diff --git a/monitoring/grafana/provisioning/datasources/datasources.yml b/monitoring/grafana/provisioning/datasources/datasources.yml
index e582b68..13eb815 100644
--- a/monitoring/grafana/provisioning/datasources/datasources.yml
+++ b/monitoring/grafana/provisioning/datasources/datasources.yml
@@ -31,3 +31,19 @@ datasources:
       insecureGrpc: true
     secureJsonData:
       token: $GRAFANA_INFLUXDB_TOKEN
+
+  # Wetter-/Langzeitarchiv aus Home Assistant (Ecowitt). Gleiche InfluxDB-Instanz,
+  # aber Datenbank `homeassistant`; gleicher Admin-Read-Token.
+  - name: InfluxDB HA Weather
+    uid: ha-weather-influx
+    type: influxdb
+    access: proxy
+    url: http://influxdb3-core:8181
+    editable: false
+    jsonData:
+      version: SQL
+      dbName: homeassistant
+      httpMode: POST
+      insecureGrpc: true
+    secureJsonData:
+      token: $GRAFANA_INFLUXDB_TOKEN