diff --git a/internal/pkg/domain/weather_event.go b/internal/pkg/domain/weather_event.go
new file mode 100644
index 0000000..d1c2efe
--- /dev/null
+++ b/internal/pkg/domain/weather_event.go
@@ -0,0 +1,17 @@
+package domain
+
+import "time"
+
+type Celsius float64
+
+type Temperature struct {
+	Value Celsius
+}
+
+type WeatherEvent struct {
+	Date        time.Time
+	Condition   WeatherCondition `json:"condition"`
+	Temperature *Temperature     `json:"temperature"`
+	High        *Temperature     `json:"high,omitempty"`
+	Low         *Temperature     `json:"low,omitempty"`
+}