Outdoor conditions in

Dennis

Massachusetts

Outdoor planning

Now
  1. 56°Mostly Sunny0% rain80% humidityGusts 24 mph
  2. 57°Sunny0% rain75% humidityGusts 23 mph
  3. 57°Sunny0% rain72% humidityGusts 21 mph
  4. 57°Sunny0% rain69% humidityGusts 21 mph
  5. 56°Sunny0% rain69% humidityGusts 21 mph
  6. 56°Sunny0% rain64% humidityGusts 18 mph
  7. 55°Sunny0% rain64% humidityGusts 16 mph
  8. 55°Sunny0% rain61% humidityGusts 14 mph
  9. 55°Sunny0% rain59% humidityGusts 12 mph
  10. 53°Mostly Clear0% rain64% humidityGusts 9 mph
  11. 52°Mostly Clear0% rain63% humidityGusts 8 mph
  12. 51°Partly Cloudy0% rain66% humidityGusts 7 mph
  13. 49°Mostly Clear0% rain71% humidityGusts 7 mph
  14. 49°Partly Cloudy0% rain71% humidityGusts 8 mph
  15. 49°Partly Cloudy0% rain74% humidityGusts 8 mph
  16. 47°Partly Cloudy0% rain79% humidityGusts 9 mph
  17. 49°Partly Cloudy0% rain77% humidityGusts 9 mph
  18. 49°Partly Cloudy0% rain80% humidityGusts 10 mph
  19. 49°Partly Cloudy0% rain80% humidityGusts 13 mph
  20. 50°Partly Cloudy1% rain80% humidityGusts 14 mph
  21. 51°Partly Cloudy1% rain77% humidityGusts 16 mph
  22. 51°Mostly Sunny9% rain83% humidityGusts 17 mph
  23. 52°Slight Chance Rain Showers17% rain83% humidityGusts 21 mph
  24. 55°Chance Rain Showers25% rain80% humidityGusts 24 mph
Extra care for

A little farther out

The next five days

Today

Today looks fairly quiet.

Rain
0%
Humidity
59–80%
Wind
24 mph
Fri

Friday has a real shower chance.

Rain
67%
Humidity
77–100%
Wind
32 mph
Sat

Saturday looks wet for a meaningful stretch.

Rain
82%
Humidity
56–100%
Wind
35 mph
Sun

Sunday looks fairly quiet.

Rain
7%
Humidity
52–71%
Wind
24 mph
Mon

Monday looks fairly quiet.

Rain
17%
Humidity
71–86%
Wind
22 mph
  1. 57° / 49°Today looks fairly quiet.0% rain · Humidity 59–80% · Wind 24 mph
  2. 68° / 47°Friday has a real shower chance.67% rain · Humidity 77–100% · Wind 32 mph
  3. 63° / 45°Saturday looks wet for a meaningful stretch.82% rain · Humidity 56–100% · Wind 35 mph
  4. 54° / 43°Sunday looks fairly quiet.7% rain · Humidity 52–71% · Wind 24 mph
  5. 58° / 48°Monday looks fairly quiet.17% rain · Humidity 71–86% · Wind 22 mph

Environmental watch

Air quality + smoke

Air quality

Cape Cod and Islands area · Updated Thu 8:25 AM
18GoodUS AQI

Good through Sat 12 PM.

Sky check

No plume detected overhead

Satellite view · Updated Thu 8:45 AM

Air near ground18 · Good US AQI

Rain, in motion · Past four hours

Dennis radar

Radar animation for Dennis, covering the past four hours. A marked spot changes the map view, not the forecast on this page.

Outdoor fire check

Thinking about a backyard fire?

Weather is less concerning around 6 PM–9 PM.

Humidity stays higher and winds stay lighter for at least three hours.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowUse caution

Sustained wind is 17 mph. Gusts may reach 24 mph.

Humidity
80%
Wind
17 mph
Gusts
24 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes Cape Cod and Islands area, about 11 miles away. Conditions can differ at this exact spot.

Smoke

Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.

This page represents Dennis, MA, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.