Hourly Weather Forecast - Chelmsford, MA

12 AM
27°F
30%
1mph
SW
30% Chance Snow Showers
Humidity
88%
Feels like
27°F
Dew Point
23°F
1 AM
25°F
30%
1mph
WSW
30% Chance Snow Showers
Humidity
91%
Feels like
25°F
Dew Point
23°F
2 AM
24°F
20%
1mph
W
Mostly Cloudy
Humidity
93%
Feels like
24°F
Dew Point
22°F
3 AM
22°F
20%
1mph
W
Cloudy
Humidity
95%
Feels like
22°F
Dew Point
21°F
4 AM
21°F
30%
1mph
W
30 % Chance of Heavy Snow
Humidity
99%
Feels like
21°F
Dew Point
21°F
5 AM
20°F
30%
1mph
WSW
30% Chance Frozen Mix
Humidity
100%
Feels like
20°F
Dew Point
20°F
6 AM
20°F
30%
2mph
SW
30% Chance Frozen Mix
Humidity
100%
Feels like
20°F
Dew Point
20°F

Monday's Weather Outlook

Today's Weather Outlook

An active pattern comes to an end as high pressure will bring quiet weather nationally.

(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

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