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
| 11 February 2026 Wednesday -4.9 ° C / 23.2°F  Clear |
Feels Like : -9.1 ° C / 15.7°F Humidity : % 83 Pressure : 1025 mb Wind Speed : 9.7 kmph / 6 miles from SSW  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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 February 2026 Wednesday |  Partly Cloudy |
-1.2 ° C (29.8°F) |
10.8 ° C (51.4°F) |
3.3 ° C (38°F) |
% 54 | 0% | 0.5 | Sunrise:07:38 AM Sunset: 06:01 PM |
Moonrise:03:51 AM Moonset: 12:10 PM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday |  Moderate rain |
1.6 ° C (34.9°F) |
7.7 ° C (45.9°F) |
3.9 ° C (39°F) |
% 78 | 83% | 0.5 | Sunrise:07:37 AM Sunset: 06:02 PM |
Moonrise:04:47 AM Moonset: 01:00 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Partly Cloudy |
-4.1 ° C (24.6°F) |
14.5 ° C (58.1°F) |
4 ° C (39.2°F) |
% 78 | 0% | 0.4 | Sunrise:07:36 AM Sunset: 06:04 PM |
Moonrise:05:36 AM Moonset: 01:59 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Sunny |
3.2 ° C (37.8°F) |
15.2 ° C (59.4°F) |
9.2 ° C (48.6°F) |
% 55 | 0% | 0.5 | Sunrise:07:34 AM Sunset: 06:05 PM |
Moonrise:06:17 AM Moonset: 03:04 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Sunny |
4.3 ° C (39.8°F) |
16.7 ° C (62°F) |
8.1 ° C (46.6°F) |
% 44 | 0% | 0 | Sunrise:07:33 AM Sunset: 06:06 PM |
Moonrise:06:50 AM Moonset: 04:14 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Sunny |
9.5 ° C (49.1°F) |
17.8 ° C (64.1°F) |
12.5 ° C (54.5°F) |
% 56 | 0% | 4 | Sunrise:07:31 AM Sunset: 06:08 PM |
Moonrise:07:18 AM Moonset: 05:25 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Sunny |
8.4 ° C (47.1°F) |
22.6 ° C (72.6°F) |
13.4 ° C (56°F) |
% 55 | 0% | 4 | Sunrise:07:30 AM Sunset: 06:09 PM |
Moonrise:07:42 AM Moonset: 06:36 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Sunny |
6.9 ° C (44.4°F) |
13.4 ° C (56.1°F) |
10.6 ° C (51.1°F) |
% 44 | 0% | 4 | Sunrise:07:28 AM Sunset: 06:10 PM |
Moonrise:08:03 AM Moonset: 07:48 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Partly Cloudy |
3.8 ° C (38.9°F) |
13.6 ° C (56.4°F) |
7.4 ° C (45.3°F) |
% 65 | 0% | 3 | Sunrise:07:27 AM Sunset: 06:12 PM |
Moonrise:08:23 AM Moonset: 09:00 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday |  Patchy rain nearby |
-0.6 ° C (30.9°F) |
5 ° C (41.1°F) |
1.5 ° C (34.8°F) |
% 62 | 84% | 1 | Sunrise:07:25 AM Sunset: 06:13 PM |
Moonrise:08:43 AM Moonset: 10:14 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Sunny |
-1.6 ° C (29.1°F) |
12.5 ° C (54.6°F) |
5 ° C (41.1°F) |
% 50 | 0% | 3 | Sunrise:07:24 AM Sunset: 06:14 PM |
Moonrise:09:06 AM Moonset: 11:30 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Patchy rain nearby |
3.7 ° C (38.6°F) |
13.7 ° C (56.6°F) |
8.5 ° C (47.3°F) |
% 57 | 87% | 2 | Sunrise:07:22 AM Sunset: 06:15 PM |
Moonrise:09:33 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 23 February 2026 Monday | Partly Cloudy |
-4.1 ° C (24.6°F) |
1.4 ° C (34.6°F) |
-1.7 ° C (28.9°F) |
% 51 | 0% | 2 | Sunrise:07:21 AM Sunset: 06:17 PM |
Moonrise:10:05 AM Moonset: 12:48 AM Moon Phase ( Waxing Crescent ) |
|
| 24 February 2026 Tuesday | Sunny |
-7.6 ° C (18.3°F) |
3.7 ° C (38.7°F) |
-2.9 ° C (26.8°F) |
% 46 | 0% | 2 | Sunrise:07:19 AM Sunset: 06:18 PM |
Moonrise:10:47 AM Moonset: 02:06 AM Moon Phase ( First Quarter ) |
|
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