Currently: 69 °F. Mostly cloudy. (Weather station: Barnstable Municipal-Boardman Airport, USA). See more current weatherPast Weather in Dennis — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
47
51
55
59
63
67
71
75
79
83
87
Sun, Aug 3
Lo:54
12 am
Hi:55
0
Lo:54
6 am
Hi:75
2
Lo:72
12 pm
Hi:75
7
Lo:59
6 pm
Hi:72
5
Mon, Aug 4
Lo:54
12 am
Hi:63
1
Lo:54
6 am
Hi:79
4
Lo:75
12 pm
Hi:79
7
Lo:64
6 pm
Hi:75
3
Tue, Aug 5
Lo:57
12 am
Hi:64
0
Lo:57
6 am
Hi:77
4
Lo:70
12 pm
Hi:77
10
Lo:63
6 pm
Hi:70
4
Wed, Aug 6
Lo:63
12 am
Hi:64
2
Lo:64
6 am
Hi:73
9
Lo:70
12 pm
Hi:75
10
Lo:63
6 pm
Hi:70
3
Thu, Aug 7
Lo:63
12 am
Hi:63
1
Lo:63
6 am
Hi:77
6
Lo:73
12 pm
Hi:77
8
Lo:54
6 pm
Hi:73
2
Fri, Aug 8
Lo:54
12 am
Hi:54
0
Lo:54
6 am
Hi:75
4
Lo:72
12 pm
Hi:75
7
Lo:52
6 pm
Hi:72
2
Sat, Aug 9
Lo:48
12 am
Hi:52
0
Lo:48
6 am
Hi:73
3
Lo:72
12 pm
Hi:73
7
Lo:57
6 pm
Hi:72
2
Sun, Aug 10
Lo:55
12 am
Hi:57
0
Lo:55
6 am
Hi:77
7
Lo:73
12 pm
Hi:77
9
Lo:70
6 pm
Hi:73
9
Mon, Aug 11
Lo:70
12 am
Hi:70
6
Lo:70
6 am
Hi:82
8
Lo:81
12 pm
Hi:88
11
Lo:72
6 pm
Hi:81
7
Tue, Aug 12
Lo:66
12 am
Hi:72
4
Lo:68
6 am
Hi:86
6
Lo:82
12 pm
Hi:88
11
Lo:70
6 pm
Hi:82
10
Wed, Aug 13
Lo:70
12 am
Hi:70
8
Lo:70
6 am
Hi:79
11
Lo:75
12 pm
Hi:79
14
Lo:73
6 pm
Hi:75
12
Thu, Aug 14
Lo:73
12 am
Hi:75
10
Lo:73
6 am
Hi:79
8
Lo:79
12 pm
Hi:81
7
Lo:72
6 pm
Hi:79
3
Fri, Aug 15
Lo:70
12 am
Hi:72
4
Lo:70
6 am
Hi:79
10
Lo:72
12 pm
Hi:79
13
Lo:61
6 pm
Hi:72
4
Sat, Aug 16
Lo:57
12 am
Hi:61
0
Lo:61
6 am
Hi:79
5
Lo:73
12 pm
Hi:79
7
Lo:70
6 pm
Hi:73
6
Sun, Aug 17
Lo:70
12 am
Hi:72
6
Lo:72
6 am
Hi:81
14
Lo:77
12 pm
Hi:82
19
Lo:70
6 pm
Hi:77
15
Mon, Aug 18
Lo:70
12 am
Hi:70
15
Sunday, August 3, 2025, 12:00 am — 6:00 am
55 / 54 °F
Clear.
Humidity: 95%
Barometer: 30.16 "Hg
N
Wind: 0 mph
Dennis Temperature Yesterday
Maximum temperature yesterday: 83 °F (at 12:56 pm)
Minimum temperature yesterday: 70 °F (at 12:56 am)
Average temperature yesterday: 76 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 88 °F (Aug 12, 2:56 pm) | 97% (Aug 3, 1:56 am) | 30.42 "Hg (Aug 3, 1:56 am) |
| Low | 49 °F (Aug 9, 4:56 am) | 39% (Aug 3, 2:56 pm) | 29.83 "Hg (Aug 17, 7:56 pm) |
| Average | 70 °F | 77% | 30.13 "Hg |
| * Reported Aug 3 12:56 am — Aug 18 12:56 am, Dennis. 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
Dennis Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:56 am Mon, Aug 18 | | 69 °F | Overcast. | 15 mph | ↑ | 81% | 29.93 "Hg | 10 mi |
| 11:56 pm Sun, Aug 17 | | 70 °F | Low clouds. | 15 mph | ↑ | 84% | 29.89 "Hg | 10 mi |
| 11:23 pm | | 71 °F | Mostly cloudy. | 14 mph | ↑ | 90% | 29.88 "Hg | 8 mi |
| 10:56 pm | | 75 °F | Overcast. | 10 mph | ↑ | 85% | 29.88 "Hg | 10 mi |
| 9:56 pm |  | 75 °F | Passing clouds. | 16 mph | ↑ | 85% | 29.85 "Hg | 10 mi |
| 8:56 pm | | 75 °F | Passing clouds. | 17 mph | ↑ | 82% | 29.85 "Hg | 10 mi |
| 7:56 pm |  | 76 °F | Clear. | 14 mph | ↑ | 77% | 29.83 "Hg | 10 mi |
| 6:56 pm |  | 76 °F | Sunny. | 16 mph | ↑ | 77% | 29.84 "Hg | 10 mi |
| 5:56 pm | | 77 °F | Sunny. | 17 mph | ↑ | 71% | 29.83 "Hg | 10 mi |
| 4:56 pm | | 78 °F | Sunny. | 20 mph | ↑ | 71% | 29.84 "Hg | 10 mi |
| 3:56 pm | | 81 °F | Sunny. | 18 mph | ↑ | 67% | 29.84 "Hg | 10 mi |
| 2:56 pm | | 82 °F | Sunny. | 22 mph | ↑ | 63% | 29.85 "Hg | 10 mi |
| 1:56 pm | | 82 °F | Sunny. | 17 mph | ↑ | 63% | 29.86 "Hg | 10 mi |
| 12:56 pm |  | 83 °F | Passing clouds. | 22 mph | ↑ | 61% | 29.87 "Hg | 10 mi |
| 11:56 am | | 81 °F | Passing clouds. | 20 mph | ↑ | 67% | 29.89 "Hg | 10 mi |
| 10:56 am | | 80 °F | Sunny. | 16 mph | ↑ | 67% | 29.90 "Hg | 10 mi |
| 9:56 am | | 79 °F | Sunny. | 16 mph | ↑ | 67% | 29.90 "Hg | 10 mi |
| 8:56 am | | 76 °F | Sunny. | 13 mph | ↑ | 74% | 29.91 "Hg | 10 mi |
| 7:56 am | | 74 °F | Scattered clouds. | 14 mph | ↑ | 76% | 29.94 "Hg | 10 mi |
| 6:56 am |  | 73 °F | Broken clouds. | 10 mph | ↑ | 74% | 29.95 "Hg | 10 mi |
| 5:56 am | | 71 °F | Partly sunny. | 6 mph | ↑ | 78% | 29.96 "Hg | 10 mi |
| 4:56 am |  | 71 °F | Partly cloudy. | 7 mph | ↑ | 81% | 29.96 "Hg | 10 mi |
| 3:56 am | | 70 °F | Clear. | 7 mph | ↑ | 79% | 29.97 "Hg | 10 mi |
| 2:56 am | | 71 °F | Passing clouds. | 7 mph | ↑ | 78% | 29.98 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||