KTTN — Current METAR, Trenton/Mercer Arpt, NJ, US
Plain-English decode of the latest observation. Updates roughly hourly.
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Learn to read it yourself
This isn't just an hourly weather lookup — it's a way to learn the code. Every report opens with the raw METAR and TAF you can tap group by group to reveal what each piece means, so you can try to read it first and then check yourself. New to the format? Start with the METAR & TAF code reference →
Flight category
VFR
Visual conditions — ceiling > 3,000 ft and visibility > 5 sm.
What do VFR, MVFR, IFR & LIFR mean?▾
| Category | Ceiling | Visibility |
|---|---|---|
| VFRVisual Flight Rules | greater than 3,000 ft AGL | andgreater than 5 sm |
| MVFRMarginal VFR | 1,000 to 3,000 ft AGL | and/or3 to 5 sm |
| IFRInstrument Flight Rules | 500 to below 1,000 ft AGL | and/or1 to less than 3 sm |
| LIFRLow IFR | below 500 ft AGL | and/orless than 1 sm |
Raw METAR · observed 091553Z
👆 Tap any group above to decode it.
Decoded METAR
Raw TAF · issued 091120Z
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Decoded TAF — forecast
Base forecast — valid the 9th at 12:00 UTC to the 10th at 12:00 UTC
- Wind from 260° at 5 knots.
- Visibility greater than 6 statute miles.
- Scattered clouds at 25,000 ft AGL.
From the 9th at 13:00 UTC
- Wind from 280° at 12 knots, gusting to 19 knots.
- Visibility greater than 6 statute miles.
- Broken clouds at 15,000 ft AGL.
From the 9th at 15:00 UTC
- Wind from 300° at 15 knots, gusting to 25 knots.
- Visibility greater than 6 statute miles.
- Broken clouds at 8,000 ft AGL.
From the 9th at 22:00 UTC
- Wind from 300° at 10 knots, gusting to 18 knots.
- Visibility greater than 6 statute miles.
- Scattered clouds at 25,000 ft AGL.
From the 10th at 01:00 UTC
- Wind from 300° at 5 knots.
- Visibility greater than 6 statute miles.
- Sky clear.
From the 10th at 05:00 UTC
- Wind from 260° at 3 knots.
- Visibility greater than 6 statute miles.
- Sky clear.
Source: NOAA/FAA Aviation Weather Center. For information only — not for flight planning or navigation; always use official briefing sources.
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