Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Happusan Tunnel Heliport
Report is more than 6 hours old.
Closest report is Shinshu-Matsumoto Airport, 32.1 nm (59.4 km) W.
2026/09/28 09:00 (retrieved 6 hours ago)
RJAF 280900Z 16006KT 110V190 9000 -SHRA FEW002 SCT060 BKN090 19/18 Q1012
Closest aviation forecast (TAF) to Happusan Tunnel Heliport
Closest forecast is Yokota Air Base, 48.8 nm (90.4 km) SE.
2026/09/28 11:21 Ammendment (retrieved 4 hours ago)
AMD RJTY 281100Z 2811/2911 VRB06KT 6000 -SHRA BR BKN020 OVC050 QNH2986INS BECMG 2815/2816 VRB06KT 4800 -SHRA BR BKN005 OVC020 QNH2990INS TEMPO 2819/2824 3200 RA OVC006 BECMG 2901/2902 VRB06KT 4800 -RA BR BKN008 OVC020 QNH2990INS TX20/2905Z TN18/2818Z