Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Sonohara Dam Heliport
Closest report is Yokota Air Base, 54.3 nm (100.6 km) S.
2026/09/04 10:55 (retrieved 39 minutes ago)
RJTY 041055Z 00000KT 5SM -RA BR OVC032 23/21 A2997 RMK AO2A SLP149 P0000 T02260207
Closest aviation forecast (TAF) to Sonohara Dam Heliport
Forecast is more than 6 hours old.
Closest forecast is Yokota Air Base, 54.3 nm (100.6 km) S.
2026/09/04 05:00 (retrieved 7 hours ago)
TAF RJTY 040500Z 0405/0511 36008KT 9999 SCT020 OVC150 QNH2987INS BECMG 0411/0412 VRB06KT 6000 -SHRA BKN020 OVC120 QNH2990INS TEMPO 0419/0423 3200 BR BKN007 BECMG 0500/0501 04006KT 9999 NSW BKN025 QNH2991INS TX26/0405Z TN20/0419Z