Water Temperature of San Francisco Bay in Menlo Park, CA

Current Water Temperature

62.4°F

Measurement Time: Friday, March 13, 2026, 6:45 AM PDT

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

70°F
Partly cloudy
Partly cloudy
70°F
65.9°F
46%
NW 6.3 mph
7.2 mph
65.9°F
51.9°F
0 in
50%
9 mi
1019 mbar
4

Five Day Weather Forecast

Sunny
Fri
H: 68°F
L: 48°F
Mist
Sat
H: 66°F
L: 49°F
Partly Cloudy
Sun
H: 76°F
L: 50°F
Sunny
Mon
H: 86°F
L: 56°F
Sunny
Tue
H: 81°F
L: 57°F

Air Quality

AQI: 2 - Moderate
PM2.5: 17.45 μg/m3
PM10: 18.65 μg/m3
Carbon Monoxide: 171.85 μg/m3
Nitrogen Dioxide: 58.75 μg/m3
Sulphur Dioxide: 6.95 μg/m3
Ozone: 4 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:00 AM
Sunset: 7:14 PM
Daylight: 11 hrs 52 mins
Moonrise: 4:27 AM
Moon Transit: 9:04 AM
Moonset: 1:46 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
4:33 PM - 7:03 PM

Minor Periods

1:16 PM - 2:46 PM
3:57 AM - 5:27 AM

Action Rating: 3 out of 5

Friday, March 13, 2026

Weather Forecast

Sunny
67.8°F
48.4°F
56.4°F
77%
0 in
0%
0%
6.3 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 14.94 μg/m3
PM10: 16.39 μg/m3
Carbon Monoxide: 194.25 μg/m3
Nitrogen Dioxide: 38.05 μg/m3
Sulphur Dioxide: 6.86 μg/m3
Ozone: 37.16 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:00 AM
Sunset: 7:14 PM
Daylight: 11 hrs 52 mins
Moonrise: 4:27 AM
Moon Transit: 9:04 AM
Moonset: 1:46 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
4:33 PM - 7:03 PM

Minor Periods

1:16 PM - 2:46 PM
3:57 AM - 5:27 AM

Action Rating: 3 out of 5

Saturday, March 14, 2026

Weather Forecast

Mist
65.8°F
49.1°F
54.2°F
87%
0 in
0%
0%
8.7 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 11.62 μg/m3
PM10: 13.17 μg/m3
Carbon Monoxide: 158.65 μg/m3
Nitrogen Dioxide: 31.98 μg/m3
Sulphur Dioxide: 5.29 μg/m3
Ozone: 37.84 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:00 AM
Sunset: 7:15 PM
Daylight: 11 hrs 54 mins
Moonrise: 5:05 AM
Moon Transit: 9:54 AM
Moonset: 2:50 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

5:23 PM - 7:53 PM
9:24 AM - 11:54 AM

Minor Periods

2:20 PM - 3:50 PM
4:35 AM - 6:05 AM

Action Rating: 2 out of 5

Sunday, March 15, 2026

Weather Forecast

Partly Cloudy
76.3°F
49.6°F
60.6°F
69%
0 in
0%
0%
6.3 mph
1.3


Air Quality

AQI: 2 - Moderate
PM2.5: 15.69 μg/m3
PM10: 16.75 μg/m3
Carbon Monoxide: 210.61 μg/m3
Nitrogen Dioxide: 32.01 μg/m3
Sulphur Dioxide: 5.81 μg/m3
Ozone: 39.84 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:00 AM
Sunset: 7:16 PM
Daylight: 11 hrs 57 mins
Moonrise: 5:38 AM
Moon Transit: 10:43 AM
Moonset: 3:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

6:11 PM - 8:41 PM
10:13 AM - 12:43 AM

Minor Periods

3:26 PM - 4:56 PM
5:08 AM - 6:38 AM

Action Rating: 2 out of 5

Monday, March 16, 2026

Weather Forecast

Sunny
86.2°F
56.3°F
67.6°F
49%
0 in
0%
0%
5.4 mph
1.4


Air Quality

AQI: 2 - Moderate
PM2.5: 18.29 μg/m3
PM10: 19.23 μg/m3
Carbon Monoxide: 278.93 μg/m3
Nitrogen Dioxide: 40.41 μg/m3
Sulphur Dioxide: 5.77 μg/m3
Ozone: 41.68 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:00 AM
Sunset: 7:17 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:08 AM
Moon Transit: 11:30 AM
Moonset: 5:03 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

6:58 PM - 9:28 PM
11:00 AM - 1:30 PM

Minor Periods

4:33 PM - 6:03 PM
5:38 AM - 7:08 AM

Action Rating: 4 out of 5

Tuesday, March 17, 2026

Weather Forecast

Sunny
81.2°F
57.2°F
67.6°F
49%
0 in
0%
0%
6.5 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 22.66 μg/m3
PM10: 23.5 μg/m3
Carbon Monoxide: 531.1 μg/m3
Nitrogen Dioxide: 57.03 μg/m3
Sulphur Dioxide: 7 μg/m3
Ozone: 25.15 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:00 AM
Sunset: 7:18 PM
Daylight: 12 hrs 2 mins
Moonrise: 6:34 AM
Moon Transit: 12:17 AM
Moonset: 6:10 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

7:45 PM - 10:15 PM
11:47 AM - 2:17 PM

Minor Periods

5:40 PM - 7:10 PM
6:04 AM - 7:34 AM

Action Rating: 6 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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