San Francisco International (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 16° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 15° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 13° Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 15° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 15° Celsius;
Overcast.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for San Francisco International
Today (18 September 2025)
| Time |
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
| Temperature |
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
15°
|
16°
|
16°
|
15°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
| Wind direction and speed |
SW
4
|
SW
4
|
SSW
4
|
SSW
5
|
SSW
5
|
SSW
6
|
SSW
7
|
SSW
7
|
SSW
8
|
SW
8
|
SW
7
|
SW
7
|
SW
5
|
WSW
5
|
WSW
5
|
WSW
5
|
SW
4
|
SW
4
|
SW
4
|
| Wind gust (mph) |
8
|
8
|
9
|
11
|
13
|
16
|
16
|
16
|
17
|
17
|
17
|
14
|
12
|
12
|
11
|
10
|
9
|
9
|
10
|
| Visibility |
G
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
97%
|
97%
|
97%
|
96%
|
96%
|
93%
|
91%
|
89%
|
87%
|
87%
|
87%
|
88%
|
91%
|
92%
|
93%
|
94%
|
95%
|
95%
|
95%
|
| UV | - | - | - | 1 | 2 | 3 | 3 | 4 | 3 | 4 | 3 | 1 | 1 | - | - | - | - | - | - |
Friday (19 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
 |
|
 |
|
 |
|
|
 |
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
19°
|
20°
|
20°
|
20°
|
19°
|
18°
|
18°
|
17°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
19°
|
19°
|
20°
|
20°
|
19°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
| Wind direction and speed (mph) |
SW
5
|
SW
5
|
SW
4
|
SW
4
|
SW
3
|
SSW
3
|
SSW
3
|
SSW
3
|
SSW
3
|
SW
3
|
SW
4
|
SW
4
|
SW
4
|
WSW
5
|
WSW
6
|
WSW
6
|
W
6
|
W
6
|
W
6
|
W
5
|
W
4
|
W
4
|
W
4
|
W
3
|
| Wind gust (mph) |
9
|
9
|
8
|
7
|
6
|
7
|
6
|
6
|
7
|
9
|
9
|
10
|
13
|
14
|
15
|
15
|
15
|
14
|
13
|
11
|
9
|
9
|
8
|
8
|
| Visibility (description) |
G
|
G
|
M
|
G
|
G
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
94%
|
95%
|
95%
|
95%
|
95%
|
95%
|
95%
|
95%
|
95%
|
92%
|
89%
|
86%
|
85%
|
78%
|
76%
|
74%
|
75%
|
77%
|
78%
|
83%
|
86%
|
87%
|
89%
|
91%
|
| UV | - | - | - | - | - | - | - | - | 1 | 2 | 3 | 3 | 6 | 6 | 6 | 5 | 3 | 1 | - | - | - | - | - | - |
Saturday (20 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
17°
|
18°
|
19°
|
19°
|
20°
|
19°
|
19°
|
18°
|
17°
|
16°
|
16°
|
16°
|
15°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
19°
|
19°
|
18°
|
18°
|
17°
|
16°
|
15°
|
15°
|
15°
|
15°
|
| Wind direction and speed (mph) |
WNW
4
|
WNW
4
|
WNW
4
|
WNW
4
|
WNW
4
|
NW
4
|
NW
3
|
WNW
3
|
WNW
3
|
WNW
3
|
WNW
3
|
WNW
4
|
WNW
5
|
WNW
5
|
WNW
7
|
WNW
8
|
WNW
9
|
WNW
9
|
WNW
10
|
WNW
9
|
WNW
9
|
WNW
8
|
WNW
7
|
WNW
6
|
| Wind gust (mph) |
8
|
8
|
8
|
8
|
8
|
7
|
6
|
6
|
7
|
8
|
10
|
11
|
13
|
15
|
17
|
18
|
18
|
18
|
18
|
17
|
16
|
14
|
12
|
12
|
| Visibility (description) |
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
92%
|
93%
|
94%
|
94%
|
94%
|
95%
|
95%
|
94%
|
94%
|
92%
|
90%
|
86%
|
81%
|
77%
|
75%
|
73%
|
73%
|
76%
|
82%
|
84%
|
87%
|
91%
|
92%
|
