2 pm. The day will have very high relative humidity, with average humidity of 80%, ranging from 60% to a maximum value of 91% at about 11 pm. The wind will be breezy, and will get up to 31 km/h at 6 pm, blowing from the west. The cloud coverage will range from 0% around 9 am to as high as 16% around 6 am with an average of 5%.
There is no probability for any precipitation throughout the day. The dew point will range from 12°C up to a maximum value of 15°C around 11 am.
The visibility is expected to be good with average visibility of 15 km throughout the day. Atmospheric pressure will be normal with average pressure of 1016 hPa. Sunrise will be at 6:07 am, and sunset at 8:24 pm, making it a total of 14 hours and 17 minutes of daylight.
Air quality forecast for Alcatraz Island Lighthouse, on Saturday, July 25th:
On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 25 and 54.
Pollen forecast for Alcatraz Island Lighthouse, on Saturday, July 25th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
The weather in Alcatraz Island Lighthouse on Sunday, July 26th, is going to be clear for most of the day, with some clouds before dawn.
There's seems to be also high probability of few clouds before dawn at about 12 am.
Weather details for Alcatraz Island Lighthouse, on Sunday, July 26th:
The maximum temperature during the day will be 19°C around 2 pm. The day will have very high relative humidity, with average humidity of 85%, ranging from 70% to a maximum value of 98% at about 6 am. The wind will be strong, and will get up to 34 km/h at 2 pm, blowing from the west. The cloud coverage will range from 3% around 9 pm to as high as 78% around 6 am with an average of 26%.
There is no probability for any precipitation throughout the day. The dew point will range from 12°C up to a maximum value of 14°C around midnight.
The visibility is expected to be good with average visibility of 13 km throughout the day. Atmospheric pressure will be normal with average pressure of 1018 hPa. Sunrise will be at 6:08 am, and sunset at 8:23 pm, making it a total of 14 hours and 15 minutes of daylight.
Air quality forecast for Alcatraz Island Lighthouse, on Sunday, July 26th:
On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 30 and 53.
Pollen forecast for Alcatraz Island Lighthouse, on Sunday, July 26th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
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