Water Temperature of San Francisco Bay in San Rafael, CA

Current Water Temperature

65.3°F

Measurement Time: Thursday, July 31, 2025, 8:00 PM PDT

Temperature Locations

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Local Points of Interest

Richmond, CA

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San Francisco Bay

Station Name: SAN FRANCISCO BAY A RICHMOND-SAN RAFAEL BRIDGE CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
Richmond-San Rafael Bridge
San Rafael, CA 94801
Marin County

GPS Coordinates: 37.93527778, -122.4463889

Nearby Water Temperatures

San Francisco Bay, Richmond, CA (2.6 mi)
San Francisco Bay, San Francisco, CA (7.6 mi)
Rodeo Pond, Sausalito, CA (8.3 mi)
Rodeo Lagoon, Sausalito, CA (8.5 mi)
Rodeo Lagoon, Sausalito, CA (8.7 mi)
San Francisco Bay, San Francisco, CA (9.0 mi)
San Francisco Bay, San Francisco, CA (9.5 mi)
San Francisco Bay, Alameda, CA (13.8 mi)
Carquinez Strait, Martinez, CA (18.8 mi)
Suisun Bay, Concord, CA (23.7 mi)
San Francisco Bay, San Mateo, CA (23.8 mi)
Pacific Ocean, San Francisco, CA (24.8 mi)
Drakes Bay, Inverness, CA (29.0 mi)
Redwood Creek, Redwood City, CA (32.3 mi)
San Francisco Bay, Menlo Park, CA (34.7 mi)

Weather for San Rafael, California

Current Weather

57.9°F
Overcast
Conditions: Overcast
Humidity: 90%
Feels Like: 56.7°F
Wind: SSW 7.2 mph
Wind Gusts: 11.1 mph
Pressure: 30.05 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Mist
Fri
H: 68°F
L: 57°F
Mist
Sat
H: 68°F
L: 56°F
Mist
Sun
H: 66°F
L: 55°F
Sunny
Mon
H: 66°F
L: 56°F
Sunny
Tue
H: 66°F
L: 56°F

Air Quality

AQI: 2 - Moderate
PM2.5: 9.99 μg/m3
PM10: 13.32 μg/m3
Carbon Monoxide: 183.15 μg/m3
Nitrogen Dioxide: 4.81 μg/m3
Sulphur Dioxide: 2.96 μg/m3
Ozone: 44 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:16 PM
Sunset: 8:19 PM
Daylight: 14 hrs 5 mins
Moonrise: 2:13 PM
Moon Transit: 7:15 PM
Moonset: 12:44 AM
Moon Phase: First Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

1:55 AM - 4:25 AM
6:45 PM - 9:15 PM

Minor Periods

1:43 PM - 3:13 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, August 1, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 60.6°F
Average Humidity: 89%
Chance of Rain: 0%
Wind: 13 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 11.63 μg/m3
PM10: 14.9 μg/m3
Carbon Monoxide: 182.93 μg/m3
Nitrogen Dioxide: 10.58 μg/m3
Sulphur Dioxide: 2.48 μg/m3
Ozone: 33.96 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:16 PM
Sunset: 8:19 PM
Daylight: 14 hrs 5 mins
Moonrise: 2:13 PM
Moon Transit: 7:15 PM
Moonset: 12:44 AM
Moon Phase: First Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

1:55 AM - 4:25 AM
6:45 PM - 9:15 PM

Minor Periods

1:43 PM - 3:13 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, August 2, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 59.9°F
Average Humidity: 89%
Chance of Rain: 0%
Wind: 13.2 mph
UV Index: 2.6

Air Quality

AQI: 1 - Good
PM2.5: 11.18 μg/m3
PM10: 14.39 μg/m3
Carbon Monoxide: 194.18 μg/m3
Nitrogen Dioxide: 8.88 μg/m3
Sulphur Dioxide: 2.31 μg/m3
Ozone: 37.04 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:16 PM
Sunset: 8:18 PM
Daylight: 14 hrs 3 mins
Moonrise: 3:15 PM
Moon Transit: 8:02 PM
Moonset: 12:12 AM
Moon Phase: First Quarter
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
7:32 PM - 10:02 PM

Minor Periods

2:45 PM - 4:15 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, August 3, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 58.6°F
Average Humidity: 88%
Chance of Rain: 0%
Wind: 15.2 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 10.06 μg/m3
PM10: 12.82 μg/m3
Carbon Monoxide: 188.63 μg/m3
Nitrogen Dioxide: 7.34 μg/m3
Sulphur Dioxide: 1.76 μg/m3
Ozone: 41.04 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:15 PM
Sunset: 8:16 PM
Daylight: 14 hrs 1 mins
Moonrise: 4:16 PM
Moon Transit: 8:52 PM
Moonset: 12:45 AM
Moon Phase: First Quarter
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

3:28 AM - 5:58 AM
8:22 PM - 10:52 PM

Minor Periods

3:46 PM - 5:16 PM
12:15 AM - 1:45 AM

Action Rating: 4 out of 5

Monday, August 4, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 60.4°F
Average Humidity: 75%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 11.71 μg/m3
PM10: 14.93 μg/m3
Carbon Monoxide: 203.65 μg/m3
Nitrogen Dioxide: 7.33 μg/m3
Sulphur Dioxide: 2.46 μg/m3
Ozone: 56.08 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:15 PM
Sunset: 8:15 PM
Daylight: 13 hrs 59 mins
Moonrise: 5:15 PM
Moon Transit: 9:44 PM
Moonset: 1:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

4:19 AM - 6:49 AM
9:14 PM - 11:44 PM

Minor Periods

4:45 PM - 6:15 PM
12:55 AM - 2:25 AM

Action Rating: 2 out of 5

Tuesday, August 5, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 59.8°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 16.49 μg/m3
PM10: 19.88 μg/m3
Carbon Monoxide: 266.68 μg/m3
Nitrogen Dioxide: 23.48 μg/m3
Sulphur Dioxide: 3.17 μg/m3
Ozone: 37.85 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 1:15 PM
Sunset: 8:14 PM
Daylight: 13 hrs 57 mins
Moonrise: 6:10 PM
Moon Transit: 10:39 PM
Moonset: 2:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

5:12 AM - 7:42 AM
12:00 AM - 12:00 AM

Minor Periods

5:40 PM - 7:10 PM
1:44 AM - 3:14 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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