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Weather at San Francisco International Airport (SFO)

San Francisco, California KSFO #10 US airport by passengers

Official aviation observations and forecasts for SFO.

FAA status
No delays reported Updated 2 min ago
Weather now
MVFR 59°F Observed 3 h ago
Late departures
34.2%May 2026 to July 2026
Security line
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Current conditions at SFO

MVFR

59°F15°C

Marginal: lower cloud or reduced visibility. Some delays are possible.

Wind
270° 10 mph
Visibility
10+ mi
Clouds
FEW 400 ft, BKN 1,500 ft
Ceiling
1,500 ft
Pressure
29.69 inHg

METARSPECI KSFO 101216Z 27009KT 10SM FEW004 BKN015 15/12 A2969 RMK AO2 T01500122 $

TAFTAF KSFO 101120Z 1012/1118 31004KT P6SM FEW004 FEW150 FM101400 27015KT P6SM SKC FM102000 27020G30KT P6SM SKC FM110200 27015G25KT P6SM SKC FM111100 29011KT P6SM SCT250

Source: NOAA Aviation Weather Center. Observed 3 h ago.

Active weather alerts

  • Coastal Flood AdvisoryCoastal Flood Advisory issued October 9 at 3:16PM PDT until October 13 at 3:00PM PDT by NWS San Francisco CA

Forecast for the SFO area

Today64°F
Sunny
16 to 24 mph W · 3% rain
Tonight52°F
Mostly Clear
5 to 22 mph W · 1% rain
Sunday66°F
Sunny
3 to 16 mph WNW · 0% rain
Sunday Night53°F
Mostly Clear
9 to 16 mph S · 3% rain
Columbus Day68°F
Sunny
5 to 15 mph SSW · 3% rain
Monday Night53°F
Mostly Clear
0 to 15 mph WSW · 1% rain
Tuesday68°F
Sunny
0 to 12 mph WSW · 0% rain
Tuesday Night55°F
Mostly Clear
0 to 12 mph W · 0% rain

Source: National Weather Service. Updated 5 min ago.

Runways

RunwayLengthWidthSurface
10L/28R11,870 ft200 ftASP
10R/28L11,381 ft200 ftASP
1R/19L8,660 ft200 ftASP
1L/19R7,650 ft200 ftASP

Source: OurAirports (public domain). Runway data can lag behind construction closures.

Air traffic frequencies

ServiceDescriptionMHz
ATISATIS113.700
CLDCLNC DEL118.200
GNDGND121.800
TWRTWR120.500
APPNORCAL APP128.325
APPNORCAL APP SECONDARY133.950
APPNORCAL APP INITIAL CONTACT134.500
DEPNORCAL DEP NW-EAST120.900
DEPNORCAL DEP SE-WEST135.100