Current weather conditions and 15 day weather forecast for Petersham (CDP), 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.
| 16 December 2025 Tuesday -7.2 ° C / 19°F ![]() Overcast |
Feels Like : -11.6 ° C / 11.2°F Humidity : % 70 Pressure : 1017 mb Wind Speed : 9 kmph / 5.6 miles from SW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 16 December 2025 Tuesday | Sunny |
-9.7 ° C (14.5°F) |
1.2 ° C (34.2°F) |
-4.7 ° C (23.5°F) |
% 67 | 0% | 0.3 | Sunrise:07:13 AM Sunset: 04:17 PM |
Moonrise:04:11 AM Moonset: 01:40 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Overcast |
-6.2 ° C (20.8°F) |
-0.1 ° C (31.8°F) |
-2.8 ° C (26.9°F) |
% 77 | 0% | 0.3 | Sunrise:07:14 AM Sunset: 04:17 PM |
Moonrise:05:15 AM Moonset: 02:11 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Mist |
-4.7 ° C (23.5°F) |
2.6 ° C (36.6°F) |
-0.3 ° C (31.5°F) |
% 94 | 0% | 0.3 | Sunrise:07:14 AM Sunset: 04:17 PM |
Moonrise:06:18 AM Moonset: 02:49 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Heavy rain |
-7.3 ° C (18.9°F) |
12.8 ° C (55°F) |
4.9 ° C (40.9°F) |
% 88 | 85% | 0.1 | Sunrise:07:15 AM Sunset: 04:18 PM |
Moonrise:07:17 AM Moonset: 03:37 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Light freezing rain |
-9.5 ° C (15°F) |
-0.9 ° C (30.4°F) |
-6.8 ° C (19.8°F) |
% 57 | 73% | 0 | Sunrise:07:15 AM Sunset: 04:18 PM |
Moonrise:08:08 AM Moonset: 04:32 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Light freezing rain |
-4.7 ° C (23.6°F) |
5.1 ° C (41.1°F) |
0.3 ° C (32.5°F) |
% 64 | 72% | 1 | Sunrise:07:16 AM Sunset: 04:19 PM |
Moonrise:08:52 AM Moonset: 05:35 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-6.8 ° C (19.8°F) |
-2.3 ° C (27.9°F) |
-5 ° C (23.1°F) |
% 58 | 0% | 2 | Sunrise:07:16 AM Sunset: 04:19 PM |
Moonrise:09:28 AM Moonset: 06:41 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Cloudy |
-7.9 ° C (17.8°F) |
-0.2 ° C (31.6°F) |
-3 ° C (26.5°F) |
% 72 | 0% | 1 | Sunrise:07:17 AM Sunset: 04:20 PM |
Moonrise:09:57 AM Moonset: 07:50 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Mist |
2.4 ° C (36.3°F) |
6.6 ° C (43.9°F) |
4.2 ° C (39.5°F) |
% 97 | 0% | 1 | Sunrise:07:17 AM Sunset: 04:20 PM |
Moonrise:10:22 AM Moonset: 08:58 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Sunny |
-4.9 ° C (23.2°F) |
0.1 ° C (32.2°F) |
-2.4 ° C (27.7°F) |
% 63 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:21 PM |
Moonrise:10:44 AM Moonset: 10:07 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Moderate rain |
-2.3 ° C (27.9°F) |
6.3 ° C (43.4°F) |
2.2 ° C (35.9°F) |
% 87 | 84% | 1 | Sunrise:07:18 AM Sunset: 04:22 PM |
Moonrise:11:04 AM Moonset: 11:17 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-12.3 ° C (9.9°F) |
-5.5 ° C (22.1°F) |
-7.5 ° C (18.6°F) |
% 70 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:22 PM |
Moonrise:11:25 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Partly Cloudy |
-12.9 ° C (8.7°F) |
-6.4 ° C (20.6°F) |
-9.9 ° C (14.2°F) |
% 66 | 0% | 2 | Sunrise:07:19 AM Sunset: 04:23 PM |
Moonrise:11:47 AM Moonset: 12:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Overcast |
-10.4 ° C (13.3°F) |
-0.5 ° C (31°F) |
-5 ° C (23.1°F) |
% 61 | 0% | 1 | Sunrise:07:19 AM Sunset: 04:24 PM |
Moonrise:12:12 PM Moonset: 01:43 AM Moon Phase ( Waxing Gibbous ) |
|