South San Francisco Hourly Weather Forecast
Next 48 Hours
Ask About Weather
Test our newly developed Weather Chatbot. It provides up to 10 days of forecast information!Fri, Sep 18th 2026
Sunny skies in the morning, with Clear conditions expected by night. Temps range from 60° to 64°. Breezy wind from the W at 7.6 mph, with humidity ranging 71% to 87%, and an avg barometric pressure of 30.07 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
5 AM
60°F
59°F
84%
3.6 W
30.09
55°F
0
11%
6 AM
60°F
59°F
84%
3.6 W
30.1
55°F
0
11%
7 AM
60°F
60°F
84%
2.7 W
30.11
55°F
0
11%
8 AM
60°F
60°F
82%
3.4 WSW
30.12
55°F
0.3
10%
9 AM
61°F
60°F
80%
4.7 W
30.12
55°F
1.1
9%
10 AM
62°F
61°F
77%
4.9 W
30.13
55°F
2.5
8%
11 AM
63°F
61°F
76%
5.6 W
30.13
55°F
4.4
8%
12 PM
64°F
62°F
74%
6 WSW
30.12
55°F
5.9
7%
1 PM
64°F
60°F
73%
8.7 WSW
30.1
55°F
6.7
7%
2 PM
64°F
60°F
72%
9.4 W
30.08
55°F
6.4
6%
3 PM
64°F
60°F
71%
10.1 W
30.06
54°F
5
6%
4 PM
64°F
60°F
71%
11 W
30.05
55°F
3.2
6%
5 PM
64°F
60°F
73%
11.2 W
30.02
55°F
1.5
7%
6 PM
63°F
57°F
78%
12.8 W
30.02
56°F
0.5
9%
7 PM
61°F
56°F
82%
12.5 W
30.01
56°F
0
10%
8 PM
60°F
56°F
84%
11 W
30.02
56°F
0
11%
9 PM
60°F
57°F
85%
8.9 W
30.03
56°F
0
11%
10 PM
60°F
58°F
85%
7.4 WSW
30.02
56°F
0
11%
11 PM
60°F
57°F
87%
7.8 WSW
30.01
56°F
0
12%
Sat, Sep 19th 2026
Sunny skies in the morning, with partly cloudy expected by night. Temps range from 58° to 64°. Breezy wind, shifting from WSW to W at 9.2 mph, with humidity levels between 71% to 90%, and an avg barometric pressure of 29.97 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
12 AM
59°F
56°F
88%
9.4 WSW
30.01
56°F
0
15%
1 AM
59°F
55°F
89%
9.4 WSW
30
56°F
0
15%
2 AM
59°F
57°F
88%
7.2 WSW
29.99
55°F
0
15%
3 AM
59°F
57°F
88%
6.7 WSW
29.99
55°F
0
17%
4 AM
58°F
57°F
89%
6.3 SW
29.99
55°F
0
17%
5 AM
59°F
57°F
88%
5.8 SW
29.99
55°F
0
16%
6 AM
58°F
57°F
88%
5.6 SW
29.99
55°F
0
19%
7 AM
58°F
57°F
88%
4.9 SW
29.99
55°F
0
26%
8 AM
59°F
57°F
86%
4.5 SSW
30
54°F
0.3
19%
9 AM
60°F
59°F
81%
4.5 SSW
30
54°F
1.1
10%
10 AM
62°F
61°F
75%
4 SSW
30
54°F
2.6
8%
11 AM
64°F
62°F
71%
4.5 SW
30
54°F
4.6
7%
12 PM
64°F
61°F
72%
7.6 WSW
29.99
55°F
6.1
7%
1 PM
64°F
60°F
72%
9.6 WSW
29.97
55°F
6.8
7%
2 PM
64°F
59°F
74%
11.6 WSW
29.96
55°F
6.4
7%
3 PM
63°F
57°F
75%
13 WSW
29.95
55°F
5.1
8%
4 PM
62°F
56°F
77%
14.3 W
29.94
55°F
3.3
9%
5 PM
62°F
55°F
77%
15 W
29.93
55°F
1.5
9%
6 PM
62°F
55°F
78%
15 W
29.93
55°F
0.5
10%
7 PM
60°F
54°F
82%
12.5 W
29.93
55°F
0
11%
8 PM
59°F
55°F
85%
9.8 W
29.94
55°F
0
22%
9 PM
59°F
53°F
88%
13.4 W
29.95
55°F
0
14%
10 PM
59°F
53°F
88%
13 W
29.95
55°F
0
15%
11 PM
59°F
53°F
90%
13.4 W
29.94
56°F
0
18%
Sun, Sep 20th 2026
Partly cloudy expected later. Temps range from 58° to 59°. Breezy wind from the W at 11 mph, as humidity fluctuates between 88% to 89%, and an avg barometric pressure of 29.93 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
12 AM
59°F
53°F
89%
12.1 W
29.94
55°F
0
19%
1 AM
58°F
53°F
88%
12.1 W
29.93
55°F
0
20%
2 AM
58°F
54°F
88%
10.3 W
29.93
55°F
0
19%
3 AM
58°F
54°F
88%
10.3 W
29.92
55°F
0
20%
4 AM
58°F
54°F
88%
10.1 WSW
29.92
54°F
0
23%
This hour by hour weather report is relevant for ZIP codes 94080, 94083, and 94099, accurately covering areas of South San Francisco, CA.
Currently
| 60°F |
30.08 inHg.
Barometer 84%
Humidity W 3.4mph Wind |
|
| Clear | ||
National Outlook
More Flash Flooding Expected in the Southwest and Plains: 09-17 to 09-19
Thu Sep 17th 2026, 5:06am PDT
Read

