Weather in Dennis, MA
Updated 2026-08-11 11:15 local time · ZIP codes 02638
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
91°2% rain88°3% rain92°2% rain88°2% rain92°1% rain90°1% rain88°1% rain84°1% rain81°2% rain
75°3% rain74°3% rain72°3% 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 3%).
It feels like 96°F with winds near 9 mph.
75°F, 3% rain chance and 12 mph wind.
Visibility is around 6 mi; gusts may reach 23 mph.
Current temperature is 91°F, wind 9 mph, rain chance up to 3%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Dennis weather today
Sunny and 91°F in Dennis, MA. Today's high is 92°F with a 4% rain chance. Winds are around 9 mph with gusts near 13 mph. Relative humidity is 51%, pressure is 29.81 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Dennis
Sunrise is at 05:45 AM and sunset is at 07:46 PM. Tomorrow's forecast calls for Sunny with a high near 78°F and a low near 69°F. The maximum rain chance is 17%.