Belmont Weather Forecast 15 Days, Weather in Belmont Today
Current weather conditions and 15 day weather forecast for Belmont, 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 Belmont
| 17 December 2025 Wednesday -2.8 ° C / 27°F  Clear |
Feels Like : -8.9 ° C / 16°F Humidity : % 53 Pressure : 1013 mb Wind Speed : 20.9 kmph / 13 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Belmont, MA, USA
Weather Forecast for next 15 Days for Belmont 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 Belmont, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 December 2025 Wednesday | Sunny |
-4 ° C (24.8°F) |
11.6 ° C (52.9°F) |
2.4 ° C (36.3°F) |
% 55 | 0% | 0.2 | Sunrise:07:09 AM Sunset: 04:13 PM |
Moonrise:05:10 AM Moonset: 02:07 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Mist |
-1.9 ° C (28.6°F) |
4.4 ° C (39.9°F) |
1.7 ° C (35°F) |
% 90 | 0% | 0.3 | Sunrise:07:09 AM Sunset: 04:13 PM |
Moonrise:06:12 AM Moonset: 02:45 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Heavy rain |
4.1 ° C (39.3°F) |
13.5 ° C (56.3°F) |
9.8 ° C (49.6°F) |
% 93 | 89% | 0 | Sunrise:07:10 AM Sunset: 04:14 PM |
Moonrise:07:11 AM Moonset: 03:33 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
-3.2 ° C (26.2°F) |
1.7 ° C (35.1°F) |
-0.9 ° C (30.5°F) |
% 49 | 0% | 0.2 | Sunrise:07:10 AM Sunset: 04:14 PM |
Moonrise:08:03 AM Moonset: 04:28 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Patchy rain nearby |
-1.1 ° C (29.9°F) |
7.3 ° C (45.1°F) |
2.3 ° C (36.2°F) |
% 64 | 79% | 0 | Sunrise:07:11 AM Sunset: 04:15 PM |
Moonrise:08:47 AM Moonset: 05:31 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-3.8 ° C (25.2°F) |
-0.8 ° C (30.5°F) |
-2.4 ° C (27.6°F) |
% 43 | 0% | 2 | Sunrise:07:11 AM Sunset: 04:15 PM |
Moonrise:09:23 AM Moonset: 06:37 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Light freezing rain |
-3.5 ° C (25.8°F) |
3.6 ° C (38.5°F) |
0.3 ° C (32.5°F) |
% 50 | 80% | 1 | Sunrise:07:12 AM Sunset: 04:16 PM |
Moonrise:09:52 AM Moonset: 07:46 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Overcast |
-0.1 ° C (31.8°F) |
7.4 ° C (45.4°F) |
4.4 ° C (39.9°F) |
% 70 | 0% | 1 | Sunrise:07:12 AM Sunset: 04:16 PM |
Moonrise:10:17 AM Moonset: 08:54 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
-0.9 ° C (30.3°F) |
6.1 ° C (42.9°F) |
3 ° C (37.3°F) |
% 77 | 89% | 1 | Sunrise:07:13 AM Sunset: 04:17 PM |
Moonrise:10:39 AM Moonset: 10:02 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
-3.5 ° C (25.8°F) |
2 ° C (35.6°F) |
0.1 ° C (32.2°F) |
% 60 | 0% | 2 | Sunrise:07:13 AM Sunset: 04:18 PM |
Moonrise:11:00 AM Moonset: 11:12 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Partly Cloudy |
-6.2 ° C (20.8°F) |
-0.8 ° C (30.6°F) |
-3.3 ° C (26.1°F) |
% 42 | 0% | 2 | Sunrise:07:13 AM Sunset: 04:18 PM |
Moonrise:11:20 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Light freezing rain |
-9.7 ° C (14.6°F) |
-0.7 ° C (30.8°F) |
-4.4 ° C (24°F) |
% 55 | 75% | 1 | Sunrise:07:14 AM Sunset: 04:19 PM |
Moonrise:11:42 AM Moonset: 12:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-11.6 ° C (11.1°F) |
-5.7 ° C (21.8°F) |
-8.3 ° C (17.1°F) |
% 35 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:20 PM |
Moonrise:12:08 PM Moonset: 01:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Patchy moderate snow |
-5.8 ° C (21.5°F) |
2.2 ° C (36°F) |
-2.3 ° C (27.8°F) |
% 71 | 75% | 1 | Sunrise:07:14 AM Sunset: 04:21 PM |
Moonrise:12:39 PM Moonset: 02:56 AM Moon Phase ( Waxing Gibbous ) |
|
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