WXSIM Forecast for: Greer
Issued by: UpstateWeather.com
Updated: Thursday, 27-Aug-2026 12:00 pm
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Chance rain
Chance rain
Friday

Chance rain
Chance rain
Friday
night
Chance rain
Chance rain
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Thunder storm
Thunder storm
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
.1 in. .1 in. .1 in. <.1 in. <.1 in.
High: 91° Low: 72° High: 84° Low: 72° High: 81° Low: 72° High: 85° Low: 70°
Heat: 96°              
SSW
3
mph
Light air
SSW→W
calm

Calm
ESE→S
2
mph
Light air
W→N
3
mph
Light air
NNE→ESE
3
mph
Light air
ESE→N
calm

Calm
NNE→SSW
2
mph
Light air
SW→W
calm

Calm
UV: 6
 High 
UV: 6
 High 

 

This afternoon
 
Mostly cloudy. Hot. High 91°. Heat index up to 96°. UV index up to 6. Wind south-southwest around 3 mph.
Tonight
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain. Precipitation showery or intermittent. Low 72°. Wind south-southwest near calm in the evening, becoming west after midnight. Chance of precipitation 50 percent. Precipitation mostly around a tenth of an inch.
Friday
 
Mostly cloudy to cloudy. Patchy light fog in the morning. A chance of rain. Precipitation showery or intermittent. High 84°. UV index up to 6. Wind east-southeast around 2 mph in the morning, becoming south in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around a tenth of an inch.
Friday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Precipitation showery or intermittent. Low 72°. Wind west around 3 mph in the evening, becoming north after midnight. Chance of precipitation 50 percent. Precipitation mostly around a tenth of an inch.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. High 81°. Wind north-northeast around 3 mph in the morning, becoming east-southeast in the afternoon.
Saturday night
 
Cloudy. A chance of rain. Scattered thundershowers possible. Low 72°. Wind east-southeast near calm in the evening, becoming north after midnight. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch.
Sunday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Precipitation showery or intermittent. High 85°. Wind north-northeast around 2 mph in the morning, becoming south-southwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Sunday night
 
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 70°. Wind southwest near calm in the evening, becoming west after midnight.

WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.