Weather in South Dennis, MA
Updated 2026-08-11 13:45 local time · ZIP codes 02660
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
83°3% rain
90°3% rain89°2% rain88°1% rain85°2% rain82°2% rain
76°3% rain74°4% rain73°4% rain71°6% rain70°7% rain74°7% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 7%).
It feels like 86°F with winds near 9 mph.
76°F, 3% rain chance and 14 mph wind.
Visibility is around 10 mi; gusts may reach 26 mph.
Current temperature is 83°F, wind 9 mph, rain chance up to 7%.
UV index is 6. Sunscreen, shade and protective clothing are recommended.
South Dennis weather today
Cloudy and 83°F in South Dennis, MA. Today's high is 90°F with a 5% rain chance. Winds are around 9 mph with gusts near 14 mph. Relative humidity is 70%, pressure is 29.78 inHg, and visibility is about 10 miles.
Tonight and tomorrow in South Dennis
Sunrise is at 05:45 AM and sunset is at 07:46 PM. Tomorrow's forecast calls for Sunny with a high near 77°F and a low near 70°F. The maximum rain chance is 17%.