What is today's weather forecast for Brannan Island, CA?

Today's forecast for Brannan Island shows a low of 52 degrees Fahrenheit. Showers likely before 1am, then a chance of showers after 4am.

What is the 7-day weather forecast for Brannan Island, CA?

The 7-day forecast for Brannan Island shows highs from 56 to 64 degrees and lows from 41 to 53 degrees Fahrenheit. Expect precipitation on 7 days with chances of 20% or higher.

Will it rain in Brannan Island, CA this week?

Yes, rain is possible in Brannan Island this week. Precipitation chances: Thursday (60% chance), Friday (30% chance), Saturday (40% chance), Sunday (60% chance), Monday (50% chance), Wednesday (50% chance), Thursday (50% chance).

How accurate is the Brannan Island weather forecast?

WeatherForYou provides highly accurate Brannan Island forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Brannan Island, CA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

58°F
Feels Like 58°F

Humidity N/A Dew Point N/A Wind WSW 3 MPH Gusts 4 Barometer 29.83 in.757.7 mm

Visibility 12.43 mi.

Report from a MADIS/MESONET weather station 1.6 miles WNW of central Brannan Island
at 6:40 PM Thu, Nov 13, 2025

Point Forecast at a Glance

ThuNov 13

60%

FriNov 14

30%

SatNov 15

SunNov 16

50%

MonNov 17

50%

TueNov 18

WedNov 19

50%

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 57°F to 64°F. Unsettled weather expected with rain likely on at least 6 days.

Climate Context

This week's forecast shows temperatures running 6°F below the historical average for November. Normal highs for this period are around 66°F with lows around 44°F.

This Date in Weather History

1953 - Strong southeasterly winds associated with a Pacific cold front reached 70 mph at Sacramento CA to equal their all-time record. The previous record had been established in a similar weather pattern on December 12th of the previous year.

Brannan Island, CA 7 Day Weather Forecast Details

Thursday Nov 13

Night: Showers likely before 1am, then a chance of showers after 4am. Mostly cloudy, with a low around 52. West southwest wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Nov 14

Day: A chance of showers before 9am, then a chance of showers after 10am. Partly sunny, with a high near 64. East northeast wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Night: Partly cloudy, with a low around 47. North northwest wind 3 to 6 mph.

Saturday Nov 15

Day: Partly sunny, with a high near 64. North northwest wind 7 to 10 mph.

Night: A 40 percent chance of showers. Mostly cloudy, with a low around 53. South southeast wind 6 to 10 mph, with gusts as high as 22 mph.

Sunday Nov 16

Day: A 50 percent chance of showers. Mostly cloudy, with a high near 61.

Night: Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

Monday Nov 17

Day: A chance of showers, mainly before 4pm. Partly sunny, with a high near 59.

Night: A slight chance of showers before 10pm. Partly cloudy, with a low around 44.

Tuesday Nov 18

Day: Mostly sunny, with a high near 59.

Night: Mostly clear, with a low around 41.

Wednesday Nov 19

Day: A slight chance of showers. Mostly sunny, with a high near 57.

Night: A chance of showers. Mostly cloudy, with a low around 45.

Thursday Nov 20

Day: A chance of showers. Partly sunny, with a high near 56.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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