Hourly Weather Forecast - Chelmsford, MA

12 AM
28°F
10%
6mph
SW
Mostly Clear
Humidity
58%
Feels like
22°F
Dew Point
15°F
1 AM
28°F
10%
6mph
SW
Mostly Clear
Humidity
58%
Feels like
22°F
Dew Point
15°F
2 AM
28°F
10%
6mph
SW
Mostly Clear
Humidity
58%
Feels like
22°F
Dew Point
15°F
3 AM
28°F
10%
5mph
SW
Clear
Humidity
59%
Feels like
22°F
Dew Point
15°F
4 AM
27°F
10%
4mph
SW
Clear
Humidity
59%
Feels like
22°F
Dew Point
15°F
5 AM
27°F
10%
4mph
SW
Clear
Humidity
61%
Feels like
22°F
Dew Point
16°F
6 AM
27°F
10%
4mph
SSW
Clear
Humidity
64%
Feels like
22°F
Dew Point
16°F
7 AM
28°F
10%
5mph
SSW
Clear
Humidity
63%
Feels like
23°F
Dew Point
17°F
7:11 AM
8 AM
31°F
10%
5mph
SSW
Sunny
Humidity
61%
Feels like
25°F
Dew Point
19°F
9 AM
34°F
10%
5mph
SSW
Sunny
Humidity
57%
Feels like
29°F
Dew Point
20°F
10 AM
37°F
10%
6mph
SSW
Sunny
Humidity
53%
Feels like
32°F
Dew Point
21°F
11 AM
39°F
10%
6mph
SSW
Mostly Sunny
Humidity
50%
Feels like
35°F
Dew Point
22°F
12 PM
41°F
10%
6mph
SSW
Mostly Sunny
Humidity
49%
Feels like
36°F
Dew Point
23°F
1 PM
41°F
10%
6mph
SSW
Partly Cloudy
Humidity
48%
Feels like
37°F
Dew Point
23°F
2 PM
41°F
10%
6mph
SSW
Partly Cloudy
Humidity
49%
Feels like
37°F
Dew Point
23°F
3 PM
39°F
10%
5mph
SSW
Partly Cloudy
Humidity
51%
Feels like
36°F
Dew Point
23°F
4 PM
37°F
10%
4mph
SSW
Partly Cloudy
Humidity
54%
Feels like
34°F
Dew Point
22°F
4:39 PM
5 PM
35°F
10%
4mph
SSW
Partly Cloudy
Humidity
60%
Feels like
32°F
Dew Point
23°F
6 PM
33°F
10%
3mph
SSW
Partly Cloudy
Humidity
66%
Feels like
30°F
Dew Point
23°F
7 PM
31°F
10%
3mph
SSW
Partly Cloudy
Humidity
72%
Feels like
28°F
Dew Point
23°F
8 PM
30°F
20%
3mph
SSW
Mostly Clear
Humidity
75%
Feels like
30°F
Dew Point
23°F
9 PM
29°F
20%
3mph
SSW
Mostly Clear
Humidity
76%
Feels like
29°F
Dew Point
23°F
10 PM
29°F
20%
2mph
SW
Mostly Clear
Humidity
77%
Feels like
29°F
Dew Point
23°F
11 PM
28°F
30%
2mph
SW
30 % Chance of Heavy Snow
Humidity
78%
Feels like
28°F
Dew Point
22°F

Tuesday's Weather Outlook

Today's Weather Outlook

Rain and snow showers will sweep through the Great Lakes as the Western U.S. begins a pattern of quiet and dry weather.

(Image provided by NOAA)

Polar Vortex: What Is It?

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

Safety Tips For Icy Surfaces

(Image provided by Pixabay.com)

Before a High Wind Event

Windchill chart

Dangers of Wind Chills

A snow-covered trail in Sparkill, N.Y. (H. Martinez, WeatherBug user)

Top Winter Hiking Destinations

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide