Weather in Harwich, MA
Updated 2026-08-11 11:15 local time · ZIP codes 02645
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
87°3% rain87°4% rain87°4% rain85°4% rain85°4% rain87°2% rain86°1% rain
83°6% rain78°3% rain
73°5% rain72°5% rain71°4% 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 6%).
It feels like 92°F with winds near 10 mph.
73°F, 5% rain chance and 13 mph wind.
Visibility is around 6 mi; gusts may reach 26 mph.
Current temperature is 87°F, wind 10 mph, rain chance up to 6%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Harwich weather today
Sunny and 87°F in Harwich, MA. Today's high is 87°F with a 5% rain chance. Winds are around 10 mph with gusts near 15 mph. Relative humidity is 57%, pressure is 29.81 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Harwich
Sunrise is at 05:44 AM and sunset is at 07:46 PM. Tomorrow's forecast calls for Sunny with a high near 76°F and a low near 68°F. The maximum rain chance is 8%.