Water Temperature of San Francisco Bay in Menlo Park, CA

Current Water Temperature

57.2°F

Measurement Time: Thursday, February 12, 2026, 8:45 PM PST

Temperature Locations

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Local Points of Interest

Don Edwards San Francisco Bay National Wildlife Refuge; Bedwell Bayfront Park; Dumbarton Bridge; Newark, CA; East Palo Alto, CA

San Francisco Bay

Station Name: SOUTH SAN FRANCISCO BAY AT DUMBARTON BRIDGE CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
Dumbarton Bridge
Menlo Park, CA
San Mateo County

GPS Coordinates: 37.5041043, -122.1205192

Nearby Water Temperatures

Redwood Creek, Redwood City, CA (4.9 mi)
Coyote Creek, Alviso, CA (6 mi)
San Francisco Bay, San Mateo, CA (11 mi)
Coyote Creek, San Jose, CA (12 mi)
Arroyo Hondo, San Jose, CA (19.5 mi)
San Francisco Bay, Alameda, CA (20.9 mi)
Arroyo Valle, Livermore, CA (21.5 mi)
San Francisco Bay, San Francisco, CA (25.6 mi)
San Francisco Bay, San Francisco, CA (27.7 mi)
San Francisco Bay, San Francisco, CA (28.2 mi)
Coyote Creek, Coyote, CA (28.7 mi)
Rodeo Pond, Sausalito, CA (31.7 mi)
Rodeo Lagoon, Sausalito, CA (31.7 mi)
Rodeo Lagoon, Sausalito, CA (31.9 mi)
San Francisco Bay, Richmond, CA (33 mi)

Weather for Menlo Park, California

Current Weather

50.5°F
Overcast
Overcast
51°F
47.7°F
94%
SSW 2.2 mph
6.7 mph
47.4°F
44.1°F
0 in
100%
9 mi
1021 mbar
0

Five Day Weather Forecast

Partly Cloudy
Fri
H: 58°F
L: 46°F
Mist
Sat
H: 57°F
L: 46°F
Moderate rain
Sun
H: 58°F
L: 46°F
Heavy rain
Mon
H: 58°F
L: 47°F
Moderate rain
Tue
H: 52°F
L: 43°F

Air Quality

AQI: 1 - Good
PM2.5: 10.95 μg/m3
PM10: 18.55 μg/m3
Carbon Monoxide: 201.85 μg/m3
Nitrogen Dioxide: 11.85 μg/m3
Sulphur Dioxide: 5.75 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:22 AM
Sunset: 5:46 PM
Daylight: 10 hrs 46 mins
Moonrise: 4:49 AM
Moon Transit: 9:22 AM
Moonset: 1:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.8%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

1:29 PM - 2:59 PM
4:19 AM - 5:49 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued February 12 at 8:17PM PST until February 14 at 4:00AM PST by NWS San Francisco CA

Effective: Thu February 12, 2026, 8:17 PM
Expires: Sat February 14, 2026, 4:00 AM

* WHAT...An increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet. * WHERE...Northwest facing Pacific Coast beaches. * WHEN...From 10 PM PST this evening through 4 AM PST Saturday. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves.

Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.
Friday, February 13, 2026

Weather Forecast

Partly Cloudy
57.9°F
45.9°F
50.7°F
91%
0 in
0%
0%
6.3 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 15.39 μg/m3
PM10: 19.65 μg/m3
Carbon Monoxide: 223.69 μg/m3
Nitrogen Dioxide: 36.29 μg/m3
Sulphur Dioxide: 5.62 μg/m3
Ozone: 31.48 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:22 AM
Sunset: 5:46 PM
Daylight: 10 hrs 46 mins
Moonrise: 4:49 AM
Moon Transit: 9:22 AM
Moonset: 1:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.8%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

1:29 PM - 2:59 PM
4:19 AM - 5:49 AM

Action Rating: 2 out of 5

Saturday, February 14, 2026

Weather Forecast

Mist
56.8°F
46.4°F
50.2°F
88%
0 in
0%
0%
8.3 mph
0.6


Air Quality

AQI: 2 - Moderate
PM2.5: 15.72 μg/m3
PM10: 21.59 μg/m3
Carbon Monoxide: 271.41 μg/m3
Nitrogen Dioxide: 36.39 μg/m3
Sulphur Dioxide: 5.34 μg/m3
Ozone: 33.44 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:22 AM
Sunset: 5:47 PM
Daylight: 10 hrs 48 mins
Moonrise: 5:32 AM
Moon Transit: 10:14 AM
Moonset: 3:02 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

5:44 PM - 8:14 PM
9:44 AM - 12:14 AM

Minor Periods

2:32 PM - 4:02 PM
5:02 AM - 6:32 AM

Action Rating: 4 out of 5

Sunday, February 15, 2026

Weather Forecast

Moderate rain
58.3°F
46.4°F
51.3°F
87%
0.73 in
88%
0%
9.8 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 7.23 μg/m3
PM10: 16.59 μg/m3
Carbon Monoxide: 159.65 μg/m3
Nitrogen Dioxide: 11.55 μg/m3
Sulphur Dioxide: 2.47 μg/m3
Ozone: 66.8 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 12:22 AM
Sunset: 5:48 PM
Daylight: 10 hrs 50 mins
Moonrise: 6:09 AM
Moon Transit: 11:04 AM
Moonset: 4:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

6:33 PM - 9:03 PM
10:34 AM - 1:04 PM

Minor Periods

3:38 PM - 5:08 PM
5:39 AM - 7:09 AM

Action Rating: 3 out of 5

Monday, February 16, 2026

Weather Forecast

Heavy rain
58.1°F
47.4°F
52.5°F
76%
0.96 in
89%
0%
19.7 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 5.36 μg/m3
PM10: 5.96 μg/m3
Carbon Monoxide: 188.14 μg/m3
Nitrogen Dioxide: 21.61 μg/m3
Sulphur Dioxide: 2.53 μg/m3
Ozone: 46.6 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 12:22 AM
Sunset: 5:49 PM
Daylight: 10 hrs 53 mins
Moonrise: 6:40 AM
Moon Transit: 11:53 AM
Moonset: 5:14 PM
Moon Phase: New
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:21 PM - 9:51 PM
11:23 AM - 1:53 PM

Minor Periods

4:44 PM - 6:14 PM
6:10 AM - 7:40 AM

Action Rating: 4 out of 5

Tuesday, February 17, 2026

Weather Forecast

Moderate rain
52°F
42.8°F
47.5°F
79%
0.36 in
63%
0%
20.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.08 μg/m3
PM10: 5.37 μg/m3
Carbon Monoxide: 157 μg/m3
Nitrogen Dioxide: 7.95 μg/m3
Sulphur Dioxide: 2.03 μg/m3
Ozone: 81.92 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:22 AM
Sunset: 5:50 PM
Daylight: 10 hrs 55 mins
Moonrise: 7:08 AM
Moon Transit: 12:39 AM
Moonset: 6:21 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:07 PM - 10:37 PM
12:09 AM - 2:39 PM

Minor Periods

5:51 PM - 7:21 PM
6:38 AM - 8:08 AM

Action Rating: 5 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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