Mendham Weather Forecast 15 Days, Weather in Mendham Today
Current weather conditions and 15 day weather forecast for Mendham, New Jersey, 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 Mendham
| 22 December 2025 Monday 0 ° C / 32°F  Sunny |
Feels Like : -4.1 ° C / 24.6°F Humidity : % 59 Pressure : 1034 mb Wind Speed : 13.3 kmph / 8.3 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Mendham, NJ, USA
Weather Forecast for next 15 Days for Mendham 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 Mendham, New Jersey 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday | Sunny |
-2.2 ° C (28°F) |
4 ° C (39.2°F) |
-0.2 ° C (31.6°F) |
% 58 | 0% | 0.3 | Sunrise:07:19 AM Sunset: 04:34 PM |
Moonrise:09:31 AM Moonset: 06:56 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Moderate or heavy snow showers |
-2.2 ° C (28°F) |
3.5 ° C (38.3°F) |
0.3 ° C (32.5°F) |
% 82 | 81% | 0.1 | Sunrise:07:20 AM Sunset: 04:34 PM |
Moonrise:10:01 AM Moonset: 08:03 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Sunny |
0.1 ° C (32.2°F) |
4.2 ° C (39.6°F) |
1.8 ° C (35.2°F) |
% 73 | 0% | 0.3 | Sunrise:07:20 AM Sunset: 04:35 PM |
Moonrise:10:27 AM Moonset: 09:10 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Patchy rain nearby |
-0.2 ° C (31.6°F) |
2.7 ° C (36.8°F) |
1.3 ° C (34.4°F) |
% 90 | 85% | 0.1 | Sunrise:07:21 AM Sunset: 04:35 PM |
Moonrise:10:50 AM Moonset: 10:17 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
-2 ° C (28.4°F) |
13.7 ° C (56.7°F) |
4.6 ° C (40.3°F) |
% 92 | 82% | 0 | Sunrise:07:21 AM Sunset: 04:36 PM |
Moonrise:11:12 AM Moonset: 11:25 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-5.2 ° C (22.6°F) |
-1 ° C (30.2°F) |
-3.2 ° C (26.2°F) |
% 42 | 0% | 2 | Sunrise:07:21 AM Sunset: 04:37 PM |
Moonrise:11:34 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Moderate snow |
-2.4 ° C (27.7°F) |
2.8 ° C (37.1°F) |
-0.1 ° C (31.7°F) |
% 76 | 62% | 1 | Sunrise:07:22 AM Sunset: 04:37 PM |
Moonrise:11:58 AM Moonset: 12:35 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-1 ° C (30.2°F) |
4.2 ° C (39.5°F) |
1.3 ° C (34.3°F) |
% 68 | 0% | 2 | Sunrise:07:22 AM Sunset: 04:38 PM |
Moonrise:12:24 PM Moonset: 01:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Heavy snow |
-1.1 ° C (30.1°F) |
0.4 ° C (32.7°F) |
-0.4 ° C (31.3°F) |
% 81 | 72% | 1 | Sunrise:07:22 AM Sunset: 04:39 PM |
Moonrise:12:57 PM Moonset: 03:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
1.3 ° C (34.3°F) |
2.7 ° C (36.8°F) |
2.2 ° C (35.9°F) |
% 96 | 88% | 1 | Sunrise:07:22 AM Sunset: 04:40 PM |
Moonrise:01:40 PM Moonset: 04:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
-1 ° C (30.2°F) |
3.9 ° C (38.9°F) |
1.1 ° C (33.9°F) |
% 85 | 0% | 2 | Sunrise:07:22 AM Sunset: 04:41 PM |
Moonrise:02:33 PM Moonset: 05:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
-0.9 ° C (30.3°F) |
6.4 ° C (43.6°F) |
1.8 ° C (35.2°F) |
% 88 | 0% | 2 | Sunrise:07:22 AM Sunset: 04:42 PM |
Moonrise:03:41 PM Moonset: 06:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
-1 ° C (30.1°F) |
7.5 ° C (45.5°F) |
2.2 ° C (36°F) |
% 85 | 0% | 2 | Sunrise:07:22 AM Sunset: 04:42 PM |
Moonrise:04:57 PM Moonset: 07:54 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Patchy rain nearby |
0.2 ° C (32.4°F) |
9.6 ° C (49.3°F) |
4.9 ° C (40.8°F) |
% 93 | 75% | 1 | Sunrise:07:22 AM Sunset: 04:43 PM |
Moonrise:06:15 PM Moonset: 08:39 AM Moon Phase ( Waning Gibbous ) |
|
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