Current weather conditions and 15 day weather forecast for Londonderry (CDP), New Hampshire, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 18 December 2025 Thursday -1.7 ° C / 28.9°F ![]() Clear |
Feels Like : -3.9 ° C / 25°F Humidity : % 82 Pressure : 1021 mb Wind Speed : 5.8 kmph / 3.6 miles from WNW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday | Sunny |
-4.2 ° C (24.4°F) |
3.5 ° C (38.3°F) |
0.5 ° C (32.9°F) |
% 80 | 0% | 0.3 | Sunrise:07:12 AM Sunset: 04:13 PM |
Moonrise:06:16 AM Moonset: 02:44 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Heavy rain |
0.5 ° C (32.9°F) |
11.6 ° C (52.9°F) |
6.9 ° C (44.4°F) |
% 89 | 87% | 0 | Sunrise:07:13 AM Sunset: 04:13 PM |
Moonrise:07:15 AM Moonset: 03:31 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Partly Cloudy |
-6.6 ° C (20.1°F) |
-1.5 ° C (29.3°F) |
-2.6 ° C (27.3°F) |
% 58 | 0% | 0.2 | Sunrise:07:13 AM Sunset: 04:14 PM |
Moonrise:08:06 AM Moonset: 04:27 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Patchy moderate snow |
-3.2 ° C (26.3°F) |
5.5 ° C (42°F) |
0.8 ° C (33.5°F) |
% 65 | 68% | 0.2 | Sunrise:07:14 AM Sunset: 04:14 PM |
Moonrise:08:50 AM Moonset: 05:30 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-7.1 ° C (19.3°F) |
-2.9 ° C (26.8°F) |
-4.6 ° C (23.7°F) |
% 56 | 0% | 0 | Sunrise:07:14 AM Sunset: 04:15 PM |
Moonrise:09:26 AM Moonset: 06:37 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
-8.7 ° C (16.4°F) |
-1.7 ° C (28.9°F) |
-5.4 ° C (22.3°F) |
% 42 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:15 PM |
Moonrise:09:55 AM Moonset: 07:46 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Light freezing rain |
-4.7 ° C (23.5°F) |
2.3 ° C (36.2°F) |
-2.1 ° C (28.3°F) |
% 73 | 87% | 1 | Sunrise:07:15 AM Sunset: 04:16 PM |
Moonrise:10:19 AM Moonset: 08:54 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Sunny |
-5.3 ° C (22.5°F) |
0.5 ° C (32.9°F) |
-3.1 ° C (26.5°F) |
% 65 | 0% | 2 | Sunrise:07:16 AM Sunset: 04:16 PM |
Moonrise:10:41 AM Moonset: 10:03 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Light freezing rain |
-7.7 ° C (18.2°F) |
-2.4 ° C (27.7°F) |
-4.8 ° C (23.4°F) |
% 52 | 80% | 1 | Sunrise:07:16 AM Sunset: 04:17 PM |
Moonrise:11:01 AM Moonset: 11:13 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Overcast |
-3.2 ° C (26.2°F) |
6.5 ° C (43.8°F) |
2.6 ° C (36.7°F) |
% 84 | 0% | 1 | Sunrise:07:16 AM Sunset: 04:18 PM |
Moonrise:11:21 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Light snow showers |
-8.5 ° C (16.6°F) |
-1.3 ° C (29.6°F) |
-3.3 ° C (26.1°F) |
% 60 | 81% | 1 | Sunrise:07:16 AM Sunset: 04:19 PM |
Moonrise:11:43 AM Moonset: 12:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-10 ° C (14.1°F) |
-4.2 ° C (24.4°F) |
-7.5 ° C (18.4°F) |
% 52 | 0% | 2 | Sunrise:07:17 AM Sunset: 04:19 PM |
Moonrise:12:07 PM Moonset: 01:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Moderate snow |
-7.6 ° C (18.3°F) |
-2.3 ° C (27.8°F) |
-4.6 ° C (23.7°F) |
% 52 | 61% | 1 | Sunrise:07:17 AM Sunset: 04:20 PM |
Moonrise:12:38 PM Moonset: 02:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Fog |
-2.3 ° C (27.9°F) |
0.8 ° C (33.4°F) |
-0.6 ° C (31°F) |
% 98 | 77% | 1 | Sunrise:07:17 AM Sunset: 04:21 PM |
Moonrise:01:19 PM Moonset: 04:21 AM Moon Phase ( Waxing Gibbous ) |
|