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Monthly weather forecast in Groton
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
1 September
+24
+21
1 September, sun
+24
+21
Feels like
+25
760 mmHg
73%
4.9
m/s
SW
+27
1 September, Sunday. day, 24°; night, 21°; clear
2
+23
+20
2 September, mon
+23
+20
Feels like
+24
758 mmHg
74%
5
m/s
SE
+26
2 September, Monday. day, 23°; night, 20°; partly cloudy
3
+24
+20
3 September, tue
+24
+20
Feels like
+23
759 mmHg
69%
5.5
m/s
W
+26
3 September, Tuesday. day, 24°; night, 20°; clear
4
September
+23
+13
4 September, wed
+23
+13
Feels like
+19
771 mmHg
51%
3
m/s
S
+21
Climate normal
+24
+20
4 September, Wednesday. day, 23°; night, 13°; clear
5
+23
+15
5 September, thu
+23
+15
Feels like
+20
770 mmHg
60%
3.7
m/s
SE
+21
Climate normal
+22
+20
5 September, Thursday. day, 23°; night, 15°; clear
6
+25
+16
6 September, fri
+25
+16
Feels like
+22
764 mmHg
73%
4.1
m/s
E
+21
Climate normal
+22
+18
6 September, Friday. day, 25°; night, 16°; mostly clear
7
+23
+18
7 September, sat
+23
+18
Feels like
+20
759 mmHg
76%
4
m/s
S
+21
Climate normal
+24
+20
7 September, Saturday. day, 23°; night, 18°; partly cloudy
8
+23
+13
8 September, sun
+23
+13
Feels like
+18
758 mmHg
61%
4.1
m/s
W
+21
Climate normal
+22
+18
8 September, Sunday. day, 23°; night, 13°; heavy rain
9
+21
+13
9 September, mon
+21
+13
Feels like
+15
762 mmHg
52%
5.4
m/s
W
+21
Climate normal
+22
+18
9 September, Monday. day, 21°; night, 13°; mostly clear
10
+23
+15
10 September, tue
+23
+15
Feels like
+18
763 mmHg
58%
4.1
m/s
SW
+21
Climate normal
+22
+18
10 September, Tuesday. day, 23°; night, 15°; light rain
11
+24
+17
11 September, wed
+24
+17
Feels like
+19
762 mmHg
62%
4.4
m/s
SW
+21
Climate normal
+22
+18
11 September, Wednesday. day, 24°; night, 17°; clear
12
+24
+16
12 September, thu
+24
+16
Feels like
+22
763 mmHg
72%
3.7
m/s
S
+21
Climate normal
+21
+18
12 September, Thursday. day, 24°; night, 16°; partly cloudy
13
+24
+17
13 September, fri
+24
+17
Feels like
+20
763 mmHg
70%
4.6
m/s
NE
+22
Climate normal
+22
+18
13 September, Friday. day, 24°; night, 17°; partly cloudy
14
+24
+17
14 September, sat
+24
+17
Feels like
+19
763 mmHg
67%
5.6
m/s
SE
Climate normal
+22
+18
14 September, Saturday. day, 24°; night, 17°; partly cloudy
15
+23
+17
15 September, sun
+23
+17
Feels like
+16
762 mmHg
70%
7
m/s
E
Climate normal
+20
+18
15 September, Sunday. day, 23°; night, 17°; partly cloudy
16
+21
+18
16 September, mon
+21
+18
Feels like
+17
759 mmHg
74%
5.3
m/s
W
Climate normal
+19
+15
16 September, Monday. day, 21°; night, 18°; clear
17
+21
+17
17 September, tue
+21
+17
Feels like
+17
758 mmHg
77%
4.7
m/s
W
Climate normal
+20
+16
17 September, Tuesday. day, 21°; night, 17°; clear
18
+19
+18
18 September, wed
+19
+18
Feels like
+18
762 mmHg
87%
2.9
m/s
E
Climate normal
+20
+16
18 September, Wednesday. day, 19°; night, 18°; partly cloudy
19
+20
+18
19 September, thu
+20
+18
Feels like
+18
762 mmHg
83%
3.8
m/s
SW
Climate normal
+20
+17
19 September, Thursday. day, 20°; night, 18°; light rain
