Water Temperature of San Francisco Bay in San Francisco, CA

Current Water Temperature

64.6°F

Measurement Time: Monday, October 6, 2025, 8:00 AM PDT

Temperature Locations

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Local Points of Interest

The Embarcadero; Telegraph Hill

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San Francisco Bay

Station Name: SAN FRANCISCO BAY A PIER 17 A SAN FRANCISCO CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 23 feet / 7 meters

Nearest Address:
Pier 17
San Francisco, CA 94111
San Francisco County

GPS Coordinates: 37.80305, -122.3973083

Nearby Water Temperatures

San Francisco Bay, San Francisco, CA (2.1 mi)
San Francisco Bay, San Francisco, CA (3.8 mi)
San Francisco Bay, Alameda, CA (5.7 mi)
Rodeo Pond, Sausalito, CA (7.2 mi)
Rodeo Lagoon, Sausalito, CA (7.4 mi)
Rodeo Lagoon, Sausalito, CA (7.7 mi)
San Francisco Bay, Richmond, CA (8.7 mi)
San Francisco Bay, San Rafael, CA (9.5 mi)
San Francisco Bay, San Mateo, CA (14.6 mi)
Carquinez Strait, Martinez, CA (21.8 mi)
Redwood Creek, Redwood City, CA (22.9 mi)
Pacific Ocean, San Francisco, CA (24.4 mi)
San Francisco Bay, Menlo Park, CA (25.6 mi)
Suisun Bay, Concord, CA (26.2 mi)
Coyote Creek, Alviso, CA (31.1 mi)

Weather for San Francisco, California

Current Weather

82°F
Sunny
Conditions: Sunny
Humidity: 32%
Feels Like: 80.2°F
Wind: WNW 5.4 mph
Wind Gusts: 10.2 mph
Pressure: 29.79 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 2.4

Five Day Weather Forecast

Sunny
Mon
H: 88°F
L: 55°F
Sunny
Tue
H: 69°F
L: 58°F
Fog
Wed
H: 60°F
L: 55°F
Partly Cloudy
Thu
H: 63°F
L: 55°F
Sunny
Fri
H: 64°F
L: 57°F

Air Quality

AQI: 1 - Good
PM2.5: 15.55 μg/m3
PM10: 17.45 μg/m3
Carbon Monoxide: 396.85 μg/m3
Nitrogen Dioxide: 38.05 μg/m3
Sulphur Dioxide: 3.75 μg/m3
Ozone: 51 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:57 AM
Sunset: 6:45 PM
Daylight: 11 hrs 35 mins
Moonrise: 6:28 PM
Moon Transit: 12:00 AM
Moonset: 6:35 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:38 AM - 10:08 AM

Minor Periods

5:58 PM - 7:28 PM
6:05 AM - 7:35 AM

Action Rating: 5 out of 5

Monday, October 6, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 68.4°F
Average Humidity: 53%
Chance of Rain: 0%
Wind: 9.2 mph
UV Index: 1.2

Air Quality

AQI: 2 - Moderate
PM2.5: 18.52 μg/m3
PM10: 19.84 μg/m3
Carbon Monoxide: 241.49 μg/m3
Nitrogen Dioxide: 37.5 μg/m3
Sulphur Dioxide: 5.32 μg/m3
Ozone: 48.84 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:57 AM
Sunset: 6:45 PM
Daylight: 11 hrs 35 mins
Moonrise: 6:28 PM
Moon Transit: 12:00 AM
Moonset: 6:35 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:38 AM - 10:08 AM

Minor Periods

5:58 PM - 7:28 PM
6:05 AM - 7:35 AM

Action Rating: 5 out of 5

Tuesday, October 7, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 62.8°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 1.2

Air Quality

AQI: 2 - Moderate
PM2.5: 21.13 μg/m3
PM10: 22.77 μg/m3
Carbon Monoxide: 329.81 μg/m3
Nitrogen Dioxide: 45.3 μg/m3
Sulphur Dioxide: 4.37 μg/m3
Ozone: 50.12 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:57 AM
Sunset: 6:43 PM
Daylight: 11 hrs 32 mins
Moonrise: 6:57 PM
Moon Transit: 1:02 AM
Moonset: 7:50 AM
Moon Phase: Full
Moon Illumination: 99.1%

Best Times for Fishing or Hunting

Major Periods

12:32 AM - 3:02 AM
8:30 AM - 11:00 AM

Minor Periods

6:27 PM - 7:57 PM
7:20 AM - 8:50 AM

Action Rating: 5 out of 5

Wednesday, October 8, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 57.3°F
Average Humidity: 94%
Chance of Rain: 0%
Wind: 14.3 mph
UV Index: 1.2

Air Quality

AQI: 2 - Moderate
PM2.5: 18.01 μg/m3
PM10: 22.11 μg/m3
Carbon Monoxide: 164.49 μg/m3
Nitrogen Dioxide: 19.49 μg/m3
Sulphur Dioxide: 3.29 μg/m3
Ozone: 76.4 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:56 AM
Sunset: 6:42 PM
Daylight: 11 hrs 30 mins
Moonrise: 7:31 PM
Moon Transit: 1:55 AM
Moonset: 9:08 AM
Moon Phase: Full
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

1:25 AM - 3:55 AM
9:24 AM - 11:54 AM

Minor Periods

7:01 PM - 8:31 PM
8:38 AM - 10:08 AM

Action Rating: 4 out of 5

Thursday, October 9, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 58.4°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 12.25 μg/m3
PM10: 17.04 μg/m3
Carbon Monoxide: 145.65 μg/m3
Nitrogen Dioxide: 6.05 μg/m3
Sulphur Dioxide: 3.01 μg/m3
Ozone: 79.2 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:56 AM
Sunset: 6:40 PM
Daylight: 11 hrs 28 mins
Moonrise: 8:12 PM
Moon Transit: 2:52 AM
Moonset: 10:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

2:22 AM - 4:52 AM
10:22 AM - 12:52 AM

Minor Periods

7:42 PM - 9:12 PM
9:57 AM - 11:27 AM

Action Rating: 2 out of 5

Friday, October 10, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 60°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 9.2 μg/m3
PM10: 12.28 μg/m3
Carbon Monoxide: 157.23 μg/m3
Nitrogen Dioxide: 12.49 μg/m3
Sulphur Dioxide: 3.53 μg/m3
Ozone: 65.62 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 12:56 AM
Sunset: 6:39 PM
Daylight: 11 hrs 25 mins
Moonrise: 9:02 PM
Moon Transit: 3:53 AM
Moonset: 11:45 AM
Moon Phase: Waning Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
11:24 AM - 1:54 PM

Minor Periods

8:32 PM - 10:02 PM
11:15 AM - 12:45 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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