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.
2026/10/24 09:00 (retrieved 12 hours ago)
RJAF 240900Z 33003KT 280V360 9999 VCSH FEW002 SCT005 BKN015 14/14 Q1022
Closest aviation forecast (TAF) to Happusan Tunnel Heliport
Closest forecast is Yokota Air Base, 48.8 nm (90.4 km) SE.
2026/10/24 21:00 (retrieved 12 minutes ago)
TAF RJTY 242100Z 2421/2603 VRB06KT 9999 SCT012 BKN030 QNH3004INS BECMG 2503/2504 VRB06KT 8000 -RA BKN015 OVC030 QNH2991INS TEMPO 2504/2507 18012G18KT BECMG 2510/2511 VRB06KT 6000 -RA BR SCT007 BKN010 OVC025 QNH2991INS TX25/2505Z TN16/2421Z