Greenwich, CT Hourly Weather Forecast
Next 48 Hours
Tue, Sep 1st 2026
Starting off moderate rain, turning light rain shower later in the day. Temps range from 68° to 82°. Breezy wind, shifting from SW to ENE at 10.1 mph, with humidity ranging 68% to 96%, and an avg barometric pressure of 29.96 inHg.
| Tue, Sep 1st | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
6 AM Moderate Rain UV: 0 |
69°F Feels 73°F |
93% | 5.8 SW | 29.98 | 67.4°F | 90% Rain est. 0.22in |
7 AM Moderate Rain UV: 0.1 |
70°F Feels 73°F |
94% | 6.3 WSW | 29.98 | 68.2°F | 90% Rain est. 0.22in |
8 AM Moderate RainUV: 0.6 |
71°F Feels 74°F |
94% | 6 WSW | 29.99 | 68.6°F | 90% Rain est. 0.22in |
9 AM Moderate RainUV: 1.4 |
72°F Feels 76°F |
94% | 6.3 WSW | 29.98 | 70°F | 90% Rain est. 0.22in |
10 AM Moderate RainUV: 2.9 |
72°F Feels 76°F |
94% | 7.2 SW | 29.97 | 70.3°F | 90% Rain est. 0.23in |
11 AM Moderate RainUV: 4.5 |
75°F Feels 80°F |
92% | 8.7 WSW | 29.96 | 73°F | 89% Rain est. 0.23in |
12 PM Moderate RainUV: 4.3 |
78°F Feels 83°F |
86% | 6.9 WSW | 29.96 | 74°F | 87% Rain est. 0.23in |
1 PM Scattered Showers UV: 6.4 |
80°F Feels 83°F |
68% | 4.7 WSW | 29.93 | 68.8°F | 13% |
2 PM Light Rain Shower UV: 6.1 |
82°F Feels 86°F |
68% | 2.9 W | 29.91 | 70°F | 27% Rain est. 0.01in |
3 PM Light Rain ShowerUV: 3.9 |
81°F Feels 85°F |
72% | 5.4 NNW | 29.9 | 71.3°F | 36% Rain est. 0.01in |
4 PM Moderate Rain At Times UV: 2 |
80°F Feels 84°F |
80% | 6 NNW | 29.9 | 72.8°F | 54% Rain est. 0.03in |
5 PM Light Rain ShowerUV: 1 |
78°F Feels 83°F |
86% | 6.5 N | 29.91 | 73.1°F | 79% Rain est. 0.09in |
6 PM Light Rain ShowerUV: 0.4 |
75°F Feels 77°F |
91% | 11.9 ENE | 29.94 | 72.2°F | 72% Rain est. 0.05in |
7 PM Light Rain ShowerUV: 0 |
73°F Feels 72°F |
94% | 15.7 ENE | 29.96 | 70.9°F | 72% Rain est. 0.06in |
8 PM Moderate Or Heavy Rain Shower UV: 0 |
69°F Feels 64°F |
96% | 20.8 ENE | 29.99 | 67.8°F | 86% Rain est. 0.11in |
9 PM Light Rain Shower UV: 0 |
68°F Feels 63°F |
96% | 20.6 ENE | 30.02 | 67°F | 80% Rain est. 0.07in |
10 PM Light Rain ShowerUV: 0 |
68°F Feels 63°F |
95% | 19.9 ENE | 30.04 | 66.5°F | 81% Rain est. 0.07in |
11 PM Light Rain ShowerUV: 0 |
68°F Feels 63°F |
94% | 19.5 ENE | 30.03 | 66.2°F | 79% Rain est. 0.06in |
Wed, Sep 2nd 2026
A full day of Scattered showers conditions is expected. Temps range from 67° to 72°. Breezy wind, shifting from ENE to ESE at 13.4 mph, with humidity levels between 74% to 92%, and an avg barometric pressure of 30.09 inHg.
