Water Temperature of San Francisco Bay in Menlo Park, CA

Current Water Temperature

67.1°F

Measurement Time: Friday, May 9, 2025, 2:45 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

55°F
Partly Cloudy
Conditions: Partly Cloudy
Humidity: 74%
Feels Like: 55.4°F
Wind: W 2.9 mph
Wind Gusts: 6.1 mph
Pressure: 30.01 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Fri
H: 83°F
L: 48°F
Partly Cloudy
Sat
H: 67°F
L: 46°F
Mist
Sun
H: 60°F
L: 47°F
Overcast
Mon
H: 57°F
L: 48°F
Patchy rain nearby
Tue
H: 59°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 16.84 μg/m3
PM10: 24.05 μg/m3
Carbon Monoxide: 292.3 μg/m3
Nitrogen Dioxide: 8.88 μg/m3
Sulphur Dioxide: 2.41 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:04 PM
Sunset: 8:06 PM
Daylight: 14 hrs 2 mins
Moonrise: 5:40 PM
Moon Transit: 11:17 PM
Moonset: 4:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

6:03 AM - 8:33 AM
12:00 AM - 12:00 AM

Minor Periods

5:10 PM - 6:40 PM
3:55 AM - 5:25 AM

Action Rating: 3 out of 5

Friday, May 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 62.5°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 2.5

Air Quality

AQI: 2 - Moderate
PM2.5: 18.89 μg/m3
PM10: 26.8 μg/m3
Carbon Monoxide: 333.96 μg/m3
Nitrogen Dioxide: 10.55 μg/m3
Sulphur Dioxide: 2.65 μg/m3
Ozone: 75.68 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:04 PM
Sunset: 8:06 PM
Daylight: 14 hrs 2 mins
Moonrise: 5:40 PM
Moon Transit: 11:17 PM
Moonset: 4:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

6:03 AM - 8:33 AM
12:00 AM - 12:00 AM

Minor Periods

5:10 PM - 6:40 PM
3:55 AM - 5:25 AM

Action Rating: 3 out of 5

Saturday, May 10, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 54.3°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 2.4

Air Quality

AQI: 2 - Moderate
PM2.5: 17.93 μg/m3
PM10: 25.75 μg/m3
Carbon Monoxide: 314.8 μg/m3
Nitrogen Dioxide: 9.18 μg/m3
Sulphur Dioxide: 2.29 μg/m3
Ozone: 79.32 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:04 PM
Sunset: 8:07 PM
Daylight: 14 hrs 4 mins
Moonrise: 6:39 PM
Moon Transit: 12:00 PM
Moonset: 4:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

6:43 AM - 9:13 AM
12:00 AM - 12:00 AM

Minor Periods

6:09 PM - 7:39 PM
4:17 AM - 5:47 AM

Action Rating: 4 out of 5

Sunday, May 11, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 51.2°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 13.86 μg/m3
PM10: 21.46 μg/m3
Carbon Monoxide: 279.57 μg/m3
Nitrogen Dioxide: 4.16 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 81.84 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:04 PM
Sunset: 8:08 PM
Daylight: 14 hrs 5 mins
Moonrise: 7:39 PM
Moon Transit: 12:00 AM
Moonset: 5:12 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:25 AM - 9:55 AM

Minor Periods

7:09 PM - 8:39 PM
4:42 AM - 6:12 AM

Action Rating: 4 out of 5

Monday, May 12, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 51.7°F
Average Humidity: 85%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 17.01 μg/m3
PM10: 27.28 μg/m3
Carbon Monoxide: 294.45 μg/m3
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 0.92 μg/m3
Ozone: 83.6 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:04 PM
Sunset: 8:09 PM
Daylight: 14 hrs 7 mins
Moonrise: 8:41 PM
Moon Transit: 12:42 AM
Moonset: 5:40 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:12 AM - 2:42 AM
8:10 AM - 10:40 AM

Minor Periods

8:11 PM - 9:41 PM
5:10 AM - 6:40 AM

Action Rating: 4 out of 5

Tuesday, May 13, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 52°F
Average Humidity: 80%
Chance of Rain: 87%
Wind: 11.2 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 13.36 μg/m3
PM10: 21.52 μg/m3
Carbon Monoxide: 272.23 μg/m3
Nitrogen Dioxide: 2.33 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 81.77 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:04 PM
Sunset: 8:10 PM
Daylight: 14 hrs 9 mins
Moonrise: 9:42 PM
Moon Transit: 1:29 AM
Moonset: 6:14 AM
Moon Phase: Full
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:59 AM - 3:29 AM
8:58 AM - 11:28 AM

Minor Periods

9:12 PM - 10:42 PM
5:44 AM - 7:14 AM

Action Rating: 4 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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