Currently: 88 °F. Partly sunny. (Weather station: San Antonio International Airport, USA). See more current weatherJanuary 2018 Weather in San Antonio — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
20
25
30
35
40
45
50
55
60
65
70
75
Mon, Jan 1
Lo:27
12 am
Hi:28
16
Lo:27
6 am
Hi:28
14
Lo:28
12 pm
Hi:30
9
Lo:28
6 pm
Hi:30
7
Tue, Jan 2
Lo:28
12 am
Hi:30
8
Lo:28
6 am
Hi:34
8
Lo:32
12 pm
Hi:34
9
Lo:28
6 pm
Hi:30
12
Wed, Jan 3
Lo:21
12 am
Hi:28
5
Lo:23
6 am
Hi:45
4
Lo:48
12 pm
Hi:55
5
Lo:34
6 pm
Hi:46
4
Thu, Jan 4
Lo:30
12 am
Hi:32
6
Lo:30
6 am
Hi:54
4
Lo:52
12 pm
Hi:55
7
Lo:46
6 pm
Hi:50
4
Fri, Jan 5
Lo:45
12 am
Hi:46
1
Lo:45
6 am
Hi:50
2
Lo:54
12 pm
Hi:61
6
Lo:46
6 pm
Hi:48
6
Sat, Jan 6
Lo:39
12 am
Hi:46
2
Lo:43
6 am
Hi:55
1
Lo:57
12 pm
Hi:63
7
Lo:55
6 pm
Hi:57
9
Sun, Jan 7
Lo:54
12 am
Hi:55
7
Lo:55
6 am
Hi:63
9
Lo:64
12 pm
Hi:66
9
Lo:55
6 pm
Hi:64
7
Mon, Jan 8
Lo:54
12 am
Hi:55
16
Lo:52
6 am
Hi:64
12
Lo:64
12 pm
Hi:72
9
Lo:46
6 pm
Hi:59
5
Tue, Jan 9
Lo:39
12 am
Hi:45
4
Lo:37
6 am
Hi:61
4
Lo:64
12 pm
Hi:68
7
Lo:46
6 pm
Hi:55
3
Wed, Jan 10
Lo:45
12 am
Hi:48
6
Lo:46
6 am
Hi:59
5
Lo:63
12 pm
Hi:72
16
Lo:61
6 pm
Hi:64
11
Thu, Jan 11
Lo:61
12 am
Hi:63
2
Lo:59
6 am
Hi:72
6
Lo:52
12 pm
Hi:73
23
Lo:46
6 pm
Hi:52
17
Fri, Jan 12
Lo:37
12 am
Hi:45
12
Lo:37
6 am
Hi:57
13
Lo:57
12 pm
Hi:63
7
Lo:39
6 pm
Hi:52
7
Sat, Jan 13
Lo:36
12 am
Hi:37
6
Lo:34
6 am
Hi:48
9
Lo:48
12 pm
Hi:57
4
Lo:37
6 pm
Hi:45
2
Sun, Jan 14
Lo:28
12 am
Hi:37
3
Lo:28
6 am
Hi:54
4
Lo:57
12 pm
Hi:61
9
Lo:45
6 pm
Hi:52
1
Mon, Jan 15
Lo:37
12 am
Hi:39
3
Lo:37
6 am
Hi:63
4
Lo:63
12 pm
Hi:70
10
Lo:45
6 pm
Hi:61
14
Tue, Jan 16
Lo:30
12 am
Hi:39
21
Lo:27
6 am
Hi:28
17
Lo:27
12 pm
Hi:30
13
Lo:28
6 pm
Hi:28
9
Wed, Jan 17
Lo:25
12 am
Hi:28
11
Lo:23
6 am
Hi:32
11
Lo:36
12 pm
Hi:36
4
Lo:34
6 pm
Hi:36
6
Thu, Jan 18
Lo:34
12 am
Hi:34
4
Lo:34
6 am
Hi:39
4
Lo:43
12 pm
Hi:46
3
Lo:43
6 pm
Hi:45
6
Fri, Jan 19
Lo:39
12 am
Hi:43
6
Lo:39
6 am
Hi:45
1
Lo:46
12 pm
Hi:50
1
Lo:48
6 pm
Hi:50
4
Sat, Jan 20
Lo:48
12 am
Hi:50
4
Lo:50
6 am
Hi:55
6
Lo:57
12 pm
Hi:61
7
Lo:52
6 pm
Hi:57
1
Sun, Jan 21
Lo:57
12 am
Hi:63
9
Lo:63
6 am
Hi:66
9
Lo:68
12 pm
Hi:72
9
Lo:52
6 pm
Hi:64
3
Mon, Jan 22
Lo:46
12 am
Hi:54
7
Lo:39
6 am
Hi:63
11
Lo:61
12 pm
Hi:66
14
Lo:39
6 pm
Hi:55
6
Tue, Jan 23
Lo:34
12 am
Hi:39
6
Lo:36
6 am
Hi:61
6
Lo:54
12 pm
Hi:64
6
Lo:39
6 pm
Hi:52
4
Wed, Jan 24
Lo:36
12 am
Hi:37
7
Lo:34
6 am
Hi:61
6
Lo:57
12 pm
Hi:63
9
Lo:37
6 pm
Hi:54
4
Thu, Jan 25
Lo:34
12 am
Hi:37
6
Lo:34
6 am
Hi:55
4
Lo:57
12 pm
Hi:61
11
Lo:54
6 pm
Hi:57
11
Fri, Jan 26
Lo:52
12 am
Hi:54
6
Lo:52
6 am
Hi:57
3
Lo:57
12 pm
Hi:64
6
Lo:63
6 pm
Hi:64
8
Sat, Jan 27
Lo:63
12 am
Hi:63
4
Lo:63
6 am
Hi:70
1
Lo:64
12 pm
Hi:70
14
Lo:57
6 pm
Hi:63
8
Sun, Jan 28
Lo:48
12 am
Hi:57
8
Lo:46
6 am
Hi:66
9
Lo:66
12 pm
Hi:70
9
Lo:45
6 pm
Hi:61
5
Mon, Jan 29
Lo:39
12 am
Hi:45
7
Lo:39
6 am
Hi:64
11
Lo:64
12 pm
Hi:70
11
Lo:46
6 pm
Hi:61
4
Tue, Jan 30
Lo:37
12 am
Hi:45
3
Lo:37
6 am
Hi:57
6
Lo:59
12 pm
Hi:64
7
Lo:50
6 pm
Hi:59
11
Wed, Jan 31
Lo:46
12 am
Hi:48
7
Lo:45
6 am
Hi:63
6
Lo:66
12 pm
Hi:70
14
Lo:57
6 pm
Hi:63
9
Monday, January 1, 2018, 12:00 am — 6:00 am
28 / 27 °F
Overcast.
