Water Temperature of San Francisco Bay in San Mateo, CA

Current Water Temperature

57.2°F

Measurement Time: Wednesday, March 4, 2020, 11:45 PM PST

Temperature Locations

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Local Points of Interest

San Mateo-Hayward Bridge; Foster City, CA; Burlingame, CA; Hayward, CA

San Francisco Bay

Station Name: SAN FRANCISCO BAY 2.8 MI N OF SAN MATEO BRIDGE CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
San Francisco Bay
San Mateo, CA 94401
San Mateo County

GPS Coordinates: 37.63078889, -122.2432

Nearby Water Temperatures

Redwood Creek, Redwood City, CA (8.8 mi)
San Francisco Bay, Alameda, CA (10.2 mi)
San Francisco Bay, Menlo Park, CA (11 mi)
San Francisco Bay, San Francisco, CA (14.6 mi)
Coyote Creek, Alviso, CA (16.6 mi)
San Francisco Bay, San Francisco, CA (16.7 mi)
San Francisco Bay, San Francisco, CA (17.2 mi)
Rodeo Pond, Sausalito, CA (20.7 mi)
Rodeo Lagoon, Sausalito, CA (20.8 mi)
Rodeo Lagoon, Sausalito, CA (21 mi)
San Francisco Bay, Richmond, CA (22.3 mi)
Coyote Creek, San Jose, CA (22.5 mi)
San Francisco Bay, San Rafael, CA (23.8 mi)
Arroyo Valle, Livermore, CA (26.5 mi)
Arroyo Hondo, San Jose, CA (28.5 mi)

Weather for San Mateo, California

Current Weather

57.4°F
Clear
Clear
57.4°F
57.4°F
46%
SSE 2.2 mph
3.5 mph
57.4°F
35.7°F
0 in
0%
6 mi
1014 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 68°F
L: 49°F
Patchy rain nearby
Tue
H: 56°F
L: 50°F
Heavy rain
Wed
H: 56°F
L: 53°F
Mist
Thu
H: 53°F
L: 48°F
Partly Cloudy
Fri
H: 59°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 23.45 μg/m3
PM10: 24.55 μg/m3
Carbon Monoxide: 326.85 μg/m3
Nitrogen Dioxide: 64.25 μg/m3
Sulphur Dioxide: 4.85 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:23 AM
Sunset: 5:42 PM
Daylight: 10 hrs 37 mins
Moonrise: 1:05 AM
Moon Transit: 6:00 AM
Moonset: 10:50 AM
Moon Phase: Last Quarter
Moon Illumination: 41.2%

Best Times for Fishing or Hunting

Major Periods

5:30 AM - 8:00 AM
1:27 PM - 3:57 PM

Minor Periods

10:20 AM - 11:50 AM
12:35 AM - 2:05 AM

Action Rating: 2 out of 5

Monday, February 9, 2026

Weather Forecast

Sunny
68.4°F
49.3°F
56.9°F
68%
0 in
0%
0%
9.6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 11.23 μg/m3
PM10: 13.51 μg/m3
Carbon Monoxide: 211.33 μg/m3
Nitrogen Dioxide: 22.04 μg/m3
Sulphur Dioxide: 4.38 μg/m3
Ozone: 52.68 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:23 AM
Sunset: 5:42 PM
Daylight: 10 hrs 37 mins
Moonrise: 1:05 AM
Moon Transit: 6:00 AM
Moonset: 10:50 AM
Moon Phase: Last Quarter
Moon Illumination: 41.2%

Best Times for Fishing or Hunting

Major Periods

5:30 AM - 8:00 AM
1:27 PM - 3:57 PM

Minor Periods

10:20 AM - 11:50 AM
12:35 AM - 2:05 AM

Action Rating: 2 out of 5

Tuesday, February 10, 2026

Weather Forecast

Patchy rain nearby
56.1°F
49.5°F
52.7°F
74%
0.07 in
87%
0%
15.2 mph
0.4


Air Quality

AQI: 2 - Moderate
PM2.5: 18.43 μg/m3
PM10: 20.39 μg/m3
Carbon Monoxide: 329.85 μg/m3
Nitrogen Dioxide: 46.32 μg/m3
Sulphur Dioxide: 5.41 μg/m3
Ozone: 24.4 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:23 AM
Sunset: 5:43 PM
Daylight: 10 hrs 39 mins
Moonrise: 2:06 AM
Moon Transit: 6:48 AM
Moonset: 11:26 AM
Moon Phase: Last Quarter
Moon Illumination: 30.3%

Best Times for Fishing or Hunting

Major Periods

6:18 AM - 8:48 AM
2:16 PM - 4:46 PM

Minor Periods

10:56 AM - 12:26 AM
1:36 AM - 3:06 AM

Action Rating: 2 out of 5

Wednesday, February 11, 2026

Weather Forecast

Heavy rain
56.1°F
52.9°F
54°F
91%
0.95 in
89%
0%
18.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 7.62 μg/m3
PM10: 10.43 μg/m3
Carbon Monoxide: 166.21 μg/m3
Nitrogen Dioxide: 8.64 μg/m3
Sulphur Dioxide: 2.23 μg/m3
Ozone: 74.44 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 12:23 AM
Sunset: 5:44 PM
Daylight: 10 hrs 41 mins
Moonrise: 3:05 AM
Moon Transit: 7:38 AM
Moonset: 12:10 AM
Moon Phase: Last Quarter
Moon Illumination: 20.5%

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
3:07 PM - 5:37 PM

Minor Periods

11:40 AM - 1:10 PM
2:35 AM - 4:05 AM

Action Rating: 4 out of 5

Thursday, February 12, 2026

Weather Forecast

Mist
53.2°F
47.5°F
50.8°F
93%
0 in
0%
0%
8.9 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 11.8 μg/m3
PM10: 15.28 μg/m3
Carbon Monoxide: 280.25 μg/m3
Nitrogen Dioxide: 17.31 μg/m3
Sulphur Dioxide: 4.58 μg/m3
Ozone: 57.44 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:23 AM
Sunset: 5:45 PM
Daylight: 10 hrs 43 mins
Moonrise: 4:01 AM
Moon Transit: 8:30 AM
Moonset: 1:01 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.2%

Best Times for Fishing or Hunting

Major Periods

8:00 AM - 10:30 AM
3:59 PM - 6:29 PM

Minor Periods

12:31 AM - 2:01 PM
3:31 AM - 5:01 AM

Action Rating: 2 out of 5

Friday, February 13, 2026

Weather Forecast

Partly Cloudy
58.9°F
48.7°F
52.9°F
82%
0 in
0%
0%
8.5 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 11.1 μg/m3
PM10: 14.31 μg/m3
Carbon Monoxide: 213.83 μg/m3
Nitrogen Dioxide: 17 μg/m3
Sulphur Dioxide: 3.12 μg/m3
Ozone: 54.62 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:23 AM
Sunset: 5:46 PM
Daylight: 10 hrs 46 mins
Moonrise: 4:50 AM
Moon Transit: 9:23 AM
Moonset: 1:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.8%

Best Times for Fishing or Hunting

Major Periods

8:53 AM - 11:23 AM
4:52 PM - 7:22 PM

Minor Periods

1:29 PM - 2:59 PM
4:20 AM - 5:50 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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