Fairfax Weather Forecast 15 Days, Weather in Fairfax Today
Current weather conditions and 15 day weather forecast for Fairfax, 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 Fairfax
| 25 December 2025 Thursday 8.6 ° C / 47.5°F  Clear |
Feels Like : 6.8 ° C / 44.2°F Humidity : % 56 Pressure : 1017 mb Wind Speed : 11.2 kmph / 6.9 miles from NNE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Fairfax, SD, USA
Weather Forecast for next 15 Days for Fairfax 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 Fairfax, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 December 2025 Wednesday | Sunny |
2.6 ° C (36.7°F) |
16.7 ° C (62.1°F) |
7 ° C (44.6°F) |
% 63 | 0% | 0.3 | Sunrise:08:05 AM Sunset: 05:05 PM |
Moonrise:11:11 AM Moonset: 09:49 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Overcast |
0.1 ° C (32.2°F) |
5.6 ° C (42.1°F) |
3.2 ° C (37.7°F) |
% 95 | 0% | 0.3 | Sunrise:08:05 AM Sunset: 05:06 PM |
Moonrise:11:32 AM Moonset: 10:58 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Mist |
0.8 ° C (33.4°F) |
8 ° C (46.4°F) |
2.7 ° C (36.9°F) |
% 94 | 0% | 0.3 | Sunrise:08:05 AM Sunset: 05:06 PM |
Moonrise:11:52 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
0.6 ° C (33.1°F) |
16.2 ° C (61.2°F) |
6.6 ° C (43.8°F) |
% 71 | 0% | 0.3 | Sunrise:08:06 AM Sunset: 05:07 PM |
Moonrise:12:12 PM Moonset: 12:07 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Blizzard |
-8.7 ° C (16.4°F) |
-5.1 ° C (22.7°F) |
-5.4 ° C (22.3°F) |
% 56 | 76% | 0.2 | Sunrise:08:06 AM Sunset: 05:08 PM |
Moonrise:12:33 PM Moonset: 01:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-10.9 ° C (12.4°F) |
-2.5 ° C (27.4°F) |
-8.4 ° C (16.9°F) |
% 52 | 0% | 0 | Sunrise:08:06 AM Sunset: 05:09 PM |
Moonrise:12:59 PM Moonset: 02:35 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Partly Cloudy |
-4.6 ° C (23.7°F) |
7.7 ° C (45.9°F) |
1 ° C (33.8°F) |
% 55 | 0% | 2 | Sunrise:08:06 AM Sunset: 05:09 PM |
Moonrise:01:30 PM Moonset: 03:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
0.8 ° C (33.5°F) |
13.5 ° C (56.4°F) |
5.2 ° C (41.4°F) |
% 57 | 0% | 3 | Sunrise:08:06 AM Sunset: 05:10 PM |
Moonrise:02:11 PM Moonset: 05:17 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Partly Cloudy |
0.1 ° C (32.2°F) |
12 ° C (53.6°F) |
5.3 ° C (41.5°F) |
% 64 | 0% | 3 | Sunrise:08:07 AM Sunset: 05:11 PM |
Moonrise:03:05 PM Moonset: 06:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Partly Cloudy |
6.1 ° C (43°F) |
15.7 ° C (60.2°F) |
10.3 ° C (50.6°F) |
% 50 | 0% | 4 | Sunrise:08:07 AM Sunset: 05:12 PM |
Moonrise:04:12 PM Moonset: 07:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
1.3 ° C (34.4°F) |
11.1 ° C (52°F) |
6 ° C (42.9°F) |
% 51 | 0% | 3 | Sunrise:08:07 AM Sunset: 05:13 PM |
Moonrise:05:30 PM Moonset: 08:44 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Partly Cloudy |
-3.3 ° C (26.1°F) |
5.2 ° C (41.3°F) |
-0.2 ° C (31.6°F) |
% 54 | 0% | 2 | Sunrise:08:07 AM Sunset: 05:14 PM |
Moonrise:06:51 PM Moonset: 09:27 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Sunny |
-3.1 ° C (26.5°F) |
6.1 ° C (43°F) |
1.1 ° C (34°F) |
% 54 | 0% | 2 | Sunrise:08:07 AM Sunset: 05:15 PM |
Moonrise:08:09 PM Moonset: 10:00 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Partly Cloudy |
2.1 ° C (35.8°F) |
6.9 ° C (44.4°F) |
4 ° C (39.1°F) |
% 68 | 0% | 2 | Sunrise:08:06 AM Sunset: 05:16 PM |
Moonrise:09:23 PM Moonset: 10:25 AM Moon Phase ( Waning Gibbous ) |
|
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