Fairfax Weather Forecast 15 Days, Weather in Fairfax Today
Current weather conditions and 15 day weather forecast for Fairfax, South Carolina, 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
| 14 August 2026 Friday 30.6 ° C / 87.1°F  Clear |
Feels Like : 34.5 ° C / 94.1°F Humidity : % 62 Pressure : 1015 mb Wind Speed : 10.8 kmph / 6.7 miles from WSW  Visibility : 9 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Fairfax, SC, 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 Carolina 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 August 2026 Thursday | Sunny |
23.2 ° C (73.8°F) |
36.9 ° C (98.4°F) |
29.9 ° C (85.9°F) |
% 68 | 5% | 9.6 | Sunrise:06:46 AM Sunset: 08:12 PM |
Moonrise:07:25 AM Moonset: 08:48 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
25.4 ° C (77.7°F) |
39.2 ° C (102.5°F) |
31.7 ° C (89°F) |
% 57 | 4% | 9.6 | Sunrise:06:47 AM Sunset: 08:11 PM |
Moonrise:08:37 AM Moonset: 09:20 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
26.4 ° C (79.5°F) |
39 ° C (102.1°F) |
31.8 ° C (89.2°F) |
% 56 | 57% | 9.1 | Sunrise:06:48 AM Sunset: 08:10 PM |
Moonrise:09:47 AM Moonset: 09:50 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
25.4 ° C (77.7°F) |
38.3 ° C (100.9°F) |
31.1 ° C (88°F) |
% 63 | 57% | 9.2 | Sunrise:06:48 AM Sunset: 08:09 PM |
Moonrise:10:54 AM Moonset: 10:20 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
25.3 ° C (77.5°F) |
40.5 ° C (104.9°F) |
31.8 ° C (89.2°F) |
% 60 | 57% | 9.6 | Sunrise:06:49 AM Sunset: 08:08 PM |
Moonrise:12:00 PM Moonset: 10:53 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
24.7 ° C (76.4°F) |
40 ° C (104.1°F) |
30.6 ° C (87.1°F) |
% 65 | 57% | 10 | Sunrise:06:50 AM Sunset: 08:07 PM |
Moonrise:01:06 PM Moonset: 11:28 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
24.1 ° C (75.4°F) |
37.5 ° C (99.5°F) |
29.7 ° C (85.5°F) |
% 65 | 36% | 9 | Sunrise:06:50 AM Sunset: 08:06 PM |
Moonrise:02:10 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
25.8 ° C (78.4°F) |
40.3 ° C (104.5°F) |
31.7 ° C (89°F) |
% 58 | 4% | 10 | Sunrise:06:51 AM Sunset: 08:05 PM |
Moonrise:03:11 PM Moonset: 12:09 AM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
25.2 ° C (77.4°F) |
38.7 ° C (101.7°F) |
31.2 ° C (88.1°F) |
% 56 | 3% | 9 | Sunrise:06:52 AM Sunset: 08:03 PM |
Moonrise:04:08 PM Moonset: 12:54 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
23.6 ° C (74.4°F) |
39.3 ° C (102.8°F) |
31.2 ° C (88.1°F) |
% 56 | 57% | 9 | Sunrise:06:52 AM Sunset: 08:02 PM |
Moonrise:04:59 PM Moonset: 01:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday |  Partly Cloudy |
23.6 ° C (74.5°F) |
33.9 ° C (93°F) |
26.9 ° C (80.5°F) |
% 76 | 60% | 8 | Sunrise:06:53 AM Sunset: 08:01 PM |
Moonrise:05:44 PM Moonset: 02:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Partly Cloudy |
23.5 ° C (74.2°F) |
31.6 ° C (88.8°F) |
27.1 ° C (80.7°F) |
% 78 | 74% | 8 | Sunrise:06:54 AM Sunset: 08:00 PM |
Moonrise:06:22 PM Moonset: 03:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday | Partly Cloudy |
24.2 ° C (75.6°F) |
34.8 ° C (94.7°F) |
27.8 ° C (82.1°F) |
% 74 | 78% | 8 | Sunrise:06:54 AM Sunset: 07:59 PM |
Moonrise:06:55 PM Moonset: 04:36 AM Moon Phase ( Full Moon ) |
|
| 26 August 2026 Wednesday | Partly Cloudy |
23.9 ° C (75°F) |
34.3 ° C (93.7°F) |
27.7 ° C (81.8°F) |
% 75 | 73% | 8 | Sunrise:06:55 AM Sunset: 07:57 PM |
Moonrise:07:24 PM Moonset: 05:34 AM Moon Phase ( Full Moon ) |
|
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