Alcatraz, CA Weather - Hour by Hour Forecast

Alcatraz Island, San Francisco Bay, CA 94133 (415) 561-4900
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Alcatraz, CA Weather  - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Cloudy. Temperature is 66°F19°C, dew point 55°F13°C, humidity 67%. Wind direction is SE at 7 mph11 km/h with visibility of 10 mi16 km. Barometric pressure is 30.05 in1018 mb.
Today - Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower to mid 70s. South winds 5 to 10 mph... Becoming west .. Full Forecast
Tonight - Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. West winds 10 to 15 mph...Becoming south up to 5 m.. Full Forecast

Alcatraz Hourly Weather

24 Hour Forecast Scroll
Wed, Sep 02
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Alcatraz, CA Hourly Weather - Mostly Cloudy - 10:00 AM Alcatraz, CA Hourly Weather - Mostly Cloudy - 11:00 AM Alcatraz, CA Hourly Weather - Mostly Cloudy - 12:00 PM Alcatraz, CA Hourly Weather - Mostly Cloudy - 1:00 PM Alcatraz, CA Hourly Weather - Mostly Cloudy - 2:00 PM Alcatraz, CA Hourly Weather - Mostly Cloudy - 3:00 PM Alcatraz, CA Hourly Weather - Partly Cloudy - 4:00 PM Alcatraz, CA Hourly Weather - Partly Cloudy - 5:00 PM Alcatraz, CA Hourly Weather - Partly Cloudy - 6:00 PM Alcatraz, CA Hourly Weather - Partly Cloudy - 7:00 PM Alcatraz, CA Hourly Weather - Partly Cloudy - 8:00 PM Alcatraz, CA Hourly Weather - Partly Cloudy - 9:00 PM Alcatraz, CA Hourly Weather - Partly Cloudy - 10:00 PM Alcatraz, CA Hourly Weather - Partly Cloudy - 11:00 PM Alcatraz, CA Hourly Weather - Partly Cloudy - 12:00 AM Alcatraz, CA Hourly Weather - Cloudy - 1:00 AM Alcatraz, CA Hourly Weather - Cloudy - 2:00 AM Alcatraz, CA Hourly Weather - Cloudy - 3:00 AM Alcatraz, CA Hourly Weather - Cloudy - 4:00 AM Alcatraz, CA Hourly Weather - Cloudy - 5:00 AM Alcatraz, CA Hourly Weather - Cloudy - 6:00 AM Alcatraz, CA Hourly Weather - Cloudy - 7:00 AM Alcatraz, CA Hourly Weather - Cloudy - 8:00 AM Alcatraz, CA Hourly Weather - Cloudy - 9:00 AM
Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
67°F19°C 68°F20°C 70°F21°C 71°F22°C 73°F23°C 72°F22°C 72°F22°C 71°F22°C 69°F21°C 68°F20°C 66°F19°C 65°F18°C 65°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 64°F18°C
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17% 17% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 4% 4% 4% 4% 4% 4% 19% 19% 19% 19%
57°F14°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 56°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C
70% 68% 63% 61% 57% 59% 57% 59% 63% 63% 68% 70% 70% 73% 73% 75% 75% 75% 78% 78% 78% 78% 78% 75%
SSE SW SW SSW SSW SSW W W W W W W W W W W W SSW SSW SSW SW SSE S S
8 mph 8 mph 8 mph 11 mph 11 mph 11 mph 15 mph 15 mph 15 mph 11 mph 11 mph 11 mph 12 mph 12 mph 12 mph 7 mph 7 mph 7 mph 6 mph 6 mph 6 mph 9 mph 9 mph 9 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (PDT)
Weather
Clouds
Temperature
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KOAK model statistics.

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Prob Precip % = Probability of Precipitation.

Alcatraz 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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