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Port St. John, Florida Weather

Port St. John, Florida — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Port St. John, Brevard County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near Port St. John. Tide source:

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🎣 Best times to fish today (solunar)
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✈️ Aviation Weather

Full aviation weather for Port St. John is published on the Space Coast Regional Airport (KTIX) page, 4 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Port St. John have their own pages, listed below.

The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.

Other airports near Port St. John: Arthur Dunn Air Park (KX21) 17 km · Space Florida Launch and Landing Facility (KTTS) 18 km · Merritt Island Airport (KCOI) 18 km · Cape Canaveral SFS Skid Strip (KXMR) 22 km · Patrick Space Force Base (KCOF) 32 km

Conditions reported at KTIX describe the airfield itself. Weather 4 km away can differ, particularly in terrain or near the coast. For conditions at Port St. John specifically, see the current conditions and forecast above.

🌿 Air Quality
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About Port St. John, Florida

Port St. John exhales the humid air of Florida's Atlantic coast, a place where the land gently spills towards the Indian River Lagoon. It lies 8.3 miles west-south-west of Merritt Island, FL (from Merritt Island, FL: bearing 239°T), and is situated 9.4 miles south of Titusville. The terrain is a low, sandy embrace, often softened by the verdant sprawl of palmetto scrub and the stoic presence of pine trees, their needles whispering secrets on the breeze. Sunlight here possesses a peculiar luminescence, especially in the late afternoon, painting the sky with hues of peach and lavender that bleed into the darkening waters. The rhythm of Port St. John is one of quiet ebb and flow, a feeling of being perpetually on the cusp of something vast and watery, where the occasional rustle of a lizard in the dry grass can feel like a significant event. This locality, though not ancient in the grand sweep of human endeavor, carries the echoes of Florida's development, a story intertwined with the nearby space coast's relentless drive skyward. Its economy, while influenced by the aerospace industry that dominates the broader region, finds its anchor in the natural bounty of the lagoon, a vital estuary supporting a delicate ecosystem and a local fishing tradition. The waterways, the lifeblood of this coastal fringe, are not merely scenic backdrops but the very arteries of Port St. John, dictating the pace of life and offering a constant invitation to explore its shimmering, brackish depths and the mangrove-lined shores.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Port St. John and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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LocationPort St. John, Brevard County, Florida
Coordinates28.476946°N, 80.788666°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)32927
Area Code321, 407
Page generatedSeptember 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Port St. John, Florida Weather Page

This page provides live weather conditions and forecasts for Port St. John, Florida, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.

Location data for Port St. John includes coordinates 28.476946°N, 80.788666°W, situated in Brevard County. ZIP code 32927. Telephone area code: 321, 407. Timezone: Eastern Time (America/New_York).

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.