galaxy s4 has such a sensor.
But if you do not have it You can see outdoor temperature and weather forecase by using network connection.
NOW THERMOMETER IS DOING MUCH MORE.
NOW COUNTRY CITY FORECAST FROM LIST
THERMOMETER HAS A NEW FORECAST PAGE.
NOW YOU CAN KNOW YOUR AREA'S 5 DAYS WEATHER WITH 3 HOURS PERIODS.
THERMOMETER IS SHOWING TIME,CLOUDS' CONDITION,TEMPERATURE ,WIND,HUMIDITY AND PRESSURE VALUES ACCORDING TO YOUR COORDINATES FROM OPENWEATHERMAP.ORG GLOBAL WEATHER CENTERS.
FORECAST PART NEEDS NETWORK CONNECTION BECAUSE FORECAST DATA İS COMING FROM OPENWEATHERMAP.ORG SITE AS REALTIME.
This is an advanced Fahrenheit - °F and Celsius - °C thermometer for your Android device and it also measures the humidity of the place where you are. it is also a hygrometer.
* This application' condition temperature part is working on Samsung Galaxy S4 and newer phones.
But Its Forecast part is working almost on all devices.
* This application uses your phone background as background.
Thermometer Humidity Free
This app has access to :