Sunnyside Park, SC Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Sunnyside Park Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear |
| Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C |
| POP: 30% | POP: 30% | POP: 50% | POP: 50% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 557 AM EDT Tue Aug 18 2026 

Sunnyside Park Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Sunnyside Park Weather Map
Sunnyside Park Quick Facts
Sunnyside Park Forecast Discussion
Issued: 638 AM EDT Tue Aug 18 2026
Key Messages
1. Hot and muggy conditions continue for most of the week, but subside just enough that no heat advisory is necessary for Tuesday. A pattern change may be in store for this weekend. 2. Following a few days of suppressed convection, diurnal showers and thunderstorms return by Thursday and persist through the weekend. A cold front may further enhance storm activity over the weekend.
Discussion
... Key message 1: Hot and muggy conditions continue for most of ...
Weather World