Alcatraz Island, CA Weather Forecast and Current Conditions
| Day | Sky | High / Low | Precip | Wind | Humidity | |
|---|---|---|---|---|---|---|
|
Thu Apr 18 |
 |
Fog Late Close Hourly |
-º / 50º | 13% | SW 11 mph | 95% |
| 10pm |  |
Mostly Cloudy | 53º | 4% | SW 10 mph | 98% |
| 11pm |  |
Cloudy | 52º | 4% | SW 9 mph | 99% |
|
Fri Apr 19 |
|
AM Fog/PM Sun View Hourly |
61º / 51º | 12% | SW 17 mph | 83% |
| 12am | |
Cloudy | 51º | 5% | SW 9 mph | 99% |
| 1am | |
Cloudy | 53º | 4% | SW 8 mph | 93% |
| 2am | |
Foggy | 52º | 4% | SW 7 mph | 94% |
| 3am | |
Foggy | 52º | 4% | SW 7 mph | 95% |
| 4am | |
Foggy | 52º | 8% | SW 7 mph | 94% |
| 5am | |
Foggy | 52º | 14% | SW 7 mph | 94% |
| 6am | |
Foggy | 51º | 13% | SW 7 mph | 95% |
| 7am | |
Foggy | 51º | 13% | SSW 6 mph | 96% |
| 8am | |
Foggy | 52º | 12% | SW 7 mph | 95% |
| 9am | |
Foggy | 53º | 11% | SW 7 mph | 94% |
| 10am |  |
Mostly Cloudy | 54º | 10% | SW 8 mph | 90% |
| 11am |  |
Partly Cloudy | 55º | 8% | SW 10 mph | 87% |
| 12pm |  |
Mostly Sunny | 57º | 5% | SW 11 mph | 81% |
| 1pm | |
Mostly Sunny | 59º | 8% | WSW 13 mph | 76% |
| 2pm |  |
Sunny | 60º | 7% | WSW 14 mph | 74% |
| 3pm | |
Sunny | 60º | 8% | WSW 15 mph | 74% |
| 4pm | |
Sunny | 59º | 9% | WSW 16 mph | 74% |
| 5pm | |
Partly Cloudy | 58º | 9% | WSW 17 mph | 77% |
| 6pm | |
Partly Cloudy | 57º | 10% | WSW 15 mph | 79% |
| 7pm | |
Partly Cloudy | 56º | 11% | WSW 14 mph | 84% |
| 8pm |  |
Partly Cloudy | 55º | 10% | WSW 12 mph | 86% |
| 9pm | |
Partly Cloudy | 55º | 10% | WSW 11 mph | 90% |
| 10pm | |
Partly Cloudy | 54º | 12% | SW 9 mph | 91% |
| 11pm | |
Mostly Cloudy | 53º | 11% | SW 8 mph | 91% |
|
Sat Apr 20 |
|
Partly Cloudy View Hourly |
68º / 51º | 10% | WSW 16 mph | 68% |
| 12am | |
Cloudy | 53º | 12% | SW 8 mph | 92% |
| 1am | |
Cloudy | 53º | 12% | SW 8 mph | 93% |
| 2am | |
Cloudy | 52º | 11% | SW 8 mph | 92% |
| 3am | |
Cloudy | 52º | 12% | SW 8 mph | 91% |
| 4am | |
Mostly Cloudy | 52º | 13% | WSW 8 mph | 91% |
| 5am | |
Mostly Cloudy | 52º | 11% | WSW 8 mph | 90% |
| 6am | |
Mostly Cloudy | 52º | 10% | SW 8 mph | 91% |
| 7am | |
Cloudy | 53º | 9% | SW 6 mph | 89% |
| 8am | |
Mostly Cloudy | 54º | 11% | SW 7 mph | 89% |
| 9am | |
Mostly Cloudy | 55º | 8% | WSW 8 mph | 87% |
| 10am | |
Partly Cloudy | 57º | 8% | WSW 9 mph | 82% |
| 11am | |
Mostly Sunny | 58º | 7% | WSW 10 mph | 77% |
| 12pm | |
Sunny | 60º | 8% | WSW 11 mph | 69% |
| 1pm | |
Sunny | 63º | 6% | WSW 13 mph | 63% |
| 2pm | |
Sunny | 64º | 5% | WSW 15 mph | 58% |
| 3pm | |
Sunny | 66º | 3% | W 16 mph | 51% |
| 4pm | |
Sunny | 66º | 1% | W 16 mph | 49% |
| 5pm | |
Sunny | 65º | 1% | W 16 mph | 50% |
| 6pm | |
Sunny | 64º | 0% | W 15 mph | 51% |
| 7pm | |
Sunny | 62º | 1% | WNW 13 mph | 56% |
| 8pm |  |
Clear | 60º | 1% | WNW 11 mph | 60% |
