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 2 hours old.
Closest report is Shinshu-Matsumoto Airport, 35.3 nm (65.3 km) WSW.
2026/07/21 09:00 (retrieved 5 hours ago)
RJAF 210900Z 35011KT 9999 FEW030 FEW035CB SCT050 BKN080 30/23 Q1012
Closest aviation forecast (TAF) to Seibu Karuizawa Heliport
Forecast is more than 6 hours old.
Closest forecast is Yokota Air Base, 48.0 nm (88.8 km) SE.
2026/07/21 05:00 (retrieved 9 hours ago)
TAF RJTY 210500Z 2105/2211 24012KT 9999 FEW030 SCT050 QNH2978INS TEMPO 2105/2109 VRB15G25KT 8000 -TSRA SCT020 BKN040CB BECMG 2112/2113 VRB06KT 9999 FEW030 SCT050 QNH2981INS BECMG 2200/2201 11012KT 9999 FEW025 SCT050 QNH2974INS BECMG 2206/2207 18012KT 9999 FEW030 SCT050 QNH2973INS TX36/2105Z TN27/2121Z