What is today's weather forecast for Bel Marin Keyes, CA?

Today's forecast for Bel Marin Keyes shows a low of 46 degrees Fahrenheit. Rain, mainly before 10am.

What is the 7-day weather forecast for Bel Marin Keyes, CA?

The 7-day forecast for Bel Marin Keyes shows highs from 55 to 58 degrees and lows from 46 to 54 degrees Fahrenheit. Expect precipitation on 7 days with chances of 20% or higher.

Will it rain in Bel Marin Keyes, CA this week?

Yes, rain is possible in Bel Marin Keyes this week. Precipitation chances: Wednesday (80% chance), Thursday (50% chance), Friday (90% chance), Saturday (70% chance), Sunday (50% chance), Monday (50% chance), Tuesday (50% chance).

How accurate is the Bel Marin Keyes weather forecast?

WeatherForYou provides highly accurate Bel Marin Keyes 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.

Bel Marin Keyes, CA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

60°F
Feels Like 60°F

Humidity 98% Dew Point 59°F Wind SSE 2 MPH Gusts 3 Barometer N/A

Solar Rad 152 w/m²

Report from a MADIS/MESONET weather station 1.1 mi. N of central Bel Marin Keyes
at 9:10 AM Wed, Dec 17, 2025

Point Forecast at a Glance

WedDec 17

80%

ThuDec 18

20%

FriDec 19

70%

SatDec 20

70%

SunDec 21

50%

MonDec 22

50%

TueDec 23

50%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 55°F to 58°F. Unsettled weather expected with rain likely on at least 7 days.

Climate Context

This week's forecast shows temperatures running 1°F below the historical average for December. Normal highs for this period are around 58°F with lows around 41°F.

This Date in Weather History

1929 - An icestorm in western New York State resulted in much damage and hardship. A Buffalo report stated, "one was kept awake by the breaking limbs, which snapped off with a report much louder than a rifle shot."

Bel Marin Keyes, CA 7 Day Weather Forecast Details

Wednesday Dec 17

Day: Rain, mainly before 10am. Temperature rising to near 62 by noon, then falling to around 55 during the remainder of the day. West wind around 6 mph. Chance of precipitation is 80%.

Night: Mostly cloudy, with a low around 46. Calm wind.

Thursday Dec 18

Day: A 20 percent chance of rain after 10am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 58. Calm wind.

Night: A 50 percent chance of rain. Patchy fog after 11pm. Otherwise, cloudy, with a low around 52. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Friday Dec 19

Day: Rain likely, mainly after 10am. Cloudy, with a high near 58. South wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Night: Rain. Low around 53. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Saturday Dec 20

Day: Rain likely. Cloudy, with a high near 58. Chance of precipitation is 70%.

Night: Rain. Cloudy, with a low around 54.

Sunday Dec 21

Day: Rain. Cloudy, with a high near 58.

Night: Rain. Cloudy, with a low around 53.

Monday Dec 22

Day: Rain likely. Cloudy, with a high near 56.

Night: Rain likely. Cloudy, with a low around 50.

Tuesday Dec 23

Day: Rain likely. Cloudy, with a high near 55.

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.

Your favorites: