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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
+20
+18
15 September, sun
+20
+18
Feels like
+19
762 mmHg
68%
5.6
m/s
NW
+23
15 September, Sunday. day, 20°; night, 18°; partly cloudy
16
+22
+14
16 September, mon
+22
+14
Feels like
+16
769 mmHg
78%
3
m/s
SE
Climate normal
+19
+15
16 September, Monday. day, 22°; night, 14°; partly cloudy
17
September
+24
+16
17 September, tue
+24
+16
Feels like
+22
766 mmHg
81%
2.5
m/s
SE
+21
Climate normal
+20
+16
17 September, Tuesday. day, 24°; night, 16°; overcast
18
+24
+18
18 September, wed
+24
+18
Feels like
+22
762 mmHg
77%
3.1
m/s
E
+21
Climate normal
+20
+16
18 September, Wednesday. day, 24°; night, 18°; overcast
19
+23
+17
19 September, thu
+23
+17
Feels like
+20
757 mmHg
79%
5.5
m/s
NE
+21
Climate normal
+20
+17
19 September, Thursday. day, 23°; night, 17°; heavy rain
20
+20
+16
20 September, fri
+20
+16
Feels like
+17
759 mmHg
81%
5.5
m/s
NE
+21
Climate normal
+20
+16
20 September, Friday. day, 20°; night, 16°; heavy rain
21
+19
+14
21 September, sat
+19
+14
Feels like
+14
762 mmHg
76%
5.6
m/s
NE
+21
Climate normal
+21
+18
21 September, Saturday. day, 19°; night, 14°; overcast
22
+19
+12
22 September, sun
+19
+12
Feels like
+13
765 mmHg
67%
5.8
m/s
NE
+21
Climate normal
+21
+16
22 September, Sunday. day, 19°; night, 12°; overcast
23
+19
+12
23 September, mon
+19
+12
Feels like
+13
766 mmHg
68%
5.8
m/s
NE
+20
Climate normal
+22
+18
23 September, Monday. day, 19°; night, 12°; partly cloudy
24
+20
+15
24 September, tue
+20
+15
Feels like
+14
765 mmHg
70%
4.6
m/s
E
+20
Climate normal
+20
+16
24 September, Tuesday. day, 20°; night, 15°; partly cloudy
25
+22
+16
25 September, wed
+22
+16
Feels like
+17
764 mmHg
72%
4.3
m/s
E
+20
Climate normal
+19
+15
25 September, Wednesday. day, 22°; night, 16°; partly cloudy
26
+22
+16
26 September, thu
+22
+16
Feels like
+17
762 mmHg
76%
4.8
m/s
SW
+19
Climate normal
+20
+16
26 September, Thursday. day, 22°; night, 16°; partly cloudy
27
+22
+18
27 September, fri
+22
+18
Feels like
+18
761 mmHg
77%
5.2
m/s
S
Climate normal
+22
+18
27 September, Friday. day, 22°; night, 18°; partly cloudy
28
+21
+17
28 September, sat
+21
+17
Feels like
+16
758 mmHg
77%
6.9
m/s
SE
Climate normal
+20
+17
28 September, Saturday. day, 21°; night, 17°; partly cloudy
29
+14
+13
29 September, sun
+14
+13
Feels like
+10
763 mmHg
79%
4.8
m/s
E
Climate normal
+18
+17
29 September, Sunday. day, 14°; night, 13°; rain
30
+16
+15
30 September, mon
+16
+15
Feels like
+10
758 mmHg
78%
7.3
m/s
S
Climate normal
+17
+15
30 September, Monday. day, 16°; night, 15°; light rain
1 October
+19
+17
1 October, tue
+19
+17
Feels like
+11
755 mmHg
69%
8.6
m/s
S
Climate normal
+17
+14
1 October, Tuesday. day, 19°; night, 17°; partly cloudy
2
+17
+10
2 October, wed
+17
+10
Feels like
+5
758 mmHg
68%
14
m/s
SE
