fix: report weather in Fahrenheit by default

agent/weather_mcp.py

@@ -24,14 +24,19 @@ WTTR_BASE = os.environ.get("WTTR_BASE", "https://wttr.in").rstrip("/")
 mcp = FastMCP("weather")
 
 
+def _c_to_f(c: str | int) -> int:
+    """Convert Celsius to Fahrenheit (rounds to whole degrees)."""
+    return round(int(c) * 9 / 5 + 32)
+
+
 def _summarize(data: dict, location: str) -> str:
     """Build a short spoken-style weather summary from wttr.in j1 JSON."""
     current = data.get("current_condition", [{}])[0] or {}
     area = data.get("nearest_area", [{}])[0] or {}
 
     city = (area.get("areaName", [{}])[0].get("value") or location).strip()
-    temp_c = current.get("temp_C")
-    feels_c = current.get("FeelsLikeC")
+    temp_f = _c_to_f(current["temp_C"]) if current.get("temp_C") is not None else None
+    feels_f = _c_to_f(current["FeelsLikeC"]) if current.get("FeelsLikeC") is not None else None
     desc = (current.get("weatherDesc", [{}])[0].get("value") or "").strip().lower()
 
     astronomy = data.get("astronomy", [{}])[0] or {}
@@ -39,19 +44,19 @@ def _summarize(data: dict, location: str) -> str:
     sunset = astronomy.get("sunset", "")
 
     today = (data.get("weather") or [None])[0] or {}
-    high_c = today.get("maxtempC")
-    min_c = today.get("mintempC")
+    high_f = _c_to_f(today["maxtempC"]) if today.get("maxtempC") is not None else None
+    low_f = _c_to_f(today["mintempC"]) if today.get("mintempC") is not None else None
 
     parts: list[str] = []
 
-    if temp_c is not None:
-        lead = f"It's {temp_c} degrees and {desc or 'clear'} in {city}"
-        if feels_c is not None and feels_c != temp_c:
-            lead += f", feels like {feels_c}"
+    if temp_f is not None:
+        lead = f"It's {temp_f} degrees and {desc or 'clear'} in {city}"
+        if feels_f is not None and feels_f != temp_f:
+            lead += f", feels like {feels_f}"
         parts.append(lead + ".")
 
-    if high_c is not None and min_c is not None:
-        parts.append(f"Today's high is {high_c} and the low is {min_c}.")
+    if high_f is not None and low_f is not None:
+        parts.append(f"Today's high is {high_f} and the low is {low_f}.")
 
     if sunrise and sunset:
         parts.append(f"Sunrise was at {sunrise} and sunset is at {sunset}.")
@@ -65,7 +70,7 @@ async def get_weather(location: str) -> str:
 
     Use this when the user asks about current conditions, temperature,
     or the forecast for a place. Returns a short conversational summary
-    suitable for reading aloud (1-2 sentences).
+    in Fahrenheit suitable for reading aloud (1-2 sentences).
     """
     try:
         async with httpx.AsyncClient(timeout=30) as client: