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Frenzy of tropical storms looming off Southeast coast for late September. Get the forecast. Chevron right
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Post Harbour Island, FL

94°F
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Post Harbour Island

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Post Harbour Island, FL Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today Hourly

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 Radar MinuteCast® Monthly Air Quality Health & Activities

September 24 - November 7

Wed 9/24

94° /75°
55%
Hot and humid with sun and clouds; a thunderstorm in spots this afternoon; danger of dehydration and heatstroke if outside for extended periods of time

RealFeel®109°

RealFeel Shade™101°

Max UV Index8.0 (Very High)

WindS 4 mph

Thu 9/25

93° /75°
55%
Mostly sunny, hot and humid with a stray thunderstorm; possible danger of dehydration and heatstroke while doing strenuous activities

RealFeel®106°

RealFeel Shade™98°

Max UV Index8.0 (Very High)

WindSW 6 mph

Fri 9/26

90° /76°
55%
Sunshine and some clouds with a thunderstorm; humid

RealFeel®101°

RealFeel Shade™95°

Max UV Index7.0 (High)

WindSW 6 mph

Sat 9/27

87° /75°
55%
Humid with variable cloudiness; a stray afternoon thunderstorm

RealFeel®96°

RealFeel Shade™93°

Max UV Index3.0 (Moderate)

WindSW 5 mph

Sun 9/28

88° /74°
25%
Partly sunny and humid

RealFeel®102°

RealFeel Shade™93°

Max UV Index7.0 (High)

WindN 5 mph

Mon 9/29

89° /76°
3%
Partly sunny and humid

RealFeel®99°

RealFeel Shade™92°

Max UV Index7.0 (High)

WindNW 8 mph

Tue 9/30

91° /74°
25%
Mostly sunny and humid

RealFeel®96°

RealFeel Shade™91°

Max UV Index7.0 (High)

WindWNW 9 mph

Wed 10/1

87° /75°
63%
Partly sunny; a couple of morning showers followed by a couple of thunderstorms in the afternoon

RealFeel®94°

RealFeel Shade™91°

Max UV Index6.0 (High)

WindNE 7 mph

Thu 10/2

89° /74°
57%
Variable clouds with a couple of showers, mainly later

RealFeel®89°

RealFeel Shade™87°

Max UV Index5.0 (Moderate)

WindENE 14 mph

Fri 10/3

88° /75°
66%
Cloudy with a couple of showers

RealFeel®91°

RealFeel Shade™90°

Max UV Index2.0 (Low)

WindENE 12 mph

Sat 10/4

87° /73°
70%
Mostly cloudy with periods of rain in the afternoon

RealFeel®96°

RealFeel Shade™95°

Max UV Index5.0 (Moderate)

WindNE 2 mph

Sun 10/5

89° /74°
56%
Mainly cloudy; a shower in spots in the morning followed by a little rain in the afternoon

RealFeel®101°

RealFeel Shade™100°

Max UV Index2.0 (Low)

WindNNE 1 mph

Mon 10/6

88° /75°
58%
Rather cloudy and humid; a little afternoon rain

RealFeel®102°

RealFeel Shade™95°

Max UV Index6.0 (High)

WindNE 2 mph

Tue 10/7

89° /71°
10%
Sunny and uncomfortably humid

RealFeel®100°

RealFeel Shade™96°

Max UV Index6.0 (High)

WindNE 8 mph

Wed 10/8

84° /72°
20%
Mostly sunny

RealFeel®94°

RealFeel Shade™86°

Max UV Index6.0 (High)

WindN 5 mph

Thu 10/9

85° /73°
10%
Mostly sunny and humid

RealFeel®94°

RealFeel Shade™86°

Max UV Index6.0 (High)

WindW 5 mph

Fri 10/10

86° /73°
5%
Sunshine

RealFeel®93°

RealFeel Shade™87°

Max UV Index6.0 (High)

WindNW 5 mph

Sat 10/11

86° /71°
10%
Sunshine

RealFeel®89°

RealFeel Shade™84°

Max UV Index6.0 (High)

WindNW 7 mph

Sun 10/12

85° /68°
25%
Less humid with a blend of sun and clouds

RealFeel®83°

RealFeel Shade™82°

Max UV Index2.0 (Low)

WindN 9 mph

Mon 10/13

83° /71°
25%
Cloudy

RealFeel®81°

RealFeel Shade™81°

Max UV Index2.0 (Low)

WindNE 10 mph

Tue 10/14

84° /73°
25%
Cloudy and humid

RealFeel®85°

RealFeel Shade™85°

Max UV Index2.0 (Low)

