Currently: 66 °F. Scattered clouds. (Weather station: Reagan National Airport, USA). See more current weatherMay 2021 Weather in Washington DC — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
43
48
53
58
63
68
73
78
83
88
93
Sat, May 1
Lo:46
12 am
Hi:52
16
Lo:48
6 am
Hi:61
17
Lo:63
12 pm
Hi:70
11
Lo:57
6 pm
Hi:66
10
Sun, May 2
Lo:55
12 am
Hi:57
8
Lo:55
6 am
Hi:73
10
Lo:81
12 pm
Hi:82
15
Lo:70
6 pm
Hi:81
11
Mon, May 3
Lo:66
12 am
Hi:70
7
Lo:66
6 am
Hi:70
8
Lo:70
12 pm
Hi:75
12
Lo:70
6 pm
Hi:73
12
Tue, May 4
Lo:66
12 am
Hi:70
7
Lo:66
6 am
Hi:79
9
Lo:70
12 pm
Hi:82
10
Lo:66
6 pm
Hi:68
8
Wed, May 5
Lo:64
12 am
Hi:66
4
Lo:66
6 am
Hi:70
4
Lo:70
12 pm
Hi:79
12
Lo:55
6 pm
Hi:68
17
Thu, May 6
Lo:48
12 am
Hi:55
12
Lo:50
6 am
Hi:63
14
Lo:63
12 pm
Hi:64
7
Lo:55
6 pm
Hi:64
3
Fri, May 7
Lo:50
12 am
Hi:54
1
Lo:52
6 am
Hi:63
5
Lo:54
12 pm
Hi:64
10
Lo:48
6 pm
Hi:54
7
Sat, May 8
Lo:45
12 am
Hi:48
4
Lo:46
6 am
Hi:57
7
Lo:55
12 pm
Hi:61
19
Lo:50
6 pm
Hi:61
9
Sun, May 9
Lo:48
12 am
Hi:52
6
Lo:50
6 am
Hi:59
7
Lo:61
12 pm
Hi:68
12
Lo:63
6 pm
Hi:66
9
Mon, May 10
Lo:59
12 am
Hi:70
16
Lo:54
6 am
Hi:59
14
Lo:63
12 pm
Hi:66
14
Lo:55
6 pm
Hi:64
9
Tue, May 11
Lo:54
12 am
Hi:55
5
Lo:55
6 am
Hi:64
7
Lo:64
12 pm
Hi:70
11
Lo:57
6 pm
Hi:64
13
Wed, May 12
Lo:50
12 am
Hi:55
11
Lo:50
6 am
Hi:59
11
Lo:61
12 pm
Hi:66
11
Lo:57
6 pm
Hi:66
6
Thu, May 13
Lo:48
12 am
Hi:55
4
Lo:52
6 am
Hi:68
8
Lo:70
12 pm
Hi:72
9
Lo:59
6 pm
Hi:70
5
Fri, May 14
Lo:54
12 am
Hi:55
1
Lo:55
6 am
Hi:72
3
Lo:70
12 pm
Hi:73
7
Lo:59
6 pm
Hi:70
7
Sat, May 15
Lo:52
12 am
Hi:57
1
Lo:54
6 am
Hi:75
2
Lo:73
12 pm
Hi:79
4
Lo:61
6 pm
Hi:72
6
Sun, May 16
Lo:54
12 am
Hi:61
5
Lo:55
6 am
Hi:70
7
Lo:63
12 pm
Hi:72
9
Lo:61
6 pm
Hi:63
6
Mon, May 17
Lo:54
12 am
Hi:61
5
Lo:55
6 am
Hi:72
2
Lo:70
12 pm
Hi:73
4
Lo:61
6 pm
Hi:72
6
Tue, May 18
Lo:55
12 am
Hi:61
3
Lo:57
6 am
Hi:73
6
Lo:75
12 pm
Hi:79
9
Lo:64
6 pm
Hi:75
8
Wed, May 19
Lo:59
12 am
Hi:63
6
Lo:61
6 am
Hi:81
6
Lo:81
12 pm
Hi:84
10
Lo:68
6 pm
Hi:79
7
Thu, May 20
Lo:63
12 am
Hi:66
4
Lo:64
6 am
Hi:84
4
Lo:82
12 pm
Hi:90
11
Lo:64
6 pm
Hi:77
9
Fri, May 21
Lo:61
12 am
Hi:64
2
Lo:61
6 am
Hi:75
3
Lo:81
12 pm
Hi:82
8
Lo:70
6 pm
Hi:79
8
Sat, May 22
Lo:63
12 am
Hi:66
6
Lo:64
6 am
Hi:88
6
Lo:88
12 pm
Hi:90
12
Lo:81
6 pm
Hi:86
9
Sun, May 23
Lo:75
12 am
Hi:79
5
Lo:75
6 am
Hi:90
11
Lo:91
12 pm
Hi:93
17
Lo:84
6 pm
Hi:91
11
Mon, May 24
Lo:75
12 am
Hi:81
11
Lo:64
6 am
Hi:70
11
Lo:61
12 pm
Hi:68
9
Lo:61
6 pm
Hi:61
7
Tue, May 25
Lo:59
12 am
Hi:59
5
Lo:61
6 am
Hi:68
7
Lo:70
12 pm
Hi:79
10
Lo:70
6 pm
Hi:77
9
Wed, May 26
Lo:70
12 am
Hi:72
9
Lo:72
6 am
Hi:82
7
Lo:73
12 pm
Hi:90
10
Lo:70
6 pm
Hi:79
6
Thu, May 27
Lo:70
12 am
Hi:73
6
Lo:72
6 am
Hi:81
9
Lo:81
12 pm
Hi:84
9
Lo:73
6 pm
Hi:82
6
Fri, May 28
Lo:68
12 am
