Greenwich, CT Hourly Weather Forecast
Next 48 Hours
Fri, Oct 16th 2026
Sunny skies early, becoming light rain shower later. Temps range from 62° to 72°. Breezy wind, shifting from SW to WNW at 14 mph, as humidity fluctuates between 77% to 92%, and an avg barometric pressure of 29.72 inHg.
| Fri, Oct 16th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 PM Scattered Showers UV: 0.9 |
65°F Feels 62°F |
92% | 14.5 SW | 29.81 | 63°F | 32% |
1 PM Overcast UV: 0.5 |
66°F Feels 62°F |
90% | 15.2 SW | 29.78 | 63.1°F | 30% |
2 PM Cloudy UV: 0.8 |
67°F Feels 64°F |
90% | 13.9 SW | 29.73 | 63.7°F | 26% |
3 PM Partly Cloudy UV: 1.4 |
69°F Feels 66°F |
86% | 14.8 SW | 29.7 | 64.3°F | 17% |
4 PM Sunny UV: 0.9 |
71°F Feels 69°F |
79% | 13.4 SW | 29.67 | 64.3°F | 8% |
5 PM SunnyUV: 0.4 |
72°F Feels 70°F |
77% | 12.1 SW | 29.66 | 64.5°F | 8% |
6 PM Moderate Rain At Times UV: 0 |
70°F Feels 69°F |
85% | 11 SSW | 29.65 | 65°F | 55% Rain est. 0.02in |
7 PM Light Rain Shower UV: 0 |
68°F Feels 67°F |
92% | 11 SW | 29.66 | 65.5°F | 68% Rain est. 0.07in |
8 PM Light Rain ShowerUV: 0 |
69°F Feels 64°F |
86% | 18.1 WNW | 29.71 | 65°F | 70% Rain est. 0.04in |
9 PM Partly Cloudy UV: 0 |
62°F Feels 57°F |
84% | 14.1 NW | 29.73 | 57.4°F | 16% |
10 PM Scattered Showers UV: 0 |
62°F Feels 57°F |
80% | 13 WNW | 29.75 | 56.1°F | 27% |
11 PM Overcast UV: 0 |
62°F Feels 54°F |
79% | 17.4 WNW | 29.78 | 55.3°F | 23% |
Sat, Oct 17th 2026
A full day of Overcast conditions is expected. Temps range from 45° to 59°. Windy conditions, shifting from NW to NNE at 17.4 mph, as humidity ranges 39% to 80%, and an avg barometric pressure of 30.12 inHg.
| Sat, Oct 17th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM OvercastUV: 0 |
59°F Feels 47°F |
72% | 21 NW | 29.8 | 50.1°F | 19% |
1 AM OvercastUV: 0 |
57°F Feels 46°F |
69% | 19.2 NW | 29.81 | 47.1°F | 18% |
2 AM Scattered ShowersUV: 0 |
56°F Feels 48°F |
69% | 14.5 NW | 29.86 | 46.1°F | 19% |
3 AM Light Drizzle UV: 0 |
55°F Feels 47°F |
70% | 14.1 NNW | 29.91 | 45.7°F | 46% Rain est. 0.01in |
4 AM Light DrizzleUV: 0 |
52°F Feels 46°F |
80% | 13 N | 29.92 | 45.8°F | 42% Rain est. 0.01in |
5 AM Scattered ShowersUV: 0 |
49°F Feels 43°F |
79% | 16.6 N | 29.95 | 43.2°F | 34% |
6 AM Scattered ShowersUV: 0 |
49°F Feels 42°F |
74% | 19.2 NNW | 30 | 40.7°F | 21% |
7 AM Light DrizzleUV: 0 |
48°F Feels 42°F |
71% | 18.1 NNW | 30.03 | 39.1°F | 49% Rain est. 0.02in |
8 AM Light Drizzle UV: 0 |
48°F Feels 41°F |
69% | 19.9 N | 30.03 | 38.4°F | 35% Rain est. 0.01in |
