Currently: 63 °F. Clear. (Weather station: San Francisco International Airport, USA). See more current weatherOctober 2018 Weather in San Francisco — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
49
52
55
58
61
64
67
70
73
76
79
Mon, Oct 1
Lo:57
12 am
Hi:61
4
Lo:57
6 am
Hi:66
4
Lo:64
12 pm
Hi:73
9
Lo:64
6 pm
Hi:66
5
Tue, Oct 2
Lo:61
12 am
Hi:66
2
Lo:61
6 am
Hi:72
4
Lo:70
12 pm
Hi:73
9
Lo:66
6 pm
Hi:70
8
Wed, Oct 3
Lo:64
12 am
Hi:66
4
Lo:64
6 am
Hi:70
4
Lo:66
12 pm
Hi:73
13
Lo:63
6 pm
Hi:66
9
Thu, Oct 4
Lo:61
12 am
Hi:64
6
Lo:61
6 am
Hi:66
8
Lo:59
12 pm
Hi:70
13
Lo:57
6 pm
Hi:59
12
Fri, Oct 5
Lo:55
12 am
Hi:57
9
Lo:55
6 am
Hi:64
4
Lo:63
12 pm
Hi:70
14
Lo:57
6 pm
Hi:63
17
Sat, Oct 6
Lo:57
12 am
Hi:61
14
Lo:57
6 am
Hi:66
14
Lo:64
12 pm
Hi:70
21
Lo:61
6 pm
Hi:64
16
Sun, Oct 7
Lo:61
12 am
Hi:68
12
Lo:63
6 am
Hi:73
14
Lo:70
12 pm
Hi:77
17
Lo:64
6 pm
Hi:73
13
Mon, Oct 8
Lo:61
12 am
Hi:73
7
Lo:61
6 am
Hi:75
6
Lo:70
12 pm
Hi:79
13
Lo:57
6 pm
Hi:70
12
Tue, Oct 9
Lo:55
12 am
Hi:57
7
Lo:55
6 am
Hi:66
4
Lo:61
12 pm
Hi:73
9
Lo:55
6 pm
Hi:63
8
Wed, Oct 10
Lo:55
12 am
Hi:55
6
Lo:52
6 am
Hi:64
6
Lo:64
12 pm
Hi:66
11
Lo:57
6 pm
Hi:64
6
Thu, Oct 11
Lo:55
12 am
Hi:59
7
Lo:55
6 am
Hi:64
2
Lo:61
12 pm
Hi:68
12
Lo:55
6 pm
Hi:61
16
Fri, Oct 12
Lo:52
12 am
Hi:55
2
Lo:54
6 am
Hi:68
4
Lo:68
12 pm
Hi:79
10
Lo:61
6 pm
Hi:72
12
Sat, Oct 13
Lo:55
12 am
Hi:63
5
Lo:55
6 am
Hi:66
6
Lo:61
12 pm
Hi:66
18
Lo:55
6 pm
Hi:61
12
Sun, Oct 14
Lo:54
12 am
Hi:55
5
Lo:54
6 am
Hi:63
6
Lo:61
12 pm
Hi:70
12
Lo:55
6 pm
Hi:61
12
Mon, Oct 15
Lo:55
12 am
Hi:66
11
Lo:61
6 am
Hi:73
11
Lo:70
12 pm
Hi:79
7
Lo:61
6 pm
Hi:70
11
Tue, Oct 16
Lo:52
12 am
Hi:61
5
Lo:52
6 am
Hi:64
4
Lo:59
12 pm
Hi:73
12
Lo:54
6 pm
Hi:59
14
Wed, Oct 17
Lo:50
12 am
Hi:54
9
Lo:50
6 am
Hi:61
6
Lo:57
12 pm
Hi:68
14
Lo:52
6 pm
Hi:57
14
Thu, Oct 18
Lo:50
12 am
Hi:54
6
Lo:50
6 am
Hi:61
4
Lo:59
12 pm
Hi:68
12
Lo:55
6 pm
Hi:59
14
Fri, Oct 19
Lo:50
12 am
Hi:55
7
Lo:50
6 am
Hi:64
4
Lo:63
12 pm
Hi:72
12
Lo:55
6 pm
Hi:63
15
Sat, Oct 20
Lo:52
12 am
Hi:55
11
Lo:50
6 am
Hi:63
5
Lo:55
12 pm
Hi:64
16
Lo:52
6 pm
Hi:55
17
Sun, Oct 21
Lo:52
12 am
Hi:54
8
Lo:52
6 am
Hi:61
5
Lo:57
12 pm
Hi:61
17
Lo:55
6 pm
Hi:57
16
Mon, Oct 22
Lo:52
12 am
Hi:55
9
Lo:55
6 am
Hi:61
7
Lo:59
12 pm
Hi:63
15
Lo:54
6 pm
Hi:59
11
Tue, Oct 23
Lo:50
12 am
Hi:54
2
Lo:50
6 am
Hi:61
7
Lo:59
12 pm
Hi:64
13
Lo:55
6 pm
Hi:61
14
Wed, Oct 24
Lo:52
12 am
Hi:55
5
Lo:54
6 am
Hi:64
4
Lo:64
12 pm
Hi:70
13
Lo:55
6 pm
Hi:64
16
Thu, Oct 25
Lo:54
12 am
Hi:55
6
Lo:54
6 am
Hi:63
4
Lo:61
12 pm
Hi:70
12
Lo:57
6 pm
Hi:61
17
Fri, Oct 26
Lo:55
12 am
Hi:59
7
Lo:55
6 am
Hi:64
7
Lo:64
12 pm
Hi:72
11
Lo:57
6 pm
Hi:64
17
Sat, Oct 27
Lo:54
12 am
Hi:59
6
Lo:54
6 am
Hi:66
7
Lo:64
12 pm
Hi:70
19
Lo:57
6 pm
Hi:64
14
Sun, Oct 28
Lo:55
12 am
Hi:61
6
Lo:55
6 am
Hi:64
3
Lo:61
12 pm
Hi:72
16
Lo:57
6 pm
Hi:61
21
Mon, Oct 29
Lo:52
12 am
Hi:57
10
Lo:52
6 am
Hi:63
6
Lo:63
12 pm
Hi:66
15
Lo:55
6 pm
Hi:63
16
Tue, Oct 30
Lo:52
12 am
Hi:55
9
Lo:52
6 am
Hi:64
5
Lo:61
12 pm
Hi:68
16
Lo:55
6 pm
Hi:61
9
Wed, Oct 31
Lo:50
12 am
Hi:55
2
Lo:52
6 am
Hi:64
2
Lo:64
12 pm
Hi:73
9
Lo:57
6 pm
Hi:68
7
Monday, October 1, 2018, 12:00 am — 6:00 am
61 / 57 °F
Passing clouds.