Hi:73
9
Lo:66
6 am
Hi:75
11
Lo:72
12 pm
Hi:75
12
Lo:61
6 pm
Hi:70
12
Sat, May 29
Lo:55
12 am
Hi:59
13
Lo:54
6 am
Hi:55
16
Lo:54
12 pm
Hi:54
15
Lo:52
6 pm
Hi:54
16
Sun, May 30
Lo:50
12 am
Hi:52
14
Lo:50
6 am
Hi:55
12
Lo:54
12 pm
Hi:57
12
Lo:52
6 pm
Hi:57
11
Mon, May 31
Lo:50
12 am
Hi:54
6
Lo:52
6 am
Hi:68
6
Lo:70
12 pm
Hi:75
6
Lo:63
6 pm
Hi:73
4
High & Low Weather Summary for May 2021
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 93 °F (May 23, 3:52 pm) | 94% (May 5, 2:52 am) | 30.55 "Hg (May 5, 2:52 am) |
| Low | 45 °F (May 8, 4:52 am) | 19% (May 1, 4:52 pm) | 29.67 "Hg (May 5, 5:52 am) |
| Average | 65 °F | 59% | 30.09 "Hg |
| * Reported May 1 12:52 am — May 31 11:52 pm, Washington DC. 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
Washington DC Weather History for May 1, 2021
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:52 am Sat, May 1 |  | 51 °F | Clear. | 16 mph | ↑ | 32% | 29.93 "Hg | 10 mi |
| 1:52 am | | 51 °F | Clear. | 15 mph | ↑ | 33% | 29.94 "Hg | 10 mi |
| 2:52 am | | 50 °F | Clear. | 17 mph | ↑ | 33% | 29.96 "Hg | 10 mi |
| 3:52 am |  | 49 °F | Passing clouds. | 21 mph | ↑ | 32% | 29.97 "Hg | 10 mi |
| 4:52 am | | 47 °F | Passing clouds. | 14 mph | ↑ | 34% | 29.99 "Hg | 10 mi |
| 5:52 am | | 48 °F | Clear. | 13 mph | ↑ | 33% | 30.01 "Hg | 10 mi |
| 6:52 am |  | 48 °F | Sunny. | 12 mph | ↑ | 34% | 30.03 "Hg | 10 mi |
| 7:52 am | | 50 °F | Sunny. | 18 mph | ↑ | 33% | 30.06 "Hg | 10 mi |
| 8:52 am | | 53 °F | Sunny. | 18 mph | ↑ | 31% | 30.08 "Hg | 10 mi |
| 9:52 am | | 55 °F | Passing clouds. | 21 mph | ↑ | 30% | 30.07 "Hg | 10 mi |
| 10:52 am | | 59 °F | Passing clouds. | 15 mph | ↑ | 26% | 30.07 "Hg | 10 mi |
| 11:52 am | | 61 °F | Passing clouds. | 16 mph | ↑ | 24% | 30.07 "Hg | 10 mi |
| 12:52 pm | | 63 °F | Scattered clouds. | 13 mph | ↑ | 23% | 30.06 "Hg | 10 mi |
| 1:52 pm | | 64 °F | Passing clouds. | 9 mph | ↑ | 23% | 30.03 "Hg | 10 mi |
| 2:52 pm | | 67 °F | Passing clouds. | 12 mph | ↑ | 21% | 30.02 "Hg | 10 mi |
| 3:52 pm | | 68 °F | Passing clouds. | 10 mph | ↑ | 20% | 30.00 "Hg | 10 mi |
| 4:52 pm |  | 69 °F | Partly sunny. | 13 mph | ↑ | 19% | 29.97 "Hg | 10 mi |
| 5:52 pm | | 69 °F | Partly sunny. | 6 mph | ↑ | 19% | 29.96 "Hg | 10 mi |
| 6:52 pm | | 67 °F | Scattered clouds. | 9 mph | ↑ | 20% | 29.94 "Hg | 10 mi |
| 7:52 pm | | 63 °F | Passing clouds. | 9 mph | ↑ | 40% | 29.93 "Hg | 10 mi |
| 8:52 pm | | 60 °F | Clear. | 12 mph | ↑ | 46% | 29.93 "Hg | 10 mi |
| 9:52 pm | | 59 °F | Passing clouds. | 8 mph | ↑ | 39% | 29.94 "Hg | 10 mi |
| 10:52 pm | | 57 °F | Clear. | 9 mph | ↑ | 46% | 29.94 "Hg | 10 mi |
| 11:52 pm | | 58 °F | Clear. | 13 mph | ↑ | 47% | 29.91 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||