diff --git a/src/main/java/edu/ie3/datamodel/io/source/sql/SqlWeatherSource.java b/src/main/java/edu/ie3/datamodel/io/source/sql/SqlWeatherSource.java
index d2aab44e1..e5a52e7f2 100644
--- a/src/main/java/edu/ie3/datamodel/io/source/sql/SqlWeatherSource.java
+++ b/src/main/java/edu/ie3/datamodel/io/source/sql/SqlWeatherSource.java
@@ -84,6 +84,7 @@ public Map<Point, IndividualTimeSeries<WeatherValue>> getWeather(
             dataSource.executeQuery(
                 queryTimeInterval,
                 ps -> {
+                  TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
                   ps.setTimestamp(1, Timestamp.from(timeInterval.getLower().toInstant()));
                   ps.setTimestamp(2, Timestamp.from(timeInterval.getUpper().toInstant()));
                 }));
@@ -110,6 +111,7 @@ public Map<Point, IndividualTimeSeries<WeatherValue>> getWeather(
             dataSource.executeQuery(
                 queryTimeIntervalAndCoordinates,
                 ps -> {
+                  TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
                   Array coordinateIdArr =
                       ps.getConnection().createArrayOf("integer", coordinateIds.toArray());
                   ps.setArray(1, coordinateIdArr);