|Tomorrow will rain? If you want to forecast the weather by yourself(Joke), this Kestrel 3000 Pocket Weather Monitor($145) let you know the weather condition when you are in the outdoor, such as camping. This compact, hand-held instrument accurately and quickly determines wind speed, temperature, windchill, relative humidity, heat stress and dewpoint. And it is waterproof and floats, making it ideal for water sports. Other features Temperature, wind chill, heat stress and dewpoint can be measured from -20¡ãF to 158¡ãF; temp can also be displayed in Celsius; With a low start-up speed, it is possible to gauge wind speeds ranging from 0.7 to 89 mph.