Hourly Weather Forecast - Greenbrae, CA

12 AM
45°F
10%
2mph
W
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
1 AM
45°F
10%
2mph
W
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
2 AM
45°F
10%
2mph
W
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
3 AM
45°F
10%
2mph
WNW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
4 AM
45°F
10%
2mph
WNW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
5 AM
45°F
10%
1mph
W
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
6 AM
45°F
10%
1mph
W
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
7 AM
46°F
10%
2mph
S
Foggy
Humidity
100%
Feels like
46°F
Dew Point
46°F
7:20 AM
8 AM
46°F
0%
1mph
SSE
Foggy
Humidity
100%
Feels like
46°F
Dew Point
46°F
9 AM
47°F
0%
1mph
SSE
Foggy
Humidity
100%
Feels like
47°F
Dew Point
47°F
10 AM
47°F
0%
1mph
ESE
Foggy
Humidity
100%
Feels like
47°F
Dew Point
47°F
11 AM
48°F
0%
1mph
ENE
Foggy
Humidity
99%
Feels like
48°F
Dew Point
48°F
12 PM
49°F
0%
2mph
N
Mostly Cloudy
Humidity
95%
Feels like
49°F
Dew Point
47°F
1 PM
49°F
0%
2mph
N
Cloudy
Humidity
94%
Feels like
49°F
Dew Point
47°F
2 PM
49°F
0%
2mph
NNW
Cloudy
Humidity
94%
Feels like
49°F
Dew Point
47°F
3 PM
48°F
0%
2mph
WNW
Cloudy
Humidity
94%
Feels like
48°F
Dew Point
47°F
4 PM
48°F
0%
2mph
W
Cloudy
Humidity
95%
Feels like
48°F
Dew Point
46°F
4:52 PM
5 PM
47°F
0%
2mph
W
Cloudy
Humidity
95%
Feels like
47°F
Dew Point
46°F
6 PM
47°F
0%
2mph
W
Cloudy
Humidity
94%
Feels like
47°F
Dew Point
46°F
7 PM
48°F
0%
2mph
W
Cloudy
Humidity
94%
Feels like
48°F
Dew Point
46°F
8 PM
48°F
0%
2mph
WSW
Cloudy
Humidity
93%
Feels like
48°F
Dew Point
47°F
9 PM
49°F
0%
2mph
SW
Cloudy
Humidity
93%
Feels like
49°F
Dew Point
47°F
10 PM
49°F
10%
2mph
SW
Cloudy
Humidity
93%
Feels like
49°F
Dew Point
47°F
11 PM
49°F
10%
3mph
SW
Cloudy
Humidity
93%
Feels like
49°F
Dew Point
47°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide