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Long Key FL Weather - Mostly Clear - 86°F
Mostly Clear
86°F
Updated 12:15 am
Feels Like 99°F
Humidity 77%
Wind ENE 5 mph
Barometer  29.98 in
Dew Point 78°F
Long Key FL Weather - Mostly Clear - 30°C
Mostly Clear
30°C
Updated 12:15 am
Feels Like 37°C
Humidity 77%
Wind ENE 8 km/h
Barometer  101.5 kPa
Dew Point 26°C
Long Key, FL Weather and Current Conditionslong key fl weather forecast

Long Key, FL Weather Forecast

Long Key Florida WeatherLong Key, Florida Weather Weather Forecast
14 day API forecast for Long Key, Florida. Note. The 7-day weather forecast for Long Key, FL is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Long Key, FL Weather Forecast Dated: 1215 AM Sat Sep 05 2026
Expect a very warm period with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate. A few thunderstorms possible.

Saturday, September 5, 2026

Mid-Morning
Long Key Weather - 2026-09-05 - Morning - Overcast
86°F 30°C
Overcast
Mid-Afternoon
Long Key Weather - 2026-09-05 - Afternoon - Partly Cloudy
86°F 30°C
Partly Cloudy
Early-Evening
Long Key Weather - 2026-09-05 - Evening - Overcast
86°F 30°C
Overcast
Warm and summery around 86°F 30°C (feels like 94°F 35°C), overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds turning from the SE to the E at 5 mph 8 km/h.

Sunday, September 6, 2026

Mid-Morning
Long Key Weather - 2026-09-06 - Morning - Scattered Showers
86°F 30°C
Scattered Showers
Mid-Afternoon
Long Key Weather - 2026-09-06 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
Long Key Weather - 2026-09-06 - Evening - Overcast
87°F 30°C
Overcast
Quite warm reaching 86°F 30°C, feeling like 94°F 34°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure.

Monday, September 7, 2026

Mid-Morning
Long Key Weather - 2026-09-07 - Morning - Overcast
86°F 30°C
Overcast
Mid-Afternoon
Long Key Weather - 2026-09-07 - Afternoon - Nearby Thunderstorms
87°F 30°C
Nearby Thunderstorms
Early-Evening
Long Key Weather - 2026-09-07 - Evening - Nearby Thunderstorms
87°F 30°C
Nearby Thunderstorms
Very warm near 87°F 30°C, though humidity makes it feel like 95°F 35°C, heavy thunderstorms conditions at times, with steady humidity and steady pressure.

Tuesday, September 8, 2026

Mid-Morning
Long Key Weather - 2026-09-08 - Morning - Partly Cloudy
86°F 30°C
Partly Cloudy
Mid-Afternoon
Long Key Weather - 2026-09-08 - Afternoon - Overcast
87°F 30°C
Overcast
Early-Evening
Long Key Weather - 2026-09-08 - Evening - Cloudy
87°F 30°C
Cloudy
Warm and summery around 87°F 30°C (feels like 97°F 36°C), partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds blowing from the E at 7 mph 11 km/h.

Wednesday, September 9, 2026

Mid-Morning
Long Key Weather - 2026-09-09 - Morning - Cloudy
86°F 30°C
Cloudy
Mid-Afternoon
Long Key Weather - 2026-09-09 - Afternoon - Overcast
87°F 30°C
Overcast
Early-Evening
Long Key Weather - 2026-09-09 - Evening - Overcast
87°F 30°C
Overcast
Quite warm reaching 87°F 30°C, feeling like 97°F 36°C during peak afternoon, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds E at 13 mph 20 km/h.

Thursday, September 10, 2026

Mid-Morning
Long Key Weather - 2026-09-10 - Morning - Scattered Showers
86°F 30°C
Scattered Showers
Mid-Afternoon
Long Key Weather - 2026-09-10 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
Long Key Weather - 2026-09-10 - Evening - Cloudy
86°F 30°C
Cloudy
Very warm near 86°F 30°C, though humidity makes it feel like 96°F 36°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the E to the ESE at 11 mph 17 km/h.

Friday, September 11, 2026

Mid-Morning
Long Key Weather - 2026-09-11 - Morning - Overcast
85°F 30°C
Overcast
Mid-Afternoon
Long Key Weather - 2026-09-11 - Afternoon - Nearby Thunderstorms
86°F 30°C
Nearby Thunderstorms
Early-Evening
Long Key Weather - 2026-09-11 - Evening - Nearby Thunderstorms
86°F 30°C
Nearby Thunderstorms
Warm and summery around 86°F 30°C (feels like 94°F 34°C), periods of heavy thunderstorms, with steady humidity and steady pressure.

