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Hyannis, MA Weather Forecast


Hyannis, MA Weather Forecast Dated: 701 AM Sat Sep 19 2026
Expect a cool pattern with more clouds than sun and occasional showers over the coming period. generally humid conditions and a stable pattern will dominate.
Saturday, September 19, 2026
Mid-Morning
59°F 15°C
Partly Cloudy
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
56°F 13°C
Overcast
Refreshing around 59°F 15°C, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds easing from NNE 15 mph 24 km/h to ESE 7 mph 11 km/h.
Sunday, September 20, 2026
Mid-Morning
60°F 15°C
Overcast
Mid-Afternoon
61°F 16°C
Scattered Showers
Early-Evening
58°F 15°C
Light Showers
Mildly cool near 61°F 16°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds switching from the SE to the ESE at 8 mph 12 km/h.
Monday, September 21, 2026
Mid-Morning
62°F 17°C
Light Showers
Mid-Afternoon
60°F 16°C
Light Showers
Early-Evening
61°F 16°C
Scattered Showers
Comfortable at 60°F 16°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds NE at 17 mph 27 km/h. Gusts up to 25 mph 39 km/h.
Tuesday, September 22, 2026
Mid-Morning
58°F 15°C
Scattered Showers
Mid-Afternoon
57°F 14°C
Scattered Showers
Early-Evening
57°F 14°C
Light Showers
Crisp with a high near 57°F 14°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the NE to the ENE at 19 mph 30 km/h. Gusts up to 24 mph 38 km/h.
Wednesday, September 23, 2026
Mid-Morning
61°F 16°C
Scattered Showers
Mid-Afternoon
61°F 16°C
Scattered Showers
Early-Evening
61°F 16°C
Overcast
Refreshing around 61°F 16°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the E to the ENE at 22 mph 35 km/h. Gusts up to 27 mph 43 km/h.
Thursday, September 24, 2026
Mid-Morning
59°F 15°C
Light Showers
Mid-Afternoon
59°F 15°C
Light Showers
Early-Evening
59°F 15°C
Light Showers
Mildly cool near 59°F 15°C, on-and-off showers throughout the day, with steady humidity and barometric pressure falling. Winds turning from the ENE to the NE at 27 mph 43 km/h. Gusts up to 36 mph 57 km/h.
Friday, September 25, 2026
Mid-Morning
56°F 14°C
Scattered Showers
Mid-Afternoon
59°F 15°C
Overcast
Early-Evening
60°F 16°C
Overcast
Comfortable at 59°F 15°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds easing from N 23 mph 37 km/h to N 14 mph 21 km/h.
Saturday, September 26, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
60°F 16°C
Sunny
Cool with a high near 63°F 17°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the NE to the ENE at 14 mph 22 km/h. Gusts up to 20 mph 31 km/h.
Sunday, September 27, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
60°F 16°C
Cloudy
Refreshing around 62°F 17°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds ENE at 15 mph 24 km/h. Gusts up to 21 mph 33 km/h.
Monday, September 28, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
62°F 16°C
Overcast
Early-Evening
61°F 16°C
Overcast
Mildly cool near 62°F 16°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds out of the NE at 20 mph 32 km/h. Gusts up to 24 mph 39 km/h.
Tuesday, September 29, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
62°F 16°C
Overcast
Early-Evening
62°F 16°C
Overcast
Comfortable at 62°F 16°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the NNE to the NE at 15 mph 24 km/h. Gusts up to 26 mph 41 km/h.
Wednesday, September 30, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
60°F 16°C
Overcast
Cool with a high near 62°F 17°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure rising. Winds switching from the NNE to the NE at 18 mph 28 km/h. Gusts up to 26 mph 41 km/h.
Thursday, October 1, 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
Refreshing around 59°F 15°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds moving from the NE to the ENE at 16 mph 26 km/h. Gusts up to 21 mph 34 km/h.
Friday, October 2, 2026
Mid-Morning
59°F 15°C
Scattered Showers
Mid-Afternoon
60°F 16°C
Overcast
Early-Evening
58°F 15°C
Cloudy
Mildly cool near 60°F 16°C, scattered downpours possible, with steady humidity and steady pressure. Winds swinging from the ENE to the NE at 12 mph 18 km/h.
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