diff --git a/app/Services/WeatherService.php b/app/Services/WeatherService.php
index 81779e5a..72932b60 100644
--- a/app/Services/WeatherService.php
+++ b/app/Services/WeatherService.php
@@ -63,30 +63,36 @@ private function buildForecast(): array
         $midTa = $this->fetchMidTemperature();
         $midLand = $this->fetchMidLandForecast();
 
-        // 오늘부터 7일간 데이터 조합
+        // 오늘부터 7일간 데이터 조합 (단기 + 중기 병합)
         $forecasts = [];
         for ($i = 0; $i < 7; $i++) {
             $date = $today->copy()->addDays($i)->format('Ymd');
 
-            // 단기예보 데이터 우선
-            if (isset($short[$date])) {
-                $forecasts[] = $short[$date];
-
-                continue;
-            }
+            $shortData = $short[$date] ?? null;
 
             // 중기예보 데이터
-            $tmn = $midTa["taMin{$i}"] ?? null;
-            $tmx = $midTa["taMax{$i}"] ?? null;
-            $wf = $midLand["wf{$i}Am"] ?? ($midLand["wf{$i}"] ?? '');
+            $midTmn = $midTa["taMin{$i}"] ?? null;
+            $midTmx = $midTa["taMax{$i}"] ?? null;
+            $midWf = $midLand["wf{$i}Am"] ?? ($midLand["wf{$i}"] ?? '');
 
-            $forecasts[] = [
-                'date' => $date,
-                'tmn' => $tmn,
-                'tmx' => $tmx,
-                'icon' => ! empty($wf) ? $this->midWeatherToIcon($wf) : null,
-                'weather_text' => $wf,
-            ];
+            if ($shortData) {
+                // 단기예보 우선, 기온이 없으면 중기로 보충
+                $forecasts[] = [
+                    'date' => $date,
+                    'tmn' => $shortData['tmn'] ?? $midTmn,
+                    'tmx' => $shortData['tmx'] ?? $midTmx,
+                    'icon' => $shortData['icon'] ?? (! empty($midWf) ? $this->midWeatherToIcon($midWf) : null),
+                    'weather_text' => $shortData['weather_text'] ?: $midWf,
+                ];
+            } else {
+                $forecasts[] = [
+                    'date' => $date,
+                    'tmn' => $midTmn,
+                    'tmx' => $midTmx,
+                    'icon' => ! empty($midWf) ? $this->midWeatherToIcon($midWf) : null,
+                    'weather_text' => $midWf,
+                ];
+            }
         }
 
         return $forecasts;