Current weather conditions and 15 day weather forecast for Alton (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.
| 05 December 2025 Friday -12.8 ° C / 9°F ![]() Sunny |
Feels Like : -16.6 ° C / 2.1°F Humidity : % 55 Pressure : 1026 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday | Sunny |
-14.8 ° C (5.4°F) |
-4.4 ° C (24.1°F) |
-10 ° C (14.1°F) |
% 52 | 0% | 0.2 | Sunrise:07:03 AM Sunset: 04:08 PM |
Moonrise:04:30 PM Moonset: 08:11 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Overcast |
-9.5 ° C (14.9°F) |
-0.7 ° C (30.7°F) |
-5 ° C (22.9°F) |
% 57 | 0% | 0.2 | Sunrise:07:04 AM Sunset: 04:08 PM |
Moonrise:05:43 PM Moonset: 09:17 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday | Cloudy |
-5.1 ° C (22.8°F) |
-2.8 ° C (27.1°F) |
-3.6 ° C (25.6°F) |
% 64 | 0% | 0.2 | Sunrise:07:05 AM Sunset: 04:08 PM |
Moonrise:07:02 PM Moonset: 10:06 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday | Moderate or heavy snow showers |
-15.9 ° C (3.4°F) |
-5.9 ° C (21.4°F) |
-8.2 ° C (17.2°F) |
% 76 | 64% | 0.1 | Sunrise:07:06 AM Sunset: 04:08 PM |
Moonrise:08:21 PM Moonset: 10:43 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday | Overcast |
-17.9 ° C (-0.2°F) |
-3.8 ° C (25.2°F) |
-11.8 ° C (10.7°F) |
% 81 | 0% | 0 | Sunrise:07:07 AM Sunset: 04:08 PM |
Moonrise:09:36 PM Moonset: 11:12 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday | Mist |
-5.6 ° C (21.8°F) |
1.2 ° C (34.1°F) |
-1.9 ° C (28.6°F) |
% 91 | 86% | 1 | Sunrise:07:08 AM Sunset: 04:08 PM |
Moonrise:10:46 PM Moonset: 11:34 AM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday | Patchy rain nearby |
-1.3 ° C (29.7°F) |
4.1 ° C (39.3°F) |
2.2 ° C (35.9°F) |
% 86 | 74% | 1 | Sunrise:07:09 AM Sunset: 04:08 PM |
Moonrise:11:53 PM Moonset: 11:53 AM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Sunny |
-4.6 ° C (23.6°F) |
0.5 ° C (32.9°F) |
-2.4 ° C (27.7°F) |
% 78 | 0% | 2 | Sunrise:07:09 AM Sunset: 04:08 PM |
Moonrise:No moonrise Moonset: 12:11 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Light freezing rain |
-5.8 ° C (21.6°F) |
-1.3 ° C (29.7°F) |
-4 ° C (24.8°F) |
% 67 | 63% | 1 | Sunrise:07:10 AM Sunset: 04:08 PM |
Moonrise:12:58 AM Moonset: 12:28 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Sunny |
-6.1 ° C (20.9°F) |
-0.8 ° C (30.6°F) |
-4.1 ° C (24.6°F) |
% 63 | 0% | 2 | Sunrise:07:11 AM Sunset: 04:09 PM |
Moonrise:02:01 AM Moonset: 12:47 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Sunny |
-7.3 ° C (18.9°F) |
-0 ° C (31.9°F) |
-4.3 ° C (24.3°F) |
% 76 | 0% | 2 | Sunrise:07:12 AM Sunset: 04:09 PM |
Moonrise:03:05 AM Moonset: 01:08 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Moderate snow |
-3.9 ° C (25°F) |
1.1 ° C (33.9°F) |
-1.2 ° C (29.9°F) |
% 93 | 68% | 1 | Sunrise:07:12 AM Sunset: 04:09 PM |
Moonrise:04:10 AM Moonset: 01:33 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Fog |
-0.5 ° C (31.2°F) |
3.1 ° C (37.5°F) |
0.8 ° C (33.5°F) |
% 99 | 87% | 1 | Sunrise:07:13 AM Sunset: 04:09 PM |
Moonrise:05:15 AM Moonset: 02:03 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Heavy snow |
-1.9 ° C (28.5°F) |
-1.6 ° C (29.1°F) |
-1 ° C (30.1°F) |
% 97 | 77% | 1 | Sunrise:07:14 AM Sunset: 04:10 PM |
Moonrise:06:18 AM Moonset: 02:40 PM Moon Phase ( Waning Crescent ) |
|