Local weather forecast

Weather in Fairfax, SC

Updated 2026-09-26 13:30 local time · ZIP codes 29827

Sunny
Now79°F

Sunny

High / Low83° / 55°
Rain chance1%
Wind7 mph
Weather alerts

Active alerts

1
Coastal Flood Advisory issued September 26 at 2:09AM EDT until September 26 at 10:00AM EDT by NWS Charleston SC

* WHAT...Up to one half foot of inundation above ground level expected along shorelines and tidal waterways (7.3 to 7.5 feet Mean Lower Low Water at Charleston). * WHERE...Coastal Colleton and Charleston Counties. * WHEN...From 6 AM to 10 AM EDT this morning. * IMPACTS...This could result in some roads becoming impassable. * ADDITIONAL DETAILS...High tide will occur around 8:03 AM today at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide.

Safety instructions

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Visit water.weather.gov for additional water level and flood impact information.

Hourly

Next hours

NowSunny79°0% rain
2 PMSunny81°0% rain
3 PMSunny82°1% rain
4 PMPartly Cloudy83°1% rain
5 PMSunny82°1% rain
6 PMSunny80°1% rain
7 PMSunny74°0% rain
8 PMClear70°1% rain
9 PMClear68°1% rain
10 PMClear67°1% rain
11 PMClear65°1% rain
12 AMPartly Cloudy64°2% rain
Forecast

3-day weather forecast

Today2026-09-26
Sunny
83° 55°Sunny
Rain 1%Gust 8 mph
Tomorrow2026-09-27
Sunny
86° 58°Sunny
Rain 3%Gust 9 mph
Monday2026-09-28
Sunny
88° 61°Sunny
Rain 4%Gust 7 mph
Conditions

Weather details

Feels like72°F
Humidity18%
Pressure29.99 inHg
Visibility6 mi
Wind7 mph N
Wind gusts9 mph
Precipitation0.00 in
UV index7
Daylight

Sunrise, sunset and moon

Sunrise07:15 AM
Sunset07:16 PM
Moonrise07:10 PM
Moon phaseFull Moon
Next 24 hours

Key weather changes ahead

Warmest hour4 PM · 83°F
Coolest hour7 AM · 58°F
Highest rain chance10 AM · 9%
Strongest gusts1 PM · 11 mph
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 2%).

Light layers should work

It feels like 72°F with winds near 7 mph.

Best window: 8 PM

70°F, 1% rain chance and 3 mph wind.

Driving conditions look generally normal

Visibility is around 6 mi; gusts may reach 9 mph.

Run with a few weather adjustments

Current temperature is 79°F, wind 7 mph, rain chance up to 2%.

High UV protection needed

UV index is 7. Sunscreen, shade and protective clothing are recommended.

Local weather characteristics in Fairfax

South Carolina has hot humid summers and generally mild winters. Coastal areas are exposed to tropical systems, while the northwest is somewhat cooler with elevation.

Fairfax is part of the South weather region. The forecast point is near 32.96°N latitude and 81.24°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.

Fairfax weather today

Sunny and 79°F in Fairfax, SC. Today's high is 83°F with a 1% rain chance. Winds are around 7 mph with gusts near 9 mph. Relative humidity is 18%, pressure is 29.99 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Fairfax

Sunrise is at 07:15 AM and sunset is at 07:16 PM. Tomorrow's forecast calls for Sunny with a high near 86°F and a low near 58°F. The maximum rain chance is 3%.

Nearby

Weather near Fairfax

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