May 2018 Weather in San Diego — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
54
56
58
60
62
64
66
68
70
72
74
76
Tue, May 1
Lo:55
12 am
Hi:57
10
Lo:55
6 am
Hi:59
9
Lo:57
12 pm
Hi:61
9
Lo:55
6 pm
Hi:57
7
Wed, May 2
Lo:55
12 am
Hi:55
6
Lo:55
6 am
Hi:61
6
Lo:61
12 pm
Hi:63
7
Lo:57
6 pm
Hi:61
7
Thu, May 3
Lo:55
12 am
Hi:57
4
Lo:55
6 am
Hi:64
6
Lo:64
12 pm
Hi:68
17
Lo:61
6 pm
Hi:63
9
Fri, May 4
Lo:57
12 am
Hi:61
6
Lo:57
6 am
Hi:72
9
Lo:70
12 pm
Hi:75
17
Lo:63
6 pm
Hi:66
6
Sat, May 5
Lo:59
12 am
Hi:61
5
Lo:57
6 am
Hi:70
9
Lo:70
12 pm
Hi:72
13
Lo:63
6 pm
Hi:68
7
Sun, May 6
Lo:57
12 am
Hi:61
0
Lo:61
6 am
Hi:70
7
Lo:64
12 pm
Hi:70
12
Lo:59
6 pm
Hi:63
4
Mon, May 7
Lo:61
12 am
Hi:61
4
Lo:57
6 am
Hi:66
5
Lo:63
12 pm
Hi:64
9
Lo:57
6 pm
Hi:61
2
Tue, May 8
Lo:57
12 am
Hi:59
2
Lo:57
6 am
Hi:61
7
Lo:63
12 pm
Hi:64
9
Lo:61
6 pm
Hi:61
4
Wed, May 9
Lo:61
12 am
Hi:61
6
Lo:59
6 am
Hi:64
6
Lo:64
12 pm
Hi:66
9
Lo:61
6 pm
Hi:64
2
Thu, May 10
Lo:61
12 am
Hi:61
4
Lo:61
6 am
Hi:64
6
Lo:63
12 pm
Hi:66
9
Lo:61
6 pm
Hi:63
7
Fri, May 11
Lo:59
12 am
Hi:61
12
Lo:61
6 am
Hi:61
14
Lo:59
12 pm
Hi:61
14
Lo:59
6 pm
Hi:59
11
Sat, May 12
Lo:59
12 am
Hi:59
6
Lo:57
6 am
Hi:63
7
Lo:63
12 pm
Hi:64
8
Lo:61
6 pm
Hi:63
4
Sun, May 13
Lo:61
12 am
Hi:61
6
Lo:61
6 am
Hi:64
8
Lo:64
12 pm
Hi:68
13
Lo:61
6 pm
Hi:63
8
Mon, May 14
Lo:61
12 am
Hi:61
4
Lo:61
6 am
Hi:68
6
Lo:64
12 pm
Hi:66
15
Lo:61
6 pm
Hi:63
10
Tue, May 15
Lo:61
12 am
Hi:63
3
Lo:61
6 am
Hi:66
7
Lo:64
12 pm
Hi:68
17
Lo:61
6 pm
Hi:63
11
Wed, May 16
Lo:61
12 am
Hi:63
6
Lo:63
6 am
Hi:66
7
Lo:66
12 pm
Hi:66
13
Lo:61
6 pm
Hi:64
8
Thu, May 17
Lo:59
12 am
Hi:61
6
Lo:61
6 am
Hi:64
9
Lo:63
12 pm
Hi:64
9
Lo:61
6 pm
Hi:61
4
Fri, May 18
Lo:61
12 am
Hi:61
4
Lo:61
6 am
Hi:63
7
Lo:63
12 pm
Hi:64
8
Lo:61
6 pm
Hi:63
6
Sat, May 19
12 am
N/A
0
Lo:61
6 am
Hi:63
6
Lo:63
12 pm
Hi:64
9
Lo:61
6 pm
Hi:63
6
Sun, May 20
Lo:61
12 am
Hi:61
5
Lo:61
6 am
Hi:63
6
Lo:63
12 pm
Hi:64
11
Lo:59
6 pm
Hi:63
7
Mon, May 21
Lo:59
12 am
Hi:61
6
Lo:61
6 am
Hi:63
11
Lo:57
12 pm
Hi:63
11
Lo:61
6 pm
Hi:61
7
Tue, May 22
Lo:59
12 am
Hi:61
6
Lo:61
6 am
Hi:64
8
Lo:63
12 pm
Hi:66
9
Lo:61
6 pm
Hi:63
4
Wed, May 23
Lo:59
12 am
Hi:61
6
Lo:61
6 am
Hi:63
5
Lo:64
12 pm
Hi:66
12
Lo:61
6 pm
Hi:63
7
Thu, May 24
Lo:61
12 am
Hi:61
6
Lo:61
6 am
Hi:63
7
Lo:64
12 pm
Hi:66
11
Lo:61
6 pm
Hi:63
6
Fri, May 25
Lo:61
12 am
Hi:61
6
Lo:63
6 am
Hi:66
12
Lo:64
12 pm
Hi:68
16
Lo:63
6 pm
Hi:64
12
Sat, May 26
Lo:61
12 am
Hi:61
10
Lo:61
6 am
Hi:64
9
Lo:63
12 pm
Hi:66
11
Lo:61
6 pm
Hi:63
7
Sun, May 27
Lo:61
12 am
Hi:61
6
Lo:61
6 am
Hi:66
6
Lo:64
12 pm
Hi:66
10
Lo:63
6 pm
Hi:64
6
Mon, May 28
Lo:63
12 am
Hi:63
0
Lo:63
6 am
Hi:64
6
Lo:64
12 pm
Hi:68
11
Lo:61
6 pm
Hi:63
5
Tue, May 29
Lo:61
12 am
Hi:61
3
Lo:61
6 am
