Current weather conditions and 15 day weather forecast for South Londonderry, Pennsylvania, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 21 December 2025 Sunday -1.1 ° C / 30°F ![]() Partly cloudy |
Feels Like : -5.4 ° C / 22.4°F Humidity : % 75 Pressure : 1016 mb Wind Speed : 13 kmph / 8.1 miles from S ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 December 2025 Saturday | Sunny |
-2.6 ° C (27.3°F) |
6.1 ° C (43°F) |
0 ° C (32°F) |
% 66 | 0% | 0.3 | Sunrise:07:26 AM Sunset: 04:43 PM |
Moonrise:08:16 AM Moonset: 05:00 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
-4.4 ° C (24°F) |
5.9 ° C (42.6°F) |
0.6 ° C (33.1°F) |
% 64 | 0% | 0.3 | Sunrise:07:26 AM Sunset: 04:44 PM |
Moonrise:09:01 AM Moonset: 06:02 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-5.9 ° C (21.4°F) |
0.4 ° C (32.7°F) |
-2.5 ° C (27.5°F) |
% 60 | 0% | 0.3 | Sunrise:07:27 AM Sunset: 04:44 PM |
Moonrise:09:38 AM Moonset: 07:07 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Overcast |
-1.2 ° C (29.8°F) |
3 ° C (37.4°F) |
1.3 ° C (34.3°F) |
% 73 | 0% | 0 | Sunrise:07:27 AM Sunset: 04:45 PM |
Moonrise:10:09 AM Moonset: 08:14 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Cloudy |
0.2 ° C (32.3°F) |
5.5 ° C (41.8°F) |
2.8 ° C (37°F) |
% 74 | 0% | 0.3 | Sunrise:07:28 AM Sunset: 04:45 PM |
Moonrise:10:35 AM Moonset: 09:21 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Light drizzle |
-0.6 ° C (30.9°F) |
3.1 ° C (37.5°F) |
1 ° C (33.7°F) |
% 92 | 80% | 0 | Sunrise:07:28 AM Sunset: 04:46 PM |
Moonrise:10:59 AM Moonset: 10:27 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Moderate rain |
1.9 ° C (35.3°F) |
14.6 ° C (58.3°F) |
6.8 ° C (44.2°F) |
% 89 | 85% | 2 | Sunrise:07:28 AM Sunset: 04:47 PM |
Moonrise:11:21 AM Moonset: 11:35 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-5.2 ° C (22.6°F) |
-0.4 ° C (31.3°F) |
-2.9 ° C (26.8°F) |
% 57 | 0% | 2 | Sunrise:07:29 AM Sunset: 04:47 PM |
Moonrise:11:44 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-6.5 ° C (20.4°F) |
1.2 ° C (34.1°F) |
-3.1 ° C (26.5°F) |
% 48 | 0% | 2 | Sunrise:07:29 AM Sunset: 04:48 PM |
Moonrise:12:07 PM Moonset: 12:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy moderate snow |
-3.8 ° C (25.1°F) |
5 ° C (41°F) |
0.3 ° C (32.5°F) |
% 67 | 81% | 1 | Sunrise:07:29 AM Sunset: 04:49 PM |
Moonrise:12:34 PM Moonset: 01:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Patchy rain nearby |
2.4 ° C (36.3°F) |
9.4 ° C (48.9°F) |
5.7 ° C (42.3°F) |
% 87 | 81% | 2 | Sunrise:07:29 AM Sunset: 04:50 PM |
Moonrise:01:08 PM Moonset: 03:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Partly Cloudy |
-1.6 ° C (29.2°F) |
3.8 ° C (38.8°F) |
1.3 ° C (34.3°F) |
% 81 | 0% | 2 | Sunrise:07:30 AM Sunset: 04:50 PM |
Moonrise:01:51 PM Moonset: 04:33 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Overcast |
1.6 ° C (35°F) |
5.2 ° C (41.3°F) |
3.3 ° C (37.9°F) |
% 85 | 0% | 1 | Sunrise:07:30 AM Sunset: 04:51 PM |
Moonrise:02:45 PM Moonset: 05:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Patchy rain nearby |
3.8 ° C (38.8°F) |
6.4 ° C (43.4°F) |
4.8 ° C (40.7°F) |
% 91 | 89% | 1 | Sunrise:07:30 AM Sunset: 04:52 PM |
Moonrise:03:52 PM Moonset: 07:02 AM Moon Phase ( Waxing Gibbous ) |
|