New York, NY 87° Los Angeles, CA 88° Chicago, IL 96° Houston, TX 87° Miami, FL 78° Phoenix, AZ 104° Seattle, WA 65° Denver, CO 91° Toronto, ON 80° Vancouver, BC 66°
WeatherLiveCaliforniaFairfax

Fairfax, CA Weather (94978)

ZIP codes: 94978 · 94930
Current WeatherFairfax · 1:33 PM PDT
67° | 52°
65°F
Feels like 61°
Sunny
WindS 8 mph · Gusts 9 mph
Precip8% · –
Humidity58% · Dew point 50°
UV index8 High
Air Quality51 Moderate
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:42 AM · 7:35 PM · 12h 53m

Weather map — Fairfax

Full radar →
Now
65°
3%
8 mph
14:00
66°
2%
10 mph
15:00
67°
2%
11 mph
16:00
67°
2%
11 mph
17:00
66°
2%
12 mph
18:00
65°
2%
11 mph
19:00
62°
4%
10 mph
20:00
59°
8%
9 mph
21:00
58°
11%
9 mph
22:00
58°
13%
8 mph
23:00
58°
12%
7 mph
00:00
58°
12%
6 mph
01:00
57°
12%
4 mph
02:00
57°
11%
3 mph
03:00
57°
10%
2 mph
04:00
57°
10%
3 mph
05:00
57°
9%
3 mph
06:00
57°
9%
3 mph
07:00
56°
8%
2 mph
08:00
56°
6%
2 mph
09:00
58°
4%
1 mph
10:00
61°
4%
2 mph
11:00
63°
3%
4 mph
12:00
64°
3%
6 mph

Today · Fri 9/4

High 67°
8% / –

Sunny. Winds W at 12 mph.

Tonight · Fri 9/4

Low 56°
11% / –

Sunny. Winds W at 9 mph.

Tomorrow · Sat 9/5

68° | 56°
6% / –

Sunny. Winds SW at 11 mph.

7-day trend

Fairfax · temperature + precipitation

10-day forecast

Updated 1:33 PM

Details & indices

Wind
8 mph S
Gusts 9 mph
Humidity
58%
Dew point 50°
Pressure
29.94 inHg
Rising
UV index
8 — High
High today
Air Quality
Moderate
AQI 51 · US EPA
Allergy
Very high
Ragweed
Visibility
6 mi
Clear view
Allergy — Fairfax

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
High

Sun & moon

Sunrise6:42 AM
Sunset7:35 PM
Length of day12h 53m
Moonrise
Moonset3:07 PM
Next full moonSep 26 Harvest Moon
Latitude37.9871°N
Longitude-122.5889°E

Water temps nearby

View all →
Stinson Beach (7 mi)59°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Great
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Los Angeles
Sunny
88°
San Diego
Sunny
83°
San Jose
Partly cloudy
76°
San Francisco
Partly cloudy
68°
Fresno
Sunny
86°
Sacramento
Partly cloudy
77°
Data sources · Friday, September 4
Where the Fairfax forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 37.9871°N, -122.5889°.
NBM + global weather models
Updated: 1:33 PM
Weather in Fairfax
Fairfax's outlook: warmest day near 78° (Thursday), coldest night about 52° (Friday). Essentially no rain is in the forecast — expect a dry stretch. Expect a blustery spell — gusts near 29 mph on Thursday. Heads up: a Coastal Flood Advisory is in effect — check the alerts tab before making plans. Right now Fairfax is about 21° cooler than nearby Fresno. Longer view: Mediterranean pattern — nearly all rain lands November through March.
Fairfax, CA · Elev 115 ft · 37.99°N, 122.59°W · California · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 1:33 PM