Alcatraz, CA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Partly Cloudy 57°F
Feels Like 57°F  
Humidity 88% Dew Point 53°F Wind Calm Barometer 29.88 in.759 mm
Report from a personal weather station 2 miles SSE of central Alcatraz
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Point Forecast at a Glance

FriNov 14
Fri Nov 14: Mostly Cloudy, Low 56F
 
56
SatNov 15
Sat Nov 15: Showers, High 60F, Low 56F
30%
60
56
SunNov 16
Sun Nov 16: Showers Likely, High 58F, Low 55F
70%
58
55
MonNov 17
Mon Nov 17: Showers Likely, High 56F, Low 52F
70%
56
52
TueNov 18
Tue Nov 18: Sunny, High 58F, Low 53F
58
53
WedNov 19
Wed Nov 19: Showers, High 57F, Low 54F
50%
57
54
ThuNov 20
Thu Nov 20: Showers, High 57F, Low 54F
50%
57
54

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 56°F to 60°F. Unsettled weather expected with rain likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 7°F below the historical average for November. Normal highs for this period are around 65°F with lows around 46°F.

This Date in Weather History

1967 - A surprise snow and ice coating paralyzed Boston during the evening rush hour.

More on this and other weather history

Alcatraz, CA 7 Day Weather Forecast Details

Friday Nov 14

Mostly Cloudy

Night: Mostly cloudy, with a low around 56. North northeast wind around 8 mph.

Saturday Nov 15

Showers

Day: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 60. North wind 6 to 14 mph becoming west southwest in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

Showers Likely

Night: Showers likely, mainly after 4am. Cloudy, with a low around 56. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Nov 16

Showers Likely

Day: Showers likely, mainly after 10am. Mostly cloudy, with a high near 58. Breezy, with a south wind 14 to 24 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Showers

Night: Showers. Low around 55. Windy, with a south southeast wind 25 to 32 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Monday Nov 17

Showers Likely

Day: Showers likely, mainly before 4pm. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Showers

Night: A 30 percent chance of showers before 10pm. Partly cloudy, with a low around 52. Breezy.

Tuesday Nov 18

Sunny

Day: Sunny, with a high near 58.

Mostly Clear

Night: Mostly clear, with a low around 53.

Wednesday Nov 19

Showers

Day: A slight chance of showers after 10am. Partly sunny, with a high near 57.

Showers

Night: A chance of showers. Mostly cloudy, with a low around 54. Breezy.

Thursday Nov 20

Showers

Day: A chance of showers. Partly sunny, with a high near 57. Breezy.

Showers

Night: A chance of showers. Mostly cloudy, with a low around 54. Breezy.

Friday Nov 21

Showers

Day: A slight chance of showers. Mostly sunny, with a high near 59.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.