Humidity: 71%
Barometer: 30.59 "Hg
N
Wind: 16.157 mph
High & Low Weather Summary for January 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 74 °F (Jan 11, 12:51 pm) | 100% (Jan 10, 6:51 am) | 30.74 "Hg (Jan 10, 6:51 am) |
| Low | 22 °F (Jan 3, 4:51 am) | 15% (Jan 12, 11:51 am) | 29.68 "Hg (Jan 10, 5:51 pm) |
| Average | 49 °F | 61% | 30.25 "Hg |
| * Reported Jan 1 12:03 am — Jan 31 11:51 pm, San Antonio. 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 Antonio Weather History for January 1, 2018
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:03 am Mon, Jan 1 |  | 28 °F | Light freezing rain. Overcast. | 16 mph | ↑ | 75% | 30.57 "Hg | 10 mi |
| 12:51 am |  | 28 °F | Mostly cloudy. | 17 mph | ↑ | 75% | 30.56 "Hg | 10 mi |
| 1:51 am | | 28 °F | Overcast. | 17 mph | ↑ | 75% | 30.57 "Hg | 10 mi |
| 2:51 am | | 27 °F | Mostly cloudy. | 15 mph | ↑ | 75% | 30.58 "Hg | 10 mi |
| 3:58 am | | 27 °F | Mostly cloudy. | 17 mph | ↑ | 69% | 30.60 "Hg | 10 mi |
| 4:51 am | | 26 °F | Overcast. | 17 mph | ↑ | 66% | 30.61 "Hg | 10 mi |
| 5:51 am | | 26 °F | Overcast. | 14 mph | ↑ | 60% | 30.63 "Hg | 10 mi |
| 6:51 am | | 26 °F | Overcast. | 17 mph | ↑ | 60% | 30.66 "Hg | 10 mi |
| 7:51 am |  | 26 °F | Overcast. | 16 mph | ↑ | 60% | 30.67 "Hg | 10 mi |
| 8:51 am | | 26 °F | Overcast. | 13 mph | ↑ | 60% | 30.70 "Hg | 10 mi |
| 9:51 am | | 27 °F | Overcast. | 15 mph | ↑ | 61% | 30.71 "Hg | 10 mi |
| 10:51 am | | 28 °F | Overcast. | 13 mph | ↑ | 58% | 30.72 "Hg | 10 mi |
| 11:18 am | | 27 °F | Sleet. Overcast. | 13 mph | ↑ | 58% | 30.72 "Hg | 10 mi |
| 11:51 am | | 28 °F | Overcast. | 13 mph | ↑ | 56% | 30.71 "Hg | 10 mi |
| 12:51 pm | | 29 °F | Overcast. | 8 mph | ↑ | 51% | 30.68 "Hg | 10 mi |
| 1:51 pm | | 30 °F | Overcast. | 10 mph | ↑ | 51% | 30.64 "Hg | 10 mi |
| 2:51 pm | | 30 °F | Mostly cloudy. | 14 mph | ↑ | 54% | 30.63 "Hg | 10 mi |
| 3:51 pm | | 31 °F | Overcast. | 9 mph | ↑ | 49% | 30.60 "Hg | 10 mi |
| 4:51 pm | | 30 °F | Overcast. | 8 mph | ↑ | 49% | 30.60 "Hg | 10 mi |
| 5:51 pm | | 29 °F | Overcast. | 8 mph | ↑ | 51% | 30.60 "Hg | 10 mi |
| 6:51 pm | | 29 °F | Overcast. | 8 mph | ↑ | 51% | 30.60 "Hg | 10 mi |
| 7:51 pm | | 29 °F | Overcast. | 7 mph | ↑ | 51% | 30.60 "Hg | 10 mi |
| 8:51 pm | | 29 °F | Overcast. | 7 mph | ↑ | 51% | 30.61 "Hg | 10 mi |
| 9:51 pm | | 30 °F | Overcast. | 3 mph | ↑ | 54% | 30.61 "Hg | 10 mi |
| 10:51 pm | | 30 °F | Overcast. | 8 mph | ↑ | 56% | 30.61 "Hg | 10 mi |
| 11:51 pm | | 30 °F | Overcast. | 8 mph | ↑ | 54% | 30.60 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||