New York, NY 76° Los Angeles, CA 68° 🌤️ Chicago, IL Houston, TX 76° 🌤️ Miami, FL Phoenix, AZ 84° 🌤️ Seattle, WA 🌤️ Denver, CO Toronto, ON 72° 🌤️ Vancouver, BC
WeatherLiveSouth CarolinaWilliston

Williston, SC Weather (29853)

Current WeatherWilliston · 11:21 AM EDT
101° | 54°
94°F
Feels like 108°
Sunny
WindS 25 mph · Gusts 29 mph
Precip9% · –
Humidity65% · Dew point 80°
UV index9 Very high
Air Quality61 Moderate
Pressure30.27 inHg
Visibility6 mi
Sunrise / Sunset6:49 AM · 8:09 PM · 13h 20m

Weather map — Williston

Full radar →
Now
94°
4%
25 mph
12:00
97°
3%
26 mph
13:00
99°
2%
26 mph
14:00
101°
1%
25 mph
15:00
101°
1%
25 mph
16:00
55°
4%
24 mph
17:00
54°
15%
24 mph
18:00
54°
16%
24 mph
19:00
54°
16%
22 mph
20:00
55°
11%
21 mph
21:00
54°
5%
20 mph
22:00
54°
6%
19 mph
23:00
54°
6%
18 mph
00:00
54°
6%
17 mph
01:00
54°
6%
16 mph
02:00
54°
7%
16 mph
03:00
54°
7%
17 mph
04:00
54°
7%
17 mph
05:00
54°
7%
15 mph
06:00
54°
7%
17 mph
07:00
54°
12%
16 mph
08:00
54°
7%
16 mph
09:00
54°
7%
15 mph
10:00
54°
7%
15 mph

Today · Mon 8/17

High 101°
9% / –

Sunny. Winds S at 26 mph.

Tonight · Mon 8/17

Low 54°
5% / –

Sunny. Winds SE at 20 mph.

Tomorrow · Tue 8/18

55° | 54°
10% / –

Sunny. Winds S at 17 mph.

7-day trend

Williston · temperature + precipitation

10-day forecast

Updated 11:21 AM

Details & indices

Wind
25 mph S
Gusts 29 mph
Humidity
65%
Dew point 80°
Pressure
30.27 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Moderate
AQI 61 · US EPA
Allergy
Very high
Grass
Visibility
6 mi
Clear view
Allergy — Williston

🌿 Conditions right now

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

Sun & moon

Sunrise6:49 AM
Sunset8:09 PM
Length of day13h 20m
Moonrise11:54 AM
Moonset10:48 PM
Next full moonAug 28 Sturgeon Moon
Latitude33.4027°N
Longitude-81.4201°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️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
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Poor
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Columbia
Data sources · Monday, August 17
Where the Williston 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: 33.4027°N, -81.4201°.
NBM + global weather models
Updated: 11:21 AM
ZIP codes in Williston
📮
29137
Williston
📮
29164
Williston
📮
29826
Williston
📮
29853
Williston
📮
29856
Williston
Weather in Williston
Over the next 10 days Williston tops out around 101° (Monday) and dips to 54° on the coolest night (Tuesday). Roughly 0.26 in of rain falls over the period, with Tuesday the most likely wet day (82%). Hold onto the patio furniture Tuesday: gusts could hit 38 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now Williston is running about 18° warmer than Columbia. Longer view: humid-subtropical — long summers, mild winters, spring storm season.
Williston, SC · Elev 354 ft · 33.40°N, 81.42°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: 11:21 AM