Greenwich Weather Forecast 15 Days, Weather in Greenwich Today
Current weather conditions and 15 day weather forecast for Greenwich, Connecticut, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Greenwich
| 28 March 2026 Saturday 3.9 ° C / 39°F  Clear |
Feels Like : 1.1 ° C / 34°F Humidity : % 39 Pressure : 1021 mb Wind Speed : 11.2 kmph / 6.9 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Greenwich, CT, USA
Weather Forecast for next 15 Days for Greenwich including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Greenwich, Connecticut state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 27 March 2026 Friday |  Patchy rain nearby |
2 ° C (35.6°F) |
12.7 ° C (54.9°F) |
10.2 ° C (50.4°F) |
% 66 | 87% | 1.1 | Sunrise:06:46 AM Sunset: 07:14 PM |
Moonrise:01:28 PM Moonset: 04:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Sunny |
-0.5 ° C (31.1°F) |
6 ° C (42.8°F) |
2 ° C (35.6°F) |
% 51 | 0% | 1 | Sunrise:06:44 AM Sunset: 07:15 PM |
Moonrise:02:42 PM Moonset: 04:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday | Sunny |
-0.4 ° C (31.3°F) |
10.8 ° C (51.4°F) |
4.8 ° C (40.6°F) |
% 58 | 0% | 1.1 | Sunrise:06:42 AM Sunset: 07:16 PM |
Moonrise:03:53 PM Moonset: 05:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday |  Overcast |
4.9 ° C (40.8°F) |
10.5 ° C (50.9°F) |
7.3 ° C (45.2°F) |
% 80 | 0% | 0.5 | Sunrise:06:41 AM Sunset: 07:18 PM |
Moonrise:05:01 PM Moonset: 05:31 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Patchy rain nearby |
6.8 ° C (44.2°F) |
20.3 ° C (68.5°F) |
13.5 ° C (56.2°F) |
% 79 | 79% | 1.1 | Sunrise:06:39 AM Sunset: 07:19 PM |
Moonrise:06:08 PM Moonset: 05:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday |  Moderate rain |
7.6 ° C (45.7°F) |
22.2 ° C (72°F) |
16.1 ° C (60.9°F) |
% 73 | 74% | 0.1 | Sunrise:06:37 AM Sunset: 07:20 PM |
Moonrise:07:13 PM Moonset: 06:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday |  Partly Cloudy |
5.2 ° C (41.3°F) |
9.2 ° C (48.6°F) |
7.2 ° C (45°F) |
% 63 | 0% | 3 | Sunrise:06:36 AM Sunset: 07:21 PM |
Moonrise:08:17 PM Moonset: 06:33 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Patchy rain nearby |
2.2 ° C (36°F) |
5.8 ° C (42.4°F) |
4.4 ° C (39.9°F) |
% 73 | 88% | 1 | Sunrise:06:34 AM Sunset: 07:22 PM |
Moonrise:09:23 PM Moonset: 06:56 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Patchy rain nearby |
2.5 ° C (36.4°F) |
7.7 ° C (45.9°F) |
6 ° C (42.9°F) |
% 94 | 84% | 2 | Sunrise:06:32 AM Sunset: 07:23 PM |
Moonrise:10:27 PM Moonset: 07:21 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Sunny |
3.4 ° C (38.1°F) |
8.3 ° C (46.9°F) |
5.7 ° C (42.2°F) |
% 52 | 0% | 3 | Sunrise:06:31 AM Sunset: 07:24 PM |
Moonrise:11:31 PM Moonset: 07:51 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Patchy rain nearby |
2.1 ° C (35.7°F) |
5.9 ° C (42.5°F) |
3.6 ° C (38.5°F) |
% 51 | 84% | 1 | Sunrise:06:29 AM Sunset: 07:25 PM |
Moonrise:No moonrise Moonset: 08:26 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Patchy rain nearby |
1 ° C (33.9°F) |
4.6 ° C (40.2°F) |
2.5 ° C (36.5°F) |
% 86 | 89% | 1 | Sunrise:06:28 AM Sunset: 07:26 PM |
Moonrise:12:31 AM Moonset: 09:09 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Partly Cloudy |
0.1 ° C (32.3°F) |
9 ° C (48.3°F) |
4.6 ° C (40.4°F) |
% 70 | 0% | 2 | Sunrise:06:26 AM Sunset: 07:27 PM |
Moonrise:01:27 AM Moonset: 09:59 AM Moon Phase ( Waning Gibbous ) |
|
| 09 April 2026 Thursday | Partly Cloudy |
3.3 ° C (38°F) |
14.2 ° C (57.6°F) |
8.8 ° C (47.8°F) |
% 62 | 0% | 3 | Sunrise:06:24 AM Sunset: 07:28 PM |
Moonrise:02:14 AM Moonset: 10:57 AM Moon Phase ( Waning Gibbous ) |
|
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