 A few mosquito facts for you. They love warm, humid weather. They bite most at dawn and dusk. If you want even better details on when the mosquitoes are biting, check out the Weather Channel's app's new mosquito forecast. It does what it says. It predicts mosquito activity by zip code using weather data and real-world mosquito info. It could save you from a bunch of bites. Just download the Weather Channel app on your iPhone or Android. Add your zip code, tap Daily at the bottom, and scroll down.