South Lancaster Weather Forecast 15 Days, Weather in South Lancaster Today
Current weather conditions and 15 day weather forecast for South Lancaster, Massachusetts, 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 South Lancaster
| 19 December 2025 Friday 2.2 ° C / 36°F  Overcast |
Feels Like : -0.6 ° C / 30.9°F Humidity : % 89 Pressure : 1020 mb Wind Speed : 9.7 kmph / 6 miles from S  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for South Lancaster, MA, USA
Weather Forecast for next 15 Days for South Lancaster 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 South Lancaster, Massachusetts 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday |  Sunny |
-0.2 ° C (31.6°F) |
9.7 ° C (49.5°F) |
3.5 ° C (38.4°F) |
% 71 | 0% | 0.3 | Sunrise:07:11 AM Sunset: 04:16 PM |
Moonrise:06:15 AM Moonset: 02:48 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Moderate rain |
-2.2 ° C (28°F) |
12.8 ° C (55°F) |
8 ° C (46.4°F) |
% 86 | 87% | 0 | Sunrise:07:12 AM Sunset: 04:16 PM |
Moonrise:07:13 AM Moonset: 03:35 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
-5.6 ° C (21.9°F) |
2.3 ° C (36.1°F) |
-1.7 ° C (28.9°F) |
% 58 | 0% | 0.3 | Sunrise:07:13 AM Sunset: 04:16 PM |
Moonrise:08:05 AM Moonset: 04:30 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Partly Cloudy |
-3.3 ° C (26.1°F) |
7.1 ° C (44.8°F) |
1.5 ° C (34.7°F) |
% 71 | 0% | 0.3 | Sunrise:07:13 AM Sunset: 04:17 PM |
Moonrise:08:49 AM Moonset: 05:33 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-6.1 ° C (21°F) |
-2.3 ° C (27.8°F) |
-4.5 ° C (23.9°F) |
% 49 | 0% | 0.2 | Sunrise:07:14 AM Sunset: 04:17 PM |
Moonrise:09:25 AM Moonset: 06:39 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Patchy moderate snow |
-6.1 ° C (21°F) |
-0.1 ° C (31.8°F) |
-3.5 ° C (25.7°F) |
% 60 | 62% | 0 | Sunrise:07:14 AM Sunset: 04:18 PM |
Moonrise:09:54 AM Moonset: 07:48 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Sunny |
-6.5 ° C (20.4°F) |
-2.7 ° C (27.1°F) |
-3.3 ° C (26.1°F) |
% 50 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:19 PM |
Moonrise:10:19 AM Moonset: 08:56 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Partly Cloudy |
-7 ° C (19.3°F) |
1.9 ° C (35.4°F) |
-2.2 ° C (28°F) |
% 52 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:19 PM |
Moonrise:10:41 AM Moonset: 10:05 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Patchy rain nearby |
3.9 ° C (39°F) |
11.8 ° C (53.2°F) |
6.7 ° C (44°F) |
% 90 | 84% | 2 | Sunrise:07:15 AM Sunset: 04:20 PM |
Moonrise:11:02 AM Moonset: 11:14 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
-0.5 ° C (31.1°F) |
4.2 ° C (39.5°F) |
1.6 ° C (34.9°F) |
% 81 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:21 PM |
Moonrise:11:22 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
-0.5 ° C (31.1°F) |
4.2 ° C (39.5°F) |
1.4 ° C (34.5°F) |
% 87 | 84% | 1 | Sunrise:07:16 AM Sunset: 04:21 PM |
Moonrise:11:44 AM Moonset: 12:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
-2.8 ° C (27°F) |
6.1 ° C (43°F) |
2.1 ° C (35.8°F) |
% 87 | 77% | 1 | Sunrise:07:16 AM Sunset: 04:22 PM |
Moonrise:12:10 PM Moonset: 01:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-3.6 ° C (25.5°F) |
1.6 ° C (35°F) |
-2 ° C (28.4°F) |
% 62 | 0% | 2 | Sunrise:07:16 AM Sunset: 04:23 PM |
Moonrise:12:41 PM Moonset: 02:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-4 ° C (24.8°F) |
4.5 ° C (40.1°F) |
-0.8 ° C (30.6°F) |
% 56 | 0% | 2 | Sunrise:07:16 AM Sunset: 04:24 PM |
Moonrise:01:22 PM Moonset: 04:20 AM Moon Phase ( Waxing Gibbous ) |
|
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