diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/manifest.json b/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/manifest.json
index 19af9778152e4..3519a94475777 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/manifest.json
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/manifest.json
@@ -18,7 +18,7 @@
         "validateOnSynth": false,
         "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-deploy-role-${AWS::AccountId}-${AWS::Region}",
         "cloudFormationExecutionRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-cfn-exec-role-${AWS::AccountId}-${AWS::Region}",
-        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/aaa3e08f1a3f807fd7d4163e5ad01d2400b1f162ead6be3e788281f64fb3f021.json",
+        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/fddf2231120b2ab1d4ba478e288bd5dc0dcd2894203701b20412238cc1d93663.json",
         "requiresBootstrapStackVersion": 6,
         "bootstrapStackVersionSsmParameter": "/cdk-bootstrap/hnb659fds/version",
         "additionalDependencies": [
@@ -58,6 +58,12 @@
             "data": "WeightedRecord2D4D415A2"
           }
         ],
+        "/weighted-record/WeightedRecord3/Resource": [
+          {
+            "type": "aws:cdk:logicalId",
+            "data": "WeightedRecord328406D0A"
+          }
+        ],
         "/weighted-record/BootstrapVersion": [
           {
             "type": "aws:cdk:logicalId",
diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/tree.json b/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/tree.json
index 29e50fd5b0cd2..20d4948008ee8 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/tree.json
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/tree.json
@@ -134,6 +134,40 @@
               "version": "0.0.0"
             }
           },
+          "WeightedRecord3": {
+            "id": "WeightedRecord3",
+            "path": "weighted-record/WeightedRecord3",
+            "children": {
+              "Resource": {
+                "id": "Resource",
+                "path": "weighted-record/WeightedRecord3/Resource",
+                "attributes": {
+                  "aws:cdk:cloudformation:type": "AWS::Route53::RecordSet",
+                  "aws:cdk:cloudformation:props": {
+                    "hostedZoneId": {
+                      "Ref": "HostedZoneDB99F866"
+                    },
+                    "name": "www.cdk.dev.",
+                    "resourceRecords": [
+                      "4.5.6.7"
+                    ],
+                    "setIdentifier": "WEIGHT_0_ID_weightedrecordWeightedRecord37AA25819",
+                    "ttl": "10",
+                    "type": "A",
+                    "weight": 0
+                  }
+                },
+                "constructInfo": {
+                  "fqn": "aws-cdk-lib.aws_route53.CfnRecordSet",
+                  "version": "0.0.0"
+                }
+              }
+            },
+            "constructInfo": {
+              "fqn": "aws-cdk-lib.aws_route53.ARecord",
+              "version": "0.0.0"
+            }
+          },
           "BootstrapVersion": {
             "id": "BootstrapVersion",
             "path": "weighted-record/BootstrapVersion",
diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/weighted-record.assets.json b/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/weighted-record.assets.json
index 09cc2ad6e14b8..844a8326cdbe0 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/weighted-record.assets.json
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/weighted-record.assets.json
@@ -1,7 +1,7 @@
 {
   "version": "36.0.0",
   "files": {
-    "aaa3e08f1a3f807fd7d4163e5ad01d2400b1f162ead6be3e788281f64fb3f021": {
+    "fddf2231120b2ab1d4ba478e288bd5dc0dcd2894203701b20412238cc1d93663": {
       "source": {
         "path": "weighted-record.template.json",
         "packaging": "file"
@@ -9,7 +9,7 @@
       "destinations": {
         "current_account-current_region": {
           "bucketName": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}",
-          "objectKey": "aaa3e08f1a3f807fd7d4163e5ad01d2400b1f162ead6be3e788281f64fb3f021.json",
