diff --git a/modules/default/weatherforecast/weatherforecast.js b/modules/default/weatherforecast/weatherforecast.js
index 4ecc18aa..09431966 100644
--- a/modules/default/weatherforecast/weatherforecast.js
+++ b/modules/default/weatherforecast/weatherforecast.js
@@ -463,7 +463,7 @@ Module.register("weatherforecast", {
 	 */
 	roundValue: function (temperature) {
 		var decimals = this.config.roundTemp ? 0 : 1;
-		return parseFloat(temperature).toFixed(decimals);
+		return parseFloat(Math.abs(temperature) < 0.5 && this.config.roundTemp ?  0 : temperature).toFixed(decimals);
 	},
 
 	/* processRain(forecast, allForecasts)