ATIS Alerts

San Francisco International Airport (KSFO) Aviation Weather, METAR, TAF & ATIS Alerts

Live aviation weather for San Francisco International Airport in San Francisco, CA, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.

San Francisco International Airport (KSFO) is one of the primary air-carrier airports serving San Francisco, CA at 13 ft. KSFO reports its own METAR and publishes a TAF, and broadcasts digital ATIS (D-ATIS) — decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 8 runways (1L, 1R, 10L, 10R) — longest 11,870 ft — are checked against the current wind in the crosswind table below. The official FAA airport diagram is at the bottom of the page. Track KSFO in the ATIS Alerts Telegram bot to get a message the moment the ATIS letter changes or the weather drops below your selected minimums.

MVFR
Observed 0556Z (10:56 PM PDT)live · refreshes every 60s
Wind
280° 13 kt
Visibility
10+ sm
Ceiling
1,200 ft
Altimeter
29.91"
Temp / Dew
16°C / 61°F
dew 13°C

Wind from the west (280°) at 13 kt, visibility 10+ statute miles, a few clouds at 800 ft, broken clouds at 1,200 ft, temperature 16°C (61°F), altimeter 29.91 inHg. Conditions are Marginal VFR (MVFR), ceiling 1,200 ft.

Raw METAR
METAR KSFO 290556Z 28013KT 10SM FEW008 BKN012 16/13 A2991 RMK AO2 SLP127 T01610133 10200 20161 51006

What changed at KSFO?

Since the 0504Z (10:04 PM PDT) report — compared automatically against the latest METAR.

No significant changes since the 0504Z report — conditions are holding steady.

This is exactly what ATIS Alerts watches for you — get a Telegram message when KSFO's ATIS or weather changes, free →

Current pilot readout for KSFO

KSFO is currently MVFR with winds from 280° at 13 knots, visibility 10+ statute miles, and a 1,200 ft ceiling. The strongest crosswind component is currently on runway 1L, about 12 knots. Density altitude is approximately 150 ft (field elevation 13 ft). Review the latest TAF below for forecast changes before departure.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

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D-ATIS

Digital Automatic Terminal Information Service — the live broadcast.

Combined ATIS — Information Victor (0556Z / 10:56 PM PDT)
SFO ATIS INFO V 0556Z. 27013KT 10SM FEW008 BKN012 16/13 A2991 (TWO NINER NINER ONE). SIMUL CLSLY SPCD DPNDNT ILS RY 28R AND ILS RY 28L APP IN USE. DEPG RWYS 28L, 28R. RY 1L, 1R CLSD. NUMEROUS TWY CLOSURES FOR CONSTRUCTION ON THE FIELD, PILOTS CHECK NOTAMS. SFO DME OTS. DEPG ACFT WAITING ON FINAL NUMBERS ADVISE GROUND PRIOR TO ENTERING TWY F. ...ADVS YOU HAVE INFO V.

See all US D-ATIS airports →

Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

Use this section to quickly compare current wind alignment across available runways at KSFO. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

RunwayHead / TailCrosswind
28LFAV12 kt head4 kt left
28R12 kt head4 kt left
19L4 kt head12 kt right
19R4 kt head12 kt right
1L4 kt tail12 kt left
1R4 kt tail12 kt left
10L12 kt tail4 kt right
10R12 kt tail4 kt right

Open the crosswind calculator — try your own wind and runway numbers →

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip — flight category:VFRMVFRIFRLIFRNo report
0163106Z17Z05Z

Over the last 23 h: wind 1213 kt, ceiling unlimited1,200 ft.

KSFO weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.

Live weather radar around San Francisco International Airport in San Francisco, CA: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around KSFO is headed.

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Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO

Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.

Pilot reports (PIREPs) within 100 NM of KSFO

Reported by pilots in flight over the past 6 hours — via aviationweather.gov.

PIREP0352Z (8:52 PM PDT) · 70 NM NE of KSFO · 6,500 ft MSL · C172
Show raw report
SCK UA /OV LIN /TM 0352 /FL065 /TP C172 /SK SKC /TA 20 /WV 26003KT /TB NEG /IC NEG /RM HZ LYR BLO NORTH TO COMANCHE RESEVOIR WEST TO RIVER DELTA
SCK UAHeader — reporting station and UA: a routine pilot report.
OV LINLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0352Reported at 03:52 UTC.
FL065Altitude: 6,500 ft MSL.
TP C172Aircraft type reporting.
SK SKCSky condition — cloud bases and tops in hundreds of feet MSL.
TA 20Outside air temperature, °C.
WV 26003KTWind (direction/speed) or wind-shear remarks.
TB NEGTurbulence: none reported.
IC NEGIcing: none reported.
RM HZ LYR BLO NORTH TO COMAN…Remarks.
PIREP0236Z (7:36 PM PDT) · 67 NM S of KSFO · during climb · A319
Show raw report
MRY UA /OV KMRY/TM 0236/FLDURC/TP A319/SK OVC009
MRY UAHeader — reporting station and UA: a routine pilot report.
OV KMRYLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0236Reported at 02:36 UTC.
FLDURCReported during climb.
TP A319Aircraft type reporting.
SK OVC009Sky condition — cloud bases and tops in hundreds of feet MSL.

⚠️ PIREPs are unverified pilot reports. Not for operational use — conditions change between reports.

Recent aviation weather trends at KSFO

From ATIS Alerts' hourly weather history.

Over the past 24 hours, KSFO reported a mix of conditions, most often VFR across 30 observations, with 5 flight-category changes. The strongest gust reached 27 kt, the lowest ceiling was 700 ft. Wind most often came from the W.

