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
| 02 February 2026 Monday 0.4 ° C / 32.7°F  Sunny |
Feels Like : -2.4 ° C / 27.8°F Humidity : % 36 Pressure : 1015 mb Wind Speed : 8.3 kmph / 5.1 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 02 February 2026 Monday | Sunny |
-13.9 ° C (7°F) |
1.9 ° C (35.4°F) |
-7.7 ° C (18.2°F) |
% 59 | 0% | 0.3 | Sunrise:07:04 AM Sunset: 05:13 PM |
Moonrise:06:16 PM Moonset: 07:38 AM Moon Phase ( Waning Gibbous ) |
|
| 03 February 2026 Tuesday |  Partly Cloudy |
-14.4 ° C (6.1°F) |
-1.1 ° C (30°F) |
-6.8 ° C (19.8°F) |
% 72 | 0% | 0.4 | Sunrise:07:03 AM Sunset: 05:14 PM |
Moonrise:07:27 PM Moonset: 08:03 AM Moon Phase ( Waning Gibbous ) |
|
| 04 February 2026 Wednesday | Sunny |
-6.6 ° C (20.1°F) |
-0.2 ° C (31.6°F) |
-3.1 ° C (26.5°F) |
% 69 | 0% | 0.4 | Sunrise:07:02 AM Sunset: 05:15 PM |
Moonrise:08:35 PM Moonset: 08:25 AM Moon Phase ( Waning Gibbous ) |
|
| 05 February 2026 Thursday | Partly Cloudy |
-12.5 ° C (9.5°F) |
-2.2 ° C (28°F) |
-6.2 ° C (20.9°F) |
% 71 | 0% | 0.4 | Sunrise:07:01 AM Sunset: 05:16 PM |
Moonrise:09:40 PM Moonset: 08:46 AM Moon Phase ( Waning Gibbous ) |
|
| 06 February 2026 Friday |  Moderate or heavy snow showers |
-16.7 ° C (1.9°F) |
-3.3 ° C (26°F) |
-8.6 ° C (16.4°F) |
% 90 | 79% | 0.4 | Sunrise:07:00 AM Sunset: 05:18 PM |
Moonrise:10:44 PM Moonset: 09:06 AM Moon Phase ( Waning Gibbous ) |
|
| 07 February 2026 Saturday | Sunny |
-15 ° C (5°F) |
-10.9 ° C (12.3°F) |
-10.6 ° C (12.9°F) |
% 76 | 0% | 0 | Sunrise:06:58 AM Sunset: 05:19 PM |
Moonrise:11:49 PM Moonset: 09:28 AM Moon Phase ( Waning Gibbous ) |
|
| 08 February 2026 Sunday | Partly Cloudy |
-13 ° C (8.5°F) |
-9.7 ° C (14.6°F) |
-11.5 ° C (11.3°F) |
% 73 | 0% | 2 | Sunrise:06:57 AM Sunset: 05:20 PM |
Moonrise:No moonrise Moonset: 09:52 AM Moon Phase ( Waning Gibbous ) |
|
| 09 February 2026 Monday | Sunny |
-13.8 ° C (7.2°F) |
-8.4 ° C (16.8°F) |
-11.2 ° C (11.8°F) |
% 75 | 0% | 2 | Sunrise:06:56 AM Sunset: 05:21 PM |
Moonrise:12:52 AM Moonset: 10:20 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday | Partly Cloudy |
-14.6 ° C (5.6°F) |
-3.5 ° C (25.6°F) |
-9.7 ° C (14.6°F) |
% 80 | 0% | 2 | Sunrise:06:55 AM Sunset: 05:23 PM |
Moonrise:01:56 AM Moonset: 10:54 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday | Sunny |
-10.6 ° C (13°F) |
0.3 ° C (32.5°F) |
-5.5 ° C (22.1°F) |
% 82 | 0% | 2 | Sunrise:06:54 AM Sunset: 05:24 PM |
Moonrise:02:57 AM Moonset: 11:35 AM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday | Sunny |
-8 ° C (17.7°F) |
0.4 ° C (32.7°F) |
-3.6 ° C (25.5°F) |
% 88 | 0% | 2 | Sunrise:06:52 AM Sunset: 05:25 PM |
Moonrise:03:53 AM Moonset: 12:24 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday |  Moderate rain |
-1.2 ° C (29.9°F) |
4 ° C (39.2°F) |
1.9 ° C (35.4°F) |
% 97 | 81% | 1 | Sunrise:06:51 AM Sunset: 05:26 PM |
Moonrise:04:43 AM Moonset: 01:23 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Moderate rain |
0.8 ° C (33.5°F) |
2.8 ° C (37.1°F) |
1.8 ° C (35.2°F) |
% 99 | 83% | 1 | Sunrise:06:50 AM Sunset: 05:28 PM |
Moonrise:05:26 AM Moonset: 02:26 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday |  Patchy rain nearby |
0.9 ° C (33.5°F) |
4.8 ° C (40.7°F) |
2.8 ° C (37°F) |
% 81 | 86% | 1 | Sunrise:06:48 AM Sunset: 05:29 PM |
Moonrise:06:01 AM Moonset: 03:35 PM Moon Phase ( Waning Crescent ) |
|
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