KBWI TAF

Terminal aerodrome forecast for Baltimore/Washington International Thurgood Marshall (BWI · KBWI), Baltimore, MD. Issued 21 Sep 2026 0302Z, valid 0300Z to 0600Z, decoded period by period below. · Open on the map

All of Baltimore/Washington International Thurgood Marshall — runways, frequencies, charts and live weather

TAF issued 21 Sep 2026 0302Z

valid 0300Z to 0600Z

TAF KBWI 210302Z 2103/2206 32006KT P6SM FEW025 BKN045 TEMPO 2103/2105 5SM -SHRA FM210600 35004KT P6SM BKN025 FM211200 02007KT P6SM SCT030 BKN050 PROB30 2119/2124 5SM -SHRA OVC070 FM220200 05007KT 6SM -SHRA OVC025

Times are UTC (Zulu), as they appear in the bulletin.

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
0300Z to 0600Z	Initial	320° at 6 kt	6+ SM	4,500 ft BKN	Few at 2,500 ft AGL, Broken at 4,500 ft AGL	VFR
0300Z to 0500Z	TEMPO	Calm	5 SM	Clear	No cloud forecast	MVFR
0600Z to 1200Z	FM	350° at 4 kt	6+ SM	2,500 ft BKN	Broken at 2,500 ft AGL	MVFR
1200Z to 0200Z	FM	020° at 7 kt	6+ SM	5,000 ft BKN	Scattered at 3,000 ft AGL, Broken at 5,000 ft AGL	VFR
1900Z to 0000Z	PROB	Calm	5 SM	7,000 ft OVC	Overcast at 7,000 ft AGL	MVFR
0200Z to 0600Z	FM	050° at 7 kt	6+ SM	2,500 ft OVC	Overcast at 2,500 ft AGL	MVFR

What the change groups mean

TEMPO: Temporary — expected for less than half the period, in spells under an hour.
FM: From — a rapid, permanent change to the conditions that follow.

What the categories mean

VFR: Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
MVFR: Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.

Frequently asked

What is the current TAF for KBWI?

The forecast issued 21 Sep 2026 0302Z for Baltimore/Washington International Thurgood Marshall reads: TAF KBWI 210302Z 2103/2206 32006KT P6SM FEW025 BKN045 TEMPO 2103/2105 5SM -SHRA FM210600 35004KT P6SM BKN025 FM211200 02007KT P6SM SCT030 BKN050 PROB30 2119/2124 5SM -SHRA OVC070 FM220200 05007KT 6SM -SHRA OVC025

How far ahead does a TAF forecast?

A TAF covers a 24-hour period at most airports and 30 hours at larger ones, issued four times a day at 0000Z, 0600Z, 1200Z and 1800Z. It describes conditions within roughly 5 statute miles of the airport, not the surrounding area.

What do FM, BECMG and TEMPO mean?

FM (from) marks a rapid, permanent change at the stated time. BECMG (becoming) marks a gradual change over the stated window. TEMPO marks conditions expected for less than half the period, in spells of under an hour each. PROB30 and PROB40 give the probability of the conditions that follow.

More about KBWI

Forecasts from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.

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