Saturday, September 12, 2026

Mid-Morning
Long Key Weather - 2026-09-12 - Morning - Overcast
85°F 30°C
Overcast
Mid-Afternoon
Long Key Weather - 2026-09-12 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
Long Key Weather - 2026-09-12 - Evening - Overcast
87°F 30°C
Overcast
Quite warm reaching 86°F 30°C, feeling like 94°F 35°C during peak afternoon, overcast throughout the day, with steady humidity and steady pressure. Winds shifting from the ESE to the E at 12 mph 19 km/h.

Sunday, September 13, 2026

Mid-Morning
Long Key Weather - 2026-09-13 - Morning - Scattered Showers
85°F 30°C
Scattered Showers
Mid-Afternoon
Long Key Weather - 2026-09-13 - Afternoon - Light Showers
85°F 30°C
Light Showers
Early-Evening
Long Key Weather - 2026-09-13 - Evening - Light Showers
85°F 30°C
Light Showers
Very warm near 85°F 30°C, though humidity makes it feel like 93°F 34°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds ESE at 17 mph 28 km/h. Gusts up to 24 mph 38 km/h.

Monday, September 14, 2026

Mid-Morning
Long Key Weather - 2026-09-14 - Morning - Light Showers
84°F 29°C
Light Showers
Mid-Afternoon
Long Key Weather - 2026-09-14 - Afternoon - Heavy Rain Showers
82°F 28°C
Heavy Rain Showers
Early-Evening
Long Key Weather - 2026-09-14 - Evening - Light Showers
81°F 27°C
Light Showers
Warm and summery around 82°F 28°C (feels like 88°F 31°C), rounds of showers expected off and on all day, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds switching from the SE to the E at 18 mph 29 km/h. Gusts up to 20 mph 32 km/h.

Tuesday, September 15, 2026

Mid-Morning
Long Key Weather - 2026-09-15 - Morning - Light Showers
85°F 30°C
Light Showers
Mid-Afternoon
Long Key Weather - 2026-09-15 - Afternoon - Light Showers
83°F 28°C
Light Showers
Early-Evening
Long Key Weather - 2026-09-15 - Evening - Light Showers
82°F 28°C
Light Showers
Quite warm reaching 83°F 28°C, feeling like 89°F 32°C during peak afternoon, persistent showers off and on through the day, with increasing humidity and steady pressure. Winds moving from the ESE to the SE at 15 mph 24 km/h.

Wednesday, September 16, 2026

Mid-Morning
Long Key Weather - 2026-09-16 - Morning - Scattered Showers
85°F 30°C
Scattered Showers
Mid-Afternoon
Long Key Weather - 2026-09-16 - Afternoon - Light Showers
83°F 29°C
Light Showers
Early-Evening
Long Key Weather - 2026-09-16 - Evening - Light Showers
82°F 28°C
Light Showers
Very warm near 83°F 29°C, though humidity makes it feel like 90°F 32°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the ESE to the E at 19 mph 31 km/h. Gusts up to 21 mph 33 km/h.

Thursday, September 17, 2026

Mid-Morning
Long Key Weather - 2026-09-17 - Morning - Light Showers
83°F 29°C
Light Showers
Mid-Afternoon
Long Key Weather - 2026-09-17 - Afternoon - Light Showers
80°F 27°C
Light Showers
Early-Evening
Long Key Weather - 2026-09-17 - Evening - Light Showers
81°F 27°C
Light Showers
Warm and summery around 80°F 27°C (feels like 87°F 31°C), rounds of showers expected off and on all day, with steady humidity and steady pressure. Thunderstorms possible in the afternoon and evening. Winds shifting from the ESE to the E at 20 mph 32 km/h. Gusts up to 24 mph 38 km/h.

Friday, September 18, 2026

Mid-Morning
Long Key Weather - 2026-09-18 - Morning - Light Showers
81°F 27°C
Light Showers
Mid-Afternoon
Long Key Weather - 2026-09-18 - Afternoon - Overcast
81°F 27°C
Overcast
Early-Evening
Long Key Weather - 2026-09-18 - Evening - Scattered Showers
82°F 28°C
Scattered Showers
Quite warm reaching 81°F 27°C, feeling like 87°F 31°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Thunderstorms possible in the afternoon and evening. Winds blowing from the NE at 12 mph 19 km/h.