93%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 5 | 6 | 7 | 5 | 3 | 1 | 1 | - | - | - | - | - |
Sunday (21 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
17°
|
16°
|
15°
|
15°
|
14°
|
14°
|
| Feels like temperature (°C) |
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
16°
|
16°
|
17°
|
18°
|
18°
|
17°
|
17°
|
16°
|
15°
|
15°
|
14°
|
14°
|
14°
|
| Wind direction and speed (mph) |
WNW
6
|
WNW
6
|
WNW
6
|
WNW
6
|
WNW
5
|
WNW
5
|
WNW
4
|
WNW
5
|
WNW
4
|
WNW
3
|
WNW
3
|
WNW
4
|
W
5
|
W
5
|
W
6
|
WNW
8
|
WNW
8
|
WNW
8
|
WNW
8
|
WNW
8
|
WNW
7
|
WNW
6
|
WNW
6
|
WNW
5
|
| Wind gust (mph) |
11
|
11
|
11
|
10
|
10
|
9
|
9
|
8
|
8
|
8
|
10
|
11
|
12
|
14
|
15
|
16
|
16
|
16
|
15
|
13
|
12
|
10
|
9
|
8
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
94%
|
94%
|
94%
|
94%
|
96%
|
96%
|
96%
|
96%
|
96%
|
94%
|
92%
|
88%
|
83%
|
78%
|
75%
|
74%
|
73%
|
75%
|
79%
|
86%
|
92%
|
94%
|
96%
|
97%
|
| UV | - | - | - | - | - | - | - | - | 1 | 2 | 3 | 5 | 7 | 7 | 6 | 5 | 3 | 1 | - | - | - | - | - | - |
Monday (22 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
16°
|
17°
|
18°
|
20°
|
20°
|
20°
|
19°
|
16°
|
15°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
16°
|
17°
|
19°
|
19°
|
20°
|
19°
|
18°
|
15°
|
15°
|
| Wind direction and speed (mph) |
W
4
|
W
3
|
WSW
3
|
WSW
3
|
WSW
3
|
WSW
3
|
WSW
3
|
WSW
3
|
W
3
|
W
2
|
WNW
2
|
WNW
3
|
W
3
|
WNW
4
|
W
5
|
W
6
|
WNW
7
|
WNW
8
|
WNW
7
|
WSW
4
|
| Wind gust (mph) |
8
|
7
|
7
|
7
|
6
|
6
|
6
|
6
|
6
|
6
|
7
|
8
|
10
|
11
|
13
|
15
|
15
|
15
|
12
|
9
|
| Visibility (description) |
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
97%
|
98%
|
99%
|
99%
|
99%
|
99%
|
99%
|
99%
|
99%
|
98%
|
95%
|
91%
|
84%
|
76%
|
70%
|
68%
|
67%
|
71%
|
89%
|
96%
|
| UV | - | - | - | - | - | - | - | - | 1 | 2 | 3 | 5 | 7 | 7 | 6 | 5 | 3 | 1 | - | - |
Tuesday (23 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
20%
|
20%
|
10%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
14°
|
14°
|
15°
|
17°
|
19°
|
18°
|
16°
|
16°
|
| Feels like temperature (°C) |
14°
|
14°
|
15°
|
17°
|
19°
|
18°
|
16°
|
16°
|
| Wind direction and speed (mph) |
WSW
4
|
WSW
4
|
S
4
|
SSW
5
|
SW
7
|
WSW
8
|
SW
6
|
SW
5
|
| Wind gust (mph) |
9
|
9
|
11
|
15
|
17
|
15
|
12
|
10
|
| Visibility (description) |
M
|
M
|
M
|
G
|
VG
|
VG
|
G
|
M
|
| Humidity |
98%
|
99%
|
98%
|
89%
|
77%
|
81%
|
93%
|
96%
|
| UV | - | - | 1 | 5 | 6 | 1 | - | - |
Wednesday (24 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
18°
|
20°
|
20°
|
17°
|
16°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
19°
|
19°
|
19°
|
17°
|
16°
|
| Wind direction and speed (mph) |
SW
4
|
SSW
4
|
SSW
4
|
WSW
4
|
W
7
|
W
8
|
WNW
8
|
WNW
7
|
| Wind gust (mph) |
10
|
9
|
10
|
16
|
19
|
18
|
14
|
13
|
| Visibility (description) |
M
|
M
|
M
|
G
|
VG
|
VG
|
VG
|
G
|
| Humidity |
97%
|
97%
|
96%
|
85%
|
72%
|
74%
|
88%
|
92%
|
| UV | - | - | 1 | 5 | 6 | 1 | - | - |
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Forecast for 05:00 (UTC-7), Thu
Updated 07:28 (UTC+1) on Thu 18 Sep 2025
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