Past Weather in Portsmouth — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
61
64
67
70
73
76
79
82
85
88
91
94
Fri, Aug 1
Lo:70
6 am
Hi:70
6
Lo:72
12 pm
Hi:79
7
Lo:70
6 pm
Hi:79
6
Sat, Aug 2
Lo:64
12 am
Hi:68
6
Lo:64
6 am
Hi:75
7
Lo:77
12 pm
Hi:81
8
Lo:72
6 pm
Hi:79
9
Sun, Aug 3
Lo:64
12 am
Hi:70
6
Lo:63
6 am
Hi:79
5
Lo:81
12 pm
Hi:84
8
Lo:72
6 pm
Hi:79
2
Mon, Aug 4
Lo:64
12 am
Hi:72
2
Lo:64
6 am
Hi:79
3
Lo:82
12 pm
Hi:88
4
Lo:72
6 pm
Hi:82
1
Tue, Aug 5
Lo:68
12 am
Hi:70
4
Lo:68
6 am
Hi:79
3
Lo:82
12 pm
Hi:84
5
Lo:73
6 pm
Hi:82
4
Wed, Aug 6
Lo:68
12 am
Hi:72
2
Lo:66
6 am
Hi:81
4
Lo:82
12 pm
Hi:86
2
Lo:70
6 pm
Hi:82
4
Thu, Aug 7
Lo:66
12 am
Hi:72
4
Lo:66
6 am
Hi:81
1
Lo:84
12 pm
Hi:88
2
Lo:73
6 pm
Hi:84
5
Fri, Aug 8
Lo:66
12 am
Hi:72
2
Lo:64
6 am
Hi:82
2
Lo:82
12 pm
Hi:90
4
Lo:73
6 pm
Hi:84
3
Sat, Aug 9
Lo:66
12 am
Hi:72
4
Lo:66
6 am
Hi:82
4
Lo:86
12 pm
Hi:90
3
Lo:72
6 pm
Hi:88
3
Sun, Aug 10
Lo:68
12 am
Hi:72
4
Lo:66
6 am
Hi:84
4
Lo:86
12 pm
Hi:91
5
Lo:73
6 pm
Hi:90
2
Mon, Aug 11
Lo:70
12 am
Hi:72
4
Lo:68
6 am
Hi:88
3
Lo:88
12 pm
Hi:95
4
Lo:77
6 pm
Hi:91
4
Tue, Aug 12
Lo:72
12 am
Hi:75
1
Lo:72
6 am
Hi:88
4
Lo:90
12 pm
Hi:93
7
Lo:79
6 pm
Hi:88
6
Wed, Aug 13
Lo:75
12 am
Hi:79
5
Lo:75
6 am
Hi:88
4
Lo:75
12 pm
Hi:90
5
Lo:73
6 pm
Hi:88
7
Thu, Aug 14
Lo:72
12 am
Hi:72
1
Lo:70
6 am
Hi:82
1
Lo:79
12 pm
Hi:86
4
Lo:73
6 pm
Hi:84
2
Fri, Aug 15
Lo:70
12 am
Hi:73
1
Lo:70
6 am
Hi:88
2
Lo:90
12 pm
Hi:91
4
Lo:75
6 pm
Hi:90
1
Sat, Aug 16
Lo:72
12 am
Hi:73
1
Lo:72
6 am
Hi:88
1
Friday, August 1, 2025, 6:00 am — 12:00 pm
70 / 70 °F
Overcast.
Humidity: 73%
Barometer: 30.18 "Hg
N
Wind: 5.593 mph
Portsmouth Temperature Yesterday
Maximum temperature yesterday: 92 °F (at 2:51 pm)
Minimum temperature yesterday: 69 °F (at 4:51 am)
Average temperature yesterday: 78 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 95 °F (Aug 11, 3:51 pm) | 93% (Aug 14, 4:33 am) | 30.27 "Hg (Aug 14, 4:33 am) |
| Low | 63 °F (Aug 3, 6:51 am) | 34% (Aug 11, 3:51 pm) | 29.85 "Hg (Aug 13, 6:51 pm) |
| Average | 77 °F | 70% | 30.10 "Hg |
| * Reported Aug 1 11:51 am — Aug 16 11:51 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 | ||
| 11:51 am Sat, Aug 16 |  | 88 °F | Sunny. | 3 mph | ↑ | 55% | 30.11 "Hg | 10 mi |
| 10:51 am | | 85 °F | Sunny. | No wind | ↑ | 63% | 30.11 "Hg | 10 mi |
| 9:51 am | | 80 °F | Sunny. | 3 mph | ↑ | 74% | 30.11 "Hg | 10 mi |
| 8:51 am | | 77 °F | Sunny. | No wind | ↑ | 79% | 30.11 "Hg | 10 mi |
| 7:51 am |  | 73 °F | Fog. | No wind | ↑ | 88% | 30.11 "Hg | 4 mi |
| 6:51 am | | 71 °F | Fog. | No wind | ↑ | 90% | 30.10 "Hg | 5 mi |
| 5:51 am |  | 71 °F | Fog. | No wind | ↑ | 90% | 30.09 "Hg | 6 mi |
| 4:51 am | | 72 °F | Fog. | No wind | ↑ | 91% | 30.09 "Hg | 6 mi |
| 3:51 am | | 72 °F | Fog. | No wind | ↑ | 91% | 30.09 "Hg | 6 mi |
| 2:51 am |  | 73 °F | Clear. | 3 mph | ↑ | 88% | 30.10 "Hg | 7 mi |
| 1:51 am | | 73 °F | Clear. | No wind | ↑ | 88% | 30.12 "Hg | 7 mi |
| 12:51 am | | 74 °F | Clear. | 3 mph | ↑ | 88% | 30.12 "Hg | 9 mi |
| 11:51 pm Fri, Aug 15 | | 75 °F | Clear. | No wind | ↑ | 85% | 30.11 "Hg | 10 mi |
| 10:51 pm | | 77 °F | Clear. | No wind | ↑ | 79% | 30.10 "Hg | 10 mi |
| 9:51 pm | | 79 °F | Clear. | No wind | ↑ | 74% | 30.09 "Hg | 10 mi |
| 8:51 pm | | 83 °F | Passing clouds. | 3 mph | ↑ | 63% | 30.08 "Hg | 10 mi |
| 7:51 pm | | 89 °F | Sunny. | No wind | ↑ | 46% | 30.08 "Hg | 10 mi |
| 6:51 pm |  | 90 °F | Passing clouds. | No wind | ↑ | 47% | 30.06 "Hg | 10 mi |
| 5:51 pm | | 92 °F | Sunny. | 3 mph | ↑ | 43% | 30.08 "Hg | 10 mi |
| 4:51 pm | | 92 °F | Passing clouds. | 5 mph | ↑ | 44% | 30.08 "Hg | 10 mi |
| 3:51 pm | | 92 °F | Passing clouds. | 6 mph | ↑ | 44% | 30.08 "Hg | 10 mi |
| 2:51 pm |  | 92 °F | Broken clouds. | 5 mph | ↑ | 46% | 30.10 "Hg | 10 mi |
| 1:51 pm | | 91 °F | Scattered clouds. | 3 mph | ↑ | 49% | 30.11 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||