Last 24 hours
VFR 43%MVFR 23%IFR 33%
Wind avg/max: 15/23 kt
Max gust: 27 kt
Lowest ceiling: 700 ft
Lowest vis:
Prevailing wind: W
Category changes: 5

Most recent change: VFRMVFR

Last 7 days
VFR 63%MVFR 20%IFR 18%
Wind avg/max: 15/24 kt
Max gust: 32 kt
Lowest ceiling: 600 ft
Lowest vis: 10 sm
Prevailing wind: W
Category changes: 27

Most recent change: VFRMVFR

Active Runway - past 30 days
28L/28R
84%
19L/19R
12%
1L/1R
4%
10L/10R
0%

TAF — Terminal Aerodrome Forecast

Issued 0520Z (10:20 PM PDT)

TAF KSFO 290520Z 2906/3012 27015KT P6SM SCT010 FM290900 28011KT P6SM BKN010 FM291800 29014KT P6SM SCT010 FM292100 27015G25KT P6SM FEW015 FM300400 26017KT P6SM FEW010 FM300900 28011KT P6SM SCT010

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Airport facts

Reference data from the OurAirports dataset.

Type
Large airport
ICAO
KSFO
IATA
SFO
FAA LID
SFO
City
San Francisco
State
California
Country
United States
Elevation
13 ft
Coordinates
37.6198, -122.3748
Runways
8
Longest runway
11,870 ft
Weather reporting
METAR · D-ATIS
TAF
Published
ATIS
113.7 MHz
AWOS/ASOS
118.05 MHz
Time zone
America/Los_Angeles
Next sunset
21h 15m

Run a flight school, FBO, or club here? Embed KSFO's live status on your website — free →

Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

RC flying fields nearby

AMA model-aircraft club fields around this airport — live wind, crosswind & flyability on each page.

All RC flying fields →

See all California airports →

Historical Flying Weather

2006–2025 · ATIS Alerts Flying Weather Index

Based on historical observations from 2006–2025, KSFO reported VFR conditions during about 81.3% of valid daylight observations, with an estimated 288 VFR flying days a year. October had the most VFR weather; August had the most instrument conditions. Surface winds averaged 8.9 kt, calm 11.4% of the time.

VFR Score
56
Wind Score
48
Reliability Score
66
National VFR rank
#451 of 1,400
Regional rank
#15
State rank
#48
Full historical breakdown
Daylight VFR
81.3%
MVFR
15.1%
IFR
4.7%
LIFR
0.7%
Est. VFR days/yr
288
Most VFR month
October
Fewest VFR month
August
Median ceiling
3,400 ft
Median visibility
10 sm
Calm wind
11.4%
Median wind
8 kt
Gusty hours
10.9%
Crosswind >15 kt
0.3%
Fog/mist days/yr
73
Thunderstorm days/yr
3
Summer density alt
545 ft

Flight category by month

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec
VFRMVFRIFRLIFR
KSFO monthly flight-category distribution, 2006–2025
MonthVFR %MVFR %IFR %LIFR %
Jan78.316.13.91.7
Feb81.914.62.51.0
Mar84.113.52.10.3
Apr83.014.22.60.2
May74.220.25.30.3
Jun78.514.96.30.3
Jul75.416.38.20.1
Aug74.117.28.50.2
Sep79.414.65.40.6
Oct85.010.93.10.9
Nov83.312.23.31.3
Dec77.216.24.91.7

Average wind by month

0713JanFebMarAprMayJunJulAugSepOctNovDec
KSFO average wind by month, 2006–2025
MonthMean wind (kt)
Jan5.5 kt
Feb7.5 kt
Mar8.8 kt
Apr10.8 kt
May11.8 kt
Jun11.7 kt
Jul11.0 kt
Aug10.4 kt
Sep9.5 kt
Oct7.6 kt
Nov6.0 kt
Dec5.9 kt

Historical summary of past observations — not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.

KSFO airport diagram

Official FAA taxiway and runway layout. Tap to zoom.

The FAA airport diagram for San Francisco International Airport in San Francisco, CA shows the runway and taxiway layout across 8 runways, ramp areas, and hold-short positions — review it before taxiing at an unfamiliar field.

Official FAA airport diagram · d-TPP cycle 2608 · Not for navigation. Download the official FAA PDF ↗

KSFO weather — frequently asked

What runways are available at KSFO?+

KSFO has 8 runways — 1L, 1R, 10L, 10R, 19L, 19R, 28L, 28R; the longest is 11,870 ft. This page computes the live crosswind for each runway end from the current wind.

Does KSFO report its own weather?+

Yes — San Francisco International Airport has its own weather station and publishes METAR observations, which this page decodes live.

Does KSFO have a TAF?+

Yes — the TAF is shown on this page below the current conditions.

Does KSFO broadcast D-ATIS?+

Yes — KSFO publishes digital ATIS, and the live broadcast text with its current information letter is shown on this page. The ATIS Alerts bot (@atisalerts_bot) can message you the moment the letter changes.

Where can I find the KSFO airport diagram?+

The official FAA airport diagram for San Francisco International Airport (KSFO) is shown on this page — it maps the runway and taxiway layout, ramps, and hold-short lines. Tap it to zoom, or download the official FAA PDF free from the link under the diagram (updated every 28-day FAA charting cycle).

Pilot PIREPs for San Francisco International Airport (KSFO)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for San Francisco International Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.

⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.

No Pilot PIREPs have been submitted for KSFO yet. Recently flew here? Help the next pilot by leaving a quick airport note.

Pilot PIREPs are community pilot notes for situational awareness only — not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.

From the ATIS Alerts team

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