Hi:63
6
Lo:63
12 pm
Hi:63
7
Lo:61
6 pm
Hi:63
6
Wed, May 30
Lo:61
12 am
Hi:61
7
Lo:61
6 am
Hi:66
9
Lo:64
12 pm
Hi:66
11
Lo:63
6 pm
Hi:63
5
Thu, May 31
Lo:59
12 am
Hi:63
6
Lo:59
6 am
Hi:66
4
Lo:64
12 pm
Hi:70
12
Lo:63
6 pm
Hi:64
7
High & Low Weather Summary for May 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 75 °F (May 4, 2:52 pm) | 97% (May 5, 7:02 am) | 30.16 "Hg (May 5, 7:02 am) |
| Low | 55 °F (May 1, 10:37 pm) | 45% (May 13, 2:52 pm) | 29.84 "Hg (May 29, 6:52 pm) |
| Average | 62 °F | 72% | 29.97 "Hg |
| * Reported May 1 12:52 am — May 31 11:52 pm, San Diego. 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 Diego Weather History for May 1, 2018
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:52 am Tue, May 1 |  | 57 °F | Passing clouds. | 13 mph | ↑ | 69% | 29.94 "Hg | 10 mi |
| 1:52 am |  | 56 °F | Overcast. | 9 mph | ↑ | 70% | 29.93 "Hg | 10 mi |
| 2:52 am | | 56 °F | Overcast. | 13 mph | ↑ | 65% | 29.91 "Hg | 10 mi |
| 3:52 am |  | 56 °F | Partly cloudy. | 12 mph | ↑ | 65% | 29.91 "Hg | 10 mi |
| 4:52 am | | 56 °F | Partly cloudy. | 9 mph | ↑ | 62% | 29.90 "Hg | 10 mi |
| 5:52 am | | 56 °F | Mostly cloudy. | 5 mph | ↑ | 62% | 29.90 "Hg | 10 mi |
| 6:52 am |  | 56 °F | Broken clouds. | 7 mph | ↑ | 67% | 29.91 "Hg | 10 mi |
| 7:52 am | | 57 °F | Broken clouds. | 8 mph | ↑ | 60% | 29.92 "Hg | 10 mi |
| 9:52 am | | 57 °F | More clouds than sun. | 7 mph | ↑ | 60% | 29.95 "Hg | 10 mi |
| 10:52 am | | 58 °F | More clouds than sun. | 10 mph | ↑ | 65% | 29.95 "Hg | 10 mi |
| 11:52 am |  | 59 °F | Overcast. | 10 mph | ↑ | 56% | 29.96 "Hg | 10 mi |
| 12:52 pm | | 58 °F | More clouds than sun. | 6 mph | ↑ | 65% | 29.96 "Hg | 10 mi |
| 1:52 pm | | 60 °F | More clouds than sun. | 12 mph | ↑ | 58% | 29.96 "Hg | 10 mi |
| 2:52 pm | | 59 °F | More clouds than sun. | 12 mph | ↑ | 56% | 29.95 "Hg | 10 mi |
| 3:52 pm | | 57 °F | More clouds than sun. | 7 mph | ↑ | 74% | 29.93 "Hg | 10 mi |
| 4:52 pm | | 58 °F | Broken clouds. | 9 mph | ↑ | 67% | 29.92 "Hg | 10 mi |
| 5:52 pm | | 59 °F | More clouds than sun. | 9 mph | ↑ | 58% | 29.93 "Hg | 10 mi |
| 6:52 pm | | 58 °F | More clouds than sun. | 14 mph | ↑ | 62% | 29.93 "Hg | 10 mi |
| 7:52 pm | | 57 °F | Mostly cloudy. | 7 mph | ↑ | 64% | 29.94 "Hg | 10 mi |
| 8:52 pm | | 57 °F | Mostly cloudy. | 8 mph | ↑ | 67% | 29.95 "Hg | 10 mi |
| 9:52 pm | | 57 °F | Partly cloudy. | 5 mph | ↑ | 64% | 29.96 "Hg | 10 mi |
| 10:37 pm |  | 55 °F | Rain. Overcast. | 6 mph | ↑ | 83% | 29.96 "Hg | 6 mi |
| 10:52 pm |  | 55 °F | Light rain. Partly cloudy. | 5 mph | ↑ | 80% | 29.95 "Hg | 8 mi |
| 11:52 pm | | 55 °F | Partly cloudy. | 5 mph | ↑ | 83% | 29.95 "Hg | 8 mi |
| Weather by CustomWeather, © 2025 | ||||||||