diff --git a/weather/matchers/temperature.ts b/weather/matchers/temperature.ts
index b42732562..67b581a6c 100644
--- a/weather/matchers/temperature.ts
+++ b/weather/matchers/temperature.ts
@@ -19,6 +19,14 @@ export interface Props {
   temperature: Temperature | null;
 }
 
+/**
+ * The weather match is derived from the visitor's geo (Cf-Iplatitude /
+ * Cf-Iplongitude) and never from per-user identity, so it is safe to bake
+ * into cached HTML shared across visitors. Without this, any page using this
+ * matcher falls through to `Cache-Control: no-store` (see blocks/matcher.ts).
+ */
+export const cacheable = true;
+
 /**
  * @title Weather
  * @description Target users based on specific temperature