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Today | Weather | Wednesday, October 1, 2025
Active Weather Warnings

Weather in Mount Pleasant, South Carolina

02:24 PM
Now
Cloudy Weather
79° F
Feels Like 82°
Precipitation 0 %
Wind 10 mph
UV Index (0 - 11+) 11
Humidity 60 %
Today
Cloudy Weather
Day 81°
Night 61°
Precipitation 0 %
Wind 10 mph
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Mount Pleasant Weather Forecast Updated

40 minutes ago
Last updated on

Air quality in Mount Pleasant

NOW
56 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 10.98 µg/m³
PM10 13.44 µg/m³
O₃ 51.29 ppb
NO₂ 1.88 ppb
SO₂ 1.03 ppb
CO 184.00 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Mount Pleasant

Moderate Expected Likely

Rip Current Statement

Rip Current Statement issued October 1 at 1:10PM EDT until October 2 at 8:00PM EDT by NWS Charleston SC
Oct 1, 1:10 PM → Oct 2, 8:00 PM
WHAT: For the High Surf Advisory, large breaking waves of 5
to 6 feet in the surf zone. For the High Rip Current Risk,
dangerous rip currents.

WHERE: Coastal Colleton and Charleston Counties.

WHEN: For the High Rip Current Risk, through Thursday
evening. For the High Surf Advisory, until 8 AM EDT Saturday.

IMPACTS: Dangerous swimming and surfing conditions and
localized beach erosion. Rip currents can sweep even the best
swimmers away from shore into deeper water.
+ Read More
Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Updated: Oct 1, 1:43 PM Source: NWS Alert
Minor Expected Likely

High Surf Advisory

High Surf Advisory issued October 1 at 1:10PM EDT until October 4 at 8:00AM EDT by NWS Charleston SC
Oct 1, 1:10 PM → Oct 4, 8:00 AM
WHAT: For the High Surf Advisory, large breaking waves of 5
to 6 feet in the surf zone. For the High Rip Current Risk,
dangerous rip currents.

WHERE: Coastal Colleton and Charleston Counties.

WHEN: For the High Rip Current Risk, through Thursday
evening. For the High Surf Advisory, until 8 AM EDT Saturday.

IMPACTS: Dangerous swimming and surfing conditions and
localized beach erosion. Rip currents can sweep even the best
swimmers away from shore into deeper water.
+ Read More
Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Updated: Oct 1, 1:43 PM Source: NWS Alert