Dumbarton Bridge, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Aug 22 		Partly Cloudy
Close Hourly 		75º / 60º 0% NW 15 mph 57%
3pm Mostly Sunny 71º 1% NW 15 mph 61%
4pm Partly Cloudy 72º 0% NW 15 mph 60%
5pm Partly Cloudy 71º 1% NW 15 mph 61%
6pm Partly Cloudy 71º 1% NW 12 mph 62%
7pm Partly Cloudy 69º 1% NW 11 mph 65%
8pm Partly Cloudy 67º 2% NW 9 mph 71%
9pm Partly Cloudy 65º 3% NW 7 mph 76%
10pm Partly Cloudy 65º 4% NNW 6 mph 77%
11pm Partly Cloudy 64º 5% NNW 5 mph 79%
Sun
Aug 23 		Partly Cloudy
View Hourly 		79º / 60º 8% NNW 13 mph 66%
12am Partly Cloudy 63º 5% NNW 4 mph 81%
1am Partly Cloudy 62º 6% NNW 4 mph 82%
2am Partly Cloudy 62º 8% NNW 3 mph 84%
3am Mostly Cloudy 61º 8% NNW 3 mph 84%
4am Mostly Cloudy 61º 8% NNW 3 mph 86%
5am Mostly Cloudy 61º 9% NNW 3 mph 86%
6am Mostly Cloudy 61º 9% NNW 3 mph 87%
7am Mostly Cloudy 61º 9% NNW 2 mph 87%
8am Mostly Cloudy 62º 6% NNW 3 mph 84%
9am Mostly Cloudy 64º 5% NNW 3 mph 79%
10am Mostly Cloudy 67º 3% N 4 mph 74%
11am Partly Cloudy 69º 2% N 5 mph 69%
12pm Partly Cloudy 72º 1% NNW 7 mph 65%
1pm Partly Cloudy 75º 0% NNW 9 mph 59%
2pm Partly Cloudy 77º 0% NNW 11 mph 55%
3pm Mostly Cloudy 78º 0% NNW 12 mph 53%
4pm Mostly Cloudy 77º 0% NNW 13 mph 54%
5pm Cloudy 76º 0% NNW 13 mph 55%
6pm Mostly Cloudy 74º 1% NNW 11 mph 59%
7pm Partly Cloudy 71º 2% NNW 11 mph 64%
8pm Mostly Cloudy 68º 3% NNW 9 mph 72%
9pm Mostly Cloudy 66º 5% NNW 8 mph 77%
10pm Mostly Cloudy 64º 6% NNW 7 mph 81%
11pm Mostly Cloudy 64º 6% NNW 6 mph 83%
Mon
Aug 24 		Partly Cloudy
View Hourly 		74º / 59º 8% NNW 14 mph 72%
12am Mostly Cloudy 63º 7% NNW 5 mph 85%
1am Mostly Cloudy 62º 11% NNW 4 mph 87%
2am Partly Cloudy 62º 11% NNW 3 mph 88%
3am Partly Cloudy 62º 12% NNW 3 mph 88%
4am Mostly Cloudy 62º 12% NNW 3 mph 89%
5am Mostly Cloudy 62º 12% NNW 2 mph 88%
6am Mostly Cloudy 61º 9% NNW 3 mph 89%
7am Mostly Cloudy 61º 9% NNW 3 mph 87%
8am Cloudy 62º 7% NW 3 mph 84%
9am Mostly Cloudy 64º 5% NNW 3 mph 81%
10am Partly Cloudy 65º 4% NNW 5 mph 78%
11am Partly Cloudy 67º 3% NNW 6 mph 73%
12pm Partly Cloudy 69º 2% NNW 8 mph 70%
1pm Partly Cloudy 70º 2% NNW 10 mph 68%
2pm Partly Cloudy 72º 1% NNW 12 mph 65%
Tue
Aug 25 		AM Clouds/PM Sun 78º / 60º 20% NNW 13 mph 66%
Wed
Aug 26 		Partly Cloudy 82º / 62º 6% NNW 13 mph 58%
Thu
Aug 27 		Mostly Sunny 80º / 62º 4% NW 13 mph 57%
Fri
Aug 28 		Partly Cloudy 77º / 61º 4% NW 13 mph 60%
Sat
Aug 29 		Partly Cloudy 76º / 59º 4% NW 13 mph 62%

Weather Radar for Dumbarton Bridge, CA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Dumbarton Bridge, CA

Today
High : 62ºF
NW wind 5 to 14 kt. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tonight
Low : 59ºF
NW wind 5 to 8 kt becoming variable and less than 5 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Sunday
High : 63ºF
Variable winds less than 5 kt becoming NW 8 to 13 kt in the afternoon. Partly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Sunday Night
Low : 59ºF
NW wind 6 to 12 kt. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Monday
High : 62ºF
Variable winds less than 5 kt becoming WNW 7 to 12 kt in the afternoon. Winds could gust as high as 18 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Monday Night
Low : 58ºF
WNW wind 5 to 14 kt, with gusts as high as 20 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Tuesday
High : 62ºF
Variable winds less than 5 kt becoming WNW 7 to 12 kt in the afternoon. Winds could gust as high as 18 kt. Partly sunny. N swell 0 ft. Wind waves 1 ft or less.
Tuesday Night
Low : 57ºF
WNW wind 9 to 14 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 21 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Wednesday
High : 63ºF
Variable winds less than 5 kt becoming WNW 7 to 12 kt in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

NOAA Buoy Data Near Dumbarton Bridge, CA See Map

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    Wind Speed Forecast for Dumbarton Bridge, CA

    SaturdaySundayMonday
    Wind Speed (MPH) 1511532512116336
    10pm2am6am10am2pm6pm10pm2am6am10am2pm6pm
    MPH 1511532512116336
    DIR NWNWNNWNNWNNWNNNWNNWNNWNNWNNWNNW

    Current Weather Conditions In Dumbarton Bridge, CA

    As Of: 51 minutes ago

    • 71ºF
    • 71ºF
    • 15mph
    • 0º (NW)
    • 23mph
    • Mostly Sunny
    • 10mi
    • 30.01"
    • 61%
    • 0ºF

    The weather right now in Dumbarton Bridge, CA is Mostly Sunny. The current temperature is 71°F, and the expected high and low for today, Saturday, August 22, 2026, are 75° high temperature and 60°F low temperature. The wind is currently blowing at 15 miles per hour, and coming from the Northwest. The wind is gusting to 23 mph. With the wind and the atmosphere the temperature feels like 71° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 61 percent, and air pressure at 30.01 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 8:56am Sat Aug 22 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM PDT THIS EVENING...

    WHAT: A moderate chop expected.

    WHERE: San Francisco Bay South of the Bay Bridge.

    WHEN: From 3 PM this afternoon to 9 PM PDT this evening.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&