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.
2026/07/22 09:00 (retrieved 14 hours ago)
RJAF 220900Z 35010KT 9999 FEW040 31/22 Q1010
Closest aviation forecast (TAF) to Happusan Tunnel Heliport
Closest forecast is Yokota Air Base, 48.8 nm (90.4 km) SE.
2026/07/22 21:00 (retrieved 2 hours ago)
TAF RJTY 222100Z 2221/2403 VRB06KT 9999 SKC QNH2973INS BECMG 2304/2305 09006KT 9999 FEW020 BKN050 QNH2970INS TEMPO 2308/2311 VRB12G20KT 6000 -TSRA BKN020CB BECMG 2313/2314 36009KT 9999 SCT050 QNH2983INS BECMG 2318/2319 VRB06KT 4800 BR SKC QNH2983INS BECMG 2323/2324 VRB06KT 9999 NSW BKN015 QNH2982INS TX38/2304Z TN26/2319Z