Hourly Weather Forecast - Chelmsford, MA

12 AM
22°F
20%
7mph
W
Mostly Cloudy
Humidity
82%
Feels like
14°F
Dew Point
18°F
1 AM
22°F
20%
6mph
W
Mostly Cloudy
Humidity
81%
Feels like
14°F
Dew Point
17°F
2 AM
21°F
30%
6mph
W
30% Chance Snow Showers
Humidity
79%
Feels like
13°F
Dew Point
16°F
3 AM
20°F
30%
6mph
W
30% Chance of Flurries
Humidity
79%
Feels like
12°F
Dew Point
15°F
4 AM
19°F
30%
6mph
WNW
30% Chance of Snow
Humidity
79%
Feels like
11°F
Dew Point
14°F
5 AM
19°F
30%
6mph
WNW
30% Chance of Snow
Humidity
81%
Feels like
10°F
Dew Point
14°F
6 AM
20°F
30%
6mph
WNW
30% Chance of Snow
Humidity
78%
Feels like
12°F
Dew Point
14°F
7 AM
22°F
30%
6mph
WNW
30% Chance of Snow
Humidity
75%
Feels like
14°F
Dew Point
15°F
7:07 AM
8 AM
24°F
30%
7mph
WNW
30% Chance Snow Showers
Humidity
69%
Feels like
16°F
Dew Point
16°F
9 AM
25°F
10%
7mph
WNW
Partly Cloudy
Humidity
66%
Feels like
17°F
Dew Point
16°F
10 AM
27°F
10%
8mph
WNW
Partly Cloudy
Humidity
62%
Feels like
18°F
Dew Point
15°F

Snowfall forecast Through Tonight

Snow To Spread Across Appalachians Into Mid-Atlantic

A winter system will bring snow from the southern Appalachians to Mid-Atlantic through this evening.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide