Thacher Island - Rockport, Massachusetts
42° 38.21' N - 070° 34.52' W - 20 feet
Friday July 17 15:40:00 2026

Monthly Summary: 
Yearly Summary: 

Today Week Month Year All
High Temperature: 80.4
13:58
87.0
Thursday
95.8
07/03/26
95.8
07/03/26
95.8
07/03/26
°F
Low Temperature: 63.4
05:23
63.4
Friday
63.4
07/17/26
14.4
01/27/26
-8.8
02/04/23
°F
High Humidity: 80
03:04
99
Tuesday
99
07/14/26
100
04/27/26
100
08/23/15
%
Low Humidity: 38
15:37
38
Friday
38
07/17/26
1
04/25/26
1
06/11/19
%
High Dewpoint: 60.9
00:00
77.4
Tuesday
77.4
07/14/26
77.4
07/14/26
86.1
07/11/23
°F
Low Dewpoint: 51.9
15:38
51.9
Friday
51.9
07/17/26
-42.9
05/01/26
-47.3
06/13/19
°F
High Barometer: 29.914
12:09
29.914
Friday
29.914
07/17/26
29.914
07/17/26
30.822
11/25/15
inHg
Low Barometer: 29.798
00:01
29.610
Thursday
29.610
07/16/26
29.610
07/16/26
27.272
07/11/23
inHg
High Heat Index: 80.9
13:56
92.5
Tuesday
101.9
07/03/26
101.9
07/03/26
112.3
07/11/23
°F
Low Wind Chill: 63.4
05:23
63.4
Friday
63.4
07/17/26
-6.3
01/27/26
-42.4
02/04/23
°F
High Wind Speed: 27
11:38
41
Thursday
41
07/07/26
93
03/03/26
105
12/10/24
mph
Ave Wind Speed: 12 11 11 12 11 mph
High Rain Rate: 0.00
00:00
655.35
Friday
655.35
07/01/26
655.35
01/01/26
655.35
02/23/21
in/hr
Rain Total: 0.00
0.14
0.14 107.18 1371.72 in
High UV Index: 4.0
12:48
4.0
Friday
4.9
07/04/26
4.9
07/04/26
10.3
07/14/16
High Solar Radiation: 1013
12:40
1013
Friday
1153
07/01/26
1317
05/11/26
1510
06/22/22
W/m²