diff --git a/src/style.css b/src/style.css
index 966e431..45fdcf3 100644
--- a/src/style.css
+++ b/src/style.css
@@ -209,6 +209,13 @@ body, html { margin: 0; padding: 0; width: 100%; height: 100%; background-color:
   font-size: 11px; font-weight: bold; padding: 3px 8px; border: 1px solid currentColor;
   background: rgba(0, 0, 0, 0.5); letter-spacing: 1px; border-radius: 2px; display: inline-block;
 }
+.weather-panel { text-align: center; }
+.weather-ascii {
+  font-family: inherit; white-space: pre; text-align: left; display: inline-block;
+  font-size: 11px; line-height: 1.15; color: var(--tui-color); text-shadow: 0 0 4px var(--tui-glow);
+  margin: 0 0 8px; border: none; background: transparent;
+}
+.weather-loading { font-size: 11px; color: var(--tui-dim); letter-spacing: 0.05em; padding: 8px 0; }
 
 /* 📺 유튜브 그리드 레이아웃 */
 #videos-container {
diff --git a/src/views/Main.vue b/src/views/Main.vue
index 1d5705b..01c34ad 100644
--- a/src/views/Main.vue
+++ b/src/views/Main.vue
@@ -75,6 +75,17 @@
               <span :class="['dash-chip', currentServerSource]">[{{ currentServerSourceDisplay }}]</span>
             </div>
 
+            <div class="dash-panel weather-panel">
+              <h4>SEOUL WEATHER</h4>
+              <div v-if="weather.loading" class="weather-loading">SYNCING...</div>
+              <div v-else-if="weather.error" class="weather-loading">SYNC FAILED</div>
+              <template v-else>
+                <pre class="weather-ascii">{{ weatherIcon }}</pre>
+                <div class="dash-stat"><span>TEMP</span><b>{{ weather.temp }}°C</b></div>
+                <div class="dash-stat"><span>COND</span><b>{{ weatherLabel }}</b></div>
+              </template>
+            </div>
+
             <div class="dash-panel">
               <h4>SESSION</h4>
               <div class="dash-stat"><span>USER</span><b>{{ isLoggedIn ? currentUsername : 'anonymous' }}</b></div>
@@ -271,9 +282,77 @@ const showSystemAlert = (message) => {
 const todayUnique = ref(0);
 const activeNow = ref(0);
 let analyticsTimer = null;
+let weatherTimer = null;
 
 const currentServerSource = ref('nas');
 
+const WEATHER_ICONS = {
+  clear: "    \\   /\n     .-.\n  ― (   ) ―\n     `-'\n    /   \\",
+  cloudy: "      .--.\n   .-(    ).\n  (___.__)__)",
+  overcast: "     .--.\n  .-(    ).\n (___.__)__)",
+  fog: " _ - _ - _\n_ - _ - _ -\n _ - _ - _",
+  drizzle: "     .-.\n    (   ).\n   (___(__)\n    ' ' ' '",
+  rain: "     .-.\n    (   ).\n   (___(__)\n   ' ' ' ' '",
+  snow: "     .-.\n    (   ).\n   (___(__)\n    *  *  *",
+  thunder: "     .-.\n    (   ).\n   (___(__)\n    ⚡ ' ⚡"
+};
+
+const WEATHER_LABELS = {
+  clear: '맑음',
+  cloudy: '구름 조금',
+  overcast: '흐림',
+  fog: '안개',
+  drizzle: '이슬비',
+  rain: '비',
+  snow: '눈',
+  thunder: '뇌우'
+};
+
+const getWeatherIconKey = (code) => {
+  if (code === 0) return 'clear';
+  if (code === 1 || code === 2) return 'cloudy';
+  if (code === 3) return 'overcast';
+  if (code === 45 || code === 48) return 'fog';
+  if ([51, 53, 55, 56, 57].includes(code)) return 'drizzle';
+  if ([61, 63, 65, 66, 67, 80, 81, 82].includes(code)) return 'rain';
+  if ([71, 73, 75, 77, 85, 86].includes(code)) return 'snow';
+  if ([95, 96, 99].includes(code)) return 'thunder';
+  return 'cloudy';
+};
+
+const weather = ref({ loading: true, error: false, temp: null, iconKey: 'clear' });
+const weatherIcon = computed(() => WEATHER_ICONS[weather.value.iconKey] || WEATHER_ICONS.cloudy);
+const weatherLabel = computed(() => WEATHER_LABELS[weather.value.iconKey] || '');
+
+const fetchWeatherData = async () => {
+  try {
+    const res = await axios.get('https://api.open-meteo.com/v1/forecast', {
+      params: {
+        latitude: 37.5665,
+        longitude: 126.9780,
+        current_weather: true,
+        timezone: 'Asia/Seoul'
+      }
+    });
+    const current = res.data && res.data.current_weather;
+    if (current) {
+      weather.value = {
+        loading: false,
+        error: false,
+        temp: Math.round(current.temperature),
+        iconKey: getWeatherIconKey(current.weathercode)
+      };
+    } else {
+      weather.value.loading = false;
+      weather.value.error = true;
+    }
+  } catch (err) {
+    console.error("날씨 데이터 로드 실패:", err);
+    weather.value.loading = false;
+    weather.value.error = true;
+  }
+};
+
 const menuItems = [
   { id: 'main', name: 'HOME' },
   { id: 'youtube', name: 'YOUTUBE' },
@@ -499,6 +578,7 @@ onMounted(() => {
 
   fetchVideos();
   fetchAnalyticsData();
+  fetchWeatherData();
 
   detectRealtimeServerSource();
 
@@ -507,6 +587,8 @@ onMounted(() => {
     detectRealtimeServerSource();
   }, 30000);
 
+  weatherTimer = setInterval(fetchWeatherData, 600000);
+
   const globaljQuery = window.$;
   if (globaljQuery && terminalRef.value) {
     termInstance.value = globaljQuery(terminalRef.value).terminal({
@@ -595,5 +677,6 @@ onMounted(() => {
 
 onUnmounted(() => {
   if (analyticsTimer) clearInterval(analyticsTimer);
+  if (weatherTimer) clearInterval(weatherTimer);
 });
 </script>