diff --git a/src/AcDream.App/Rendering/RetailPViewPassExecutor.cs b/src/AcDream.App/Rendering/RetailPViewPassExecutor.cs
index 633ba405..0f3df8ca 100644
--- a/src/AcDream.App/Rendering/RetailPViewPassExecutor.cs
+++ b/src/AcDream.App/Rendering/RetailPViewPassExecutor.cs
@@ -470,7 +470,16 @@ internal sealed partial class RetailPViewPassExecutor :
         // DrawLandscapeStaticParticles after the slice loop (retail: one
         // unclipped alpha-list insertion per emitter), not per slice here.
         EnableClipDistances();
-        if (frame.RenderSky && frame.RenderWeather)
+        // Retail GameSky::Draw @0x00506ff0 gates the WEATHER pass (arg2==1)
+        // on SmartBox::is_player_outside @0x00451e80 — Ghidra-arbitrated:
+        // (player objcell_id & 0xFFFF) < 0x100. The sky pass always draws;
+        // the rain draws ONLY while the PLAYER stands in an outdoor cell.
+        // That one boolean is retail's entire rain confinement (the
+        // owner-reported indoor/seam rain at the cathedral: rain on the
+        // ledges, none the instant the player crosses into an interior
+        // cell) — no depth or view-clip mechanism is involved.
+        bool playerOutside = (frame.PlayerCellId & 0xFFFFu) < 0x100u;
+        if (frame.RenderSky && frame.RenderWeather && playerOutside)
         {
             _sky?.RenderWeather(
                 frame.Camera,