Current weather conditions and 15 day weather forecast for Mendon, 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.
| 15 December 2025 Monday -8.9 ° C / 16°F ![]() Sunny |
Feels Like : -16 ° C / 3.2°F Humidity : % 58 Pressure : 1020 mb Wind Speed : 17.6 kmph / 11 miles from NW ![]() 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 December 2025 Monday | Sunny |
-10.3 ° C (13.5°F) |
-1.4 ° C (29.5°F) |
-6.1 ° C (21°F) |
% 53 | 0% | 0.3 | Sunrise:07:07 AM Sunset: 04:15 PM |
Moonrise:03:02 AM Moonset: 01:13 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Partly Cloudy |
-5.4 ° C (22.3°F) |
2.3 ° C (36.1°F) |
-2.2 ° C (28°F) |
% 62 | 0% | 0.3 | Sunrise:07:08 AM Sunset: 04:15 PM |
Moonrise:04:06 AM Moonset: 01:38 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Partly Cloudy |
-2.2 ° C (28°F) |
6.1 ° C (43°F) |
1.9 ° C (35.4°F) |
% 65 | 0% | 0.3 | Sunrise:07:09 AM Sunset: 04:15 PM |
Moonrise:05:10 AM Moonset: 02:09 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Partly Cloudy |
-4.6 ° C (23.7°F) |
3.3 ° C (37.9°F) |
0.5 ° C (32.8°F) |
% 66 | 0% | 0.2 | Sunrise:07:09 AM Sunset: 04:16 PM |
Moonrise:06:12 AM Moonset: 02:48 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Moderate rain |
-2.3 ° C (27.9°F) |
13.3 ° C (55.9°F) |
8.5 ° C (47.2°F) |
% 86 | 88% | 0 | Sunrise:07:10 AM Sunset: 04:16 PM |
Moonrise:07:11 AM Moonset: 03:35 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Partly Cloudy |
-5.1 ° C (22.9°F) |
-0.2 ° C (31.6°F) |
-2.4 ° C (27.6°F) |
% 50 | 0% | 2 | Sunrise:07:10 AM Sunset: 04:16 PM |
Moonrise:08:02 AM Moonset: 04:31 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Patchy rain nearby |
0.8 ° C (33.5°F) |
6 ° C (42.8°F) |
4 ° C (39.2°F) |
% 87 | 82% | 1 | Sunrise:07:11 AM Sunset: 04:17 PM |
Moonrise:08:46 AM Moonset: 05:33 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-4.8 ° C (23.3°F) |
-1.8 ° C (28.8°F) |
-3.2 ° C (26.3°F) |
% 61 | 0% | 2 | Sunrise:07:11 AM Sunset: 04:17 PM |
Moonrise:09:23 AM Moonset: 06:39 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Overcast |
-3.9 ° C (25°F) |
3 ° C (37.3°F) |
0.5 ° C (32.9°F) |
% 58 | 0% | 1 | Sunrise:07:12 AM Sunset: 04:18 PM |
Moonrise:09:52 AM Moonset: 07:48 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
3.1 ° C (37.6°F) |
6.5 ° C (43.6°F) |
4.4 ° C (39.9°F) |
% 74 | 81% | 1 | Sunrise:07:12 AM Sunset: 04:19 PM |
Moonrise:10:17 AM Moonset: 08:56 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Partly Cloudy |
-8.4 ° C (16.8°F) |
-5.2 ° C (22.7°F) |
-5.5 ° C (22.1°F) |
% 49 | 0% | 2 | Sunrise:07:13 AM Sunset: 04:19 PM |
Moonrise:10:39 AM Moonset: 10:04 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Moderate or heavy snow showers |
-7.7 ° C (18.2°F) |
-3.4 ° C (25.8°F) |
-4.7 ° C (23.5°F) |
% 70 | 88% | 1 | Sunrise:07:13 AM Sunset: 04:20 PM |
Moonrise:11:00 AM Moonset: 11:13 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-11.4 ° C (11.4°F) |
-3.5 ° C (25.6°F) |
-6.6 ° C (20.2°F) |
% 74 | 0% | 2 | Sunrise:07:13 AM Sunset: 04:21 PM |
Moonrise:11:21 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-12.3 ° C (9.9°F) |
-3.1 ° C (26.4°F) |
-8.7 ° C (16.4°F) |
% 77 | 0% | 2 | Sunrise:07:13 AM Sunset: 04:21 PM |
Moonrise:11:44 AM Moonset: 12:23 AM Moon Phase ( Waxing Gibbous ) |
|