New York, NY 77° Los Angeles, CA 65° 🌤️ Chicago, IL 🌤️ Houston, TX 🌤️ Miami, FL 🌤️ Phoenix, AZ 🌤️ Seattle, WA Denver, CO 73° 🌤️ Toronto, ON 🌤️ Vancouver, BC
WeatherLiveSouth CarolinaFairfax

Fairfax, SC Weather (29827)

Current WeatherFairfax · 10:15 AM EDT
105° | 78°
86°F
Feels like 93°
Mostly cloudy
WindW 9 mph · Gusts 12 mph
Precip17% · 0.01 in
Humidity66% · Dew point 73°
UV index9 Very high
Air Quality49 Good
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:50 AM · 8:07 PM · 13h 17m

Weather map — Fairfax

Full radar →
Now
86°
16%
9 mph
11:00
89°
15%
9 mph
12:00
92°
11%
9 mph
13:00
95°
3%
9 mph
14:00
103°
1%
10 mph
15:00
104°
2%
9 mph
16:00
105°
7%
11 mph
17:00
102°
9%
14 mph
18:00
99°
9%
7 mph
19:00
97°
3%
6 mph
20:00
96°
22%
9 mph
21:00
93°
3%
4 mph
22:00
88°
2%
3 mph
23:00
85°
3%
2 mph
00:00
84°
5%
2 mph
01:00
84°
2%
3 mph
02:00
83°
1%
7 mph
03:00
81°
1%
7 mph
04:00
79°
11%
7 mph
05:00
78°
13%
6 mph
06:00
77°
11%
6 mph
07:00
76°
4%
7 mph
08:00
79°
3%
6 mph
09:00
84°
2%
8 mph

Today · Tue 8/18

High 105°
17% / 0.01 in

Mostly cloudy. Winds W at 14 mph.

Tonight · Tue 8/18

Low 76°
3% / –

Partly cloudy. Winds NW at 4 mph.

Tomorrow · Wed 8/19

102° | 76°
3% / –

Sunny. Winds W at 9 mph.

7-day trend

Fairfax · temperature + precipitation

10-day forecast

Updated 10:15 AM

Details & indices

Wind
9 mph W
Gusts 12 mph
Humidity
66%
Dew point 73°
Pressure
29.91 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Good
AQI 49 · US EPA
Allergy
Very high
Grass
Visibility
6 mi
Clear view
Allergy — Fairfax

🌿 Conditions right now

View all →
Birch
None
Grass
High
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Moderate

Sun & moon

Sunrise6:50 AM
Sunset8:07 PM
Length of day13h 17m
Moonrise12:53 PM
Moonset11:20 PM
Next full moonAug 28 Sturgeon Moon
Latitude32.9590°N
Longitude-81.2365°E

Water temps nearby

View all →
Hilton Head Island (62 mi)88°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Columbia
Mostly cloudy
80°
Data sources · Tuesday, August 18
Where the Fairfax forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 32.9590°N, -81.2365°.
NBM + global weather models
Updated: 10:15 AM
Weather in Fairfax
Over the next 10 days Fairfax tops out around 106° (Thursday) and dips to 73° on the coolest night (Saturday). Roughly 0.55 in of rain falls over the period, with Wednesday the most likely wet day (70%). Wind is the one to watch: gusts to 29 mph around Saturday. No active NWS alerts at the moment — quiet on the hazards front. Right now Fairfax is running about 9° warmer than Macon. Longer view: humid-subtropical — long summers, mild winters, spring storm season.
Fairfax, SC · Elev 138 ft · 32.96°N, 81.24°W · South Carolina · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 10:15 AM