Porpoise Key, Big Spanish Channel, FL Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Jul 17 		Mostly Cloudy
Close Hourly 		-º / 83º 10% SSE 8 mph 74%
11pm Partly Cloudy 84º 5% S 3 mph 74%
Sat
Jul 18 		Mostly Cloudy
View Hourly 		90º / 82º 10% SSE 12 mph 65%
12am Partly Cloudy 84º 2% SSE 4 mph 74%
1am Partly Cloudy 84º 2% SSE 4 mph 74%
2am Mostly Cloudy 84º 2% SSE 5 mph 74%
3am Cloudy 84º 2% SSE 6 mph 76%
4am Cloudy 84º 2% SSE 6 mph 75%
5am Cloudy 83º 8% SSE 7 mph 75%
6am Cloudy 84º 10% SSE 8 mph 75%
7am Mostly Cloudy 84º 9% SSE 8 mph 74%
8am Mostly Cloudy 85º 9% SSE 10 mph 72%
9am Cloudy 86º 10% SSE 11 mph 68%
10am Mostly Cloudy 87º 5% SSE 11 mph 66%
11am Cloudy 88º 4% S 11 mph 64%
12pm Mostly Cloudy 89º 3% SSE 12 mph 63%
1pm Mostly Cloudy 89º 3% SSE 11 mph 63%
2pm Mostly Cloudy 89º 3% SSE 10 mph 62%
3pm Partly Cloudy 90º 2% SSE 10 mph 61%
4pm Mostly Cloudy 89º 2% SSE 10 mph 61%
5pm Mostly Cloudy 89º 3% SSE 9 mph 62%
6pm Mostly Cloudy 88º 3% SSE 9 mph 63%
7pm Partly Cloudy 87º 3% SSE 9 mph 66%
8pm Partly Cloudy 86º 3% SE 9 mph 68%
9pm Partly Cloudy 85º 3% SE 10 mph 70%
10pm Partly Cloudy 85º 7% SE 10 mph 71%
11pm Mostly Cloudy 85º 10% SSE 11 mph 73%
Sun
Jul 19 		Partly Cloudy
View Hourly 		90º / 83º 10% S 12 mph 69%
12am Partly Cloudy 85º 9% SSE 12 mph 73%
1am Mostly Cloudy 84º 3% SSE 11 mph 74%
2am Mostly Cloudy 84º 8% SSE 11 mph 74%
3am Mostly Cloudy 84º 13% SSE 11 mph 75%
4am Mostly Cloudy 84º 14% SSE 11 mph 76%
5am Mostly Cloudy 84º 14% SSE 11 mph 78%
6am Partly Cloudy 83º 14% SSE 11 mph 77%
7am Partly Cloudy 83º 10% S 11 mph 77%
8am Partly Cloudy 84º 4% S 11 mph 76%
9am Partly Cloudy 85º 4% S 12 mph 74%
10am Partly Cloudy 87º 7% S 12 mph 71%
11am Partly Cloudy 88º 7% S 12 mph 69%
12pm Mostly Cloudy 88º 3% S 12 mph 68%
1pm Partly Cloudy 89º 3% S 12 mph 67%
2pm Partly Cloudy 89º 7% S 12 mph 66%
3pm Partly Cloudy 89º 8% S 12 mph 66%
4pm Partly Cloudy 89º 7% S 11 mph 65%
5pm Partly Cloudy 89º 5% S 10 mph 65%
6pm Partly Cloudy 89º 2% S 9 mph 65%
7pm Partly Cloudy 87º 2% SSW 8 mph 68%
8pm Partly Cloudy 86º 3% S 8 mph 70%
9pm Partly Cloudy 85º 3% S 8 mph 72%
10pm Partly Cloudy 85º 3% S 8 mph 73%
Mon
Jul 20 		Partly Cloudy 90º / 83º 6% S 12 mph 67%
Tue
Jul 21 		Mostly Sunny 89º / 83º 6% SSE 12 mph 67%
Wed
Jul 22 		Partly Cloudy 89º / 83º 11% SE 10 mph 66%
Thu
Jul 23 		Partly Cloudy 89º / 83º 15% ESE 9 mph 66%
Fri
Jul 24 		Partly Cloudy 89º / 83º 24% ESE 10 mph 69%

Weather Radar for Porpoise Key, Big Spanish Channel, FL See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Porpoise Key, Big Spanish Channel, FL

Tonight
Low : 83ºF
SSE wind 5 to 10 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Saturday
High : 90ºF
SSE wind around 10 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Saturday Night
Low : 83ºF
SE wind 10 to 15 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Sunday
High : 90ºF
SSE wind around 10 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Sunday Night
Low : 83ºF
SSE wind 5 to 10 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Monday
High : 92ºF
S wind 5 to 10 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Monday Night
Low : 82ºF
SE wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.
Tuesday
High : 92ºF
SE wind 5 to 10 kt. Sunny. Seas 1 ft or less.
Tuesday Night
Low : 83ºF
ESE wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.

NOAA Buoy Data Near Porpoise Key, Big Spanish Channel, FL See Map

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    Wind Speed Forecast for Porpoise Key, Big Spanish Channel, FL

    SaturdaySunday
    Wind Speed (MPH) 3681110911111112128
    3am7am11am3pm7pm11pm3am7am11am3pm7pm11pm
    MPH 3681110911111112128
    DIR SSSESSESSSESSESSESSESSSSSW

    Current Weather Conditions In Porpoise Key, Big Spanish Channel, FL

    As Of: 28 minutes ago

    • 84ºF
    • 92ºF
    • 3mph
    • 0º (S)
    • 3mph
    • Partly Cloudy
    • 10mi
    • 30.06"
    • 74%
    • 0ºF

    The weather right now in Porpoise Key, Big Spanish Channel, FL is Partly Cloudy. The current temperature is 84°F, and the expected high and low for today, Friday, July 17, 2026, are -° high temperature and 83°F low temperature. The wind is currently blowing at 3 miles per hour, and coming from the South. The wind is gusting to 3 mph. With the wind and the atmosphere the temperature feels like 92° Fahrenheit. Expected precipitation is 5 percent, with current humidity at 74 percent, and air pressure at 30.06 in. Visibility is 10 nautical miles. There are no current weather alert(s).