| 9pm | |
Partly Cloudy | 60º | 2% | WNW 9 mph | 65% |
|
Sun Apr 21 |
|
Partly Cloudy | 68º / 53º | 7% | WSW 13 mph | 73% |
|
Mon Apr 22 |
|
AM Clouds/PM Sun | 69º / 53º | 7% | SW 15 mph | 70% |
|
Tue Apr 23 |
|
AM Clouds/PM Sun | 62º / 51º | 6% | SW 17 mph | 73% |
|
Wed Apr 24 |
|
AM Clouds/PM Sun | 59º / 51º | 5% | WSW 16 mph | 75% |
|
Thu Apr 25 |
|
AM Clouds/PM Sun | 60º / 51º | 19% | W 17 mph | 77% |
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Buoy Data
For Alcatraz Island, CA -
Wind Forecast
In Alcatraz Island, CA -
Radar
In Alcatraz Island, CA -
Marine Forecast
In Alcatraz Island, CA
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 : 53ºF
WSW wind 8 to 12 kt. A chance of drizzle after 11pm.
WSW wind 8 to 12 kt. A chance of drizzle after 11pm.
Friday
High : 58ºF
WSW wind 8 to 15 kt. A chance of drizzle before 11am.
WSW wind 8 to 15 kt. A chance of drizzle before 11am.
Friday Night
Low : 54ºF
WSW wind 9 to 15 kt. A chance of drizzle after 11pm.
WSW wind 9 to 15 kt. A chance of drizzle after 11pm.
Saturday
High : 62ºF
W wind 8 to 12 kt. Partly sunny, then gradually becoming sunny.
W wind 8 to 12 kt. Partly sunny, then gradually becoming sunny.
Saturday Night
Low : 53ºF
W wind 8 to 13 kt. Clear.
W wind 8 to 13 kt. Clear.
Sunday
High : 65ºF
W wind 5 to 10 kt. Sunny.
W wind 5 to 10 kt. Sunny.
Sunday Night
Low : 54ºF
W wind 5 to 12 kt. Mostly clear.
W wind 5 to 12 kt. Mostly clear.
Monday
High : 65ºF
Variable winds less than 5 kt becoming W 5 to 9 kt in the afternoon. Mostly sunny.
Variable winds less than 5 kt becoming W 5 to 9 kt in the afternoon. Mostly sunny.
Monday Night
Low : 54ºF
SW wind 8 to 11 kt. Partly cloudy.
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
| Thursday | Friday | Saturday | ||||||||||
| Wind Speed (MPH) | 10 | 7 | 7 | 8 | 14 | 15 | 9 | 8 | 8 | 9 | 15 | 15 |
| 10pm | 2am | 6am | 10am | 2pm | 6pm | 10pm | 2am | 6am | 10am | 2pm | 6pm | |
| MPH | 10 | 7 | 7 | 8 | 14 | 15 | 9 | 8 | 8 | 9 | 15 | 15 |
| DIR | SW | SW | SW | SW | WSW | WSW | SW | SW | SW | WSW | WSW | W |
Current Weather Conditions In Alcatraz Island, CA
As Of: 15 minutes ago
- 53ºF
- 49ºF
- 10mph
- 0º (SW)
- 10mph
- Mostly Cloudy
- 10mi
- 29.94"
- 98%
- 0ºF
The weather right now in Alcatraz Island, CA is Mostly Cloudy. The current temperature is 53°F, and the expected high and low for today, Thursday, April 18, 2024, are -° high temperature and 50°F low temperature. The wind is currently blowing at 10 miles per hour, and coming from the Southwest. The wind is gusting to 10 mph. With the wind and the atmosphere the temperature feels like 49° Fahrenheit. Expected precipitation is 4 percent, with current humidity at 98 percent, and air pressure at 29.94 in. Visibility is 10 nautical miles. There are no current weather alert(s).
