Alcatraz Island, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Jul 6
Clear/Wind
Close Hourly
65º / 52º 10% WNW 20 mph 85%
11pm Clear 55º 10% WNW 18 mph 84%
Tue
Jul 7
Sunny
View Hourly
67º / 53º 10% WNW 18 mph 67%
12am Clear 55º 10% W 18 mph 84%
1am Clear 56º 10% WNW 15 mph 81%
2am Clear 56º 10% WNW 15 mph 82%
3am Clear 55º 10% WNW 12 mph 83%
4am Clear 55º 10% WNW 11 mph 83%
5am Clear 54º 10% WNW 9 mph 85%
6am Sunny 54º 10% WNW 7 mph 85%
7am Sunny 55º 10% WNW 5 mph 84%
8am Sunny 57º 10% WNW 4 mph 80%
9am Sunny 59º 0% WNW 4 mph 74%
10am Sunny 60º 0% WNW 5 mph 69%
11am Sunny 62º 0% W 8 mph 67%
12pm Sunny 63º 0% W 11 mph 65%
1pm Sunny 65º 0% W 13 mph 62%
2pm Sunny 66º 0% W 15 mph 61%
3pm Sunny 66º 0% W 17 mph 60%
4pm Sunny 66º 0% W 18 mph 61%
5pm Sunny 66º 0% W 19 mph 61%
6pm Sunny 65º 0% W 18 mph 63%
7pm Sunny 63º 0% W 16 mph 66%
8pm Sunny 62º 0% WNW 14 mph 70%
9pm Clear 59º 10% WNW 11 mph 76%
10pm Clear 58º 10% WNW 9 mph 79%
11pm Clear 57º 10% W 8 mph 83%
Wed
Jul 8
Sunny
View Hourly
65º / 53º 10% WSW 17 mph 75%
12am Clear 56º 10% W 7 mph 85%
1am Clear 55º 10% W 6 mph 87%
2am Clear 55º 10% W 7 mph 87%
3am Clear 54º 10% W 6 mph 89%
4am Clear 54º 10% WSW 5 mph 89%
5am Mostly Clear 54º 10% SW 4 mph 90%
6am Mostly Sunny 54º 10% SW 4 mph 91%
7am Mostly Sunny 54º 10% SSW 4 mph 92%
8am Mostly Sunny 56º 10% SSW 4 mph 87%
9am Sunny 57º 10% SSW 5 mph 84%
10am Sunny 59º 10% SW 6 mph 82%
11am Sunny 60º 10% WSW 8 mph 78%
12pm Sunny 62º 0% WSW 10 mph 74%
1pm Sunny 63º 0% W 13 mph 71%
2pm Sunny 64º 0% W 15 mph 68%
3pm Sunny 64º 0% W 16 mph 67%
4pm Sunny 64º 0% W 17 mph 67%
5pm Sunny 63º 10% W 17 mph 67%
6pm Sunny 63º 10% W 16 mph 67%
7pm Sunny 61º 10% WSW 15 mph 70%
8pm Sunny 59º 10% W 14 mph 74%
9pm Clear 58º 10% WSW 12 mph 79%
Thu
Jul 9
Sunny 68º / 53º 10% W 16 mph 71%
Fri
Jul 10
Partly Cloudy 67º / 52º 10% W 16 mph 70%
Sat
Jul 11
Mostly Sunny 66º / 52º 10% W 15 mph 73%
Sun
Jul 12
Sunny 70º / 53º 10% W 15 mph 69%
Mon
Jul 13
Sunny 66º / 52º 10% W 16 mph 73%
Tue
Jul 14
Sunny 67º / 52º 10% W 16 mph 70%
Wed
Jul 15
Sunny 65º / 52º 10% W 16 mph 73%

Weather Radar for Alcatraz Island, CA See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Alcatraz Island, CA

Overnight
Low : 55ºF
W wind 7 to 14 kt. Mostly clear.
Tuesday
High : 62ºF
Variable winds less than 5 kt becoming WSW 8 to 13 kt in the afternoon. Sunny.
Tuesday Night
Low : 55ºF
W wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Increasing clouds.
Wednesday
High : 61ºF
Variable winds less than 5 kt becoming WSW 12 to 17 kt in the morning. Winds could gust as high as 23 kt. Sunny.
Wednesday Night
Low : 55ºF
SW wind 8 to 18 kt, with gusts as high as 25 kt. Partly cloudy.
Thursday
High : 63ºF
Variable winds less than 5 kt becoming SW 11 to 16 kt in the afternoon. Winds could gust as high as 22 kt. Sunny.
Thursday Night
Low : 56ºF
W wind 8 to 15 kt, with gusts as high as 21 kt. Mostly clear.
Friday
High : 63ºF
W wind 8 to 16 kt, with gusts as high as 23 kt. Mostly sunny.
Friday Night
Low : 55ºF
W wind 8 to 17 kt, with gusts as high as 24 kt. Mostly clear.

NOAA Buoy Data Near Alcatraz Island, CA See Map

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    Wind Speed Forecast for Alcatraz Island, CA

    MondayTuesdayWednesday
    Wind Speed (MPH) 181258171686481615
    11pm3am7am11am3pm7pm11pm3am7am11am3pm7pm
    MPH 181258171686481615
    DIR WNWWNWWNWWWWWWSSWWSWWWSW

    Current Weather Conditions In Alcatraz Island, CA

    As Of: 38 minutes ago

    • 60ºF
    • 60ºF
    • 12mph
    • 260º (W)
    • 0mph
    • Few Clouds
    • 10mi
    • Unl
    • 29.97"
    • 72%
    • 51ºF

    The weather right now in Alcatraz Island, CA is Clear. The current temperature is 55°F, and the expected high and low for today, Tuesday, July 7, 2020, are 65°F high temperature and 52°F low temperature. The wind is currently blowing at 18 miles per hour, and coming from the West Northwest. The wind is gusting to 0 mph. With the wind and the atmosphere the temperature feels like 60°F farenheit. Expected precipitation is 10 percent, with current humidity at 72 percent, and air pressure at 29.97 in. Visibility is 10 nautical miles. There are no current weather alert(s).