diff --git a/apps/weather/app.js b/apps/weather/app.js
index fdf28f0e0..8493144f7 100644
--- a/apps/weather/app.js
+++ b/apps/weather/app.js
@@ -8,7 +8,7 @@
 
     g.setColor(-1);
 
-    const temp = locale.temp(w.temp).match(/^(\D*\d*)(.*)$/);
+    const temp = locale.temp(w.temp-273.15).match(/^(\D*\d*)(.*)$/);
     let width = g.setFont("Vector", 40).stringWidth(temp[1]);
     width += g.setFont("Vector", 20).stringWidth(temp[2]);
     g.setFont("Vector", 40).setFontAlign(-1, -1, 0);
diff --git a/apps/weather/widget.js b/apps/weather/widget.js
index 7488b7657..e02591543 100644
--- a/apps/weather/widget.js
+++ b/apps/weather/widget.js
@@ -8,7 +8,7 @@
       require('weather').drawIcon(w.txt, this.x+10, this.y+8, 8);
     }
     if (w.temp) {
-      let t = require('locale').temp(w.temp);  // applies conversion
+      let t = require('locale').temp(w.temp-273.15);  // applies conversion
       t = t.substr(0, t.length-2); // but we have no room for units
       g.setFontAlign(0, 1); // center horizontally at bottom of widget
       g.setFont('6x8', 1);