Mercer Weather Forecast 15 Days, Weather in Mercer Today
Current weather conditions and 15 day weather forecast for Mercer, Maine, 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 Mercer
| 05 December 2025 Friday -12.2 ° C / 10°F  Sunny |
Feels Like : -17.9 ° C / -0.3°F Humidity : % 57 Pressure : 1025 mb Wind Speed : 10.1 kmph / 6.3 miles from WNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Mercer, ME, USA
Weather Forecast for next 15 Days for Mercer 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 Mercer, Maine 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday | Sunny |
-18.2 ° C (-0.8°F) |
-5.2 ° C (22.6°F) |
-11.6 ° C (11.1°F) |
% 51 | 0% | 0.2 | Sunrise:07:02 AM Sunset: 03:59 PM |
Moonrise:04:18 PM Moonset: 08:12 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday |  Overcast |
-9 ° C (15.8°F) |
-1.7 ° C (29°F) |
-5.1 ° C (22.9°F) |
% 48 | 0% | 0.2 | Sunrise:07:03 AM Sunset: 03:59 PM |
Moonrise:05:32 PM Moonset: 09:17 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Cloudy |
-6.4 ° C (20.6°F) |
-2.7 ° C (27.1°F) |
-3.8 ° C (25.1°F) |
% 66 | 0% | 0.2 | Sunrise:07:04 AM Sunset: 03:59 PM |
Moonrise:06:52 PM Moonset: 10:06 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday |  Patchy moderate snow |
-12.8 ° C (8.9°F) |
-7.3 ° C (18.9°F) |
-9 ° C (15.7°F) |
% 69 | 69% | 0.1 | Sunrise:07:05 AM Sunset: 03:59 PM |
Moonrise:08:12 PM Moonset: 10:42 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday | Overcast |
-15 ° C (5°F) |
-4.8 ° C (23.3°F) |
-10.7 ° C (12.8°F) |
% 70 | 0% | 0 | Sunrise:07:06 AM Sunset: 03:59 PM |
Moonrise:09:28 PM Moonset: 11:09 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday |  Light freezing rain |
-7.1 ° C (19.3°F) |
-0.7 ° C (30.7°F) |
-3.3 ° C (26.1°F) |
% 93 | 79% | 1 | Sunrise:07:06 AM Sunset: 03:59 PM |
Moonrise:10:39 PM Moonset: 11:31 AM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday |  Patchy rain nearby |
-3.2 ° C (26.2°F) |
5.6 ° C (42°F) |
1.7 ° C (35°F) |
% 82 | 86% | 1 | Sunrise:07:07 AM Sunset: 03:59 PM |
Moonrise:11:47 PM Moonset: 11:49 AM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Sunny |
-6.4 ° C (20.4°F) |
0.5 ° C (32.9°F) |
-3.4 ° C (25.9°F) |
% 67 | 0% | 2 | Sunrise:07:08 AM Sunset: 03:59 PM |
Moonrise:No moonrise Moonset: 12:05 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Light freezing rain |
-7 ° C (19.5°F) |
-2.1 ° C (28.2°F) |
-4 ° C (24.8°F) |
% 62 | 84% | 1 | Sunrise:07:09 AM Sunset: 03:59 PM |
Moonrise:12:53 AM Moonset: 12:22 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Sunny |
-6.6 ° C (20.1°F) |
-1.6 ° C (29.1°F) |
-4 ° C (24.8°F) |
% 59 | 0% | 2 | Sunrise:07:10 AM Sunset: 03:59 PM |
Moonrise:01:58 AM Moonset: 12:39 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Sunny |
-6.2 ° C (20.9°F) |
0.2 ° C (32.4°F) |
-4.4 ° C (24.2°F) |
% 74 | 0% | 2 | Sunrise:07:11 AM Sunset: 03:59 PM |
Moonrise:03:02 AM Moonset: 12:59 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Patchy moderate snow |
-5.4 ° C (22.3°F) |
-0.7 ° C (30.7°F) |
-2.4 ° C (27.7°F) |
% 92 | 75% | 1 | Sunrise:07:11 AM Sunset: 04:00 PM |
Moonrise:04:08 AM Moonset: 01:23 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Freezing fog |
-2.7 ° C (27.1°F) |
2.2 ° C (36°F) |
-1.1 ° C (29.9°F) |
% 95 | 78% | 1 | Sunrise:07:12 AM Sunset: 04:00 PM |
Moonrise:05:14 AM Moonset: 01:52 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Heavy snow |
-3.1 ° C (26.4°F) |
-2.5 ° C (27.6°F) |
-2.4 ° C (27.7°F) |
% 94 | 80% | 1 | Sunrise:07:13 AM Sunset: 04:00 PM |
Moonrise:06:18 AM Moonset: 02:29 PM Moon Phase ( Waning Crescent ) |
|
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