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Long Key, FL Weather Forecast | 5 Day
Updated: Sun Jul 20th 2025 12:15 PM EDT
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Sunny
Sun 7-20
Sunny with a high of 87°F and a low of 82°F. Wind will be moderate, blowing around 17mph on average and gusts of 21.3mph at 6 PM. High humidity with average of 81% is anticipated, the maximum being 83% at 2 PM and 77% being its lowest at 11 PM. Barometric pressure is its highest of 30.1inHg at 1 PM, a lowest point of 30.07inHg at 7 PM with an avg 30.08inHg.
- HI: 87°F
- LO: 82°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
16.3 mph - Humidity
81% avg. - UV Index
2.9 - Air QualityGood
- Sunrise
06:46 AM - Sunset
08:13 PM - Moonrise
02:19 AM - Moonset
04:33 PM - Moon Phase
Waning Crescent

Patchy Rain Nearby
Mon 7-21
Scattered showers with a high of 84°F and a low of 82°F. It will likey rain in the surrounding area, having a 84% chance of a downpour with an estimated 0.18in. Wind will be moderate, blowing around 15mph on average and gusts of 18.5mph at 3 AM. High humidity with average of 82% is anticipated, the maximum being 91% at 11 AM and 68% being its lowest at 11 PM. Barometric pressure is its highest of 30.07inHg at 12 AM, a lowest point of 30.01inHg at 7 PM with an avg 30.04inHg.
- HI: 84°F
- LO: 82°F
- Rainfall: 84% | est. 0.18in
- Snowfall: 0%
- Wind
14.1 mph - Humidity
82% avg. - UV Index
3 - Air QualityGood
- Sunrise
06:46 AM - Sunset
08:13 PM - Moonrise
03:13 AM - Moonset
05:41 PM - Moon Phase
Waning Crescent

Partly Cloudy
Tue 7-22
Partly Cloudy with a high of 83°F and a low of 82°F. Winds will be light at 9mph and gusts of 11.3mph at 10 PM. High humidity with average of 81% is anticipated, the maximum being 84% at 11 AM and 77% being its lowest at 11 PM. Barometric pressure is its highest of 30.05inHg at 11 PM, a lowest point of 30inHg at 5 AM with an avg 30.02inHg.
- HI: 83°F
- LO: 82°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
8.5 mph - Humidity
81% avg. - UV Index
3 - Air QualityGood
- Sunrise
06:47 AM - Sunset
08:12 PM - Moonrise
04:13 AM - Moonset
06:44 PM - Moon Phase
Waning Crescent

Moderate Rain
Wed 7-23
Moderate Rain with a high of 84°F and a low of 82°F. It will likey rain, having a 83% chance of a downpour with an estimated 0.3in. Wind will be moderate, blowing around 19mph on average and gusts of 24.7mph at 4 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 86% at 2 AM and 62% being its lowest at 6 PM. Barometric pressure is its highest of 30.04inHg at 9 PM, a lowest point of 29.95inHg at 5 AM with an avg 30.01inHg.
- HI: 84°F
- LO: 82°F
- Rainfall: 83% | est. 0.3in
- Snowfall: 0%
- Wind
18.8 mph - Humidity
73% avg. - UV Index
2.8 - Air QualityGood
- Sunrise
06:47 AM - Sunset
08:12 PM - Moonrise
05:19 AM - Moonset
07:40 PM - Moon Phase
Waning Crescent

Moderate Rain
Thu 7-24
Moderate Rain with a high of 85°F and a low of 84°F. It will likey rain, having a 88% chance of a downpour with an estimated 0.3in. Wind will be moderate, blowing around 19mph on average and gusts of 28.9mph at 2 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 74% at 11 PM and 68% being its lowest at 1 AM. Barometric pressure is its highest of 30.09inHg at 12 PM, a lowest point of 30.01inHg at 5 AM with an avg 30.05inHg.
- HI: 85°F
- LO: 84°F
- Rainfall: 88% | est. 0.3in
- Snowfall: 0%
- Wind
18.6 mph - Humidity
73% avg. - UV Index
0 - Air QualityGood
- Sunrise
06:47 AM - Sunset
08:12 PM - Moonrise
06:25 AM - Moonset
08:28 PM - Moon Phase
New Moon

Patchy Rain Nearby
Fri 7-25
Scattered showers with a high of 85°F and a low of 85°F. Rainfall expected in the surrounding area to have a 73% chance with an estimated 0.03in. Winds will be strong at speeds peaking at 23mph and gusts of 32.5mph at 8 AM. The humidity will be on the higher side, averaging about 70%, the maximum being 76% at 5 AM and 66% being its lowest at 8 PM. Barometric pressure is its highest of 30.08inHg at 11 AM, a lowest point of 30.02inHg at 5 AM with an avg 30.05inHg.
- HI: 85°F
- LO: 85°F
- Rainfall: 73% | est. 0.03in
- Snowfall: 0%
- Wind
22.6 mph - Humidity
70% avg. - UV Index
6 - Air QualityTBA
- Sunrise
06:48 AM - Sunset
08:11 PM - Moonrise
07:30 AM - Moonset
09:10 PM - Moon Phase
Waxing Crescent
Currently
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88°F |
30.11 inHg.
Barometer 66%
Humidity E 20.9 mph Wind |
Partly Cloudy |