+          "objectKey": "fddf2231120b2ab1d4ba478e288bd5dc0dcd2894203701b20412238cc1d93663.json",
           "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-file-publishing-role-${AWS::AccountId}-${AWS::Region}"
         }
       }
diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/weighted-record.template.json b/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/weighted-record.template.json
index 245ed234bbc91..f4e1924101057 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/weighted-record.template.json
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.js.snapshot/weighted-record.template.json
@@ -53,6 +53,22 @@
     "Type": "A",
     "Weight": 50
    }
+  },
+  "WeightedRecord328406D0A": {
+   "Type": "AWS::Route53::RecordSet",
+   "Properties": {
+    "HostedZoneId": {
+     "Ref": "HostedZoneDB99F866"
+    },
+    "Name": "www.cdk.dev.",
+    "ResourceRecords": [
+     "4.5.6.7"
+    ],
+    "SetIdentifier": "WEIGHT_0_ID_weightedrecordWeightedRecord37AA25819",
+    "TTL": "10",
+    "Type": "A",
+    "Weight": 0
+   }
   }
  },
  "Parameters": {
diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.ts b/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.ts
index 7c6d9a3aa299b..d5b3a7c128ec6 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.ts
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.weighted-record.ts
@@ -15,6 +15,7 @@ class TestStack extends Stack {
       { target: '1.2.3.4', weight: 20 },
       { target: '2.3.4.5', weight: 30 },
       { target: '3.4.5.6', weight: 50 },
+      { target: '4.5.6.7', weight: 0 },
     ].forEach((data, index) => {
       new route53.ARecord(this, `WeightedRecord${index}`, {
         zone: hostedZone,
diff --git a/packages/aws-cdk-lib/aws-route53/lib/record-set.ts b/packages/aws-cdk-lib/aws-route53/lib/record-set.ts
index 499b3ca12c5a3..65e102e1e32a8 100644
--- a/packages/aws-cdk-lib/aws-route53/lib/record-set.ts
+++ b/packages/aws-cdk-lib/aws-route53/lib/record-set.ts
@@ -302,7 +302,7 @@ export class RecordSet extends Resource implements IRecordSet {
     if (props.setIdentifier && (props.setIdentifier.length < 1 || props.setIdentifier.length > 128)) {
       throw new Error(`setIdentifier must be between 1 and 128 characters long, got: ${props.setIdentifier.length}`);
     }
-    if (props.setIdentifier && !props.weight && !props.geoLocation && !props.region && !props.multiValueAnswer) {
+    if (props.setIdentifier && props.weight === undefined && !props.geoLocation && !props.region && !props.multiValueAnswer) {
       throw new Error('setIdentifier can only be specified for non-simple routing policies');
     }
     if (props.multiValueAnswer && props.target.aliasTarget) {
@@ -405,7 +405,7 @@ export class RecordSet extends Resource implements IRecordSet {
       return identifier;
     }
 
-    if (this.weight) {
+    if (this.weight !== undefined) {
       const idPrefix = `WEIGHT_${this.weight}_ID_`;
       return this.createIdentifier(idPrefix);
     }
diff --git a/packages/aws-cdk-lib/aws-route53/test/record-set.test.ts b/packages/aws-cdk-lib/aws-route53/test/record-set.test.ts
index 4f04cdea52eaf..a8f717e4b0242 100644
--- a/packages/aws-cdk-lib/aws-route53/test/record-set.test.ts
+++ b/packages/aws-cdk-lib/aws-route53/test/record-set.test.ts
@@ -1133,6 +1133,39 @@ describe('record set', () => {
     });
   });
 
+  test('with weight of 0', () => {
+    // GIVEN
+    const stack = new Stack();
+
+    const zone = new route53.HostedZone(stack, 'HostedZone', {
+      zoneName: 'myzone',
+    });
+
+    // WHEN
+    new route53.RecordSet(stack, 'RecordSet', {
+      zone,
+      recordName: 'www',
+      recordType: route53.RecordType.CNAME,
+      target: route53.RecordTarget.fromValues('zzz'),
+      weight: 0,
+    });
+
+    // THEN
+    Template.fromStack(stack).hasResourceProperties('AWS::Route53::RecordSet', {
+      Name: 'www.myzone.',
+      Type: 'CNAME',
+      HostedZoneId: {
+        Ref: 'HostedZoneDB99F866',
+      },
+      ResourceRecords: [
+        'zzz',
+      ],
+      TTL: '1800',
+      Weight: 0,
+      SetIdentifier: 'WEIGHT_0_ID_RecordSet',
+    });
+  });
+
   test.each([
     [-1],
     [256],