Hourly Weather Forecast - Chelmsford, MA

12 AM
28°F
30%
6mph
NNW
30% Chance Snow Showers
Humidity
82%
Feels like
21°F
Dew Point
23°F
1 AM
27°F
30%
5mph
NNW
30% Chance Snow Showers
Humidity
82%
Feels like
21°F
Dew Point
23°F
2 AM
27°F
30%
5mph
NNW
30% Chance Snow Showers
Humidity
81%
Feels like
21°F
Dew Point
22°F
3 AM
27°F
30%
4mph
NNW
30% Chance Snow Showers
Humidity
79%
Feels like
21°F
Dew Point
21°F
4 AM
26°F
20%
4mph
N
Partly Cloudy
Humidity
79%
Feels like
20°F
Dew Point
20°F
5 AM
25°F
20%
4mph
N
Mostly Clear
Humidity
80%
Feels like
19°F
Dew Point
19°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

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Today's Weather Outlook

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During Extreme Cold: Watch for Frostbite!

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Watch vs. Warning

Flash Flood Watch and Warning Defined

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