Spearfish Weather Forecast 15 Days, Weather in Spearfish Today
Current weather conditions and 15 day weather forecast for Spearfish, South Dakota, 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 Spearfish
| 05 December 2025 Friday 2.3 ° C / 36.1°F  Overcast |
Feels Like : -2.7 ° C / 27.1°F Humidity : % 69 Pressure : 1009 mb Wind Speed : 23 kmph / 14.3 miles from W  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Spearfish, SD, USA
Weather Forecast for next 15 Days for Spearfish 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 Spearfish, South Dakota 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 |  Moderate or heavy snow showers |
-6.8 ° C (19.8°F) |
1.8 ° C (35.2°F) |
0.1 ° C (32.2°F) |
% 81 | 74% | 0.2 | Sunrise:07:17 AM Sunset: 04:16 PM |
Moonrise:04:42 PM Moonset: 08:33 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday |  Moderate snow |
-3.2 ° C (26.2°F) |
1.4 ° C (34.5°F) |
-1.2 ° C (29.9°F) |
% 90 | 72% | 0.1 | Sunrise:07:18 AM Sunset: 04:15 PM |
Moonrise:05:56 PM Moonset: 09:37 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Cloudy |
-4.9 ° C (23.2°F) |
1.5 ° C (34.7°F) |
-2 ° C (28.5°F) |
% 85 | 0% | 0.3 | Sunrise:07:19 AM Sunset: 04:15 PM |
Moonrise:07:17 PM Moonset: 10:24 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday |  Light freezing rain |
-2.8 ° C (27°F) |
3.9 ° C (39.1°F) |
0.6 ° C (33°F) |
% 80 | 74% | 0.3 | Sunrise:07:20 AM Sunset: 04:15 PM |
Moonrise:08:36 PM Moonset: 11:00 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Patchy rain nearby |
-1.5 ° C (29.3°F) |
6.1 ° C (43°F) |
1.9 ° C (35.4°F) |
% 71 | 89% | 0 | Sunrise:07:21 AM Sunset: 04:15 PM |
Moonrise:09:52 PM Moonset: 11:26 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday | Light freezing rain |
-2.2 ° C (28°F) |
2.2 ° C (36°F) |
0.2 ° C (32.4°F) |
% 85 | 88% | 1 | Sunrise:07:21 AM Sunset: 04:15 PM |
Moonrise:11:02 PM Moonset: 11:48 AM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday |  Light snow |
-8.5 ° C (16.7°F) |
-1.8 ° C (28.7°F) |
-4.6 ° C (23.7°F) |
% 89 | 87% | 1 | Sunrise:07:22 AM Sunset: 04:15 PM |
Moonrise:No moonrise Moonset: 12:06 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Light snow |
-11.7 ° C (10.9°F) |
-5.4 ° C (22.2°F) |
-8.5 ° C (16.6°F) |
% 92 | 76% | 1 | Sunrise:07:23 AM Sunset: 04:15 PM |
Moonrise:12:09 AM Moonset: 12:23 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday |  Mist |
-12.5 ° C (9.5°F) |
-2 ° C (28.3°F) |
-7.3 ° C (18.8°F) |
% 93 | 86% | 1 | Sunrise:07:24 AM Sunset: 04:16 PM |
Moonrise:01:15 AM Moonset: 12:40 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Light freezing rain |
-11.7 ° C (11°F) |
2 ° C (35.6°F) |
-3.5 ° C (25.8°F) |
% 92 | 63% | 1 | Sunrise:07:25 AM Sunset: 04:16 PM |
Moonrise:02:19 AM Moonset: 12:58 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Overcast |
-14.2 ° C (6.5°F) |
-6.6 ° C (20.1°F) |
-10.9 ° C (12.4°F) |
% 89 | 0% | 1 | Sunrise:07:26 AM Sunset: 04:16 PM |
Moonrise:03:24 AM Moonset: 01:18 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Light freezing rain |
-14.7 ° C (5.6°F) |
0.8 ° C (33.5°F) |
-5.1 ° C (22.8°F) |
% 92 | 71% | 1 | Sunrise:07:26 AM Sunset: 04:16 PM |
Moonrise:04:29 AM Moonset: 01:43 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Light snow |
-25.7 ° C (-14.3°F) |
-17.5 ° C (0.6°F) |
-20.9 ° C (-5.6°F) |
% 94 | 60% | 1 | Sunrise:07:27 AM Sunset: 04:17 PM |
Moonrise:05:35 AM Moonset: 02:12 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Moderate snow |
-25.3 ° C (-13.5°F) |
-11.8 ° C (10.8°F) |
-18.4 ° C (-1°F) |
% 91 | 82% | 1 | Sunrise:07:28 AM Sunset: 04:17 PM |
Moonrise:06:38 AM Moonset: 02:50 PM Moon Phase ( Waning Crescent ) |
|
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