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Father's Day forecast: See where thunderstorms could impact outdoor plans. Chevron right

Saint Johns, SC

86°F
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Saint Johns, SC Weather
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Winter Center
Today Hourly

Daily

 Radar MinuteCast Monthly Air Quality Health & Activities

June 13 - July 27

Fri 6/13

86° /73°
95%
A couple of brief showers late this morning followed by a couple of thunderstorms this afternoon; slow-moving downpours can lead to localized flash flooding

RealFeel®98°

RealFeel Shade™93°

Max UV Index12 (Extreme)

WindS 6 mph

Sat 6/14

85° /72°
70%
Humid with intervals of clouds and sun; a thunderstorm in the afternoon

RealFeel®95°

RealFeel Shade™91°

Max UV Index5 (Moderate)

WindSSW 7 mph

Sun 6/15

89° /71°
55%
Periods of clouds and sunshine with a thunderstorm in the afternoon; outdoor plans can be impacted on Father's Day

RealFeel®98°

RealFeel Shade™94°

Max UV Index9 (Very High)

WindSW 7 mph

Mon 6/16

89° /74°
40%
Intervals of clouds and sunshine with a thunderstorm in spots in the afternoon

RealFeel®99°

RealFeel Shade™94°

Max UV Index12 (Extreme)

WindSW 6 mph

Tue 6/17

90° /71°
45%
Cloudy most of the time with a thunderstorm in parts of the area in the afternoon

RealFeel®99°

RealFeel Shade™95°

Max UV Index7 (High)

WindSW 5 mph

Wed 6/18

89° /71°
40%
Times of clouds and sun with a thunderstorm in spots in the afternoon

RealFeel®100°

RealFeel Shade™93°

Max UV Index12 (Extreme)

WindSW 6 mph

Thu 6/19

91° /71°
25%
Sunny to partly cloudy

RealFeel®101°

RealFeel Shade™94°

Max UV Index12 (Extreme)

WindSW 6 mph

Fri 6/20

90° /72°
70%
Mostly cloudy with a couple of thunderstorms, especially late in the day

RealFeel®97°

RealFeel Shade™94°

Max UV Index3 (Moderate)

WindW 5 mph

Sat 6/21

91° /71°
0%
Plenty of sunshine

RealFeel®101°

RealFeel Shade™93°

Max UV Index12 (Extreme)

WindWNW 5 mph

Sun 6/22

91° /71°
0%
Partly sunny

RealFeel®102°

RealFeel Shade™93°

Max UV Index12 (Extreme)

WindS 4 mph

Mon 6/23

87° /71°
57%
Some sunshine giving way to clouds; a morning shower in spots followed by a little rain in the afternoon

RealFeel®97°

RealFeel Shade™89°

Max UV Index12 (Extreme)

WindSSE 4 mph

Tue 6/24

86° /69°
9%
Partly sunny

RealFeel®95°

RealFeel Shade™86°

Max UV Index12 (Extreme)

WindSSW 5 mph

Wed 6/25

89° /71°
38%
Intervals of clouds and sunshine with a thunderstorm in parts of the area in the afternoon

RealFeel®98°

RealFeel Shade™90°

Max UV Index12 (Extreme)

WindSW 4 mph

Thu 6/26

91° /78°
55%
Considerable cloudiness with a thunderstorm

RealFeel®96°

RealFeel Shade™93°

Max UV Index3 (Moderate)

WindW 4 mph

Fri 6/27

88° /73°
40%
Considerable cloudiness with a thunderstorm in parts of the area

RealFeel®95°

RealFeel Shade™94°

Max UV Index3 (Moderate)

WindE 4 mph

Sat 6/28

88° /72°
25%
Mostly cloudy

RealFeel®96°

RealFeel Shade™95°

Max UV Index5 (Moderate)

WindSW 2 mph

Sun 6/29

89° /73°
61%
A couple of morning showers and a thunderstorm; otherwise, cloudy

RealFeel®98°

RealFeel Shade™98°

Max UV Index3 (Moderate)

WindNW 2 mph

Mon 6/30

89° /74°
25%
Times of clouds and sun

RealFeel®98°

RealFeel Shade™96°

Max UV Index6 (High)

WindWNW 4 mph

Tue 7/1

91° /74°
58%
A couple of showers in the morning; otherwise, mostly cloudy

RealFeel®100°

RealFeel Shade™99°

Max UV Index7 (High)

WindN 4 mph

Wed 7/2

89° /73°
65%
Mostly cloudy with a couple of showers and a thunderstorm in the afternoon

RealFeel®95°

RealFeel Shade™95°

Max UV Index4 (Moderate)

