Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Oyama Tunnel Heliport
Report is more than 2 hours old.
Closest report is Shinshu-Matsumoto Airport, 37.0 nm (68.5 km) WSW.
2026/05/20 09:00 (retrieved 6 hours ago)
RJAF 200900Z 35006KT 9999 FEW070 BKN100 BKN130 25/11 Q1013
Closest aviation forecast (TAF) to Oyama Tunnel Heliport
Closest forecast is Yokota Air Base, 46.3 nm (85.7 km) SE.
2026/05/20 13:00 (retrieved 2 hours ago)
TAF RJTY 201300Z 2013/2119 15009KT 9999 FEW020 SCT030 BKN060 QNH2986INS BECMG 2017/2018 VRB06KT 8000 -SHRA SCT015 BKN020 OVC030 QNH2977INS TEMPO 2018/2021 6000 -SHRA BR BKN015 OVC020 BECMG 2102/2103 03012KT 6000 -RA BR BKN008 OVC012 QNH2975INS TEMPO 2105/2110 3200 RA BR BKN007 OVC010 BECMG 2109/2110 35009KT 3200 -RA BR BKN006 OVC008 QNH2980INS TX23/2013Z TN16/2108Z