New Plymouth Weather Forecast 15 Days, Weather in New Plymouth Today
Current weather conditions and 15 day weather forecast for New Plymouth, Idaho, 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 New Plymouth
| 19 December 2025 Friday 4.4 ° C / 39.9°F  Overcast |
Feels Like : -0.5 ° C / 31.1°F Humidity : % 73 Pressure : 1005 mb Wind Speed : 27.4 kmph / 17 miles from W  Visibility : 16 km Precipitation (rainfall) : 0.06 mm Cloud (%) : 100 |
15 day weather forecast for New Plymouth, ID, USA
Weather Forecast for next 15 Days for New Plymouth 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 New Plymouth, Idaho 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 December 2025 Friday |  Sunny |
-2.4 ° C (27.8°F) |
11 ° C (51.8°F) |
3.8 ° C (38.9°F) |
% 79 | 0% | 0.1 | Sunrise:08:19 AM Sunset: 05:12 PM |
Moonrise:08:29 AM Moonset: 04:35 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Mist |
-7.8 ° C (18°F) |
3 ° C (37.4°F) |
-2.9 ° C (26.8°F) |
% 84 | 0% | 0.2 | Sunrise:08:19 AM Sunset: 05:13 PM |
Moonrise:09:20 AM Moonset: 05:32 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Heavy rain |
-1.3 ° C (29.7°F) |
6.5 ° C (43.7°F) |
2.3 ° C (36.1°F) |
% 94 | 89% | 0.1 | Sunrise:08:20 AM Sunset: 05:13 PM |
Moonrise:10:02 AM Moonset: 06:36 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Patchy rain nearby |
1.8 ° C (35.3°F) |
5 ° C (40.9°F) |
3.4 ° C (38.1°F) |
% 94 | 87% | 0.2 | Sunrise:08:20 AM Sunset: 05:14 PM |
Moonrise:10:36 AM Moonset: 07:44 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
3.9 ° C (39°F) |
6.6 ° C (43.9°F) |
5 ° C (41.1°F) |
% 88 | 87% | 0 | Sunrise:08:21 AM Sunset: 05:14 PM |
Moonrise:11:04 AM Moonset: 08:54 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Partly Cloudy |
4.8 ° C (40.7°F) |
14 ° C (57.1°F) |
8 ° C (46.4°F) |
% 65 | 0% | 3 | Sunrise:08:21 AM Sunset: 05:15 PM |
Moonrise:11:27 AM Moonset: 10:03 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Sunny |
1.9 ° C (35.5°F) |
8.8 ° C (47.8°F) |
5.4 ° C (41.7°F) |
% 66 | 0% | 3 | Sunrise:08:21 AM Sunset: 05:16 PM |
Moonrise:11:47 AM Moonset: 11:14 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
3.4 ° C (38.1°F) |
6.2 ° C (43.1°F) |
4.5 ° C (40.2°F) |
% 74 | 89% | 1 | Sunrise:08:22 AM Sunset: 05:16 PM |
Moonrise:12:06 PM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Patchy rain nearby |
2.2 ° C (36°F) |
3.6 ° C (38.4°F) |
3.4 ° C (38.1°F) |
% 95 | 89% | 1 | Sunrise:08:22 AM Sunset: 05:17 PM |
Moonrise:12:25 PM Moonset: 12:24 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Partly Cloudy |
-0.2 ° C (31.6°F) |
6.7 ° C (44°F) |
2.5 ° C (36.4°F) |
% 77 | 0% | 2 | Sunrise:08:22 AM Sunset: 05:18 PM |
Moonrise:12:46 PM Moonset: 01:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
-0.9 ° C (30.3°F) |
5 ° C (40.9°F) |
2.4 ° C (36.4°F) |
% 59 | 86% | 1 | Sunrise:08:22 AM Sunset: 05:18 PM |
Moonrise:01:11 PM Moonset: 02:54 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-3.5 ° C (25.6°F) |
1.5 ° C (34.7°F) |
-1.6 ° C (29.1°F) |
% 68 | 0% | 2 | Sunrise:08:23 AM Sunset: 05:19 PM |
Moonrise:01:42 PM Moonset: 04:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-5.6 ° C (21.8°F) |
-0.3 ° C (31.5°F) |
-3.7 ° C (25.4°F) |
% 68 | 0% | 2 | Sunrise:08:23 AM Sunset: 05:20 PM |
Moonrise:02:22 PM Moonset: 05:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
-7.3 ° C (18.9°F) |
-1.8 ° C (28.8°F) |
-4.9 ° C (23.1°F) |
% 66 | 0% | 2 | Sunrise:08:23 AM Sunset: 05:21 PM |
Moonrise:03:17 PM Moonset: 06:58 AM Moon Phase ( Waxing Gibbous ) |
|
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