Mercer Weather Forecast 15 Days, Weather in Mercer Today
Current weather conditions and 15 day weather forecast for Mercer, Missouri, 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 -7.8 ° C / 18°F  Sunny |
Feels Like : -14.4 ° C / 6.1°F Humidity : % 80 Pressure : 1012 mb Wind Speed : 16.6 kmph / 10.3 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Mercer, MO, 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, Missouri 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 |
-10.4 ° C (13.3°F) |
1.4 ° C (34.5°F) |
-4.4 ° C (24°F) |
% 82 | 0% | 0.4 | Sunrise:07:23 AM Sunset: 04:47 PM |
Moonrise:05:18 PM Moonset: 08:31 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday |  Overcast |
-1.5 ° C (29.3°F) |
0.7 ° C (33.3°F) |
-0.4 ° C (31.3°F) |
% 90 | 0% | 0.4 | Sunrise:07:24 AM Sunset: 04:47 PM |
Moonrise:06:30 PM Moonset: 09:36 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Moderate or heavy snow showers |
-16.3 ° C (2.7°F) |
-4.6 ° C (23.7°F) |
-6.1 ° C (21°F) |
% 88 | 78% | 0.4 | Sunrise:07:25 AM Sunset: 04:47 PM |
Moonrise:07:48 PM Moonset: 10:26 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday | Overcast |
-19.7 ° C (-3.4°F) |
-3.5 ° C (25.7°F) |
-11 ° C (12.1°F) |
% 94 | 0% | 0.4 | Sunrise:07:26 AM Sunset: 04:47 PM |
Moonrise:09:04 PM Moonset: 11:05 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday | Overcast |
-6.3 ° C (20.6°F) |
1.9 ° C (35.4°F) |
-2 ° C (28.4°F) |
% 93 | 0% | 0 | Sunrise:07:26 AM Sunset: 04:47 PM |
Moonrise:10:15 PM Moonset: 11:36 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday |  Patchy rain nearby |
-0.8 ° C (30.5°F) |
4.8 ° C (40.7°F) |
2.9 ° C (37.2°F) |
% 85 | 73% | 1 | Sunrise:07:27 AM Sunset: 04:47 PM |
Moonrise:11:23 PM Moonset: 12:01 PM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday |  Partly Cloudy |
-5.3 ° C (22.5°F) |
-0.7 ° C (30.7°F) |
-3.7 ° C (25.3°F) |
% 75 | 0% | 2 | Sunrise:07:28 AM Sunset: 04:47 PM |
Moonrise:No moonrise Moonset: 12:22 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Partly Cloudy |
-6.4 ° C (20.4°F) |
0.3 ° C (32.5°F) |
-3.8 ° C (25.2°F) |
% 76 | 0% | 2 | Sunrise:07:29 AM Sunset: 04:47 PM |
Moonrise:12:26 AM Moonset: 12:42 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Sunny |
-5 ° C (23°F) |
2.7 ° C (36.8°F) |
-2 ° C (28.4°F) |
% 73 | 0% | 2 | Sunrise:07:30 AM Sunset: 04:47 PM |
Moonrise:01:29 AM Moonset: 01:02 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Patchy rain nearby |
-1.6 ° C (29.1°F) |
3.7 ° C (38.7°F) |
1.7 ° C (35.1°F) |
% 80 | 86% | 1 | Sunrise:07:30 AM Sunset: 04:48 PM |
Moonrise:02:30 AM Moonset: 01:23 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Patchy rain nearby |
3.9 ° C (39.1°F) |
13.3 ° C (56°F) |
9.8 ° C (49.7°F) |
% 93 | 88% | 2 | Sunrise:07:31 AM Sunset: 04:48 PM |
Moonrise:03:32 AM Moonset: 01:46 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Overcast |
0.3 ° C (32.6°F) |
1.9 ° C (35.4°F) |
1.4 ° C (34.5°F) |
% 78 | 0% | 1 | Sunrise:07:32 AM Sunset: 04:48 PM |
Moonrise:04:34 AM Moonset: 02:13 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Patchy rain nearby |
-0.3 ° C (31.4°F) |
5.3 ° C (41.6°F) |
2.3 ° C (36.1°F) |
% 90 | 86% | 1 | Sunrise:07:32 AM Sunset: 04:49 PM |
Moonrise:05:37 AM Moonset: 02:46 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Partly Cloudy |
-6.1 ° C (21°F) |
-2.3 ° C (27.9°F) |
-4.3 ° C (24.3°F) |
% 62 | 0% | 2 | Sunrise:07:33 AM Sunset: 04:49 PM |
Moonrise:06:38 AM Moonset: 03:26 PM Moon Phase ( Waning Crescent ) |
|
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