Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Current aviation weather report (METAR) for Marathon Airport
Report is more than 6 hours old.
2026/08/19 21:00 (retrieved 10 hours ago)
CYSP 192100Z VRB05KT 15SM FEW048TCU SCT083 18/10 A2993 RMK TCU2AC2 LAST STFD OBS/NEXT 201200Z SLP143 DENSITY ALT 1700FT
Aviation forecast (TAF) for Marathon Airport
Forecast is more than 12 hours old.
2026/08/19 14:00 (retrieved 17 hours ago)
TAF CYSP 191343Z 1914/1921 VRB03KT P6SM FEW040 TEMPO 1916/1921 P6SM -SHRA BKN040 BECMG 1916/1918 30008KT RMK NXT FCST BY 201400Z