Alcatraz, CA Weather Forecast and Current Conditions

WEATHER ALERTS - Beach Hazards Statement

Current Conditions From Nearby Local Station

Partly Cloudy 59°F
Feels Like 59°F  
Humidity 83% Dew Point 54°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: Partly Cloudy, Low 54F
 
54
SatNov 15
Sat Nov 15: Rain, High 59F, Low 57F
20%
59
57
SunNov 16
Sun Nov 16: Thunderstorms, High 57F, Low 53F
80%
57
53
MonNov 17
Mon Nov 17: Rain Likely, High 54F, Low 51F
60%
54
51
TueNov 18
Tue Nov 18: Mostly Sunny, High 55F, Low 51F
55
51
WedNov 19
Wed Nov 19: Rain, High 56F, Low 52F
50%
56
52
ThuNov 20
Thu Nov 20: Rain, High 55F, Low 52F
50%
55
52

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 54°F to 59°F. Unsettled weather expected with rain likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 9°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

1974 - A storm produced 15 inches of snow at the Buffalo, NY, airport, and 30 inches on the south shore of Lake Erie.

More on this and other weather history

Alcatraz, CA 7 Day Weather Forecast Details

Friday Nov 14

Partly Cloudy

Night: Partly cloudy, with a low around 54. West wind around 7 mph becoming north northeast after midnight.

Saturday Nov 15

Rain

Day: A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 59. North wind 5 to 9 mph becoming west in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

Rain

Night: A 50 percent chance of rain. Mostly cloudy, with a low around 57. West southwest wind 14 to 18 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday Nov 16

Thunderstorms

Day: Rain likely, then showers and possibly a thunderstorm after 4pm. High near 57. Breezy, with a south southwest wind 14 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thunderstorms

Night: Showers and possibly a thunderstorm before 10pm, then rain, mainly after 10pm. Low around 53. Breezy, with a south southwest wind 25 to 28 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Nov 17

Rain Likely

Day: Rain likely, mainly before 10am. Partly sunny, with a high near 54. Breezy. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Rain

Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 51. Breezy.

Tuesday Nov 18

Mostly Sunny

Day: Mostly sunny, with a high near 55.

Mostly Clear

Night: Mostly clear, with a low around 51.

Wednesday Nov 19

Rain

Day: A slight chance of rain after 4pm. Mostly sunny, with a high near 56.

Rain

Night: A chance of rain. Mostly cloudy, with a low around 52.

Thursday Nov 20

Rain

Day: A chance of rain. Partly sunny, with a high near 55. Breezy.

Rain

Night: A chance of rain. Mostly cloudy, with a low around 52. Breezy.

Friday Nov 21

Rain

Day: A slight chance of rain. Mostly sunny, with a high near 56.

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.