Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Seibu Karuizawa Heliport
Report is more than 6 hours old.
Closest report is Shinshu-Matsumoto Airport, 35.3 nm (65.3 km) WSW.
2026/04/28 09:00 (retrieved 10 hours ago)
RJAF 280900Z 17015KT 9999 FEW050 SCT080 BKN/// 19/06 Q1010
Closest aviation forecast (TAF) to Seibu Karuizawa Heliport
Closest forecast is Yokota Air Base, 48.0 nm (88.8 km) SE.
2026/04/28 13:00 (retrieved 6 hours ago)
TAF RJTY 281300Z 2813/2919 23009KT 9999 FEW030 SCT150 QNH2983INS BECMG 2816/2817 VRB06KT 9999 BKN120 QNH2985INS BECMG 2900/2901 09010G15KT 9999 SCT020 BKN030 BKN140 QNH2989INS BECMG 2907/2908 09012KT 9000 -SHRA SCT020 BKN030 OVC050 QNH2993INS TEMPO 2915/2919 6000 -SHRA BR TX26/2905Z TN15/2821Z