Past Weather in Portsmouth — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
47
51
55
59
63
67
71
75
79
83
87
91
Thu, Jul 31
Lo:59
12 am
Hi:61
7
Lo:61
6 am
Hi:66
9
Lo:64
12 pm
Hi:73
6
Lo:61
6 pm
Hi:72
6
Fri, Aug 1
Lo:54
12 am
Hi:59
9
Lo:54
6 am
Hi:63
10
Lo:64
12 pm
Hi:70
11
Lo:57
6 pm
Hi:66
8
Sat, Aug 2
Lo:50
12 am
Hi:55
5
Lo:52
6 am
Hi:63
8
Lo:64
12 pm
Hi:72
7
Lo:61
6 pm
Hi:72
8
Sun, Aug 3
Lo:54
12 am
Hi:59
7
Lo:55
6 am
Hi:68
12
Lo:68
12 pm
Hi:73
16
Lo:64
6 pm
Hi:75
12
Mon, Aug 4
Lo:59
12 am
Hi:64
6
Lo:59
6 am
Hi:70
14
Lo:66
12 pm
Hi:68
20
Lo:59
6 pm
Hi:70
12
Tue, Aug 5
Lo:54
12 am
Hi:61
9
Lo:54
6 am
Hi:66
13
Lo:66
12 pm
Hi:70
16
Lo:55
6 pm
Hi:68
7
Wed, Aug 6
Lo:48
12 am
Hi:55
5
Lo:50
6 am
Hi:66
3
Lo:68
12 pm
Hi:72
9
Lo:61
6 pm
Hi:68
9
Thu, Aug 7
Lo:57
12 am
Hi:59
8
Lo:59
6 am
Hi:68
12
Lo:68
12 pm
Hi:72
16
Lo:63
6 pm
Hi:68
13
Fri, Aug 8
Lo:57
12 am
Hi:63
9
Lo:57
6 am
Hi:68
8
Lo:68
12 pm
Hi:73
11
Lo:59
6 pm
Hi:73
7
Sat, Aug 9
Lo:54
12 am
Hi:59
4
Lo:55
6 am
Hi:68
10
Lo:70
12 pm
Hi:75
16
Lo:61
6 pm
Hi:73
10
Sun, Aug 10
Lo:52
12 am
Hi:59
5
Lo:55
6 am
Hi:72
4
Lo:73
12 pm
Hi:77
6
Lo:59
6 pm
Hi:75
6
Mon, Aug 11
Lo:52
12 am
Hi:59
2
Lo:54
6 am
Hi:79
5
Lo:79
12 pm
Hi:84
6
Lo:70
6 pm
Hi:77
6
Tue, Aug 12
Lo:61
12 am
Hi:70
9
Lo:63
6 am
Hi:84
7
Lo:84
12 pm
Hi:90
9
Lo:66
6 pm
Hi:82
7
Wed, Aug 13
Lo:59
12 am
Hi:66
4
Lo:63
6 am
Hi:72
7
Lo:70
12 pm
Hi:77
9
Lo:64
6 pm
Hi:70
10
Thu, Aug 14
Lo:61
12 am
Hi:64
7
Lo:63
6 am
Hi:73
10
Lo:73
12 pm
Hi:81
11
Lo:64
6 pm
Hi:77
8
Fri, Aug 15
Lo:61
12 am
Hi:64
6
Thursday, July 31, 2025, 12:00 am — 6:00 am
61 / 59 °F
Clear.
Humidity: 93%
Barometer: 30.05 "Hg
SW
Wind: 6.836 mph
Portsmouth Temperature Yesterday
Maximum temperature yesterday: 81 °F (at 2:50 pm)
Minimum temperature yesterday: 61 °F (at 3:50 am)
Average temperature yesterday: 70 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 90 °F (Aug 12, 2:50 pm) | 100% (Jul 31, 6:50 am) | 30.39 "Hg (Jul 31, 6:50 am) |
| Low | 48 °F (Aug 6, 5:20 am) | 31% (Aug 11, 4:20 pm) | 29.89 "Hg (Aug 12, 3:50 pm) |
| Average | 65 °F | 70% | 30.09 "Hg |
| * Reported Jul 31 3:20 am — Aug 15 3:50 am, Portsmouth. 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
Portsmouth Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 3:50 am Fri, Aug 15 |  | 61 °F | Clear. | 6 mph | ↑ | 88% | 30.24 "Hg | N/A |
| 3:20 am | | 61 °F | Clear. | 5 mph | ↑ | 88% | 30.21 "Hg | N/A |
| 2:50 am | | 61 °F | Clear. | 6 mph | ↑ | 88% | 30.24 "Hg | N/A |
| 2:20 am | | 61 °F | Clear. | 6 mph | ↑ | 88% | 30.24 "Hg | N/A |
| 1:50 am | | 63 °F | Clear. | 7 mph | ↑ | 83% | 30.24 "Hg | N/A |
| 1:20 am | | 63 °F | Clear. | 6 mph | ↑ | 83% | 30.21 "Hg | N/A |
| 12:50 am | | 64 °F | Clear. | 8 mph | ↑ | 78% | 30.21 "Hg | 10 mi |
| 12:20 am | | 64 °F | Clear. | 7 mph | ↑ | 78% | 30.21 "Hg | 10 mi |
| 11:50 pm Thu, Aug 14 | | 64 °F | Clear. | 3 mph | ↑ | 78% | 30.21 "Hg | 10 mi |
