Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Seibu Karuizawa Heliport
Closest report is Shinshu-Matsumoto Airport, 35.3 nm (65.3 km) WSW.
2026/09/21 03:00 (retrieved 43 minutes ago)
RJAF 210300Z 35011KT 9999 VCSH FEW005 SCT015 BKN045 23/20 Q1005
Closest aviation forecast (TAF) to Seibu Karuizawa Heliport
Closest forecast is Yokota Air Base, 48.0 nm (88.8 km) SE.
2026/09/21 01:00 Ammendment (retrieved 3 hours ago)
TAF AMD RJTY 210100Z 2101/2203 01015G20KT 4800 RA BR SCT006 BKN012 OVC020 QNH2949INS TEMPO 2101/2104 2000 +RA BR BKN004 BKN008 TEMPO 2104/2107 1600 +RA BR VCTS BKN004 BKN008CB BECMG 2107/2109 34015G25KT 6000 RA BR OVC005 510009 QNH2945INS TEMPO 2109/2114 35020G35KT 2400 +RA BR OVC003 530009 BECMG 2117/2118 27009KT 9999 NSW OVC015 QNH2955INS TX24/2109Z TN19/2120Z