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WeatherLive › California › South San Francisco

South San Francisco, CA Weather (94083)

ZIP codes: 94083 · 94080
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSouth San Francisco · 9:12 AM PDT
20° | 14°
15°C
Feels like 15°
Partly cloudy
WindW 5 mph · Gusts 6 mph
Precip18% · –
Humidity87% · Dew point 13°
UV index8 High
Air Quality58 Moderate
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:42 AM · 7:34 PM · 12h 52m

Weather map — South San Francisco

Full radar →
Now
15°
29%
5 mph
10:00
17°
16%
6 mph
11:00
19°
15%
7 mph
12:00
20°
13%
8 mph
13:00
20°
11%
11 mph
14:00
18°
4%
12 mph
15:00
19°
3%
13 mph
16:00
18°
4%
14 mph
17:00
18°
4%
14 mph
18:00
18°
5%
14 mph
19:00
17°
6%
14 mph
20:00
17°
7%
13 mph
21:00
16°
8%
12 mph
22:00
16°
9%
11 mph
23:00
16°
10%
11 mph
00:00
16°
10%
10 mph
01:00
16°
10%
9 mph
02:00
16°
11%
7 mph
03:00
15°
10%
5 mph
04:00
15°
10%
5 mph
05:00
15°
10%
5 mph
06:00
15°
10%
5 mph
07:00
15°
10%
5 mph
08:00
15°
9%
5 mph

Today · Fri 9/4

High 20°
18% / –

Sunny. Winds NW at 14 mph.

Tonight · Fri 9/4

Low 15°
8% / –

Sunny. Winds W at 12 mph.

Tomorrow · Sat 9/5

18° | 15°
8% / –

Sunny. Winds W at 16 mph.

7-day trend

South San Francisco · temperature + precipitation

10-day forecast

Updated 9:12 AM

Details & indices

Wind
5 mph W
Gusts 6 mph
Humidity
87%
Dew point 13°
Pressure
29.94 inHg
Rising
UV index
8 — High
High today
Air Quality
Moderate
AQI 58 · US EPA
Allergy
Very 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
High

Sun & moon

Sunrise6:42 AM
Sunset7:34 PM
Length of day12h 52m
Moonrise—
Moonset3:05 PM
Moon phase🌗 Last Quarter · 46%
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
Fair
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
18°
San Diego
Sunny
19°
San Jose
Partly cloudy
15°
San Francisco
Fog
14°
Fresno
Sunny
19°
Sacramento
Partly cloudy
15°
Data sources · Friday, September 4
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: 9:12 AM
Weather in South San Francisco
The 10-day span for South San Francisco runs from a high near 25° on Thursday down to 14° overnight on Friday. Essentially no rain is in the forecast — expect a dry stretch. Hold onto the patio furniture Thursday: gusts could hit 37 mph. Heads up: a Beach Hazards Statement is in effect — check the alerts tab before making plans. Right now South San Francisco is running about 47° warmer than Santa Rosa. 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: 9:12 AM