Outdoor conditions in

South Dennis

Massachusetts
Now
  1. 57°Sunny0% rain72% humidityGusts 22 mph
  2. 57°Sunny0% rain72% humidityGusts 21 mph
  3. 57°Sunny0% rain67% humidityGusts 21 mph
  4. 57°Sunny0% rain64% humidityGusts 20 mph
  5. 56°Mostly Sunny0% rain62% humidityGusts 17 mph
  6. 55°Sunny0% rain61% humidityGusts 16 mph
  7. 55°Sunny0% rain59% humidityGusts 13 mph
  8. 55°Sunny0% rain57% humidityGusts 12 mph
  9. 52°Mostly Clear0% rain63% humidityGusts 10 mph
  10. 49°Mostly Clear0% rain68% humidityGusts 9 mph
  11. 48°Mostly Clear0% rain71% humidityGusts 8 mph
  12. 47°Mostly Clear0% rain74% humidityGusts 7 mph
  13. 46°Partly Cloudy0% rain76% humidityGusts 7 mph
  14. 46°Partly Cloudy0% rain76% humidityGusts 7 mph
  15. 43°Partly Cloudy0% rain89% humidityGusts 8 mph
  16. 45°Partly Cloudy0% rain82% humidityGusts 9 mph
  17. 45°Partly Cloudy0% rain86% humidityGusts 10 mph
  18. 46°Partly Cloudy0% rain83% humidityGusts 12 mph
  19. 47°Partly Cloudy1% rain83% humidityGusts 14 mph
  20. 47°Partly Cloudy1% rain83% humidityGusts 16 mph
  21. 48°Mostly Sunny9% rain86% humidityGusts 17 mph
  22. 49°Slight Chance Rain Showers16% rain86% humidityGusts 20 mph
  23. 53°Slight Chance Rain Showers24% rain83% humidityGusts 23 mph
  24. 57°Chance Rain Showers38% rain83% humidityGusts 26 mph
Extra care for

A little farther out

The next five days

Today

Today looks fairly quiet.

Rain
0%
Humidity
57–77%
Wind
23 mph
Fri

Friday has a real shower chance.

Rain
67%
Humidity
82–100%
Wind
31 mph
Sat

Saturday looks wet for a meaningful stretch.

Rain
81%
Humidity
54–100%
Wind
32 mph
Sun

Sunday looks fairly quiet.

Rain
7%
Humidity
50–71%
Wind
23 mph
Mon

Monday looks fairly quiet.

Rain
18%
Humidity
69–96%
Wind
21 mph
  1. 57° / 46°Today looks fairly quiet.0% rain · Humidity 57–77% · Wind 23 mph
  2. 68° / 43°Friday has a real shower chance.67% rain · Humidity 82–100% · Wind 31 mph
  3. 61° / 44°Saturday looks wet for a meaningful stretch.81% rain · Humidity 54–100% · Wind 32 mph
  4. 55° / 42°Sunday looks fairly quiet.7% rain · Humidity 50–71% · Wind 23 mph
  5. 59° / 45°Monday looks fairly quiet.18% rain · Humidity 69–96% · Wind 21 mph

Environmental watch

Air quality + smoke

Air quality

Cape Cod and Islands area · Updated Thu 10:25 AM
21GoodUS AQI

Good through Sat 12 PM.

Sky check

No plume detected overhead

Satellite view · Updated Thu 8:45 AM

Air near ground21 · Good US AQI

Rain, in motion · Past four hours

South Dennis radar

Ready when you areSee what is moving toward South Dennis.

Watch the last four hours of rain, then search any nearby trail, lake, or address.

View the official forecast ↗

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 15 mph. Gusts may reach 22 mph.

Humidity
72%
Wind
15 mph
Gusts
22 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 South 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.