New York, NY 73° Los Angeles, CA 66° Chicago, IL 86° Houston, TX 85° Miami, FL 89° Phoenix, AZ 82° Seattle, WA 58° Denver, CO 75° Toronto, ON 71° Vancouver, BC 58°
WeatherLiveCaliforniaSouth San Francisco

South San Francisco, CA Weather (94083)

ZIP codes: 94083 · 94080
Current WeatherSouth San Francisco · 8:58 AM PDT
69° | 55°
60°F
Feels like 59°
Partly cloudy
WindS 6 mph · Gusts 10 mph
Precip44% · 0.03 in
Humidity87% · Dew point 56°
UV index7 High
Air Quality47 Good
Pressure30.03 inHg
Visibility6 mi
Sunrise / Sunset6:40 AM · 7:37 PM · 12h 57m

Weather map — South San Francisco

Full radar →
Now
60°
32%
6 mph
09:00
65°
24%
8 mph
10:00
68°
23%
10 mph
11:00
69°
21%
11 mph
12:00
69°
17%
13 mph
13:00
69°
21%
14 mph
14:00
64°
9%
14 mph
15:00
64°
9%
13 mph
16:00
64°
9%
12 mph
17:00
63°
8%
11 mph
18:00
63°
8%
11 mph
19:00
62°
8%
10 mph
20:00
62°
9%
9 mph
21:00
62°
9%
8 mph
22:00
61°
10%
7 mph
23:00
61°
11%
7 mph
00:00
61°
11%
7 mph
01:00
61°
11%
6 mph
02:00
61°
11%
6 mph
03:00
60°
11%
6 mph
04:00
60°
11%
6 mph
05:00
60°
11%
7 mph
06:00
60°
20%
8 mph
07:00
60°
23%
8 mph

Today · Wed 9/2

High 69°
44% / 0.03 in

Sunny. Winds SW at 14 mph.

Tonight · Wed 9/2

Low 60°
9% / –

Sunny. Winds SW at 8 mph.

Tomorrow · Thu 9/3

63° | 59°
67% / 0.07 in

Showers. Winds S at 17 mph.

7-day trend

South San Francisco · temperature + precipitation

10-day forecast

Updated 8:58 AM

Details & indices

Wind
6 mph S
Gusts 10 mph
Humidity
87%
Dew point 56°
Pressure
30.03 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 47 · US EPA
Allergy
High
Ragweed
Visibility
6 mi
Clear view
Allergy — South San Francisco

🌿 Conditions right now

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

Sun & moon

Sunrise6:40 AM
Sunset7:37 PM
Length of day12h 57m
Moonrise10:29 PM
Moonset12:43 PM
Next full moonSep 26 Harvest Moon
Latitude37.6547°N
Longitude-122.4077°E

Water temps nearby

View all →
Stinson Beach (21 mi)59°
Santa Cruz Main Beach (52 mi)61°
🌤️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
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Fair
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Los Angeles
Partly cloudy
66°
San Diego
Sunny
68°
San Jose
Sunny
60°
San Francisco
Partly cloudy
60°
Fresno
Sunny
61°
Sacramento
Partly cloudy
60°
Data sources · Wednesday, September 2
Where the South San Francisco 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: 37.6547°N, -122.4077°.
NBM + global weather models
Updated: 8:58 AM
Weather in South San Francisco
The 10-day span for South San Francisco runs from a high near 75° on Tuesday down to 55° overnight on Wednesday. About 0.10 in of precipitation is expected in total; the most likely wet day is Thursday (67% chance). Hold onto the patio furniture Thursday: gusts could hit 25 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now South San Francisco is running about 5° warmer than Salinas. Longer view: Mediterranean pattern — nearly all rain lands November through March.
South San Francisco, CA · Elev 13 ft · 37.65°N, 122.41°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: 8:58 AM