KBOS TAF

Terminal aerodrome forecast for General Edward Lawrence Logan International (BOS · KBOS), Boston, MA. Issued 5 Nov 2026 1736Z, valid 1800Z to 0000Z, decoded period by period below. · Open on the map

All of General Edward Lawrence Logan International — runways, frequencies, charts and live weather

TAF issued 5 Nov 2026 1736Z

valid 1800Z to 0000Z

TAF KBOS 051736Z 0518/0624 21012G22KT P6SM BKN030 FM060300 20010G18KT P6SM BKN030 PROB30 0605/0608 4SM -RA OVC012 FM060800 20008KT 6SM BR VCSH BKN006 FM061000 21006KT 3SM -RA BR BKN005 FM062000 17006KT 3SM RA OVC007

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

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
1800Z to 0300Z	Initial	210° at 12-22 kt	6+ SM	3,000 ft BKN	Broken at 3,000 ft AGL	MVFR

0300Z to 0800Z	FM	200° at 10-18 kt	6+ SM	3,000 ft BKN	Broken at 3,000 ft AGL	MVFR

0500Z to 0800Z	PROB	No change	4 SM	1,200 ft OVC	Overcast at 1,200 ft AGL	MVFR

0800Z to 1000Z	FM	200° at 8 kt	6+ SM	600 ft BKN	Broken at 600 ft AGL	IFR

1000Z to 2000Z	FM	210° at 6 kt	3 SM	500 ft BKN	Broken at 500 ft AGL	IFR

2000Z to 0000Z	FM	170° at 6 kt	3 SM	700 ft OVC	Overcast at 700 ft AGL	IFR

What the change groups mean

FM: From — a rapid, permanent change to the conditions that follow.

What the categories mean

MVFR: Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
IFR: Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.

Frequently asked

What is the current TAF for KBOS?

The forecast issued 5 Nov 2026 1736Z for General Edward Lawrence Logan International reads: TAF KBOS 051736Z 0518/0624 21012G22KT P6SM BKN030 FM060300 20010G18KT P6SM BKN030 PROB30 0605/0608 4SM -RA OVC012 FM060800 20008KT 6SM BR VCSH BKN006 FM061000 21006KT 3SM -RA BR BKN005 FM062000 17006KT 3SM RA OVC007

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 KBOS

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.

Something here wrong or out of date? Report a data problem.