Alcatraz Island, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Oct 1
Partly Cloudy
Close Hourly
64º / 58º 9% SW 15 mph 89%
4am Mostly Cloudy 56º 6% SW 8 mph 100%
5am Mostly Cloudy 56º 6% SW 8 mph 100%
6am Mostly Cloudy 56º 5% SW 8 mph 98%
7am Mostly Cloudy 57º 5% SW 7 mph 96%
8am Mostly Cloudy 58º 4% SW 6 mph 95%
9am Mostly Cloudy 59º 4% SW 6 mph 95%
10am Partly Cloudy 59º 4% SW 7 mph 93%
11am Partly Cloudy 60º 6% SW 8 mph 91%
12pm Partly Cloudy 62º 5% SW 9 mph 87%
1pm Partly Cloudy 63º 4% SW 12 mph 83%
2pm Partly Cloudy 63º 5% WSW 13 mph 83%
3pm Partly Cloudy 64º 5% WSW 14 mph 81%
4pm Partly Cloudy 63º 4% WSW 15 mph 82%
5pm Partly Cloudy 62º 6% WSW 15 mph 83%
6pm Partly Cloudy 62º 10% WSW 14 mph 84%
7pm Partly Cloudy 62º 7% WSW 12 mph 85%
8pm Partly Cloudy 61º 11% WSW 11 mph 87%
9pm Mostly Cloudy 60º 9% WSW 10 mph 89%
10pm Mostly Cloudy 60º 10% WSW 9 mph 89%
11pm Mostly Cloudy 60º 12% WSW 9 mph 88%
Sun
Oct 2
AM Clouds/PM Sun
View Hourly
65º / 56º 12% WSW 13 mph 82%
12am Mostly Cloudy 60º 15% WSW 7 mph 88%
1am Mostly Cloudy 60º 15% WSW 7 mph 88%
2am Mostly Cloudy 59º 9% WSW 6 mph 90%
3am Mostly Cloudy 59º 9% WSW 6 mph 90%
4am Mostly Cloudy 59º 13% WSW 6 mph 88%
5am Mostly Cloudy 59º 9% WSW 5 mph 88%
6am Mostly Cloudy 59º 12% WSW 6 mph 88%
7am Mostly Cloudy 59º 12% WSW 5 mph 87%
8am Mostly Cloudy 59º 11% WSW 5 mph 88%
9am Mostly Cloudy 60º 10% WSW 5 mph 87%
10am Mostly Cloudy 61º 9% SW 6 mph 87%
11am Mostly Cloudy 62º 5% SW 6 mph 85%
12pm Partly Cloudy 63º 5% SW 7 mph 82%
1pm Mostly Sunny 64º 4% WSW 10 mph 79%
2pm Mostly Sunny 64º 3% WSW 11 mph 78%
3pm Sunny 64º 4% WSW 12 mph 76%
4pm Sunny 64º 4% WSW 13 mph 77%
5pm Sunny 63º 4% WSW 13 mph 76%
6pm Sunny 63º 5% WSW 12 mph 77%
7pm Clear 62º 6% WSW 11 mph 80%
8pm Clear 61º 7% W 9 mph 83%
9pm Mostly Clear 60º 8% W 8 mph 86%
10pm Mostly Clear 60º 8% W 6 mph 87%
11pm Mostly Clear 59º 9% W 6 mph 88%
Mon
Oct 3
Partly Cloudy
View Hourly
71º / 56º 8% WSW 13 mph 76%
12am Partly Cloudy 59º 9% W 6 mph 88%
1am Partly Cloudy 58º 8% WSW 5 mph 90%
2am Partly Cloudy 58º 8% W 5 mph 90%
3am Partly Cloudy 58º 9% W 4 mph 91%
Tue
Oct 4
Partly Cloudy 74º / 56º 10% WSW 11 mph 73%
Wed
Oct 5
Mostly Sunny 78º / 55º 8% WSW 11 mph 69%
Thu
Oct 6
Partly Cloudy 79º / 55º 7% NNW 10 mph 66%
Fri
Oct 7
Partly Cloudy 78º / 55º 6% WNW 11 mph 65%
Sat
Oct 8
Mostly Sunny 74º / 55º 6% WSW 12 mph 70%

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 : 57ºF
WSW wind around 12 kt. Mostly cloudy.
Saturday
High : 61ºF
WSW wind 9 to 18 kt, with gusts as high as 26 kt. Mostly sunny.
Saturday Night
Low : 57ºF
WSW wind 11 to 16 kt, with gusts as high as 22 kt. Mostly cloudy.
Sunday
High : 60ºF
WSW wind 9 to 16 kt. Mostly sunny.
Sunday Night
Low : 57ºF
W wind 10 to 17 kt. Partly cloudy.
Monday
High : 60ºF
W wind 7 to 12 kt increasing to 13 to 18 kt in the afternoon. Mostly sunny.
Monday Night
Low : 57ºF
W wind 14 to 19 kt decreasing to 6 to 11 kt in the evening. Partly cloudy.
Tuesday
High : 61ºF
W wind 5 to 8 kt. Mostly sunny.
Tuesday Night
Low : 57ºF
WSW wind 5 to 9 kt. Mostly clear.

NOAA Buoy Data Near Alcatraz Island, CA See Map

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    Wind Speed Forecast for Alcatraz Island, CA

    SaturdaySundayMonday
    Wind Speed (MPH) 869151176571396
    4am8am12pm4pm8pm12am4am8am12pm4pm8pm12am
    MPH 869151176571396
    DIR SWSWSWWSWWSWWSWWSWWSWSWWSWWW

    Current Weather Conditions In Alcatraz Island, CA

    As Of: 2 minutes ago

    • 56ºF
    • 54ºF
    • 8mph
    • 0º (SW)
    • 8mph
    • Mostly Cloudy
    • 10mi
    • 29.81"
    • 100%
    • 0ºF

    The weather right now in Alcatraz Island, CA is Mostly Cloudy. The current temperature is 56°F, and the expected high and low for today, Saturday, October 1, 2022, are 64° high temperature and 58°F low temperature. The wind is currently blowing at 8 miles per hour, and coming from the Southwest. The wind is gusting to 8 mph. With the wind and the atmosphere the temperature feels like 54° Fahrenheit. Expected precipitation is 6 percent, with current humidity at 100 percent, and air pressure at 29.81 in. Visibility is 10 nautical miles. There are no current weather alert(s).