Weather Alert
St. James Square Weather Warning NWS WEATHER ALERT FOR THE SAINT JAMES SQUARE, CA AREA - Issued: 914 AM PDT Tue Aug 4 2026 St. James Square Weather Warning

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St. James Square, CA Weather - Hour by Hour Forecast

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St. James Square, CA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Clear. Temperature is 64°F18°C, dew point 55°F13°C, humidity 72%. Wind direction is SSE at 7 mph11 km/h with visibility of 7 mi11 km. Barometric pressure is 29.85 in1011 mb.
Today - Sunny. Haze in the morning. Highs in the 90s. Southeast winds around 5 mph...Becoming west in the afternoon... Full Forecast
Tonight - Mostly clear. Lows in the upper 50s. South winds 5 to 10 mph... Full Forecast

St. James Square Hourly Weather

24 Hour Forecast Scroll
Tue, Aug 04
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St. James Square, CA Hourly Weather - Partly Cloudy - 9:00 AM St. James Square, CA Hourly Weather - Mostly Clear - 10:00 AM St. James Square, CA Hourly Weather - Mostly Clear - 11:00 AM St. James Square, CA Hourly Weather - Mostly Clear - 12:00 PM St. James Square, CA Hourly Weather - Clear - 1:00 PM St. James Square, CA Hourly Weather - Clear - 2:00 PM St. James Square, CA Hourly Weather - Clear - 3:00 PM St. James Square, CA Hourly Weather - Mostly Clear - 4:00 PM St. James Square, CA Hourly Weather - Mostly Clear - 5:00 PM St. James Square, CA Hourly Weather - Mostly Clear - 6:00 PM St. James Square, CA Hourly Weather - Mostly Clear - 7:00 PM St. James Square, CA Hourly Weather - Mostly Clear - 8:00 PM St. James Square, CA Hourly Weather - Mostly Clear - 9:00 PM St. James Square, CA Hourly Weather - Mostly Clear - 10:00 PM St. James Square, CA Hourly Weather - Mostly Clear - 11:00 PM St. James Square, CA Hourly Weather - Mostly Clear - 12:00 AM St. James Square, CA Hourly Weather - Cloudy - 1:00 AM St. James Square, CA Hourly Weather - Cloudy - 2:00 AM St. James Square, CA Hourly Weather - Cloudy - 3:00 AM St. James Square, CA Hourly Weather - Cloudy - 4:00 AM St. James Square, CA Hourly Weather - Cloudy - 5:00 AM St. James Square, CA Hourly Weather - Cloudy - 6:00 AM St. James Square, CA Hourly Weather - Cloudy - 7:00 AM St. James Square, CA Hourly Weather - Cloudy - 8:00 AM
Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
68°F20°C 71°F22°C 75°F24°C 78°F26°C 81°F27°C 84°F29°C 83°F28°C 83°F28°C 82°F28°C 78°F26°C 75°F24°C 71°F22°C 69°F21°C 66°F19°C 64°F18°C 64°F18°C 63°F17°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 62°F17°C 62°F17°C 63°F17°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%
54°F12°C 54°F12°C 54°F12°C 55°F13°C 56°F13°C 57°F14°C 57°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 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 57°F14°C 57°F14°C
61% 55% 48% 45% 42% 40% 41% 43% 44% 50% 56% 64% 68% 73% 78% 78% 81% 81% 84% 81% 84% 81% 84% 81%
SSE SSE SSE SW SSW NW NW NW NW NW NW NW NW NW NW W SW SSE SSE SSE SSE SSE SSE SSE
10 mph 4 mph 4 mph 4 mph 8 mph 8 mph 8 mph 11 mph 11 mph 11 mph 10 mph 10 mph 10 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 5 mph 5 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
Precip. Type
POP
Dewpoint
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KSJC model statistics.

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Prob Precip % = Probability of Precipitation.

St. James Square 36 Hour Forecast

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

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