Karuizawa temperature

Karuizawa temperature is. Temperatures are displayed in real time on your cell phone in Karuizawa. Even in Hokkaido to Okinawa, even if, even in the room, can be seen immediately at hand. Is OK but even abroad. How can this. Unlike the weather site, displayed in real time so that at this very moment, you can plan the timing of the road without moving from your room.