Spencer Weather Forecast 15 Days, Weather in Spencer Today
Current weather conditions and 15 day weather forecast for Spencer, 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 Spencer
| 14 December 2025 Sunday -2.2 ° C / 28°F  Clear |
Feels Like : -5.2 ° C / 22.7°F Humidity : % 85 Pressure : 1026 mb Wind Speed : 7.6 kmph / 4.7 miles from NE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Spencer, ID, USA
Weather Forecast for next 15 Days for Spencer 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 Spencer, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 13 December 2025 Saturday |  Partly Cloudy |
-6.1 ° C (21°F) |
3.1 ° C (37.6°F) |
-1.5 ° C (29.3°F) |
% 88 | 0% | 0.3 | Sunrise:07:56 AM Sunset: 04:49 PM |
Moonrise:01:49 AM Moonset: 01:13 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Partly Cloudy |
-6.8 ° C (19.8°F) |
5.1 ° C (41.2°F) |
-2.1 ° C (28.3°F) |
% 80 | 0% | 0.3 | Sunrise:07:57 AM Sunset: 04:49 PM |
Moonrise:02:53 AM Moonset: 01:31 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday |  Cloudy |
-3.9 ° C (25°F) |
1.4 ° C (34.5°F) |
-1.7 ° C (28.9°F) |
% 80 | 0% | 0.3 | Sunrise:07:57 AM Sunset: 04:49 PM |
Moonrise:03:58 AM Moonset: 01:52 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Mist |
-4.4 ° C (24.1°F) |
-1 ° C (30.2°F) |
-1.9 ° C (28.6°F) |
% 92 | 0% | 0.2 | Sunrise:07:58 AM Sunset: 04:50 PM |
Moonrise:05:03 AM Moonset: 02:16 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Moderate or heavy snow showers |
-5.7 ° C (21.8°F) |
2.5 ° C (36.6°F) |
-1.3 ° C (29.6°F) |
% 69 | 86% | 0.2 | Sunrise:07:59 AM Sunset: 04:50 PM |
Moonrise:06:08 AM Moonset: 02:46 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Moderate snow |
-7.6 ° C (18.3°F) |
-2.9 ° C (26.7°F) |
-5.8 ° C (21.6°F) |
% 74 | 60% | 0 | Sunrise:07:59 AM Sunset: 04:50 PM |
Moonrise:07:12 AM Moonset: 03:25 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Freezing fog |
-1.5 ° C (29.3°F) |
0.6 ° C (33°F) |
-0.5 ° C (31.2°F) |
% 96 | 72% | 1 | Sunrise:08:00 AM Sunset: 04:51 PM |
Moonrise:08:10 AM Moonset: 04:12 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
-11.4 ° C (11.5°F) |
-5.3 ° C (22.4°F) |
-8.3 ° C (17°F) |
% 75 | 0% | 2 | Sunrise:08:01 AM Sunset: 04:51 PM |
Moonrise:09:01 AM Moonset: 05:09 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Light snow |
-11.1 ° C (12°F) |
-4.4 ° C (24°F) |
-8.3 ° C (17.1°F) |
% 91 | 60% | 1 | Sunrise:08:01 AM Sunset: 04:52 PM |
Moonrise:09:43 AM Moonset: 06:13 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Light freezing rain |
-11.2 ° C (11.8°F) |
-3.2 ° C (26.2°F) |
-6.5 ° C (20.4°F) |
% 88 | 72% | 1 | Sunrise:08:01 AM Sunset: 04:52 PM |
Moonrise:10:17 AM Moonset: 07:22 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Light freezing rain |
-11.4 ° C (11.5°F) |
-3.6 ° C (25.5°F) |
-7.7 ° C (18.1°F) |
% 90 | 0% | 1 | Sunrise:08:02 AM Sunset: 04:53 PM |
Moonrise:10:44 AM Moonset: 08:32 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Light snow |
-9.9 ° C (14.2°F) |
-3.6 ° C (25.6°F) |
-7.4 ° C (18.7°F) |
% 94 | 62% | 1 | Sunrise:08:02 AM Sunset: 04:53 PM |
Moonrise:11:07 AM Moonset: 09:42 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Heavy snow |
-7.2 ° C (19°F) |
-0.4 ° C (31.2°F) |
-3.2 ° C (26.3°F) |
% 96 | 87% | 1 | Sunrise:08:03 AM Sunset: 04:54 PM |
Moonrise:11:27 AM Moonset: 10:52 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Heavy snow |
-7.3 ° C (18.8°F) |
-3.2 ° C (26.2°F) |
-3.7 ° C (25.4°F) |
% 98 | 63% | 1 | Sunrise:08:03 AM Sunset: 04:55 PM |
Moonrise:11:46 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
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