Old Greenwich Weather Forecast 15 Days, Weather in Old Greenwich Today
Current weather conditions and 15 day weather forecast for Old 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 Old Greenwich
| 03 November 2026 Tuesday 18.1 ° C / 64.6°F  Cloudy |
Feels Like : 15.4 ° C / 59.7°F Humidity : % 53 Pressure : 1023 mb Wind Speed : 12.2 kmph / 7.6 miles from SSW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 81 |
15 day weather forecast for Old Greenwich, CT, USA
Weather Forecast for next 15 Days for Old 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 Old 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 03 November 2026 Tuesday |  Overcast |
11.1 ° C (52.1°F) |
18.3 ° C (65°F) |
15.2 ° C (59.4°F) |
% 62 | 9% | 2.8 | Sunrise:06:27 AM Sunset: 04:47 PM |
Moonrise:Does not rise today Moonset: 01:51 PM Moon Phase ( Waning Crescent ) |
|
| 04 November 2026 Wednesday |  Sunny |
12.9 ° C (55.3°F) |
19.8 ° C (67.6°F) |
16.4 ° C (61.5°F) |
% 74 | 8% | 3.1 | Sunrise:06:28 AM Sunset: 04:46 PM |
Moonrise:01:09 AM Moonset: 02:16 PM Moon Phase ( Waning Crescent ) |
|
| 05 November 2026 Thursday | Overcast |
15.4 ° C (59.8°F) |
19.6 ° C (67.2°F) |
16.9 ° C (62.4°F) |
% 91 | 73% | 1.1 | Sunrise:06:29 AM Sunset: 04:45 PM |
Moonrise:02:22 AM Moonset: 02:39 PM Moon Phase ( Waning Crescent ) |
|
| 06 November 2026 Friday |  Light rain shower |
15 ° C (59.1°F) |
17.3 ° C (63.1°F) |
16.3 ° C (61.3°F) |
% 97 | 94% | 0.4 | Sunrise:06:31 AM Sunset: 04:44 PM |
Moonrise:03:35 AM Moonset: 03:03 PM Moon Phase ( Waning Crescent ) |
|
| 07 November 2026 Saturday | Sunny |
9.5 ° C (49.1°F) |
17.5 ° C (63.4°F) |
13.4 ° C (56.1°F) |
% 67 | 61% | 2.5 | Sunrise:06:32 AM Sunset: 04:43 PM |
Moonrise:04:47 AM Moonset: 03:29 PM Moon Phase ( New Moon ) |
|
| 08 November 2026 Sunday | Sunny |
8.6 ° C (47.4°F) |
14.6 ° C (58.3°F) |
11.2 ° C (52.2°F) |
% 66 | 9% | 4 | Sunrise:06:33 AM Sunset: 04:42 PM |
Moonrise:06:01 AM Moonset: 03:59 PM Moon Phase ( New Moon ) |
|
| 09 November 2026 Monday | Sunny |
8.2 ° C (46.8°F) |
12.3 ° C (54.2°F) |
10 ° C (50°F) |
% 59 | 5% | 4 | Sunrise:06:34 AM Sunset: 04:41 PM |
Moonrise:07:13 AM Moonset: 04:35 PM Moon Phase ( New Moon ) |
|
| 10 November 2026 Tuesday |  Partly Cloudy |
7.7 ° C (45.9°F) |
15.9 ° C (60.6°F) |
11.8 ° C (53.2°F) |
% 65 | 8% | 5 | Sunrise:06:35 AM Sunset: 04:40 PM |
Moonrise:08:23 AM Moonset: 05:17 PM Moon Phase ( New Moon ) |
|
| 11 November 2026 Wednesday | Sunny |
7.5 ° C (45.5°F) |
11.9 ° C (53.3°F) |
10.1 ° C (50.2°F) |
% 61 | 7% | 4 | Sunrise:06:37 AM Sunset: 04:39 PM |
Moonrise:09:27 AM Moonset: 06:08 PM Moon Phase ( Waxing Crescent ) |
|
| 12 November 2026 Thursday | Cloudy |
4.1 ° C (39.4°F) |
8 ° C (46.4°F) |
6.2 ° C (43.2°F) |
% 58 | 8% | 3 | Sunrise:06:38 AM Sunset: 04:38 PM |
Moonrise:10:22 AM Moonset: 07:05 PM Moon Phase ( Waxing Crescent ) |
|
| 13 November 2026 Friday | Partly Cloudy |
2.3 ° C (36.2°F) |
7.8 ° C (46.1°F) |
5.2 ° C (41.3°F) |
% 59 | 5% | 3 | Sunrise:06:39 AM Sunset: 04:37 PM |
Moonrise:11:07 AM Moonset: 08:07 PM Moon Phase ( Waxing Crescent ) |
|
| 14 November 2026 Saturday | Sunny |
2.5 ° C (36.6°F) |
8.8 ° C (47.9°F) |
5.5 ° C (41.8°F) |
% 65 | 6% | 3 | Sunrise:06:40 AM Sunset: 04:36 PM |
Moonrise:11:43 AM Moonset: 09:10 PM Moon Phase ( First Quarter ) |
|
| 15 November 2026 Sunday | Partly Cloudy |
4.5 ° C (40.1°F) |
11.4 ° C (52.5°F) |
8 ° C (46.5°F) |
% 71 | 17% | 4 | Sunrise:06:41 AM Sunset: 04:35 PM |
Moonrise:12:13 PM Moonset: 10:13 PM Moon Phase ( First Quarter ) |
|
| 16 November 2026 Monday | Light rain shower |
9.5 ° C (49°F) |
12 ° C (53.7°F) |
10.6 ° C (51.1°F) |
% 79 | 82% | 3 | Sunrise:06:43 AM Sunset: 04:34 PM |
Moonrise:12:38 PM Moonset: 11:15 PM Moon Phase ( First Quarter ) |
|
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