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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
15
September
+24
+12
15 September, sun
+24
+12
Feels like
+19
769 mmHg
61%
4.2
m/s
SE
+21
Climate normal
+20
+18
15 September, Sunday. day, 24°; night, 12°; clear
16
+22
+15
16 September, mon
+22
+15
Feels like
+20
769 mmHg
72%
2.8
m/s
SE
+21
Climate normal
+19
+15
16 September, Monday. day, 22°; night, 15°; partly cloudy
17
+24
+20
17 September, tue
+24
+20
Feels like
+23
765 mmHg
80%
2.9
m/s
E
+22
Climate normal
+20
+16
17 September, Tuesday. day, 24°; night, 20°; overcast
18
+22
+19
18 September, wed
+22
+19
Feels like
+21
762 mmHg
90%
5.1
m/s
NE
+22
Climate normal
+20
+16
18 September, Wednesday. day, 22°; night, 19°; light rain
19
+22
+18
19 September, thu
+22
+18
Feels like
+20
759 mmHg
88%
4.4
m/s
NE
+22
Climate normal
+20
+17
19 September, Thursday. day, 22°; night, 18°; partly cloudy
20
+22
+15
20 September, fri
+22
+15
Feels like
+18
761 mmHg
78%
5.6
m/s
NE
+22
Climate normal
+20
+16
20 September, Friday. day, 22°; night, 15°; mostly clear
21
+19
+12
21 September, sat
+19
+12
Feels like
+13
766 mmHg
70%
5.9
m/s
NE
+22
Climate normal
+21
+18
21 September, Saturday. day, 19°; night, 12°; light rain
22
+20
+15
22 September, sun
+20
+15
Feels like
+15
766 mmHg
65%
4.8
m/s
E
+22
Climate normal
+21
+16
22 September, Sunday. day, 20°; night, 15°; light rain
23
+21
+15
23 September, mon
+21
+15
Feels like
+17
765 mmHg
66%
4.2
m/s
S
+21
Climate normal
+22
+18
23 September, Monday. day, 21°; night, 15°; mostly clear
24
+22
+15
24 September, tue
+22
+15
Feels like
+17
763 mmHg
70%
3.7
m/s
S
+21
Climate normal
+20
+16
24 September, Tuesday. day, 22°; night, 15°; partly cloudy
25
+21
+16
25 September, wed
+21
+16
Feels like
+17
761 mmHg
75%
4.3
m/s
E
Climate normal
+19
+15
25 September, Wednesday. day, 21°; night, 16°; partly cloudy
26
+24
+17
26 September, thu
+24
+17
Feels like
+18
759 mmHg
70%
5.3
m/s
NW
Climate normal
+20
+16
26 September, Thursday. day, 24°; night, 17°; partly cloudy
27
+18
+18
27 September, fri
+18
+18
Feels like
+16
757 mmHg
88%
4.2
m/s
SW
Climate normal
+22
+18
27 September, Friday. day, 18°; night, 18°; light rain
28
+19
+18
28 September, sat
+19
+18
Feels like
+17
755 mmHg
89%
5.7
m/s
SE
Climate normal
+20
+17
28 September, Saturday. day, 19°; night, 18°; light rain
29
+19
+17
29 September, sun
+19
+17
Feels like
+13
757 mmHg
83%
8.9
m/s
E
Climate normal
+18
+17
29 September, Sunday. day, 19°; night, 17°; partly cloudy
30
+17
+17
30 September, mon
+17
+17
Feels like
+11
760 mmHg
83%
10.2
m/s
E
Climate normal
+17
+15
30 September, Monday. day, 17°; night, 17°; partly cloudy
1 October
+18
+18
1 October, tue
+18
+18
Feels like
+13
759 mmHg
94%
10.5
m/s
E
Climate normal
+17
+14
1 October, Tuesday. day, 18°; night, 18°; rain
2
+20
+19
2 October, wed
+20
+19
Feels like
+19
758 mmHg
94%
3.8
m/s
E
Climate normal
+16
+14
2 October, Wednesday. day, 20°; night, 19°; light rain
3
+22
+19
3 October, thu
+22
+19
Feels like
+20
757 mmHg
85%
3.5
m/s
SE
Climate normal
+17
