diff --git a/README.md b/README.md
index a5d0059..cedb577 100644
--- a/README.md
+++ b/README.md
@@ -133,6 +133,7 @@ Supported variables:
 | Variable            | Example                      |
 | ------------------- | ---------------------------- |
 | `NOW`               | `2023-08-17T11:06:54.233086` |
+| `TODAY`             | `2023-08-17`                 |
 | `YESTERDAY`         | `2023-08-16T11:06:54.233086` |
 | `LAST_WEEK`         | `2023-08-10T11:06:54.233086` |
 | `TAP_EXECUTABLE`    | `tap-smoke-test`             |
diff --git a/elx/runner.py b/elx/runner.py
index 1d4ffc6..1e4d152 100644
--- a/elx/runner.py
+++ b/elx/runner.py
@@ -74,6 +74,7 @@ def interpolation_values(self) -> dict:
 
         return {
             "NOW": NOW.isoformat(),
+            "TODAY": NOW.strftime("%Y-%m-%d"),
             "YESTERDAY": (NOW - datetime.timedelta(days=1)).isoformat(),
             "LAST_WEEK": (NOW - datetime.timedelta(days=7)).isoformat(),
             "TAP_EXECUTABLE": self.tap.executable,