Old Greenwich Hourly Weather Forecast
Next 48 Hours
Ask About Weather
Test our newly developed Weather Chatbot. It provides up to 10 days of forecast information!Fri, Oct 9th 2026
Overcast conditions expected later. Temps range from 63° to 67°. Light winds, shifting from NW to W at 5.7 mph, with humidity ranging 45% to 48%, and an avg barometric pressure of 30.23 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
6 PM
67°F
60°F
45%
9.4 NW
30.17
45°F
0
11%
7 PM
65°F
60°F
48%
6.9 NNW
30.2
45°F
0
11%
8 PM
64°F
59°F
47%
5.1 NW
30.22
43°F
0
11%
9 PM
63°F
59°F
47%
4.3 WNW
30.24
43°F
0
11%
10 PM
63°F
59°F
47%
4 W
30.26
43°F
0
11%
11 PM
63°F
59°F
48%
4.5 W
30.26
43°F
0
11%
Sat, Oct 10th 2026
A full day of Overcast conditions is expected. Temps range from 56° to 63°. Light winds, shifting from W to SE at 5.8 mph, as humidity ranges 42% to 60%, and an avg barometric pressure of 30.41 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
12 AM
63°F
57°F
49%
7.2 W
30.28
43°F
0
12%
1 AM
61°F
55°F
48%
8.7 WNW
30.29
42°F
0
11%
2 AM
61°F
54°F
49%
8.3 WNW
30.3
42°F
0
12%
3 AM
60°F
53°F
51%
8.7 NW
30.31
42°F
0
10%
4 AM
59°F
52°F
52%
8.1 NW
30.31
41°F
0
12%
5 AM
58°F
52°F
54%
8.1 NW
30.33
42°F
0
13%
6 AM
58°F
51°F
56%
7.4 NW
30.35
42°F
0
13%
7 AM
57°F
51°F
59%
7.4 NNW
30.38
42°F
0
14%
8 AM
56°F
51°F
60%
7.2 N
30.41
42°F
0.1
10%
9 AM
57°F
51°F
58%
7.2 NNE
30.45
43°F
0.7
10%
10 AM
59°F
53°F
55%
6.9 NNE
30.46
43°F
1.6
13%
11 AM
60°F
55°F
51%
6.7 NE
30.45
42°F
2.6
12%
12 PM
62°F
58°F
46%
4.5 NE
30.48
41°F
3.7
11%
1 PM
63°F
59°F
44%
2 ENE
30.48
40°F
4.4
11%
2 PM
62°F
59°F
45%
2.9 NE
30.45
40°F
3.6
11%
3 PM
62°F
59°F
45%
2.9 NE
30.44
41°F
2.9
11%
4 PM
63°F
59°F
43%
2.7 NE
30.44
40°F
1.6
10%
5 PM
63°F
60°F
42%
2.2 ENE
30.45
40°F
0.5
10%
6 PM
63°F
59°F
44%
3.4 E
30.45
41°F
0
9%
7 PM
63°F
59°F
47%
4.3 E
30.47
42°F
0
7%
8 PM
62°F
58°F
49%
4.9 ESE
30.48
43°F
0
5%
9 PM
61°F
57°F
53%
5.8 SE
30.49
44°F
0
13%
10 PM
61°F
56°F
56%
5.8 SE
30.49
45°F
0
13%
11 PM
60°F
56°F
58%
6.3 SE
30.49
45°F
0
14%
Sun, Oct 11th 2026
A full day of Overcast conditions is expected. Temps range from 60° to 64°. Breezy wind, shifting from SE to ESE at 10.1 mph, as humidity fluctuates between 59% to 90%, and an avg barometric pressure of 30.36 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
12 AM
60°F
55°F
59%
6 SE
30.47
45°F
0
14%
1 AM
60°F
55°F
59%
6.9 ESE
30.47
46°F
0
14%
2 AM
60°F
55°F
60%
7.4 ESE
30.46
46°F
0
15%
3 AM
60°F
55°F
60%
7.2 ESE
30.46
46°F
0
15%
4 AM
60°F
55°F
59%
7.6 SE
30.43
46°F
0
14%
5 AM
60°F
55°F
59%
7.6 ESE
30.43
46°F
0
14%
6 AM
60°F
55°F
62%
8.1 E
30.42
47°F
0
15%
7 AM
60°F
54°F
66%
10.7 E
30.4
49°F
0
17%
8 AM
61°F
55°F
68%
10.3 ESE
30.41
50°F
0.2
17%
9 AM
62°F
55°F
65%
12.3 ESE
30.4
50°F
0.6
16%
10 AM
62°F
55°F
65%
13 ESE
30.38
50°F
1.4
16%
11 AM
63°F
57°F
63%
12.3 ESE
30.36
50°F
1.9
15%
12 PM
64°F
57°F
63%
12.3 ESE
30.33
51°F
1.5
15%
1 PM
64°F
57°F
65%
12.5 ESE
30.3
52°F
0.8
19%
2 PM
64°F
59°F
69%
11.4 ESE
30.25
53°F
0.5
38%
Rain est. 0.01in
Rain est. 0.01in
3 PM
63°F
58°F
77%
11.6 ESE
30.21
55°F
0.4
56%
Rain est. 0.02in
Rain est. 0.02in
4 PM
62°F
57°F
84%
12.3 ESE
30.19
57°F
0.2
71%
Rain est. 0.05in
Rain est. 0.05in
5 PM
61°F
57°F
90%
12.1 ESE
30.17
58°F
0
82%
Rain est. 0.1in
Rain est. 0.1in
This hour by hour weather report is valid for ZIP code 06870, accurately covering the area of Old Greenwich, CT.
Currently
|
68°F |
30.14 inHg.
Barometer 42%
Humidity NW 10.3mph Wind |
| Overcast | ||
National Outlook
Hurricane Isaias Impacting the Gulf Coast; Heavy Rains Expected in Southern California - 10-09 to 10-11
Fri Oct 9th 2026, 1:30am PDT
Read
Hourly Weather Nearby
More Local Information
Bookmark and Share
