Marin County, CA Weather Forecast
County weather hub
Patchy Fog then Mostly Sunny
Compare major city weather across Marin County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy fog and a slight chance of rain before 11am. Mostly sunny, with a high near 67.
County Weather Overview
This county weather page brings together forecast coverage for Marin County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 6 of 6 mapped cities in Marin County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 13 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 7:37 PM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Marin County
Wednesday looks like the warmest upcoming period in Marin County at 73 degrees F.
Monday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Monday at about 1 to 7 mph WNW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Apr 9, 2026 7:37 PM PDT
- Coverage
- 4 days
- Time zone
- America/Los_Angeles
- Forecast office
- MTR
- Radar station
- KDAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 39.
Sunny, with a high near 71.
Mostly clear, with a low around 41.
Mostly sunny, with a high near 73.
Partly cloudy, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Apr 13
|
Patchy Fog then Mostly Sunny
|
67°F |
1 to 7 mph
WNW
|
|
Monday Night
Apr 13
|
Mostly Clear
|
39°F |
2 to 7 mph
WNW
|
|
Tuesday
Apr 14
|
Sunny
|
71°F |
1 to 7 mph
W
|
|
Tuesday Night
Apr 14
|
Mostly Clear
|
41°F |
2 to 7 mph
WNW
|
|
Wednesday
Apr 15
|
Mostly Sunny
|
73°F |
2 to 7 mph
WNW
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
44°F |
2 to 7 mph
WNW
|
Major City Forecasts
Live forecast snapshots for major cities across Marin County.
Coverage
Forecast coverage currently spans 6 of 6 mapped cities in Marin County.
Largest mapped city population in this region: 58,528.