20
+18
+17
20 September, fri
+18
+17
Feels like
+14
758 mmHg
95%
7.5
m/s
NE
Climate normal
+20
+16
20 September, Friday. day, 18°; night, 17°; rain
21
+17
+16
21 September, sat
+17
+16
Feels like
+14
761 mmHg
88%
5.9
m/s
NE
Climate normal
+21
+18
21 September, Saturday. day, 17°; night, 16°; partly cloudy
22
+18
+15
22 September, sun
+18
+15
Feels like
+16
762 mmHg
86%
4.2
m/s
E
Climate normal
+21
+16
22 September, Sunday. day, 18°; night, 15°; mostly clear
23
+18
+16
23 September, mon
+18
+16
Feels like
+17
762 mmHg
84%
2.6
m/s
S
Climate normal
+22
+18
23 September, Monday. day, 18°; night, 16°; clear
24
+19
+17
24 September, tue
+19
+17
Feels like
+16
760 mmHg
82%
3.8
m/s
SW
Climate normal
+20
+16
24 September, Tuesday. day, 19°; night, 17°; clear
25
+18
+16
25 September, wed
+18
+16
Feels like
+13
759 mmHg
84%
7.3
m/s
N
Climate normal
+19
+15
25 September, Wednesday. day, 18°; night, 16°; partly cloudy
26
+16
+13
26 September, thu
+16
+13
Feels like
+8
764 mmHg
72%
9.4
m/s
NE
Climate normal
+20
+16
26 September, Thursday. day, 16°; night, 13°; light rain
27
+16
+14
27 September, fri
+16
+14
Feels like
+12
765 mmHg
68%
3.7
m/s
E
Climate normal
+22
+18
27 September, Friday. day, 16°; night, 14°; clear
28
+17
+13
28 September, sat
+17
+13
Feels like
+13
762 mmHg
67%
3
m/s
S
Climate normal
+20
+17
28 September, Saturday. day, 17°; night, 13°; clear
29
+17
+14
29 September, sun
+17
+14
Feels like
+13
759 mmHg
73%
3.5
m/s
E
Climate normal
+18
+17
29 September, Sunday. day, 17°; night, 14°; clear
30
+18
+15
30 September, mon
+18
+15
Feels like
+14
759 mmHg
79%
3.5
m/s
E
Climate normal
+17
+15
30 September, Monday. day, 18°; night, 15°; clear
1 October
+18
+16
1 October, tue
+18
+16
Feels like
+16
761 mmHg
78%
3.5
m/s
N
Climate normal
+17
+14
1 October, Tuesday. day, 18°; night, 16°; clear
2
+19
+17
2 October, wed
+19
+17
Feels like
+16
764 mmHg
72%
4.7
m/s
SW
Climate normal
+16
+14
2 October, Wednesday. day, 19°; night, 17°; clear
3
+20
+18
3 October, thu
+20
+18
Feels like
+15
762 mmHg
71%
7.2
m/s
SW
Climate normal
+17
+15
3 October, Thursday. day, 20°; night, 18°; clear
Average data for 10 years
Next, the average data for 10 years
4
+17
+14
4 October, fri
+17
+14
Feels like
+15
761 mmHg
73%
6.1
m/s
N
+19
4 October, Friday. day, 17°; night, 14°; clear
5
+18
+14
5 October, sat
+18
+14
Feels like
+16
762 mmHg
72%
5
m/s
NW
+20
5 October, Saturday. day, 18°; night, 14°; partly cloudy
Average for 30 days
17
sunny days
5
days with precipitation
8
cloudy days
17 sunny days; 5 days with precipitation; 8 cloudy days;
73
%
air humidity
4.7
m/s
Wind
E
10
mm of precipitation
(2% of annual average)
+21
°C
Water temperature
air humidity 73%; 10 millimeters of precipitation (2% of annual average); Wind easterly 4.7 Meters per second; Water temperature +21°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
SE
E
S
W
W
SW
SW
S
NE
SE
E
W
W
E
SW
NE
NE
E
S
SW
N
NE
E
S
E
E
N
SW
SW
4
Average data for 10 years
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
Daytime temperature
Night-time temperature
