Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Koshibu Dam Heliport
Report is more than 6 hours old.
Closest report is Shinshu-Matsumoto Airport, 33.8 nm (62.6 km) N.
2026/05/22 09:00 (retrieved 10 hours ago)
RJAF 220900Z 33004KT 9999 FEW010 SCT030 BKN040 18/13 Q1010
Closest aviation forecast (TAF) to Koshibu Dam Heliport
Forecast is more than 12 hours old.
Closest forecast is Mount Fuji Shizuoka Airport, 49.7 nm (92.1 km) SSE.
2026/05/22 00:00 (retrieved 19 hours ago)
TAF RJNS 212305Z 2200/2306 07010KT 9999 FEW020 BKN040