Five Things to Start Your Day: Dec. 21

1. Forecast: rain showers return today, as do the breezes, with gusts up to 40 miles per hour. Temperatures will be around 50. 

2. Take a look at yesterday's ground-breaking ceremony at the new South Acton Commuter Rail station. 

3. Today is the one-week anniversary of the school shooting in Newtown, Conn., where 26 people were killed, including at Sandy Hook Elementary School. Patch will go black at 9:30 a.m. to honor the victims.

4. Have something you want to share with your Acton neighbors? Add an announcement to Patch. Under the news tab, click announcements, then the green and white "add your announcement" button. Input your info, and post!

5. Are you signed up for the Acton Patch newsletters? They're free, and you'll get Sudbury news and events in your inbox every morning. Choose to get the daily or weekly newsletter, and breaking news alerts.