Old Lyme Weather Forecast 15 Days, Weather in Old Lyme Today
Current weather conditions and 15 day weather forecast for Old Lyme, 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 Lyme
| 23 September 2026 Wednesday 15 ° C / 59°F  Overcast |
Feels Like : 8.8 ° C / 47.8°F Humidity : % 68 Pressure : 1028 mb Wind Speed : 31 kmph / 19.2 miles from NE  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Old Lyme, CT, USA
Weather Forecast for next 15 Days for Old Lyme 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 Lyme, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 September 2026 Tuesday | Overcast |
13 ° C (55.4°F) |
18.5 ° C (65.3°F) |
15.6 ° C (60.1°F) |
% 72 | 20% | 2.8 | Sunrise:06:36 AM Sunset: 06:47 PM |
Moonrise:05:06 PM Moonset: 02:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Overcast |
12.1 ° C (53.8°F) |
18.1 ° C (64.6°F) |
14.6 ° C (58.3°F) |
% 68 | 14% | 4.7 | Sunrise:06:37 AM Sunset: 06:45 PM |
Moonrise:05:28 PM Moonset: 03:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday |  Sunny |
10.7 ° C (51.2°F) |
18.5 ° C (65.3°F) |
14 ° C (57.2°F) |
% 71 | 11% | 5.2 | Sunrise:06:38 AM Sunset: 06:43 PM |
Moonrise:05:49 PM Moonset: 04:34 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
12.3 ° C (54.2°F) |
18 ° C (64.4°F) |
15 ° C (59°F) |
% 60 | 38% | 4.3 | Sunrise:06:39 AM Sunset: 06:41 PM |
Moonrise:06:08 PM Moonset: 05:36 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday |  Light rain |
13.2 ° C (55.7°F) |
15.5 ° C (59.9°F) |
14 ° C (57.3°F) |
% 81 | 88% | 0.9 | Sunrise:06:40 AM Sunset: 06:40 PM |
Moonrise:06:28 PM Moonset: 06:38 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday |  Light rain shower |
13.4 ° C (56°F) |
15.6 ° C (60.2°F) |
14.7 ° C (58.5°F) |
% 84 | 89% | 4 | Sunrise:06:41 AM Sunset: 06:38 PM |
Moonrise:06:49 PM Moonset: 07:42 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
14.7 ° C (58.5°F) |
18.2 ° C (64.7°F) |
16 ° C (60.8°F) |
% 78 | 25% | 4 | Sunrise:06:43 AM Sunset: 06:36 PM |
Moonrise:07:14 PM Moonset: 08:48 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Sunny |
14.4 ° C (57.9°F) |
20 ° C (68.1°F) |
17.3 ° C (63.1°F) |
% 74 | 8% | 6 | Sunrise:06:44 AM Sunset: 06:35 PM |
Moonrise:07:43 PM Moonset: 09:57 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Overcast |
18 ° C (64.4°F) |
20.7 ° C (69.3°F) |
19.3 ° C (66.7°F) |
% 81 | 20% | 5 | Sunrise:06:45 AM Sunset: 06:33 PM |
Moonrise:08:20 PM Moonset: 11:08 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Overcast |
19.2 ° C (66.6°F) |
23.4 ° C (74.2°F) |
21 ° C (69.7°F) |
% 82 | 23% | 6 | Sunrise:06:46 AM Sunset: 06:31 PM |
Moonrise:09:06 PM Moonset: 12:18 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Light rain shower |
16.5 ° C (61.8°F) |
21 ° C (69.8°F) |
18.3 ° C (65°F) |
% 86 | 83% | 4 | Sunrise:06:47 AM Sunset: 06:30 PM |
Moonrise:10:03 PM Moonset: 01:23 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Overcast |
15.9 ° C (60.7°F) |
17.1 ° C (62.8°F) |
16.4 ° C (61.6°F) |
% 79 | 50% | 4 | Sunrise:06:48 AM Sunset: 06:28 PM |
Moonrise:11:11 PM Moonset: 02:20 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday |  Patchy rain nearby |
17.3 ° C (63.1°F) |
20.5 ° C (68.9°F) |
19.2 ° C (66.6°F) |
% 88 | 39% | 5 | Sunrise:06:49 AM Sunset: 06:26 PM |
Moonrise:Does not rise today Moonset: 03:07 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Light rain shower |
19.2 ° C (66.5°F) |
20.6 ° C (69.2°F) |
19.9 ° C (67.8°F) |
% 96 | 93% | 5 | Sunrise:06:50 AM Sunset: 06:25 PM |
Moonrise:12:27 AM Moonset: 03:45 PM Moon Phase ( Waning Crescent ) |
|
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