Humidity: 86%
Barometer: 29.86 "Hg
WNW
Wind: 4.35 mph
High & Low Weather Summary for October 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 79 °F (Oct 8, 1:56 pm) | 100% (Oct 6, 7:21 am) | 30.20 "Hg (Oct 6, 7:21 am) |
| Low | 50 °F (Oct 17, 5:56 am) | 13% (Oct 15, 12:56 pm) | 29.74 "Hg (Oct 8, 5:56 pm) |
| Average | 61 °F | 72% | 29.97 "Hg |
| * Reported Oct 1 12:56 am — Oct 31 11:56 pm, San Francisco. Weather by CustomWeather, © 2025 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
San Francisco Weather History for October 1, 2018
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:56 am Mon, Oct 1 |  | 61 °F | Passing clouds. | 10 mph | ↑ | 83% | 29.87 "Hg | 10 mi |
| 1:56 am |  | 61 °F | Partly cloudy. | 8 mph | ↑ | 83% | 29.87 "Hg | 10 mi |
| 2:56 am | | 59 °F | Passing clouds. | 5 mph | ↑ | 93% | 29.87 "Hg | 10 mi |
| 3:56 am | | 60 °F | Passing clouds. | No wind | ↑ | 90% | 29.86 "Hg | 10 mi |
| 4:56 am | | 60 °F | Passing clouds. | 5 mph | ↑ | 80% | 29.85 "Hg | 10 mi |
| 5:56 am | | 58 °F | Passing clouds. | No wind | ↑ | 87% | 29.86 "Hg | 10 mi |
| 6:56 am | | 62 °F | Passing clouds. | 3 mph | ↑ | 78% | 29.87 "Hg | 10 mi |
| 7:56 am |  | 62 °F | More clouds than sun. | 5 mph | ↑ | 78% | 29.89 "Hg | 10 mi |
| 8:56 am | | 64 °F | Broken clouds. | 6 mph | ↑ | 78% | 29.88 "Hg | 10 mi |
| 9:56 am |  | 65 °F | Overcast. | 3 mph | ↑ | 76% | 29.89 "Hg | 10 mi |
| 10:56 am | | 66 °F | Partly sunny. | 5 mph | ↑ | 75% | 29.89 "Hg | 10 mi |
| 11:56 am | | 67 °F | Partly sunny. | 8 mph | ↑ | 73% | 29.86 "Hg | 10 mi |
| 12:56 pm |  | 67 °F | Scattered clouds. | 5 mph | ↑ | 73% | 29.85 "Hg | 10 mi |
| 1:56 pm | | 70 °F | Partly sunny. | 3 mph | ↑ | 59% | 29.83 "Hg | 10 mi |
| 2:56 pm | | 70 °F | Broken clouds. | 3 mph | ↑ | 64% | 29.81 "Hg | 10 mi |
| 3:56 pm | | 73 °F | Broken clouds. | 14 mph | ↑ | 50% | 29.80 "Hg | 10 mi |
| 4:56 pm | | 67 °F | Broken clouds. | 17 mph | ↑ | 57% | 29.80 "Hg | 10 mi |
| 5:56 pm | | 64 °F | Partly sunny. | 15 mph | ↑ | 70% | 29.79 "Hg | 10 mi |
| 6:56 pm | | 65 °F | Passing clouds. | 8 mph | ↑ | 66% | 29.78 "Hg | 10 mi |
| 7:56 pm | | 65 °F | Passing clouds. | 3 mph | ↑ | 73% | 29.77 "Hg | 10 mi |
| 8:56 pm | | 64 °F | Partly cloudy. | 3 mph | ↑ | 75% | 29.78 "Hg | 10 mi |
| 9:56 pm | | 65 °F | Passing clouds. | 3 mph | ↑ | 70% | 29.79 "Hg | 10 mi |
| 10:56 pm | | 66 °F | Passing clouds. | No wind | ↑ | 70% | 29.79 "Hg | 10 mi |
| 11:56 pm | | 66 °F | Passing clouds. | 3 mph | ↑ | 70% | 29.79 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||