Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Lake Rosseau/John's Bay Seaplane Base
Closest report is Muskoka Airport, 17.0 nm (31.5 km) SE.
2026/05/12 10:10 (retrieved 43 minutes ago)
CYQA 121010Z AUTO 00000KT 9SM CLR M04/M04 A3021 RMK ICE PAST HR SLP249
Closest aviation forecast (TAF) to Lake Rosseau/John's Bay Seaplane Base
Forecast is more than 12 hours old.
Closest forecast is Muskoka Airport, 17.0 nm (31.5 km) SE.
2026/05/11 20:00 (retrieved 15 hours ago)
TAF CYQA 111940Z 1120/1202 33008G18KT P6SM SCT050 BKN080 FM112300 30008KT P6SM FEW050 RMK FCST BASED ON AUTO OBS NXT FCST BY 121200Z