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WeatherLive › California › South San Francisco

South San Francisco, CA Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSouth San Francisco · 2:29 AM PDT
20° | 15°
15°C
Feels like 14°
Fog
WindSW 9 mph · Gusts 12 mph
Precip34% · 0.01 in
Humidity95% · Dew point 15°
UV index8 Very high
Air Quality28 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:24 AM · 8:04 PM · 13h 40m

Weather map — South San Francisco

Full radar →
Now
16°
34%
8 mph
03:00
15°
34%
7 mph
04:00
15°
32%
6 mph
05:00
15°
23%
6 mph
06:00
15°
30%
6 mph
07:00
15°
35%
6 mph
08:00
16°
27%
6 mph
09:00
16°
30%
7 mph
10:00
17°
28%
8 mph
11:00
18°
23%
9 mph
12:00
18°
24%
10 mph
13:00
19°
23%
11 mph
14:00
20°
11%
13 mph
15:00
18°
7%
13 mph
16:00
18°
8%
13 mph
17:00
17°
10%
13 mph
18:00
17°
11%
12 mph
19:00
16°
14%
11 mph
20:00
15°
17%
10 mph
21:00
15°
17%
9 mph
22:00
15°
17%
8 mph
23:00
15°
18%
7 mph
00:00
15°
19%
7 mph
01:00
14°
20%
7 mph

Today · Fri 8/14

High 20°
34% / 0.01 in

Partly cloudy. Winds W at 13 mph.

Overnight · Fri 8/14

Low 15°
34% / –

Fog. Winds SW at 7 mph.

Tomorrow · Sat 8/15

18° | 14°
18% / –

Partly cloudy. Winds W at 12 mph.

7-day trend

South San Francisco · temperature + precipitation

10-day forecast

Updated 2:29 AM

Details & indices

Wind
9 mph SW
Gusts 12 mph
Humidity
95%
Dew point 15°
Pressure
29.94 inHg
Rising
UV index
8 — Very high
High today
Air Quality
Good
AQI 28 · US EPA
Allergy
High
Mugwort
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
High
Ragweed
Low

Sun & moon

Sunrise6:24 AM
Sunset8:04 PM
Length of day13h 40m
Moonrise8:28 AM
Moonset9:08 PM
Moon phase🌔 Waxing Crescent
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
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Los Angeles
Mostly cloudy
20°
San Diego
Sunny
20° 🌤️
San Jose
—
—
San Francisco
Partly cloudy
14° 🌤️
Fresno
—
— 🌤️
Sacramento
—
—
Data sources · Friday, August 14
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: 2:29 AM
Weather in South San Francisco
The 10-day span for South San Francisco runs from a high near 21° on Saturday down to 13° overnight on Sunday. Essentially no rain is in the forecast — expect a dry stretch. No active NWS alerts at the moment — quiet on the hazards front. Right now South San Francisco is running about 45° 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: 2:29 AM