| 11:20 pm | | 66 °F | Clear. | 3 mph | ↑ | 73% | 30.21 "Hg | 10 mi |
| 10:50 pm | | 66 °F | Clear. | 7 mph | ↑ | 73% | 30.21 "Hg | 10 mi |
| 10:20 pm | | 68 °F | Clear. | 7 mph | ↑ | 69% | 30.18 "Hg | 10 mi |
| 9:50 pm | | 70 °F | Clear. | 7 mph | ↑ | 64% | 30.18 "Hg | 10 mi |
| 9:20 pm | | 70 °F | Clear. | 8 mph | ↑ | 64% | 30.18 "Hg | 10 mi |
| 8:50 pm |  | 72 °F | Passing clouds. | 8 mph | ↑ | 61% | 30.15 "Hg | N/A |
| 8:20 pm | | 73 °F | Passing clouds. | 9 mph | ↑ | 57% | 30.12 "Hg | N/A |
| 7:50 pm |  | 75 °F | Passing clouds. | 12 mph | ↑ | 54% | 30.12 "Hg | N/A |
| 7:20 pm |  | 77 °F | Sunny. | 9 mph | ↑ | 51% | 30.12 "Hg | 10 mi |
| 6:50 pm | | 77 °F | Sunny. | 12 mph | ↑ | 54% | 30.09 "Hg | 10 mi |
| 6:20 pm | | 77 °F | Sunny. | 13 mph | ↑ | 51% | 30.09 "Hg | 10 mi |
| 5:50 pm | | 79 °F | Passing clouds. | 12 mph | ↑ | 48% | 30.09 "Hg | N/A |
| 5:20 pm | | 79 °F | Passing clouds. | 12 mph | ↑ | 48% | 30.09 "Hg | N/A |
| 4:50 pm | | 77 °F | Sunny. | 10 mph | ↑ | 51% | 30.09 "Hg | 10 mi |
| 4:20 pm | | 79 °F | Passing clouds. | 12 mph | ↑ | 48% | 30.09 "Hg | N/A |
| 3:50 pm | | 79 °F | Passing clouds. | 13 mph | ↑ | 48% | 30.09 "Hg | N/A |
| 3:20 pm | | 77 °F | Passing clouds. | 14 mph | ↑ | 51% | 30.09 "Hg | N/A |
| 2:50 pm | | 81 °F | Passing clouds. | 13 mph | ↑ | 48% | 30.09 "Hg | N/A |
| 2:20 pm | | 77 °F | Passing clouds. | 12 mph | ↑ | 54% | 30.09 "Hg | N/A |
| 1:50 pm | | 77 °F | Passing clouds. | 10 mph | ↑ | 54% | 30.09 "Hg | N/A |
| 1:20 pm | | 75 °F | Passing clouds. | 9 mph | ↑ | 57% | 30.09 "Hg | N/A |
| 12:50 pm | | 73 °F | Scattered clouds. | 9 mph | ↑ | 57% | 30.09 "Hg | N/A |
| 12:20 pm |  | 75 °F | Broken clouds. | 10 mph | ↑ | 61% | 30.09 "Hg | N/A |
| 11:50 am | | 72 °F | Partly sunny. | 10 mph | ↑ | 69% | 30.07 "Hg | N/A |
| 11:20 am | | 73 °F | Scattered clouds. | 9 mph | ↑ | 65% | 30.07 "Hg | N/A |
| 10:50 am | | 70 °F | Scattered clouds. | 10 mph | ↑ | 69% | 30.07 "Hg | N/A |
| 10:20 am | | 70 °F | Scattered clouds. | 9 mph | ↑ | 69% | 30.07 "Hg | N/A |
| 9:50 am | | 70 °F | Scattered clouds. | 10 mph | ↑ | 69% | 30.07 "Hg | N/A |
| 9:20 am | | 68 °F | Scattered clouds. | 13 mph | ↑ | 73% | 30.07 "Hg | N/A |
| 8:50 am | | 66 °F | Scattered clouds. | 13 mph | ↑ | 78% | 30.04 "Hg | N/A |
| 8:20 am | | 66 °F | Passing clouds. | 8 mph | ↑ | 83% | 30.07 "Hg | N/A |
| 7:50 am | | 64 °F | Partly sunny. | 10 mph | ↑ | 88% | 30.07 "Hg | N/A |
| 7:28 am | | 64 °F | Partly sunny. | 10 mph | ↑ | 88% | 30.04 "Hg | N/A |
| 6:50 am | | 63 °F | Partly sunny. | 8 mph | ↑ | 94% | 30.04 "Hg | N/A |
| 6:20 am |  | 63 °F | Fog. | 9 mph | ↑ | 94% | 30.04 "Hg | 5 mi |
| 5:50 am | | 61 °F | Fog. | 7 mph | ↑ | 94% | 30.01 "Hg | 5 mi |
| 5:20 am | | 61 °F | Fog. | 10 mph | ↑ | 94% | 30.01 "Hg | 5 mi |
| Weather by CustomWeather, © 2025 | ||||||||