Water Temperature of San Francisco Bay in Menlo Park, CA

Current Water Temperature

70.9°F

Measurement Time: Tuesday, July 8, 2025, 5:45 PM 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

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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 / 0 meters

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 (6.0 mi)
San Francisco Bay, San Mateo, CA (11.0 mi)
Coyote Creek, San Jose, CA (12.0 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 (33.0 mi)

Weather for Menlo Park, California

Current Weather

61.2°F
Overcast
Conditions: Overcast
Humidity: 82%
Feels Like: 61.2°F
Wind: WNW 2.5 mph
Wind Gusts: 4 mph
Pressure: 30.12 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Overcast
Wed
H: 72°F
L: 57°F
Sunny
Thu
H: 86°F
L: 55°F
Sunny
Fri
H: 90°F
L: 56°F
Sunny
Sat
H: 83°F
L: 57°F
Sunny
Sun
H: 81°F
L: 58°F

Air Quality

PM2.5: 17.76 μg/m3
PM10: 19.98 μg/m3
Carbon Monoxide: 222 μg/m3
Nitrogen Dioxide: 13.69 μg/m3
Sulphur Dioxide: 4.81 μg/m3
Ozone: 57 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:13 PM
Sunset: 8:32 PM
Daylight: 14 hrs 36 mins
Moonrise: 8:15 PM
Moon Transit: 12:00 AM
Moonset: 4:25 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:24 AM - 9:54 AM

Minor Periods

7:45 PM - 9:15 PM
3:55 AM - 5:25 AM

Action Rating: 3 out of 5

Wednesday, July 9, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 62.7°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 2.8

Air Quality

AQI: 2 - Moderate
PM2.5: 19.85 μg/m3
PM10: 23.48 μg/m3
Carbon Monoxide: 229.55 μg/m3
Nitrogen Dioxide: 22.5 μg/m3
Sulphur Dioxide: 6.47 μg/m3
Ozone: 60.8 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:13 PM
Sunset: 8:32 PM
Daylight: 14 hrs 36 mins
Moonrise: 8:15 PM
Moon Transit: 12:00 AM
Moonset: 4:25 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:24 AM - 9:54 AM

Minor Periods

7:45 PM - 9:15 PM
3:55 AM - 5:25 AM

Action Rating: 3 out of 5

Thursday, July 10, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 67.7°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 2.9

Air Quality

AQI: 2 - Moderate
PM2.5: 21.23 μg/m3
PM10: 24.49 μg/m3
Carbon Monoxide: 251.16 μg/m3
Nitrogen Dioxide: 24.55 μg/m3
Sulphur Dioxide: 7.27 μg/m3
Ozone: 52.32 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:14 PM
Sunset: 8:32 PM
Daylight: 14 hrs 35 mins
Moonrise: 9:00 PM
Moon Transit: 12:48 AM
Moonset: 5:24 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:18 AM - 2:48 AM
8:19 AM - 10:49 AM

Minor Periods

8:30 PM - 10:00 PM
4:54 AM - 6:24 AM

Action Rating: 5 out of 5

Friday, July 11, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 70.1°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 2.9

Air Quality

AQI: 2 - Moderate
PM2.5: 26.46 μg/m3
PM10: 31.61 μg/m3
Carbon Monoxide: 258.04 μg/m3
Nitrogen Dioxide: 32.16 μg/m3
Sulphur Dioxide: 9.47 μg/m3
Ozone: 59.16 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:14 PM
Sunset: 8:31 PM
Daylight: 14 hrs 34 mins
Moonrise: 9:38 PM
Moon Transit: 1:42 AM
Moonset: 6:31 AM
Moon Phase: Full
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

1:12 AM - 3:42 AM
9:12 AM - 11:42 AM

Minor Periods

9:08 PM - 10:38 PM
6:01 AM - 7:31 AM

Action Rating: 4 out of 5

Saturday, July 12, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 68.3°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 2.9

Air Quality

AQI: 2 - Moderate
PM2.5: 27 μg/m3
PM10: 33 μg/m3
Carbon Monoxide: 324.18 μg/m3
Nitrogen Dioxide: 32.32 μg/m3
Sulphur Dioxide: 8.25 μg/m3
Ozone: 60.77 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:14 PM
Sunset: 8:31 PM
Daylight: 14 hrs 33 mins
Moonrise: 10:11 PM
Moon Transit: 2:35 AM
Moonset: 7:38 AM
Moon Phase: Full
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

2:05 AM - 4:35 AM
10:04 AM - 12:34 AM

Minor Periods

9:41 PM - 11:11 PM
7:08 AM - 8:38 AM

Action Rating: 3 out of 5

Sunday, July 13, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 65.1°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:14 PM
Sunset: 8:30 PM
Daylight: 14 hrs 32 mins
Moonrise: 10:39 PM
Moon Transit: 3:24 AM
Moonset: 8:48 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

2:54 AM - 5:24 AM
10:53 AM - 1:23 PM

Minor Periods

10:09 PM - 11:39 PM
8:18 AM - 9:48 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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