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.
2026/09/04 09:00 (retrieved 9 hours ago)
RJAF 040900Z 35004KT 290V020 9999 FEW010 BKN025 BKN150 20/18 Q1013
Closest aviation forecast (TAF) to Koshibu Dam Heliport
Closest forecast is Mount Fuji Shizuoka Airport, 49.7 nm (92.1 km) SSE.
2026/09/04 18:00 (retrieved 29 minutes ago)
TAF RJNS 041705Z 0418/0600 03004KT 8000 -SHRA FEW008 BKN015 TEMPO 0418/0421 4000 SHRA BR FEW003 BKN008