Alcatraz Island, CA Weather Forecast and Current Conditions

DaySkyHigh / LowPrecipWindHumidity
Tue
Aug 3
Partly Cloudy
Close Hourly
-º / 54º12%WSW 16 mph91%
8pmPartly Cloudy58º2%W 16 mph86%
9pmPartly Cloudy56º3%W 15 mph91%
10pmPartly Cloudy55º4%W 14 mph94%
11pmPartly Cloudy56º4%WSW 13 mph91%
Wed
Aug 4
Partly Cloudy
View Hourly
65º / 57º10%W 19 mph82%
12amPartly Cloudy56º6%WSW 12 mph92%
1amMostly Cloudy56º6%WSW 11 mph92%
2amMostly Cloudy55º11%WSW 11 mph93%
3amMostly Cloudy56º12%WSW 11 mph92%
4amMostly Cloudy55º13%WSW 10 mph91%
5amMostly Cloudy55º11%WSW 10 mph91%
6amMostly Cloudy55º13%WSW 10 mph91%
7amMostly Cloudy55º10%WSW 10 mph91%
8amMostly Cloudy56º9%WSW 9 mph90%
9amMostly Cloudy57º10%WSW 10 mph89%
10amPartly Cloudy58º11%WSW 11 mph88%
11amPartly Cloudy59º8%WSW 13 mph85%
12pmPartly Cloudy60º5%WSW 14 mph82%
1pmPartly Cloudy61º4%W 16 mph78%
2pmMostly Sunny62º4%W 17 mph77%
3pmMostly Sunny63º4%W 18 mph74%
4pmMostly Sunny64º4%W 19 mph73%
5pmMostly Sunny63º4%W 18 mph75%
6pmPartly Cloudy63º5%W 18 mph76%
7pmPartly Cloudy62º7%W 17 mph78%
8pmPartly Cloudy61º8%W 16 mph81%
9pmPartly Cloudy60º9%W 15 mph84%
10pmMostly Cloudy59º10%W 14 mph85%
11pmMostly Cloudy59º17%W 13 mph86%
Thu
Aug 5
AM Clouds/PM Sun
View Hourly
68º / 58º18%W 18 mph77%
12amMostly Cloudy59º19%W 12 mph86%
1amMostly Cloudy59º19%W 12 mph87%
2amMostly Cloudy59º13%W 12 mph87%
3amMostly Cloudy58º14%W 12 mph87%
4amCloudy59º15%W 12 mph86%
5amCloudy58º17%W 11 mph87%
6amCloudy59º16%W 11 mph86%
7amCloudy59º18%W 12 mph86%
8amCloudy60º14%W 11 mph86%
9amMostly Cloudy60º12%W 12 mph85%
10amMostly Cloudy61º8%W 12 mph83%
11amPartly Cloudy62º6%W 12 mph79%
12pmPartly Cloudy64º5%W 13 mph76%
1pmPartly Cloudy65º4%W 15 mph74%
2pmMostly Sunny66º4%W 16 mph72%
3pmMostly Sunny67º4%W 17 mph70%
4pmSunny68º4%W 18 mph68%
5pmSunny67º4%W 18 mph69%
6pmSunny66º4%W 17 mph70%
7pmSunny65º5%W 16 mph73%
Fri
Aug 6
Partly Cloudy74º / 56º8%WNW 15 mph72%
Sat
Aug 7
Mostly Sunny69º / 56º8%WSW 16 mph76%
Sun
Aug 8
Partly Cloudy67º / 56º8%WSW 17 mph79%
Mon
Aug 9
Partly Cloudy67º / 55º7%WSW 16 mph75%
Tue
Aug 10
Mostly Sunny67º / 55º7%W 16 mph76%

Weather Radar for Alcatraz Island, CA See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Alcatraz Island, CA

Tonight
Low : 54ºF
WSW wind 13 to 21 kt, with gusts as high as 30 kt. Increasing clouds.
Wednesday
High : 58ºF
WSW wind 14 to 20 kt, with gusts as high as 28 kt. Mostly cloudy, then gradually becoming sunny.
Wednesday Night
Low : 56ºF
WSW wind 13 to 20 kt, with gusts as high as 27 kt. Mostly cloudy.
Thursday
High : 59ºF
WSW wind 12 to 18 kt, with gusts as high as 26 kt. Mostly cloudy, then gradually becoming sunny.
Thursday Night
Low : 58ºF
W wind 12 to 17 kt becoming variable and less than 5 kt. Winds could gust as high as 24 kt. Partly cloudy.
Friday
High : 62ºF
Variable winds less than 5 kt becoming WSW 10 to 15 kt in the afternoon. Sunny.
Friday Night
Low : 57ºF
W wind 7 to 14 kt, with gusts as high as 20 kt. Partly cloudy.
Saturday
High : 59ºF
SW wind 6 to 10 kt. Mostly sunny.
Saturday Night
Low : 56ºF
SW wind 8 to 11 kt. Partly cloudy.

NOAA Buoy Data Near Alcatraz Island, CA See Map

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    Wind Speed Forecast for Alcatraz Island, CA

    TuesdayWednesdayThursday
    Wind Speed (MPH)16121091419161212111318
    8pm12am4am8am12pm4pm8pm12am4am8am12pm4pm
    MPH16121091419161212111318
    DIRWWSWWSWWSWWSWWWWWWWW

    Current Weather Conditions In Alcatraz Island, CA

    As Of: 24 minutes ago

    • 58ºF
    • 55ºF
    • 16mph
    • 0º (W)
    • 24mph
    • Partly Cloudy
    • 8mi
    • 29.94"
    • 86%
    • 0ºF

    The weather right now in Alcatraz Island, CA is Partly Cloudy. The current temperature is 58°F, and the expected high and low for today, Tuesday, August 3, 2021, are -° high temperature and 54°F low temperature. The wind is currently blowing at 16 miles per hour, and coming from the West. The wind is gusting to 24 mph. With the wind and the atmosphere the temperature feels like 55° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 86 percent, and air pressure at 29.94 in. Visibility is 8 nautical miles. There are 2 current weather alert(s).