KBOS Briefing

Boston/Logan Intl, US

Flight category

MVFR3000ft · 10sm

Marginal VFR — ceiling 1000–3000 ft OR visibility 3–5 sm

Likely runway

est. from wind

Current conditions

Wind

190° / 4 kt

From the S

Visibility

10+ sm

Clouds

FEW 800 ft, BKN 3,000 ft, OVC 4,700 ft

Few (1–2 oktas) @ 800 ft AGL · Broken (5–7 oktas) @ 3,000 ft AGL · Overcast (8 oktas) @ 4,700 ft AGL

Ceiling

3,000 ft AGL

Lowest BKN/OVC layer

Temp / Dewpoint

20.6°C / 19.4°C

Spread 1.2°C — fog risk

Altimeter

29.83 inHg

1010.2 hPa

Raw METAR

Observed 6/23/2026, 10:00:00 AM

METAR KBOS 230954Z 19004KT 10SM FEW008 BKN030 OVC047 21/19 A2983 RMK AO2 RAB13E30 SLP102 P0001 T02060194

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TAF

TAF KBOS 230836Z 2309/2412 15005KT P6SM SCT009 OVC020 FM231300 21004KT 3SM -SHRA BR OVC008 FM231800 02008KT 6SM -SHRA BR SCT008 OVC010 FM240500 30003KT P6SM BKN020 FM240700 32005KT P6SM SCT050

TAF KBOS 230836Z 2309/2412 15005KT P6SM SCT009 OVC020
FM231300 21004KT 3SM -SHRA BR OVC008
FM231800 02008KT 6SM -SHRA BR SCT008 OVC010
FM240500 30003KT P6SM BKN020
FM240700 32005KT P6SM SCT050

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Hazards

Active AIRMET / SIGMET

1 report nearby

SIGMETCONVECTIVE— → —

Altitude: — – 35,000 ft

WSUS31 KKCI 230955
SIGE 
CONVECTIVE SIGMET 37E
VALID UNTIL 1155Z
MA RI CT AND CSTL WTRS
FROM 60E BOS-20ESE ACK-30NE HTO-20ESE BDL-60E BOS
AREA TS MOV FROM 24025KT. TOPS TO FL350.

OUTLOOK VALID 231155-231555
FROM HUL-70SW YSJ-150ENE ACK-190SSE HTO-150SE SIE-180ESE
ECG-160SE ECG-40SSE RDU-IRQ-VXV-50SW JST-30NE SAX-HUL
WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM
PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.