WindNE 7 mph

Thu 7/3

89° /73°
25%
Mostly cloudy

RealFeel®96°

RealFeel Shade™96°

Max UV Index11 (Extreme)

WindNE 7 mph

Fri 7/4

90° /75°
10%
Sunny to partly cloudy

RealFeel®102°

RealFeel Shade™98°

Max UV Index12 (Extreme)

WindWSW 1 mph

Sat 7/5

92° /75°
10%
Mostly sunny and humid

RealFeel®102°

RealFeel Shade™99°

Max UV Index12 (Extreme)

WindSSW 6 mph

Sun 7/6

93° /74°
25%
Mostly sunny

RealFeel®102°

RealFeel Shade™99°

Max UV Index12 (Extreme)

WindSW 6 mph

Mon 7/7

91° /75°
25%
Intervals of clouds and sunshine

RealFeel®101°

RealFeel Shade™99°

Max UV Index8 (Very High)

WindSW 6 mph

Tue 7/8

90° /74°
25%
Sunny to partly cloudy

RealFeel®101°

RealFeel Shade™97°

Max UV Index12 (Extreme)

WindWSW 5 mph

Wed 7/9

92° /75°
10%
Mostly sunny

RealFeel®103°

RealFeel Shade™99°

Max UV Index12 (Extreme)

WindWSW 5 mph

Thu 7/10

93° /76°
5%
Sunny and humid

RealFeel®104°

RealFeel Shade™101°

Max UV Index12 (Extreme)

WindWSW 5 mph

Fri 7/11

94° /76°
10%
Sunshine

RealFeel®105°

RealFeel Shade™100°

Max UV Index11 (Extreme)

WindW 5 mph

Sat 7/12

95° /75°
25%
Increasing cloudiness and humid

RealFeel®105°

RealFeel Shade™105°

Max UV Index8 (Very High)

WindNNW 4 mph

Sun 7/13

94° /76°
40%
A thunderstorm in spots in the morning; otherwise, times of sun and clouds

RealFeel®105°

RealFeel Shade™102°

Max UV Index7 (High)

WindE 2 mph

Mon 7/14

91° /76°
25%
Partly sunny

RealFeel®102°

RealFeel Shade™98°

Max UV Index11 (Extreme)

WindS 6 mph

Tue 7/15

90° /75°
10%
Mostly sunny

RealFeel®101°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindSW 6 mph

Wed 7/16

93° /76°
20%
Intervals of clouds and sunshine

RealFeel®102°

RealFeel Shade™99°

Max UV Index7 (High)

WindWSW 6 mph

Thu 7/17

95° /76°
25%
Considerable cloudiness

RealFeel®104°

RealFeel Shade™104°

Max UV Index3 (Moderate)

WindSW 4 mph

Fri 7/18

93° /75°
25%
Clouds yielding to sun

RealFeel®104°

RealFeel Shade™100°

Max UV Index11 (Extreme)

WindSSW 6 mph

Sat 7/19

94° /76°
25%
Times of clouds and sun

RealFeel®104°

RealFeel Shade™101°

Max UV Index3 (Moderate)

WindSW 6 mph

Sun 7/20

94° /76°
25%
Turning cloudy

RealFeel®104°

RealFeel Shade™102°

Max UV Index11 (Extreme)

WindSW 7 mph

Mon 7/21

95° /75°
25%
Some sun, then increasing clouds

RealFeel®104°

RealFeel Shade™102°

Max UV Index8 (Very High)

WindSSW 5 mph

Tue 7/22

94° /76°
20%
Partly sunny

RealFeel®106°

RealFeel Shade™101°

Max UV Index11 (Extreme)

WindS 4 mph

Wed 7/23

93° /76°
10%
Mostly sunny

RealFeel®104°

RealFeel Shade™99°

Max UV Index11 (Extreme)

WindSSW 5 mph

Thu 7/24

94° /75°
10%
Mostly sunny

RealFeel®104°

RealFeel Shade™99°

Max UV Index11 (Extreme)

WindSW 7 mph

Fri 7/25

92° /73°
57%
Partly sunny with a couple of showers in the afternoon

RealFeel®99°

RealFeel Shade™96°

Max UV Index11 (Extreme)

WindSSW 8 mph

Sat 7/26

91° /73°
40%
Intervals of clouds and sunshine with a thunderstorm in the area

RealFeel®99°

RealFeel Shade™96°

Max UV Index11 (Extreme)

WindSW 8 mph

Sun 7/27

92° /73°
64%
Partial sunshine with a couple of thunderstorms in the afternoon

RealFeel®100°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindWSW 9 mph

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Weather Near Saint Johns:

  • Charleston, SC
  • Mount Pleasant, SC
  • North Charleston, SC
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