Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Current aviation weather report (METAR) for Marathon Airport
2026/03/11 19:00 (retrieved 1 hour ago)
CYSP 111900Z 04009KT 010V070 1 1/2SM -SN OVC030 M06/M08 A2984 RMK SN2NS6 SLP129
Aviation forecast (TAF) for Marathon Airport
Forecast is more than 6 hours old.
2026/03/11 14:00 (retrieved 6 hours ago)
TAF CYSP 111340Z 1114/1121 04010G20KT 1SM -SN OVC020 TEMPO 1114/1117 3SM -SN OVC030 FM111700 03010G20KT 1 1/2SM -SN OVC020 TEMPO 1117/1121 3SM -SN OVC030 RMK NXT FCST BY 121400Z