+15
3 October, Thursday. day, 22°; night, 19°; partly cloudy
4
+18
+17
4 October, fri
+18
+17
Feels like
+13
752 mmHg
96%
10.1
m/s
NE
Climate normal
+17
+14
4 October, Friday. day, 18°; night, 17°; rain
5
+17
+15
5 October, sat
+17
+15
Feels like
+12
748 mmHg
82%
9.6
m/s
NW
Climate normal
+18
+14
5 October, Saturday. day, 17°; night, 15°; light rain
6
+18
+11
6 October, sun
+18
+11
Feels like
+9
754 mmHg
72%
10.2
m/s
NW
Climate normal
+19
+15
6 October, Sunday. day, 18°; night, 11°; clear
7
+14
+13
7 October, mon
+14
+13
Feels like
+8
762 mmHg
57%
5.3
m/s
SW
Climate normal
+18
+15
7 October, Monday. day, 14°; night, 13°; clear
8
+17
+15
8 October, tue
+17
+15
Feels like
+11
763 mmHg
66%
5
m/s
SW
Climate normal
+18
+15
8 October, Tuesday. day, 17°; night, 15°; clear
9
+18
+17
9 October, wed
+18
+17
Feels like
+15
762 mmHg
86%
5.1
m/s
SW
Climate normal
+18
+15
9 October, Wednesday. day, 18°; night, 17°; mostly clear
10
+20
+18
10 October, thu
+20
+18
Feels like
+15
761 mmHg
84%
7.2
m/s
SW
Climate normal
+17
+14
10 October, Thursday. day, 20°; night, 18°; partly cloudy
11
+19
+16
11 October, fri
+19
+16
Feels like
+17
761 mmHg
83%
4.1
m/s
NW
Climate normal
+16
+12
11 October, Friday. day, 19°; night, 16°; mostly clear
12
+20
+17
12 October, sat
+20
+17
Feels like
+16
762 mmHg
86%
5.8
m/s
S
Climate normal
+16
+13
12 October, Saturday. day, 20°; night, 17°; partly cloudy
13
+18
+14
13 October, sun
+18
+14
Feels like
+14
765 mmHg
71%
4.7
m/s
NW
Climate normal
+16
+13
13 October, Sunday. day, 18°; night, 14°; clear
14
+17
+15
14 October, mon
+17
+15
Feels like
+12
769 mmHg
74%
4.2
m/s
SE
Climate normal
+16
+13
14 October, Monday. day, 17°; night, 15°; clear
Average data for 10 years
Next, the average data for 10 years
15
+15
+14
15 October, tue
+15
+14
Feels like
+11
758 mmHg
73%
7.1
m/s
W
+17
15 October, Tuesday. day, 15°; night, 14°; partly cloudy
16
+15
+13
16 October, wed
+15
+13
Feels like
+11
758 mmHg
69%
6.8
m/s
W
+18
16 October, Wednesday. day, 15°; night, 13°; clear
17
+15
+12
17 October, thu
+15
+12
Feels like
+12
759 mmHg
64%
6.5
m/s
NW
+17
17 October, Thursday. day, 15°; night, 12°; partly cloudy
18
+14
+11
18 October, fri
+14
+11
Feels like
+10
760 mmHg
67%
6.4
m/s
NW
+17
18 October, Friday. day, 14°; night, 11°; rain
19
+17
+13
19 October, sat
+17
+13
Feels like
+13
759 mmHg
63%
7
m/s
W
+18
19 October, Saturday. day, 17°; night, 13°; partly cloudy
Average for 30 days
10
sunny days
9
days with precipitation
11
cloudy days
10 sunny days; 9 days with precipitation; 11 cloudy days;
79
%
air humidity
5.7
m/s
Wind
E
9
mm of precipitation
(1% of annual average)
+22
°C
Water temperature
air humidity 79%; 9 millimeters of precipitation (1% of annual average); Wind easterly 5.7 Meters per second; Water temperature +22°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SE
SE
E
NE
NE
NE
NE
E
S
S
E
NW
SW
SE
E
E
E
E
SE
NE
NW
NW
SW
SW
SW
SW
NW
S
NW
SE
15
Average data for 10 years
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
8
9
10
11
12
13
14
Daytime temperature
Night-time temperature
