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4th of July forecast: Will you need sunglasses or a raincoat? Click here to find out Chevron right

Harbour Island, FL

77°F
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Winter Center
Today Hourly

Daily

 Radar MinuteCast Monthly Air Quality Health & Activities

June 30 - August 13

Mon 6/30

87° /74°
65%
Mostly cloudy with a couple of thunderstorms this afternoon

RealFeel®94°

RealFeel Shade™90°

Max UV Index5 (Moderate)

WindSSW 7 mph

Tue 7/1

88° /76°
88%
Periods of clouds and sun with a couple of showers and a thunderstorm

RealFeel®99°

RealFeel Shade™92°

Max UV Index12 (Extreme)

WindSSW 8 mph

Wed 7/2

88° /77°
49%
Cloudy with a stray thunderstorm

RealFeel®98°

RealFeel Shade™93°

Max UV Index7 (High)

WindSSW 9 mph

Thu 7/3

84° /74°
89%
Cloudy with a couple of heavy thunderstorms in the afternoon

RealFeel®93°

RealFeel Shade™90°

Max UV Index4 (Moderate)

WindWSW 7 mph

Fri 7/4

86° /73°
95%
Cloudy with a couple of showers and a heavy thunderstorm; tropical downpours can impact outdoor plans

RealFeel®96°

RealFeel Shade™92°

Max UV Index3 (Moderate)

WindS 6 mph

Sat 7/5

88° /74°
86%
A thick cloud cover with a couple of thunderstorms in the afternoon

RealFeel®96°

RealFeel Shade™94°

Max UV Index3 (Moderate)

WindSSE 7 mph

Sun 7/6

87° /73°
58%
Intervals of clouds and sunshine with a thunderstorm; humid

RealFeel®98°

RealFeel Shade™93°

Max UV Index8 (Very High)

WindSSW 7 mph

Mon 7/7

89° /74°
57%
Partly sunny; a morning thunderstorm in parts of the area followed by a couple of showers in the afternoon

RealFeel®99°

RealFeel Shade™96°

Max UV Index11 (Extreme)

WindSW 4 mph

Tue 7/8

89° /77°
43%
Cloudy; a shower in spots in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®98°

RealFeel Shade™98°

Max UV Index5 (Moderate)

WindWNW 2 mph

Wed 7/9

91° /76°
65%
Periods of rain

RealFeel®99°

RealFeel Shade™95°

Max UV Index6 (High)

WindS 4 mph

Thu 7/10

89° /78°
63%
Periods of rain

RealFeel®98°

RealFeel Shade™96°

Max UV Index8 (Very High)

WindSSE 6 mph

Fri 7/11

91° /77°
56%
Mostly cloudy with a touch of rain

RealFeel®98°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindS 7 mph

Sat 7/12

90° /76°
55%
Mostly cloudy with a touch of rain

RealFeel®95°

RealFeel Shade™92°

Max UV Index8 (Very High)

WindSW 8 mph

Sun 7/13

89° /77°
65%
Clouds and breaks of sun with a couple of showers and a thunderstorm in the afternoon

RealFeel®100°

RealFeel Shade™98°

Max UV Index11 (Extreme)

WindSW 4 mph

Mon 7/14

88° /78°
40%
Humid with intervals of clouds and sunshine; a thundershower in spots in the afternoon

RealFeel®98°

RealFeel Shade™96°

Max UV Index8 (Very High)

WindWNW 2 mph

Tue 7/15

88° /78°
40%
Intervals of clouds and sunshine with a thundershower in spots; humid

RealFeel®98°

RealFeel Shade™96°

Max UV Index8 (Very High)

WindN 4 mph

Wed 7/16

89° /77°
20%
Sunshine and a few clouds

RealFeel®101°

RealFeel Shade™98°

Max UV Index12 (Extreme)

WindNE 4 mph

Thu 7/17

88° /77°
20%
Partly sunny

RealFeel®100°

RealFeel Shade™96°

Max UV Index11 (Extreme)

WindSE 2 mph

Fri 7/18

88° /78°
25%
Mostly cloudy

RealFeel®97°

RealFeel Shade™97°

Max UV Index4 (Moderate)

WindSSE 6 mph

Sat 7/19

89° /79°
56%
A passing shower in the morning; otherwise, humid with times of clouds and sun

RealFeel®99°

RealFeel Shade™96°

Max UV Index6 (High)

WindSW 6 mph

Sun 7/20

88° /79°
57%
A passing shower in the morning; otherwise, partly sunny

RealFeel®99°

RealFeel Shade™95°

Max UV Index12 (Extreme)

WindW 7 mph

Mon 7/21

88° /78°
39%
Mostly sunny and humid; a thunderstorm in spots in the afternoon

RealFeel®100°

RealFeel Shade™96°

Max UV Index12 (Extreme)

