Weather WorldJohnson Lake, SC Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Johnson Lake Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | | | | | | |  |  | | |
| Partly Sunny | Mostly Cloudy | Partly Sunny | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C |
| POP: 40% | POP: 40% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 911 AM EDT Sat Oct 31 2026 
Johnson Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Johnson Lake Weather Map
Johnson Lake Quick Facts
Johnson Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 645 AM EDT Sat Oct 31 2026
Key Messages
1) Building high pressure will bring near normal temperatures and dry/occasionally breezy conditions through early next week.
2) Rain chances should increase later next week, but forecast confidence remains low.
Discussion
... KEY MESSAGE 1... Building high pressure will bring near normal temperatures and dry/occasionally breezy conditions through early next week.
High pressure will build across the area today following an early morning cold front. Temperatures will drop to near-normal t...