Weather WorldEffingham, SC Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Effingham Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY |
 |  | |  | | | | | | | |
| Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Mostly Sunny |
| Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 643 AM EDT Sun Sep 13 2026 
Effingham Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Effingham Weather Map
Effingham Quick Facts
Effingham Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 647 AM EDT Sun Sep 13 2026
Key Messages
1) Deep Gulf moisture and a break in the ridge aloft will maintain some chances for showers and thunderstorms today.
2) A modified Canadian airmass will bring cooler temperatures and drier conditions to the area beginning Tuesday.
Discussion
... KEY MESSAGE 1...Deep Gulf moisture and a break in the ridge aloft will maintain some chances for showers and thunderstorms today.
After a quick initial round of some showers and isolated thunderstorms early this morning trends continue to suggest...