Greenbrae, CA Weather Forecast
Local 7-day forecast
Patchy Fog then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Greenbrae, CA in one place.
Patchy fog before 10am. Mostly sunny, with a high near 79. Southwest wind 1 to 7 mph.
Local Weather Overview
This forecast page for Greenbrae, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 14, 2026 6:05 PM PDT.
The active forecast window currently covers Sep 16 to Sep 20, 2026 for Greenbrae, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 6:05 PM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Greenbrae
Saturday looks like the warmest upcoming period in Greenbrae at 86 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Wednesday at about 1 to 7 mph SW.
The forecast from Sep 16 through Sep 20 stays mostly dry.
Forecast Details
- Last updated
- Sep 14, 2026 6:05 PM PDT
- Coverage
- 6 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
Partly cloudy, with a low around 52.
Patchy fog before 10am. Mostly sunny, with a high near 79.
Mostly clear, with a low around 53.
Areas of fog before 9am. Sunny, with a high near 83.
Mostly clear, with a low around 54.
Sunny, with a high near 86.
Mostly clear, with a low around 54.
Mostly sunny, with a high near 84.
Partly cloudy, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Patchy Fog then Mostly Sunny
|
79°F |
1 to 7 mph
SW
|
|
Wednesday Night
Sep 16
|
Partly Cloudy
|
52°F |
1 to 7 mph
WSW
|
|
Thursday
Sep 17
|
Patchy Fog then Mostly Sunny
|
79°F |
1 to 7 mph
SW
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
53°F |
0 to 7 mph
W
|
|
Friday
Sep 18
|
Areas Of Fog then Sunny
|
83°F |
0 to 7 mph
W
|
|
Friday Night
Sep 18
|
Mostly Clear
|
54°F |
0 to 7 mph
SW
|
|
Saturday
Sep 19
|
Sunny
|
86°F |
0 to 6 mph
SSW
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
54°F |
0 to 6 mph
SW
|
|
Sunday
Sep 20
|
Mostly Sunny
|
84°F |
0 to 6 mph
SW
|
|
Sunday Night
Sep 20
|
Partly Cloudy
|
54°F |
1 to 6 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greenbrae.