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Harwich, MA Weather Forecast
Harwich, MA Weather Forecast Dated: 746 PM Wed Sep 23 2026
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Wednesday, September 23, 2026
Mid-Morning
61°F 16°C
Scattered Showers
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
57°F 14°C
Sunny
Refreshing around 60°F 16°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds out of the NE at 23 mph 36 km/h. Gusts up to 27 mph 43 km/h.
Thursday, September 24, 2026
Mid-Morning
60°F 15°C
Partly Cloudy
Mid-Afternoon
60°F 16°C
Overcast
Early-Evening
59°F 15°C
Overcast
Mildly cool near 60°F 16°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the NE at 22 mph 35 km/h. Gusts up to 28 mph 45 km/h.
Friday, September 25, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
57°F 14°C
Light Rain
Early-Evening
56°F 13°C
Rain
Chilly near 57°F 14°C, dry early, with showers continuing through afternoon and evening, with increasing humidity and barometric pressure falling. Winds increasing from the NE at 27 mph 43 km/h to NE at 35 mph 56 km/h. Gusts up to 54 mph 86 km/h.
Saturday, September 26, 2026
Mid-Morning
56°F 14°C
Light Showers
Mid-Afternoon
56°F 13°C
Light Showers
Early-Evening
56°F 14°C
Light Showers
Crisp with a high near 56°F 13°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds swinging from the NNE to the NNW at 36 mph 58 km/h. Gusts up to 47 mph 76 km/h.
Sunday, September 27, 2026
Mid-Morning
59°F 15°C
Light Showers
Mid-Afternoon
62°F 16°C
Scattered Showers
Early-Evening
62°F 16°C
Light Showers
Refreshing around 62°F 16°C, scattered downpours possible, with steady humidity and steady pressure. Winds blowing from the NW at 18 mph 29 km/h. Gusts up to 29 mph 46 km/h.
Monday, September 28, 2026
Mid-Morning
58°F 15°C
Scattered Showers
Mid-Afternoon
59°F 15°C
Scattered Showers
Early-Evening
59°F 15°C
Scattered Showers
Mildly cool near 59°F 15°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds NNW at 19 mph 31 km/h. Gusts up to 23 mph 37 km/h.
Tuesday, September 29, 2026
Mid-Morning
59°F 15°C
Scattered Showers
Mid-Afternoon
60°F 16°C
Scattered Showers
Early-Evening
59°F 15°C
Scattered Showers
Comfortable at 60°F 16°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the NNE to the NE at 9 mph 14 km/h.
Wednesday, September 30, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
60°F 16°C
Overcast
Cool with a high near 63°F 17°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the ENE to the SE at 8 mph 12 km/h.
Thursday, October 1, 2026
Mid-Morning
62°F 17°C
Cloudy
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
64°F 18°C
Overcast
Refreshing around 65°F 18°C, overcast throughout the day, with steady humidity and steady pressure. Winds SSE at 14 mph 22 km/h. Gusts up to 25 mph 41 km/h.
Friday, October 2, 2026
Mid-Morning
67°F 20°C
Light Showers
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
66°F 19°C
Overcast
Mild with a high of 68°F 20°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds easing from S 19 mph 31 km/h to WSW 11 mph 17 km/h. Gusts up to 21 mph 33 km/h.
Saturday, October 3, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
62°F 17°C
Partly Cloudy
Comfortable at 64°F 18°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds turning from the NW to the S at 7 mph 11 km/h.
Sunday, October 4, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
65°F 19°C
Scattered Showers
Comfortable with temperatures reaching 68°F 20°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds switching from the SSW to the W at 14 mph 22 km/h. Gusts up to 25 mph 41 km/h.
Monday, October 5, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
58°F 15°C
Sunny
Early-Evening
57°F 14°C
Sunny
Refreshing around 58°F 15°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NNW to the E at 7 mph 11 km/h.
Tuesday, October 6, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
59°F 15°C
Overcast
Early-Evening
58°F 14°C
Overcast
Mildly cool near 59°F 15°C, partly cloudy through the afternoon, turning overcast this evening, with steady humidity and barometric pressure falling. Winds blowing from the ESE at 11 mph 18 km/h.
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