Studies have shown that the body and mind responds well outside where you can reconnect with nature. Also you can get some sunlight that will provide a natural source of vitamin D for maintaining strong bones and can help with improving mood.
Exercising outside will enhance the experience and help lift your mood. Try taking a jog around the local park or take a family bike ride in the woods.
Use the local park benches and playground equipment for a resistance workout such as chin ups, triceps dips and push ups.
A lot of local parks now have dedicated outside gyms so you can do the same exercises as you would do indoors but gaining the extra benefits of training outside. Why not try out a local outdoor class such as boot camp or Tai Chi- the only limit is your imagination.
If you choose to train outside don't forget to wear sun protection, hat and carry water to keep you hydrated.
Come on get out of the house and start exercising outside before it starts raining again.