WindENE 12 mph

Wed 10/15

83° /72°
25%
Humid with a thick cloud cover

RealFeel®89°

RealFeel Shade™89°

Max UV Index1.0 (Low)

WindNNE 5 mph

Thu 10/16

83° /72°
25%
Continued cloudy and humid

RealFeel®90°

RealFeel Shade™90°

Max UV Index1.0 (Low)

WindNNE 4 mph

Fri 10/17

85° /71°
25%
Mostly cloudy and humid

RealFeel®89°

RealFeel Shade™89°

Max UV Index2.0 (Low)

WindNE 6 mph

Sat 10/18

83° /71°
5%
Brilliant sunshine

RealFeel®86°

RealFeel Shade™83°

Max UV Index5.0 (Moderate)

WindNE 7 mph

Sun 10/19

83° /68°
20%
Mostly sunny

RealFeel®87°

RealFeel Shade™81°

Max UV Index5.0 (Moderate)

WindNE 7 mph

Mon 10/20

84° /65°
20%
Less humid with plenty of sunshine

RealFeel®88°

RealFeel Shade™82°

Max UV Index5.0 (Moderate)

WindNE 5 mph

Tue 10/21

83° /66°
20%
Partly sunny

RealFeel®85°

RealFeel Shade™81°

Max UV Index5.0 (Moderate)

WindSSE 4 mph

Wed 10/22

84° /69°
25%
Mostly cloudy and humid

RealFeel®85°

RealFeel Shade™84°

Max UV Index1.0 (Low)

WindNNW 9 mph

Thu 10/23

81° /66°
25%
Cloudy and less humid

RealFeel®79°

RealFeel Shade™79°

Max UV Index1.0 (Low)

WindENE 8 mph

Fri 10/24

82° /69°
10%
Mostly sunny

RealFeel®86°

RealFeel Shade™82°

Max UV Index5.0 (Moderate)

WindE 6 mph

Sat 10/25

83° /66°
25%
Partial sunshine

RealFeel®87°

RealFeel Shade™81°

Max UV Index5.0 (Moderate)

WindNE 7 mph

Sun 10/26

82° /64°
20%
Less humid with plenty of sun

RealFeel®80°

RealFeel Shade™78°

Max UV Index5.0 (Moderate)

WindNE 12 mph

Mon 10/27

79° /63°
20%
Plenty of sunshine

RealFeel®80°

RealFeel Shade™77°

Max UV Index5.0 (Moderate)

WindNNE 7 mph

Tue 10/28

81° /63°
25%
Times of clouds and sun

RealFeel®81°

RealFeel Shade™81°

Max UV Index4.0 (Moderate)

WindN 5 mph

Wed 10/29

81° /64°
25%
Turning cloudy

RealFeel®86°

RealFeel Shade™81°

Max UV Index5.0 (Moderate)

WindN 2 mph

Thu 10/30

83° /67°
10%
Brilliant sunshine

RealFeel®87°

RealFeel Shade™81°

Max UV Index5.0 (Moderate)

WindWSW 4 mph

Fri 10/31

82° /66°
20%
Mostly sunny

RealFeel®87°

RealFeel Shade™82°

Max UV Index5.0 (Moderate)

WindS 4 mph

Sat 11/1

84° /68°
25%
Humid with clouds and sun

RealFeel®85°

RealFeel Shade™85°

Max UV Index1.0 (Low)

WindSE 6 mph

Sun 11/2

84° /68°
60%
A couple of showers in the morning; otherwise, cloudy and humid

RealFeel®90°

RealFeel Shade™90°

Max UV Index1.0 (Low)

WindSSE 6 mph

Mon 11/3

82° /67°
59%
A couple of showers in the morning; otherwise, rather cloudy and humid

RealFeel®88°

RealFeel Shade™88°

Max UV Index1.0 (Low)

WindW 7 mph

Tue 11/4

81° /67°
10%
Mostly sunny and less humid

RealFeel®82°

RealFeel Shade™79°

Max UV Index4.0 (Moderate)

WindN 6 mph

Wed 11/5

78° /64°
5%
Plenty of sun

RealFeel®80°

RealFeel Shade™76°

Max UV Index4.0 (Moderate)

WindNE 6 mph

Thu 11/6

78° /64°
20%
Sunshine and a few clouds

RealFeel®80°

RealFeel Shade™77°

Max UV Index4.0 (Moderate)

WindE 6 mph

Fri 11/7

81° /56°
3%
Mostly sunny and humid

RealFeel®82°

RealFeel Shade™79°

Max UV Index4.0 (Moderate)

WindNNE 9 mph

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World North America United States Florida Post Harbour Island

Weather Near Post Harbour Island:

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