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.
2026/05/21 09:00 (retrieved 13 hours ago)
RJAF 210900Z 17020KT 9999 FEW005 BKN050 BKN060 23/16 Q1004
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.
2026/05/21 14:00 Ammendment (retrieved 8 hours ago)
TAF AMD RJTY 211410Z 2114/2219 VRB06KT 6000 -RA BR BKN007 OVC015 QNH2977INS TEMPO 2116/2121 4800 RA BR OVC005 BECMG 2200/2201 36010G15KT 6000 -RA BR BKN010 OVC020 QNH2983INS TEMPO 2202/2206 36012G18KT BECMG 2206/2207 01010G15KT 9999 NSW BKN010 OVC020 QNH2992INS BECMG 2210/2211 VRB06KT 9999 BKN030 OVC050 QNH3004INS TX18/2205Z TN13/2121Z