Rockville, SC Weather Forecast

Local 7-day forecast

81°

Mostly Clear

Track current conditions, temperature changes, wind, and the full daily outlook for Rockville, SC in one place.

Saturday, July 18, 2026

Wind: 6 mph S

Overnight

Mostly clear, with a low around 81. South wind around 6 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Rockville, SC is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 18, 2026 6:55 AM EDT.

The active forecast window currently covers Jul 18 to Jul 24, 2026 for Rockville, SC.

Page Snapshot

Page focus: city weather
Forecast window: Jul 18 to Jul 24, 2026
Latest sync: Jul 18, 2026 6:55 AM EDT
Forecast office: CHS
Source: NOAA / NWS

Next High

91°F

Saturday

Next Low

81°F

Overnight

Rain Outlook

Periods mentioning precipitation

Windiest

10 to 18 mph

Tuesday

Daily Outlook

Today

Jul 18

Sunny

91 °F

/ 81°F

Wind 6 to 16 mph

Sun

Jul 19

Sunny

91 °F

/ 80°F

Wind 10 to 17 mph

Mon

Jul 20

Slight Chance Showers And Thunderstorms

90 °F

/ 80°F

Wind 8 to 15 mph

Tue

Jul 21

Chance Showers And Thunderstorms

90 °F

/ 81°F

Wind 10 to 18 mph

Wed

Jul 22

Slight Chance Showers And Thunderstorms

91 °F

/ 78°F

Wind 14 to 18 mph

Thu

Jul 23

Showers And Thunderstorms Likely

89 °F

/ 78°F

Wind 12 mph

Fri

Jul 24

Chance Showers And Thunderstorms

88 °F

Wind 6 to 12 mph

This Week in Rockville

Saturday looks like the warmest upcoming period in Rockville at 91 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 78 degrees F.

The strongest winds are forecast for Tuesday at about 10 to 18 mph SW.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated: Jul 18, 2026 6:55 AM EDT
Coverage: 7 days
Time zone: America/New_York
Forecast office: CHS
Radar station: KCLX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday

Jul 18

91°F

Sunny

6 to 16 mph S

Sunny, with a high near 91. Heat index values as high as 108. South wind 6 to 16 mph, with gusts as high as 24 mph.

Saturday Night

Jul 18

81°F

Mostly Clear

10 to 16 mph SW

Mostly clear, with a low around 81. Heat index values as high as 105. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.

Sunday

Jul 19

91°F

Sunny

10 to 17 mph SW

Sunny, with a high near 91. Heat index values as high as 108. Southwest wind 10 to 17 mph, with gusts as high as 26 mph.

Sunday Night

Jul 19

80°F

Mostly Clear then Slight Chance Showers And Thunderstorms

9 to 17 mph SW

A slight chance of showers and thunderstorms after 2am. Mostly clear, with a low around 80. Southwest wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Monday

Jul 20

90°F

Slight Chance Showers And Thunderstorms

8 to 15 mph SW

A slight chance of showers and thunderstorms. Sunny, with a high near 90. Chance of precipitation is 20%.

Monday Night

Jul 20

80°F

Chance Showers And Thunderstorms

10 to 14 mph S

A chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 40%.

Tuesday

Jul 21

90°F

Chance Showers And Thunderstorms

10 to 18 mph SW

A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.

Tuesday Night

Jul 21

81°F

Chance Showers And Thunderstorms

14 to 17 mph SW

A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 30%.

Wednesday

Jul 22

91°F

Slight Chance Showers And Thunderstorms

14 to 18 mph SW

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 20%.

Wednesday Night

Jul 22

78°F

Chance Showers And Thunderstorms

10 to 17 mph SW

A chance of showers and thunderstorms before 2am, then showers and thunderstorms likely. Partly cloudy, with a low around 78. Chance of precipitation is 60%.

Thursday

Jul 23

89°F

Showers And Thunderstorms Likely

12 mph SW

Showers and thunderstorms likely before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.

Thursday Night

Jul 23

78°F

Showers And Thunderstorms Likely

6 to 12 mph SE

Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely between 8pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 78. Chance of precipitation is 60%.

Friday

Jul 24

88°F

Chance Showers And Thunderstorms

6 to 12 mph E

A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 50%.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Overnight Jul 18	Mostly Clear	81°F	6 mph S	Mostly clear, with a low around 81. South wind around 6 mph.
Saturday Jul 18	Sunny	91°F	6 to 16 mph S	Sunny, with a high near 91. Heat index values as high as 108. South wind 6 to 16 mph, with gusts as high as 24 mph.
Saturday Night Jul 18	Mostly Clear	81°F	10 to 16 mph SW	Mostly clear, with a low around 81. Heat index values as high as 105. Southwest wind 10 to 16 mph, with gusts as high as...
Sunday Jul 19	Sunny	91°F	10 to 17 mph SW	Sunny, with a high near 91. Heat index values as high as 108. Southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Sunday Night Jul 19	Mostly Clear then Slight Chance Showers And Thunderstorms	80°F	9 to 17 mph SW	A slight chance of showers and thunderstorms after 2am. Mostly clear, with a low around 80. Southwest wind 9 to 17 mph,...
Monday Jul 20	Slight Chance Showers And Thunderstorms	90°F	8 to 15 mph SW	A slight chance of showers and thunderstorms. Sunny, with a high near 90. Chance of precipitation is 20%.
Monday Night Jul 20	Chance Showers And Thunderstorms	80°F	10 to 14 mph S	A chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 40%.
Tuesday Jul 21	Chance Showers And Thunderstorms	90°F	10 to 18 mph SW	A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Tuesday Night Jul 21	Chance Showers And Thunderstorms	81°F	14 to 17 mph SW	A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 30%.
Wednesday Jul 22	Slight Chance Showers And Thunderstorms	91°F	14 to 18 mph SW	A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
Wednesday Night Jul 22	Chance Showers And Thunderstorms	78°F	10 to 17 mph SW	A chance of showers and thunderstorms before 2am, then showers and thunderstorms likely. Partly cloudy, with a low aroun...
Thursday Jul 23	Showers And Thunderstorms Likely	89°F	12 mph SW	Showers and thunderstorms likely before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 89. C...
Thursday Night Jul 23	Showers And Thunderstorms Likely	78°F	6 to 12 mph SE	Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely between 8pm and 2am, then a chance of...
Friday Jul 24	Chance Showers And Thunderstorms	88°F	6 to 12 mph E	A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 50%.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Rockville.

Region Links

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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.