9 AM Scattered ShowersUV: 0.4 |
48°F Feels 41°F |
68% | 17.4 N | 30.11 | 37.8°F | 23% |
10 AM Scattered ShowersUV: 1.4 |
47°F Feels 40°F |
69% | 19.7 N | 30.12 | 37.3°F | 20% |
11 AM Light DrizzleUV: 2.5 |
46°F Feels 39°F |
70% | 19.7 N | 30.14 | 37.2°F | 37% Rain est. 0.01in |
12 PM Scattered ShowersUV: 3.7 |
47°F Feels 40°F |
65% | 17.4 N | 30.18 | 35.4°F | 17% |
1 PM OvercastUV: 3 |
48°F Feels 42°F |
54% | 16.3 N | 30.18 | 32.5°F | 13% |
2 PM OvercastUV: 3.4 |
50°F Feels 42°F |
46% | 18.8 N | 30.17 | 30.3°F | 11% |
3 PM OvercastUV: 2.4 |
51°F Feels 43°F |
41% | 16.8 N | 30.19 | 28.2°F | 10% |
4 PM OvercastUV: 1.3 |
51°F Feels 43°F |
40% | 16.8 N | 30.2 | 27.3°F | 10% |
5 PM OvercastUV: 0.5 |
51°F Feels 43°F |
39% | 15.9 N | 30.23 | 27°F | 10% |
6 PM OvercastUV: 0 |
50°F Feels 42°F |
40% | 17.2 N | 30.24 | 27°F | 10% |
7 PM OvercastUV: 0 |
49°F Feels 42°F |
42% | 18.1 N | 30.28 | 26.7°F | 10% |
8 PM OvercastUV: 0 |
48°F Feels 42°F |
43% | 17.7 N | 30.31 | 26.7°F | 10% |
9 PM OvercastUV: 0 |
47°F Feels 41°F |
44% | 16.8 NNE | 30.35 | 26.7°F | 11% |
10 PM OvercastUV: 0 |
46°F Feels 39°F |
47% | 16.3 NNE | 30.37 | 26.8°F | 11% |
11 PM Partly CloudyUV: 0 |
45°F Feels 38°F |
48% | 16.8 NNE | 30.38 | 26.7°F | 5% |
Sun, Oct 18th 2026
Starting off Cloudy skies, turning Overcast conditions later in the day. Temps range from 41° to 48°. Windy conditions from the NNE at 15.7 mph, with humidity ranging 43% to 54%, and an avg barometric pressure of 30.48 inHg.
| Sun, Oct 18th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Clear UV: 0 |
44°F Feels 37°F |
49% | 15.4 NNE | 30.39 | 26.6°F | 2% |
1 AM ClearUV: 0 |
44°F Feels 36°F |
50% | 16.1 NNE | 30.4 | 26.4°F | 2% |
2 AM OvercastUV: 0 |
43°F Feels 35°F |
51% | 16.8 NE | 30.42 | 26.3°F | 12% |
3 AM OvercastUV: 0 |
43°F Feels 35°F |
52% | 15.2 NNE | 30.45 | 26.2°F | 13% |
4 AM OvercastUV: 0 |
42°F Feels 34°F |
53% | 17.4 NNE | 30.45 | 26.3°F | 13% |
5 AM OvercastUV: 0 |
42°F Feels 34°F |
53% | 17 NNE | 30.47 | 26.3°F | 13% |
6 AM Cloudy UV: 0 |
42°F Feels 33°F |
54% | 16.6 NNE | 30.48 | 26.4°F | 11% |
7 AM ClearUV: 0 |
41°F Feels 33°F |
54% | 14.8 NNE | 30.5 | 26.1°F | 4% |
8 AM SunnyUV: 0 |
42°F Feels 35°F |
53% | 13.6 NE | 30.56 | 26.3°F | 3% |
9 AM SunnyUV: 0.6 |
43°F Feels 35°F |
52% | 15.7 NNE | 30.55 | 26.9°F | 2% |
10 AM CloudyUV: 1.5 |
46°F Feels 39°F |
47% | 15.4 NE | 30.54 | 26.4°F | 7% |
11 AM OvercastUV: 2.7 |
48°F Feels 42°F |
43% | 14.1 NE | 30.57 | 26.5°F | 10% |
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