Old Mystic Weather Forecast 15 Days, Weather in Old Mystic Today
Current weather conditions and 15 day weather forecast for Old Mystic, 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 Mystic
| 19 March 2026 Thursday 3.3 ° C / 37.9°F  Overcast |
Feels Like : -0.2 ° C / 31.7°F Humidity : % 67 Pressure : 1024 mb Wind Speed : 14 kmph / 8.7 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Old Mystic, CT, USA
Weather Forecast for next 15 Days for Old Mystic 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 Mystic, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 March 2026 Thursday |  Sunny |
-5 ° C (23°F) |
6.3 ° C (43.3°F) |
0.1 ° C (32.2°F) |
% 76 | 0% | 0.9 | Sunrise:06:53 AM Sunset: 06:59 PM |
Moonrise:06:59 AM Moonset: 08:01 PM Moon Phase ( New Moon ) |
|
| 20 March 2026 Friday |  Patchy rain nearby |
0.8 ° C (33.4°F) |
8.7 ° C (47.7°F) |
4.2 ° C (39.6°F) |
% 79 | 78% | 0.9 | Sunrise:06:51 AM Sunset: 07:00 PM |
Moonrise:07:23 AM Moonset: 09:17 PM Moon Phase ( Waxing Crescent ) |
|
| 21 March 2026 Saturday |  Heavy rain |
4 ° C (39.2°F) |
13 ° C (55.4°F) |
7.6 ° C (45.7°F) |
% 76 | 83% | 0.4 | Sunrise:06:49 AM Sunset: 07:01 PM |
Moonrise:07:50 AM Moonset: 10:35 PM Moon Phase ( Waxing Crescent ) |
|
| 22 March 2026 Sunday | Patchy rain nearby |
2.1 ° C (35.8°F) |
8.1 ° C (46.6°F) |
4.5 ° C (40.1°F) |
% 79 | 71% | 0.9 | Sunrise:06:48 AM Sunset: 07:02 PM |
Moonrise:08:21 AM Moonset: 11:55 PM Moon Phase ( Waxing Crescent ) |
|
| 23 March 2026 Monday | Patchy rain nearby |
-0.4 ° C (31.2°F) |
15.2 ° C (59.4°F) |
7.4 ° C (45.4°F) |
% 80 | 84% | 0 | Sunrise:06:46 AM Sunset: 07:03 PM |
Moonrise:09:02 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 24 March 2026 Tuesday | Sunny |
-2 ° C (28.5°F) |
6.1 ° C (43°F) |
0.8 ° C (33.5°F) |
% 46 | 0% | 2 | Sunrise:06:44 AM Sunset: 07:05 PM |
Moonrise:09:53 AM Moonset: 01:11 AM Moon Phase ( Waxing Crescent ) |
|
| 25 March 2026 Wednesday | Overcast |
-0.8 ° C (30.5°F) |
7.1 ° C (44.7°F) |
3.5 ° C (38.4°F) |
% 62 | 0% | 1 | Sunrise:06:42 AM Sunset: 07:06 PM |
Moonrise:10:55 AM Moonset: 02:18 AM Moon Phase ( First Quarter ) |
|
| 26 March 2026 Thursday | Patchy rain nearby |
-0 ° C (32°F) |
7.1 ° C (44.7°F) |
4.8 ° C (40.6°F) |
% 82 | 84% | 1 | Sunrise:06:41 AM Sunset: 07:07 PM |
Moonrise:12:05 PM Moonset: 03:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday | Patchy rain nearby |
-3 ° C (26.7°F) |
9.2 ° C (48.5°F) |
5.3 ° C (41.6°F) |
% 87 | 88% | 2 | Sunrise:06:39 AM Sunset: 07:08 PM |
Moonrise:01:20 PM Moonset: 03:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday |  Patchy moderate snow |
-4.7 ° C (23.5°F) |
5.5 ° C (42°F) |
0.9 ° C (33.6°F) |
% 53 | 74% | 1 | Sunrise:06:37 AM Sunset: 07:09 PM |
Moonrise:02:34 PM Moonset: 04:33 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday |  Partly Cloudy |
1.2 ° C (34.2°F) |
10.2 ° C (50.4°F) |
5.4 ° C (41.7°F) |
% 62 | 0% | 3 | Sunrise:06:36 AM Sunset: 07:10 PM |
Moonrise:03:46 PM Moonset: 05:01 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Overcast |
1.7 ° C (35.1°F) |
12.5 ° C (54.5°F) |
7.3 ° C (45.1°F) |
% 69 | 0% | 2 | Sunrise:06:34 AM Sunset: 07:11 PM |
Moonrise:04:54 PM Moonset: 05:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Sunny |
6.6 ° C (43.9°F) |
16.8 ° C (62.2°F) |
11.5 ° C (52.7°F) |
% 77 | 0% | 4 | Sunrise:06:32 AM Sunset: 07:12 PM |
Moonrise:06:01 PM Moonset: 05:46 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Patchy rain nearby |
5.1 ° C (41.1°F) |
13.8 ° C (56.9°F) |
10.6 ° C (51.1°F) |
% 86 | 85% | 3 | Sunrise:06:31 AM Sunset: 07:13 PM |
Moonrise:07:06 PM Moonset: 06:06 AM Moon Phase ( Waxing Gibbous ) |
|
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