Climate normal
+16
+14
2 October, Wednesday. day, 17°; night, 10°; partly cloudy
3
+12
+10
3 October, thu
+12
+10
Feels like
−2
764 mmHg
54%
16
m/s
W
Climate normal
+17
+15
3 October, Thursday. day, 12°; night, 10°; partly cloudy
4
+15
+13
4 October, fri
+15
+13
Feels like
+5
762 mmHg
58%
10.4
m/s
NW
Climate normal
+17
+14
4 October, Friday. day, 15°; night, 13°; clear
5
+15
+14
5 October, sat
+15
+14
Feels like
+9
762 mmHg
70%
6.2
m/s
NW
Climate normal
+18
+14
5 October, Saturday. day, 15°; night, 14°; clear
6
+16
+14
6 October, sun
+16
+14
Feels like
+12
761 mmHg
69%
4.6
m/s
S
Climate normal
+19
+15
6 October, Sunday. day, 16°; night, 14°; clear
7
+16
+13
7 October, mon
+16
+13
Feels like
+10
759 mmHg
68%
6.4
m/s
SW
Climate normal
+18
+15
7 October, Monday. day, 16°; night, 13°; partly cloudy
8
+15
+16
8 October, tue
+15
+16
Feels like
+11
758 mmHg
79%
4.5
m/s
W
Climate normal
+18
+15
8 October, Tuesday. day, 15°; night, 16°; light rain
9
+17
+13
9 October, wed
+17
+13
Feels like
+15
752 mmHg
83%
2.9
m/s
S
Climate normal
+18
+15
9 October, Wednesday. day, 17°; night, 13°; rain
10
+16
+14
10 October, thu
+16
+14
Feels like
+13
757 mmHg
84%
4.5
m/s
SE
Climate normal
+17
+14
10 October, Thursday. day, 16°; night, 14°; partly cloudy
11
+15
+13
11 October, fri
+15
+13
Feels like
+14
754 mmHg
87%
3.3
m/s
E
Climate normal
+16
+12
11 October, Friday. day, 15°; night, 13°; rain
12
+14
+12
12 October, sat
+14
+12
Feels like
+11
756 mmHg
82%
2.7
m/s
SE
Climate normal
+16
+13
12 October, Saturday. day, 14°; night, 12°; light rain
13
+14
+11
13 October, sun
+14
+11
Feels like
+10
758 mmHg
78%
3.6
m/s
SE
Climate normal
+16
+13
13 October, Sunday. day, 14°; night, 11°; partly cloudy
14
+12
+10
14 October, mon
+12
+10
Feels like
+6
759 mmHg
66%
4.8
m/s
E
Climate normal
+16
+13
14 October, Monday. day, 12°; night, 10°; partly cloudy
15
+14
+12
15 October, tue
+14
+12
Feels like
+9
754 mmHg
74%
4.9
m/s
E
Climate normal
+15
+14
15 October, Tuesday. day, 14°; night, 12°; partly cloudy
16
+12
+10
16 October, wed
+12
+10
Feels like
+6
754 mmHg
61%
5.1
m/s
SE
Climate normal
+15
+13
16 October, Wednesday. day, 12°; night, 10°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
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
7
sunny days
4
days with precipitation
19
cloudy days
7 sunny days; 4 days with precipitation; 19 cloudy days;
74
%
air humidity
5.8
m/s
Wind
E
56
mm of precipitation
(6% of annual average)
+21
°C
Water temperature
air humidity 74%; 56 millimeters of precipitation (6% of annual average); Wind easterly 5.8 Meters per second; Water temperature +21°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SE
E
NE
NE
NE
NE
NE
E
E
SW
S
SE
E
S
S
SE
W
NW
NW
S
SW
W
S
SE
E
SE
SE
E
E
SE
17
Average data for 10 years
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
15
16
Daytime temperature
Night-time temperature