| Wed, Sep 2nd | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Scattered Showers UV: 0 |
68°F Feels 64°F |
92% | 17.4 ENE | 30.04 | 65.7°F | 39% |
1 AM Light Rain ShowerUV: 0 |
68°F Feels 64°F |
91% | 16.3 ENE | 30.05 | 65.4°F | 56% Rain est. 0.02in |
2 AM Light Rain ShowerUV: 0 |
68°F Feels 65°F |
90% | 15.2 E | 30.05 | 64.9°F | 61% Rain est. 0.02in |
3 AM Light Rain ShowerUV: 0 |
68°F Feels 65°F |
90% | 15.2 ENE | 30.06 | 64.8°F | 63% Rain est. 0.02in |
4 AM Light Rain ShowerUV: 0 |
68°F Feels 64°F |
90% | 15.7 ENE | 30.07 | 64.6°F | 52% Rain est. 0.01in |
5 AM Scattered ShowersUV: 0 |
67°F Feels 64°F |
90% | 14.5 ENE | 30.07 | 64.3°F | 31% |
6 AM Scattered ShowersUV: 0 |
68°F Feels 65°F |
90% | 14.5 ENE | 30.08 | 64.6°F | 37% |
7 AM Scattered ShowersUV: 0 |
68°F Feels 64°F |
91% | 14.8 ENE | 30.09 | 64.7°F | 40% |
8 AM Scattered ShowersUV: 0.1 |
68°F Feels 65°F |
90% | 15 ENE | 30.11 | 64.7°F | 40% |
9 AM Scattered ShowersUV: 0.4 |
68°F Feels 65°F |
88% | 14.8 ENE | 30.12 | 64.6°F | 35% |
10 AM Scattered ShowersUV: 1 |
69°F Feels 66°F |
86% | 13.9 E | 30.12 | 64.5°F | 30% |
11 AM Scattered ShowersUV: 1.2 |
70°F Feels 68°F |
82% | 13.4 E | 30.13 | 64.3°F | 30% |
12 PM Scattered ShowersUV: 1.5 |
71°F Feels 68°F |
80% | 13.2 E | 30.13 | 64°F | 24% |
1 PM Scattered ShowersUV: 1.6 |
71°F Feels 69°F |
78% | 12.8 E | 30.12 | 63.7°F | 21% |
2 PM Overcast UV: 1.8 |
72°F Feels 70°F |
75% | 12.1 E | 30.12 | 63.6°F | 21% |
3 PM Scattered ShowersUV: 1.2 |
72°F Feels 70°F |
74% | 11.9 E | 30.12 | 63.5°F | 21% |
4 PM OvercastUV: 1.2 |
72°F Feels 69°F |
75% | 12.3 E | 30.11 | 63.4°F | 21% |
5 PM OvercastUV: 0.5 |
72°F Feels 69°F |
76% | 12.3 E | 30.09 | 63.5°F | 21% |
6 PM OvercastUV: 0.1 |
71°F Feels 69°F |
76% | 12.3 ESE | 30.08 | 63.5°F | 21% |
7 PM OvercastUV: 0 |
70°F Feels 68°F |
79% | 12.3 ESE | 30.07 | 63.4°F | 23% |
8 PM Scattered ShowersUV: 0 |
70°F Feels 69°F |
81% | 9.8 ESE | 30.1 | 64°F | 25% |
9 PM Scattered ShowersUV: 0 |
70°F Feels 69°F |
83% | 10.7 ESE | 30.09 | 64.5°F | 27% |
10 PM Overcast UV: 0 |
70°F Feels 70°F |
84% | 10.3 ESE | 30.06 | 65.1°F | 26% |
11 PM Scattered ShowersUV: 0 |
71°F Feels 71°F |
84% | 10.3 ESE | 30.05 | 65.8°F | 27% |
Thu, Sep 3rd 2026
Light rain shower expected later. Temps range from 71° to 73°. Breezy wind, shifting from SE to S at 8 mph, while humidity ranges from 87% to 95%, and an avg barometric pressure of 29.99 inHg.
| Thu, Sep 3rd | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Light Rain ShowerUV: 0 |
71°F Feels 72°F |
87% | 8.5 SE | 30.02 | 66.7°F | 65% Rain est. 0.03in |
1 AM Light Rain ShowerUV: 0 |
71°F Feels 74°F |
90% | 6.5 SE | 30.02 | 67.7°F | 49% Rain est. 0.01in |
2 AM Light Rain ShowerUV: 0 |
71°F Feels 74°F |
92% | 6.5 ESE | 30.01 | 68.4°F | 67% Rain est. 0.03in |
3 AM Light Rain ShowerUV: 0 |
71°F Feels 74°F |
95% | 7.8 ESE | 29.98 | 69.1°F | 62% Rain est. 0.02in |
4 AM Light Rain ShowerUV: 0 |
72°F Feels 75°F |
95% | 7.8 SSE | 29.96 | 70°F | 47% Rain est. 0.01in |
5 AM Light Rain ShowerUV: 0 |
73°F Feels 76°F |
95% | 10.7 S | 29.94 | 71.5°F | 50% Rain est. 0.01in |
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|
70°F |
29.99 inHg.
Barometer 93%
Humidity SW 6mph Wind |
| Moderate rain | ||
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