Merrimac Weather Forecast 15 Days, Weather in Merrimac Today
Current weather conditions and 15 day weather forecast for Merrimac, 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 Merrimac
| 26 December 2025 Friday -7.8 ° C / 18°F  Clear |
Feels Like : -15.3 ° C / 4.4°F Humidity : % 53 Pressure : 1019 mb Wind Speed : 21.2 kmph / 13.2 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Merrimac, MA, USA
Weather Forecast for next 15 Days for Merrimac 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 Merrimac, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 December 2025 Thursday |  Light freezing rain |
-9 ° C (15.8°F) |
4 ° C (39.2°F) |
-2.9 ° C (26.8°F) |
% 75 | 86% | 0.2 | Sunrise:07:14 AM Sunset: 04:16 PM |
Moonrise:10:39 AM Moonset: 10:02 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Light freezing rain |
-12.8 ° C (9°F) |
-6.5 ° C (20.3°F) |
-9.2 ° C (15.5°F) |
% 47 | 72% | 0.2 | Sunrise:07:14 AM Sunset: 04:16 PM |
Moonrise:10:59 AM Moonset: 11:11 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Partly Cloudy |
-7.9 ° C (17.8°F) |
-1.7 ° C (28.9°F) |
-5.2 ° C (22.6°F) |
% 54 | 0% | 0.2 | Sunrise:07:14 AM Sunset: 04:17 PM |
Moonrise:11:20 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-6.1 ° C (21°F) |
0.2 ° C (32.4°F) |
-3 ° C (26.5°F) |
% 49 | 0% | 0.2 | Sunrise:07:15 AM Sunset: 04:18 PM |
Moonrise:11:42 AM Moonset: 12:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Patchy rain nearby |
-0.9 ° C (30.3°F) |
4.2 ° C (39.6°F) |
1.6 ° C (34.8°F) |
% 91 | 87% | 0 | Sunrise:07:15 AM Sunset: 04:18 PM |
Moonrise:12:06 PM Moonset: 01:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Cloudy |
-6.6 ° C (20.1°F) |
-3.7 ° C (25.4°F) |
-4.4 ° C (24.1°F) |
% 58 | 0% | 0 | Sunrise:07:15 AM Sunset: 04:19 PM |
Moonrise:12:37 PM Moonset: 02:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Partly Cloudy |
-6.3 ° C (20.6°F) |
0.2 ° C (32.3°F) |
-3.2 ° C (26.2°F) |
% 57 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:20 PM |
Moonrise:01:18 PM Moonset: 04:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Light freezing rain |
-11.4 ° C (11.4°F) |
-6.6 ° C (20.1°F) |
-8.4 ° C (16.9°F) |
% 45 | 74% | 1 | Sunrise:07:15 AM Sunset: 04:21 PM |
Moonrise:02:11 PM Moonset: 05:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Heavy snow |
-10.8 ° C (12.6°F) |
-5.1 ° C (22.9°F) |
-6.9 ° C (19.6°F) |
% 83 | 76% | 1 | Sunrise:07:15 AM Sunset: 04:22 PM |
Moonrise:03:18 PM Moonset: 06:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
-14 ° C (6.7°F) |
-7.1 ° C (19.2°F) |
-10.8 ° C (12.5°F) |
% 70 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:23 PM |
Moonrise:04:34 PM Moonset: 07:48 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Partly Cloudy |
-11.2 ° C (11.8°F) |
-0.4 ° C (31.2°F) |
-5.4 ° C (22.3°F) |
% 80 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:24 PM |
Moonrise:05:55 PM Moonset: 08:32 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Cloudy |
-2.4 ° C (27.6°F) |
5 ° C (41.1°F) |
0.6 ° C (33°F) |
% 80 | 0% | 1 | Sunrise:07:15 AM Sunset: 04:25 PM |
Moonrise:07:13 PM Moonset: 09:06 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday |  Mist |
-2.5 ° C (27.5°F) |
4.8 ° C (40.6°F) |
0.5 ° C (33°F) |
% 91 | 67% | 1 | Sunrise:07:15 AM Sunset: 04:26 PM |
Moonrise:08:27 PM Moonset: 09:33 AM Moon Phase ( Waning Gibbous ) |
|
| 07 January 2026 Wednesday | Patchy rain nearby |
0.7 ° C (33.3°F) |
3.3 ° C (37.9°F) |
1.9 ° C (35.5°F) |
% 99 | 86% | 1 | Sunrise:07:15 AM Sunset: 04:27 PM |
Moonrise:09:37 PM Moonset: 09:55 AM Moon Phase ( Waning Gibbous ) |
|
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