Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Ottawa / Casselman (Shea Field)
Closest report is Ottawa Macdonald-Cartier International Airport, 21.1 nm (39.0 km) W.
2026/03/18 15:00 (retrieved 44 minutes ago)
CYOW 181500Z 19009KT 160V230 15SM FEW027 SCT250 M08/M15 A3038 RMK CU1CI2 SLP298
Closest aviation forecast (TAF) to Ottawa / Casselman (Shea Field)
Closest forecast is Ottawa Macdonald-Cartier International Airport, 21.1 nm (39.0 km) W.
2026/03/18 15:42 (retrieved 2 minutes ago)
TAF CYOW 181440Z 1815/1918 20006KT P6SM FEW200 FM181700 22008KT P6SM FEW040 SCT130 FM182100 22008KT P6SM BKN040 BKN130 BECMG 1822/1824 17006KT FM190300 13006KT P6SM -SN OVC040 FM190600 13006KT 6SM -SN SCT020 OVC040 FM191000 18008KT 4SM -SN OVC020 FM191300 20010KT 1 1/2SM -SN OVC015 RMK NXT FCST BY 181800Z