WindW 7 mph

Tue 7/22

89° /79°
55%
Humid with a blend of sun and clouds; a passing thunderstorm in the afternoon

RealFeel®100°

RealFeel Shade™97°

Max UV Index8 (Very High)

WindWSW 6 mph

Wed 7/23

88° /79°
25%
Rather cloudy and humid

RealFeel®98°

RealFeel Shade™96°

Max UV Index5 (Moderate)

WindSW 7 mph

Thu 7/24

88° /78°
65%
Mostly cloudy with a couple of showers and a thunderstorm in the afternoon

RealFeel®98°

RealFeel Shade™95°

Max UV Index5 (Moderate)

WindW 7 mph

Fri 7/25

86° /79°
70%
A thick cloud cover with showers and thunderstorms in the afternoon

RealFeel®95°

RealFeel Shade™94°

Max UV Index3 (Moderate)

WindWSW 6 mph

Sat 7/26

86° /77°
61%
Considerable cloudiness with a couple of showers and a thunderstorm

RealFeel®94°

RealFeel Shade™93°

Max UV Index3 (Moderate)

WindSW 7 mph

Sun 7/27

88° /78°
65%
Remaining cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®98°

RealFeel Shade™98°

Max UV Index3 (Moderate)

WindS 5 mph

Mon 7/28

88° /78°
25%
Mostly cloudy

RealFeel®98°

RealFeel Shade™97°

Max UV Index5 (Moderate)

WindSSE 4 mph

Tue 7/29

89° /77°
64%
A couple of morning showers; otherwise, cloudy

RealFeel®99°

RealFeel Shade™98°

Max UV Index4 (Moderate)

WindSSW 5 mph

Wed 7/30

88° /78°
57%
Cloudy with a couple of thunderstorms

RealFeel®96°

RealFeel Shade™96°

Max UV Index3 (Moderate)

WindW 7 mph

Thu 7/31

88° /79°
65%
Humid with clouds and sun; a couple of afternoon showers and a thunderstorm

RealFeel®99°

RealFeel Shade™98°

Max UV Index7 (High)

WindWSW 5 mph

Fri 8/1

89° /79°
55%
Partly sunny and humid; an afternoon thunderstorm

RealFeel®102°

RealFeel Shade™98°

Max UV Index12 (Extreme)

WindWSW 6 mph

Sat 8/2

87° /78°
70%
Cloudy and humid; periods of rain in the afternoon

RealFeel®96°

RealFeel Shade™96°

Max UV Index3 (Moderate)

WindWSW 8 mph

Sun 8/3

88° /79°
40%
Periods of clouds and sunshine with a thundershower in spots

RealFeel®99°

RealFeel Shade™97°

Max UV Index12 (Extreme)

WindSW 5 mph

Mon 8/4

88° /78°
64%
Considerable cloudiness with a couple of showers and a thunderstorm in the afternoon

RealFeel®98°

RealFeel Shade™97°

Max UV Index5 (Moderate)

WindSW 5 mph

Tue 8/5

89° /79°
25%
Mostly sunny

RealFeel®101°

RealFeel Shade™96°

Max UV Index11 (Extreme)

WindSW 4 mph

Wed 8/6

88° /78°
25%
Some sunshine

RealFeel®99°

RealFeel Shade™95°

Max UV Index8 (Very High)

WindW 1 mph

Thu 8/7

88° /79°
20%
Sunny to partly cloudy

RealFeel®100°

RealFeel Shade™94°

Max UV Index11 (Extreme)

WindNW 2 mph

Fri 8/8

89° /79°
25%
Times of clouds and sun

RealFeel®98°

RealFeel Shade™95°

Max UV Index5 (Moderate)

WindSE 2 mph

Sat 8/9

88° /78°
40%
Partly sunny with a thundershower in spots in the afternoon

RealFeel®99°

RealFeel Shade™97°

Max UV Index7 (High)

WindSSE 4 mph

Sun 8/10

88° /79°
25%
Partly sunny

RealFeel®100°

RealFeel Shade™98°

Max UV Index11 (Extreme)

WindE 4 mph

Mon 8/11

90° /77°
56%
Partly sunny with a couple of showers

RealFeel®99°

RealFeel Shade™96°

Max UV Index7 (High)

WindE 9 mph

Tue 8/12

90° /78°
63%
Partly sunny with a couple of showers

RealFeel®100°

RealFeel Shade™98°

Max UV Index11 (Extreme)

WindESE 7 mph

Wed 8/13

91° /77°
57%
Periods of clouds and sunshine with a couple of showers and a thunderstorm

RealFeel®102°

RealFeel Shade™99°

Max UV Index10 (Very High)

WindSW 6 mph

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World North America United States Florida Harbour Island

Weather Near Harbour Island:

  • Clearwater, FL
  • St. Petersburg, FL
  • Tampa, FL
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