Water Temperature of San Francisco Bay in San Rafael, CA

Current Water Temperature

58.5°F

Measurement Time: Tuesday, April 7, 2026, 5:00 PM PDT

Temperature Locations

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Local Points of Interest

Richmond, CA

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

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 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 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

50.4°F
Clear
Clear
47.9°F
54.5°F
94%
W 6.3 mph
13.2 mph
54.8°F
44.2°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 82°F
L: 53°F
Overcast
Thu
H: 63°F
L: 56°F
Patchy rain nearby
Fri
H: 57°F
L: 53°F
Patchy rain nearby
Sat
H: 59°F
L: 49°F
Moderate rain
Sun
H: 54°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 10.75 μg/m3
PM10: 13.75 μg/m3
Carbon Monoxide: 161.85 μg/m3
Nitrogen Dioxide: 10.05 μg/m3
Sulphur Dioxide: 2.85 μg/m3
Ozone: 54 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:11 PM
Sunset: 7:39 PM
Daylight: 12 hrs 55 mins
Moonrise: 1:35 AM
Moon Transit: 6:04 AM
Moonset: 10:35 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
1:31 PM - 4:01 PM

Minor Periods

10:05 AM - 11:35 AM
1:05 AM - 2:35 AM

Action Rating: 2 out of 5

Wednesday, April 8, 2026

Weather Forecast

Sunny
82°F
53.1°F
62.3°F
72%
0 in
0%
0%
11.6 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 10.3 μg/m3
PM10: 12.92 μg/m3
Carbon Monoxide: 150.09 μg/m3
Nitrogen Dioxide: 8.98 μg/m3
Sulphur Dioxide: 2.61 μg/m3
Ozone: 68.04 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:11 PM
Sunset: 7:39 PM
Daylight: 12 hrs 55 mins
Moonrise: 1:35 AM
Moon Transit: 6:04 AM
Moonset: 10:35 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
1:31 PM - 4:01 PM

Minor Periods

10:05 AM - 11:35 AM
1:05 AM - 2:35 AM

Action Rating: 2 out of 5

Thursday, April 9, 2026

Weather Forecast

Overcast
63°F
55.6°F
58.1°F
88%
0 in
0%
0%
10.5 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 9.37 μg/m3
PM10: 11.17 μg/m3
Carbon Monoxide: 134.05 μg/m3
Nitrogen Dioxide: 12.87 μg/m3
Sulphur Dioxide: 3.11 μg/m3
Ozone: 46.8 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:11 PM
Sunset: 7:40 PM
Daylight: 12 hrs 57 mins
Moonrise: 2:23 AM
Moon Transit: 6:56 AM
Moonset: 11:32 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:26 AM - 8:56 AM
2:22 PM - 4:52 PM

Minor Periods

11:02 AM - 12:32 AM
1:53 AM - 3:23 AM

Action Rating: 3 out of 5

Friday, April 10, 2026

Weather Forecast

Patchy rain nearby
57.4°F
53.4°F
55.1°F
91%
0.12 in
88%
0%
11.4 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 6.87 μg/m3
PM10: 8.54 μg/m3
Carbon Monoxide: 146.53 μg/m3
Nitrogen Dioxide: 9.1 μg/m3
Sulphur Dioxide: 3.07 μg/m3
Ozone: 55.68 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 1:11 PM
Sunset: 7:41 PM
Daylight: 13 hrs mins
Moonrise: 3:03 AM
Moon Transit: 7:46 AM
Moonset: 12:35 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

7:16 AM - 9:46 AM
3:12 PM - 5:42 PM

Minor Periods

12:05 AM - 1:35 PM
2:33 AM - 4:03 AM

Action Rating: 2 out of 5

Saturday, April 11, 2026

Weather Forecast

Patchy rain nearby
58.9°F
48.8°F
54.6°F
81%
0.13 in
84%
0%
23.5 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 9.48 μg/m3
PM10: 11.07 μg/m3
Carbon Monoxide: 165.01 μg/m3
Nitrogen Dioxide: 14.19 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 48.8 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:10 PM
Sunset: 7:42 PM
Daylight: 13 hrs 2 mins
Moonrise: 3:38 AM
Moon Transit: 8:35 AM
Moonset: 1:38 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

8:05 AM - 10:35 AM
4:00 PM - 6:30 PM

Minor Periods

1:08 PM - 2:38 PM
3:08 AM - 4:38 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Moderate rain
54.2°F
47.2°F
51°F
76%
0.21 in
84%
0%
18.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.99 μg/m3
PM10: 6.41 μg/m3
Carbon Monoxide: 153.85 μg/m3
Nitrogen Dioxide: 4.96 μg/m3
Sulphur Dioxide: 1.76 μg/m3
Ozone: 76.31 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:10 PM
Sunset: 7:43 PM
Daylight: 13 hrs 4 mins
Moonrise: 4:08 AM
Moon Transit: 9:22 AM
Moonset: 2:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:52 AM - 11:22 AM
4:47 PM - 7:17 PM

Minor Periods

2:14 PM - 3:44 PM
3:38 AM - 5:08 AM

Action Rating: 3 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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