No more excuses. If it's rainy and cold outside you can do this indoor workout in the comfort of your home and no weights are needed. Just you and your will power.
Warm-up: Run in place and do arm circles for a couple of minutes to raise your heart rate and get blood pumping to your muscles.
Cool-down: Stretch your muscles by doing some toe touches. Also raise your arms up and bend from side to side. Keep stretching until your heart rate comes down.
Have a great workout!