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Weather by the Numbers

Sat, 5th
Long Key FL Weather - Saturday, Sep 5, 2026 - Patchy Rain Nearby
Hi: 86°F 30°C
Lo: 83°F 29°C
Sunrise 07:07 AM
Sunset 07:39 PM
Wind SSE 8 mph13 km/h
Dew Point 76°F24°C
uv Index 9
Barometric Pressure 29.94 in1014 mb
POP 20% *
Humidity 71%
Sun, 6th
Long Key FL Weather - Sunday, Sep 6, 2026 - Patchy Rain Nearby
Hi: 87°F 30°C
Lo: 83°F 28°C
Sunrise 07:07 AM
Sunset 07:38 PM
Wind SSE 4 mph6 km/h
Dew Point 74°F23°C
uv Index 9
Barometric Pressure 29.94 in1014 mb
POP 16% *
Humidity 66%
Mon, 7th
Long Key FL Weather - Monday, Sep 7, 2026 - Partly Cloudy
Hi: 87°F 30°C
Lo: 86°F 30°C
Sunrise 07:08 AM
Sunset 07:37 PM
Wind SSE 5 mph8 km/h
Dew Point 74°F23°C
uv Index 9
Barometric Pressure 30 in1016 mb
POP 9% *
Humidity 66%
Tue, 8th
Long Key FL Weather - Tuesday, Sep 8, 2026 - Overcast
Hi: 87°F 30°C
Lo: 85°F 29°C
Sunrise 07:08 AM
Sunset 07:36 PM
Wind ESE 9 mph14 km/h
Dew Point 76°F24°C
uv Index 8
Barometric Pressure 30.09 in1019 mb
POP 17% *
Humidity 70%
Wed, 9th
Long Key FL Weather - Wednesday, Sep 9, 2026 - Patchy Rain Nearby
Hi: 87°F 31°C
Lo: 86°F 30°C
Sunrise 07:08 AM
Sunset 07:35 PM
Wind E 14 mph23 km/h
Dew Point 76°F25°C
uv Index 7
Barometric Pressure 30.12 in1020 mb
POP 19% *
Humidity 70%
Thu, 10th
Long Key FL Weather - Thursday, Sep 10, 2026 - Patchy Rain Nearby
Hi: 86°F 30°C
Lo: 85°F 30°C
Sunrise 07:09 AM
Sunset 07:34 PM
Wind E 12 mph19 km/h
Dew Point 76°F25°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 19% *
Humidity 72%
Fri, 11th
Long Key FL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 86°F 30°C
Lo: 85°F 29°C
Sunrise 07:09 AM
Sunset 07:32 PM
Wind ESE 4 mph6 km/h
Dew Point 74°F24°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 12% *
Humidity 70%
Sat, 12th
Long Key FL Weather - Saturday, Sep 12, 2026 - Cloudy
Hi: 87°F 30°C
Lo: 85°F 30°C
Sunrise 07:09 AM
Sunset 07:31 PM
Wind E 6 mph10 km/h
Dew Point 75°F24°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 16% *
Humidity 69%
Sun, 13th
Long Key FL Weather - Sunday, Sep 13, 2026 - Light Rain Shower
Hi: 86°F 30°C
Lo: 85°F 29°C
Sunrise 07:10 AM
Sunset 07:30 PM
Wind ESE 17 mph28 km/h
Dew Point 74°F23°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 29% *
Humidity 68%
Mon, 14th
Long Key FL Weather - Monday, Sep 14, 2026 - Light Rain Shower
Hi: 85°F 29°C
Lo: 80°F 27°C
Sunrise 07:10 AM
Sunset 07:29 PM
Wind ESE 20 mph32 km/h
Dew Point 73°F23°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 56% *
Humidity 69%
Tue, 15th
Long Key FL Weather - Tuesday, Sep 15, 2026 - Light Rain Shower
Hi: 86°F 30°C
Lo: 81°F 27°C
Sunrise 07:10 AM
Sunset 07:28 PM
Wind ESE 21 mph34 km/h
Dew Point 73°F23°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 61% *
Humidity 70%
Wed, 16th
Long Key FL Weather - Wednesday, Sep 16, 2026 - Light Rain Shower
Hi: 85°F 30°C
Lo: 79°F 26°C
Sunrise 07:11 AM
Sunset 07:27 PM
Wind E 16 mph26 km/h
Dew Point 73°F23°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 30% *
Humidity 68%
Thu, 17th
Long Key FL Weather - Thursday, Sep 17, 2026 - Light Rain Shower
Hi: 85°F 29°C
Lo: 80°F 27°C
Sunrise 07:11 AM
Sunset 07:26 PM
Wind E 14 mph23 km/h
Dew Point 76°F24°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 75% *
Humidity 82%
Fri, 18th
Long Key FL Weather - Friday, Sep 18, 2026 - Light Rain Shower
Hi: 83°F 28°C
Lo: 80°F 26°C
Sunrise 07:12 AM
Sunset 07:25 PM
Wind ENE 12 mph20 km/h
Dew Point 75°F24°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 69% *
Humidity 83%
* POP = Probability of Precipitation. Data for 12:00 PM.