Water Temperature of San Francisco Bay in Menlo Park, CA
Current Water Temperature
Measurement Time: Tuesday, January 13, 2026, 4:45 AM 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, CAStation 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

Five Day Weather Forecast

Tue
H: 70°F
L: 42°F

Wed
H: 67°F
L: 39°F

Thu
H: 72°F
L: 42°F

Fri
H: 67°F
L: 52°F

Sat
H: 66°F
L: 51°F
Air Quality
Nitrogen Dioxide: 49.55 μg/m3
Sulphur Dioxide: 7.65 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:17 AM
Sunset: 5:12 PM
Daylight: 9 hrs 50 mins
Moon Transit: 8:06 AM
Moonset: 12:52 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%
Best Times for Fishing or Hunting
Major Periods
7:36 AM - 10:06 AM3:35 PM - 6:05 PM
Minor Periods
12:22 AM - 1:52 PM2:46 AM - 4:16 AM
Action Rating: 3 out of 5
Cold Weather Advisory issued January 12 at 9:17PM PST until January 13 at 9:00AM PST by NWS San Francisco CA
Effective: Mon January 12, 2026, 9:17 PM
Expires: Tue January 13, 2026, 9:00 AM
* WHAT...Cold conditions with temperatures between 33 and 36 expected. Some outlying regions of the North Bay, East Bay, and extreme interior Central Coast may see temperatures as low as 30 degrees. * WHERE...Interior valleys of the North and East Bay, the Southern Salinas Valley, and interior portions of the Central Coast. * WHEN...From 1 AM to 9 AM PST Tuesday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken. * ADDITIONAL DETAILS...Conditions in the far southern Salinas Valley will be colder with temperatures in the low 30s.
Cover or tend to sensitive crops, plants, and vegetation. Ensure portable heaters are working properly and are used correctly to avoid sparking a fire indoors. Do not use generators or grills inside as carbon monoxide poisoning can result. Check with your local, city, or county officials for information on available warming centers.
Weather Forecast
Air Quality
Nitrogen Dioxide: 37.07 μg/m3
Sulphur Dioxide: 5.98 μg/m3
Ozone: 17.08 μg/m3
Astronomical
Sun Transit: 12:17 AM
Sunset: 5:12 PM
Daylight: 9 hrs 50 mins
Moon Transit: 8:06 AM
Moonset: 12:52 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%
Best Times for Fishing or Hunting
Major Periods
7:36 AM - 10:06 AM3:35 PM - 6:05 PM
Minor Periods
12:22 AM - 1:52 PM2:46 AM - 4:16 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 38.47 μg/m3
Sulphur Dioxide: 5.89 μg/m3
Ozone: 16.88 μg/m3
Astronomical
Sun Transit: 12:17 AM
Sunset: 5:13 PM
Daylight: 9 hrs 51 mins
Moon Transit: 8:55 AM
Moonset: 1:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%
Best Times for Fishing or Hunting
Major Periods
8:25 AM - 10:55 AM4:24 PM - 6:54 PM
Minor Periods
1:01 PM - 2:31 PM3:47 AM - 5:17 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 37.23 μg/m3
Sulphur Dioxide: 5.65 μg/m3
Ozone: 17.12 μg/m3
Astronomical
Sun Transit: 12:18 AM
Sunset: 5:14 PM
Daylight: 9 hrs 52 mins
Moon Transit: 9:46 AM
Moonset: 2:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%
Best Times for Fishing or Hunting
Major Periods
5:16 PM - 7:46 PM9:16 AM - 11:46 AM
Minor Periods
1:48 PM - 3:18 PM4:44 AM - 6:14 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 37.96 μg/m3
Sulphur Dioxide: 5.76 μg/m3
Ozone: 16.32 μg/m3
Astronomical
Sun Transit: 12:18 AM
Sunset: 5:15 PM
Daylight: 9 hrs 54 mins
Moon Transit: 10:39 AM
Moonset: 3:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
6:09 PM - 8:39 PM10:09 AM - 12:39 AM
Minor Periods
2:42 PM - 4:12 PM5:38 AM - 7:08 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 43.24 μg/m3
Sulphur Dioxide: 5.79 μg/m3
Ozone: 8.46 μg/m3
Astronomical
Sun Transit: 12:18 AM
Sunset: 5:16 PM
Daylight: 9 hrs 55 mins
Moon Transit: 11:31 AM
Moonset: 4:13 PM
Moon Phase: New
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
7:01 PM - 9:31 PM11:01 AM - 1:31 PM
Minor Periods
3:43 PM - 5:13 PM6:25 AM - 7:55 AM
Action Rating: 4 out of 5
