Dennis, MA Weather Forecast and Current Conditions

WEATHER ALERTS - Winter Weather Advisory

Current Conditions From Nearby Local Station

Cloudy with Light Snow 33°F
Feels Like 25°F  
Humidity 93% Dew Point 31°F Wind NW 9 MPH Gusts 10 Barometer 29.86 in.
Solar Rad 90 w/m2
Report from a MADIS/MESONET weather station 1.1 mi. NW of central Dennis
at

Point Forecast at a Glance

SunDec 14
Sun Dec 14: Snow, High 35F, Low 20F
100%
35
20
MonDec 15
Mon Dec 15: Mostly Sunny, High 31F, Low 24F
31
24
TueDec 16
Tue Dec 16: Sunny, High 37F, Low 29F
37
29
WedDec 17
Wed Dec 17: Partly Sunny, High 46F, Low 32F
46
32
ThuDec 18
Thu Dec 18: Partly Sunny, High 50F, Low 40F
50
40
FriDec 19
Fri Dec 19: Showers Likely, High 52F, Low 26F
60%
52
26
SatDec 20
Sat Dec 20: Partly Sunny, High 45F
45
 

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7-Day Temperature Trend

Week Ahead Summary

High temperatures dip from 35°F to a low of 31°F mid-week, then warm to 52°F. Some precipitation possible, including both rain and snow.

Climate Context

This week's forecast shows temperatures running 3°F below the historical average for December. Normal highs for this period are around 45°F with lows around 30°F.

This Date in Weather History

1924 - The temperature at Helena, MT, plunged 79 degrees in 24 hours, and 88 degrees in 34 hours. The mercury plummeted from 63 above to 25 below zero. At Fairfield MT the temperature plunged 84 degrees in just 12 hours, from 63 at Noon to 21 below zero at midnight.

More on this and other weather history

Dennis, MA 7 Day Weather Forecast Details

Sunday Dec 14

Snow

Day: Snow. High near 35. Light north wind increasing to 5 to 9 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

Snow Showers

Night: Snow showers, mainly before 9pm. Low around 20. Blustery, with a southwest wind 11 to 20 mph becoming north in the evening. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Monday Dec 15

Mostly Sunny

Day: Mostly sunny, with a high near 31. Northwest wind 13 to 17 mph, with gusts as high as 37 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 24. West wind 10 to 13 mph.

Tuesday Dec 16

Sunny

Day: Sunny, with a high near 37. West wind 7 to 10 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 29. Southwest wind 6 to 15 mph.

Wednesday Dec 17

Partly Sunny

Day: Partly sunny, with a high near 46. Southwest wind 16 to 18 mph, with gusts as high as 30 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 32. West wind 7 to 13 mph.

Thursday Dec 18

Partly Sunny

Day: Partly sunny, with a high near 50. West wind 6 to 13 mph becoming south in the afternoon. Winds could gust as high as 23 mph.

Showers Likely

Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 40. Breezy, with a south wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.

Friday Dec 19

Showers Likely

Day: Showers likely. Partly sunny, with a high near 52. Breezy, with a southwest wind 17 to 21 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 60%.

Partly Cloudy

Night: Partly cloudy, with a low around 26. West wind 10 to 17 mph.

Saturday Dec 20

Partly Sunny

Day: Partly sunny, with a high near 45. Northwest wind 10 to 13 mph becoming south in the afternoon.


About Dennis, MA

Dennis is a town on Cape Cod in Massachusetts. It is a seaside resort town with colonial mansions along the northern Cape Cod Bay coastline and beaches along the southern Nantucket Sound. As of the 2020 census, its population was 14,674. The town encompasses five villages, each with its own post office: Dennis (including North Dennis), Dennis Port, East Dennis, South Dennis, and West Dennis.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.