Weather Alert
Alta Plaza Weather Warning NWS WEATHER ALERT FOR THE ALTA PLAZA, CA AREA - DENSE FOG ADVISORY Issued: 454 AM PDT Thu Oct 8 2026 Alta Plaza Weather Warning

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Alta Plaza, CA Weather - Hour by Hour Forecast

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Alta Plaza, CA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Clear. Temperature is 56°F13°C, dew point 55°F13°C, humidity 96%. Wind direction is WNW at 9 mph14 km/h with visibility of 10 mi16 km. Barometric pressure is 29.88 in1012 mb.
Today - Partly cloudy in the morning then becoming sunny. Highs in the mid 60s to upper 70s. West winds 5 to 10 mph... Full Forecast
Tonight - Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph... Full Forecast

Alta Plaza Hourly Weather

24 Hour Forecast Scroll
Thu, Oct 08
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Alta Plaza, CA Hourly Weather - Partly Cloudy - 6:00 AM Alta Plaza, CA Hourly Weather - Mostly Cloudy - 7:00 AM Alta Plaza, CA Hourly Weather - Mostly Cloudy - 8:00 AM Alta Plaza, CA Hourly Weather - Mostly Cloudy - 9:00 AM Alta Plaza, CA Hourly Weather - Partly Cloudy - 10:00 AM Alta Plaza, CA Hourly Weather - Partly Cloudy - 11:00 AM Alta Plaza, CA Hourly Weather - Partly Cloudy - 12:00 PM Alta Plaza, CA Hourly Weather - Partly Cloudy - 1:00 PM Alta Plaza, CA Hourly Weather - Partly Cloudy - 2:00 PM Alta Plaza, CA Hourly Weather - Partly Cloudy - 3:00 PM Alta Plaza, CA Hourly Weather - Partly Cloudy - 4:00 PM Alta Plaza, CA Hourly Weather - Partly Cloudy - 5:00 PM Alta Plaza, CA Hourly Weather - Partly Cloudy - 6:00 PM Alta Plaza, CA Hourly Weather - Mostly Clear - 7:00 PM Alta Plaza, CA Hourly Weather - Mostly Clear - 8:00 PM Alta Plaza, CA Hourly Weather - Mostly Clear - 9:00 PM Alta Plaza, CA Hourly Weather - Partly Cloudy - 10:00 PM Alta Plaza, CA Hourly Weather - Partly Cloudy - 11:00 PM Alta Plaza, CA Hourly Weather - Partly Cloudy - 12:00 AM Alta Plaza, CA Hourly Weather - Partly Cloudy - 1:00 AM Alta Plaza, CA Hourly Weather - Partly Cloudy - 2:00 AM Alta Plaza, CA Hourly Weather - Partly Cloudy - 3:00 AM Alta Plaza, CA Hourly Weather - Mostly Cloudy - 4:00 AM Alta Plaza, CA Hourly Weather - Mostly Cloudy - 5:00 AM
Partly 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 Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy
57°F14°C 57°F14°C 58°F14°C 61°F16°C 65°F18°C 68°F20°C 71°F22°C 73°F23°C 76°F24°C 75°F24°C 73°F23°C 72°F22°C 69°F21°C 67°F19°C 64°F18°C 63°F17°C 62°F17°C 61°F16°C 60°F16°C 60°F16°C 59°F15°C 59°F15°C 58°F14°C 58°F14°C
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0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
55°F13°C 55°F13°C 56°F13°C 58°F14°C 61°F16°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 59°F15°C 57°F14°C 55°F13°C 55°F13°C 54°F12°C 54°F12°C 54°F12°C 55°F13°C 55°F13°C 55°F13°C 56°F13°C 56°F13°C 56°F13°C 55°F13°C 55°F13°C
93% 93% 93% 90% 87% 84% 73% 68% 60% 58% 57% 55% 61% 63% 70% 72% 78% 81% 84% 87% 90% 90% 90% 90%
WNW W W WNW WNW NW NW NW NW NW NW NW NW WNW WNW WNW W W W W SSW SSW SW SW
7 mph 6 mph 6 mph 6 mph 7 mph 7 mph 7 mph 9 mph 9 mph 9 mph 18 mph 18 mph 18 mph 13 mph 13 mph 13 mph 8 mph 8 mph 8 mph 5 mph 5 mph 5 mph 3 mph 3 mph
6 mi10 km 6 mi10 km 5 mi8 km 6 mi10 km 6 mi10 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 6 mi10 km 3 mi5 km .75 mi1 km .5 mi1 km .5 mi1 km .25 mi0 km
Hour (PDT)
Weather
Clouds
Temperature
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POP
Dewpoint
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KSFO model statistics.

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Prob Precip % = Probability of Precipitation.

Alta Plaza 36 Hour Forecast

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

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