SOUTH YARMOUTH, MA 02664 Weather Forecast & Current Conditions
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  02664 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

HYANNIS, MA
Current Weather
9:56 AM EDT MAY 15, 2026
Overcast
50°F
Feels Like: 46°F
Dewpoint: 48°F
Rel. Hum.: 93%
Visibility: 10 miles
Wind: N at 10 mph
Pressure: 29.80 inches
Last 72 hours

Local Area Snow Depth

Massachusetts Current Weather

Massachusetts MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  02664 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

SOUTH YARMOUTH, MA 02664
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Cloudy. Isolated showers. Near steady temperature in the mid 50s. North winds 5 to 10 mph. Chance of rain 20 percent.
TONIGHT
Mostly cloudy. Patchy fog. Near steady temperature around 50. North winds 5 to 10 mph, becoming west after midnight.
SATURDAY
Sunny. Patchy fog in the morning. Not as cool with highs in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph, increasing to around 15 mph with gusts up to 30 mph in the afternoon.
SATURDAY NIGHT
Mostly clear. Lows in the mid 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
SUNDAY
Sunny. Highs in the lower 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
SUNDAY NIGHT
Mostly clear. Lows in the mid 50s.
MONDAY
Mostly sunny. Highs in the upper 60s.
MONDAY NIGHT
Mostly clear. Lows in the mid 50s.
TUESDAY THROUGH WEDNESDAY
Partly cloudy. Highs in the lower 70s. Lows in the upper 50s.
WEDNESDAY NIGHT
Mostly cloudy with a 30 percent chance of showers. Lows in the mid 50s.
THURSDAY
Partly sunny. Highs in the lower 70s.

  02664 WEATHER SATELLITE LOOPS
Visible Weather Satellite
SOUTH YARMOUTH, MA 02664
Infrared Weather Satellite
SOUTH YARMOUTH, MA 02664
  02664 WEATHER RADAR LOOP
NEXRAD Weather Radar
SOUTH YARMOUTH, MA 02664
 MOS COMPUTER WEATHER FORECAST

HYANNIS, MA 3 hourly weather forecast
weather forecast created  8:00 PM EDT  5/14/2026
Friday
15 MAY 2026		 SOUTH YARMOUTH, MA 02664 weather forecast Day 1, 0 hours 2 AM 53° 53° Mostly Cloudy 15%
RAIN
.01–.1 in		 0% Thunder
( 8% severe)		   CALM 100% 53°
Low 51° SOUTH YARMOUTH, MA 02664 weather forecast Day 1, 3 hours 5 AM 52° 52° Mostly Cloudy   CALM 96% 51°
High 60° SOUTH YARMOUTH, MA 02664 weather forecast Day 1, 6 hours 8 AM 54° 54° Mostly Cloudy 20%
RAIN
<.01 in		 0% Thunder
( 3% severe)		   CALM 90% 51°

Mostly Cloudy

Chance of Rain

 SOUTH YARMOUTH, MA 02664 weather forecast Day 1, 9 hours 11 AM 58° 57° Mostly Cloudy NNE   6 77% 51°
SOUTH YARMOUTH, MA 02664 weather forecast Day 1, 12 hours 2 PM 58° 56° Mostly Cloudy 15%
RAIN
<.01 in		 0% Thunder
( 2% severe)		 N   10 75% 50°
SOUTH YARMOUTH, MA 02664 weather forecast Day 1, 15 hours 5 PM 56° 54° Mostly Cloudy N   8 77% 49°
SOUTH YARMOUTH, MA 02664 weather forecast Day 1, 18 hours 8 PM 52° 52° Mostly Cloudy 3%

 0% Thunder
( 0% severe)		   CALM 86% 48°
SOUTH YARMOUTH, MA 02664 weather forecast Day 1, 21 hours 11 PM 52° 52° Mostly Cloudy   CALM 89% 49°
Saturday
16 MAY 2026		 SOUTH YARMOUTH, MA 02664 weather forecast Day 2, 0 hours 2 AM 52° 51° Mostly Cloudy 1%

 0% Thunder
( 0% severe)		 W   5 93% 50°
Low 50° SOUTH YARMOUTH, MA 02664 weather forecast Day 2, 3 hours 5 AM 52° 49° Partly Cloudy W   8 93% 50°
High 69° SOUTH YARMOUTH, MA 02664 weather forecast Day 2, 6 hours 8 AM 57° 55° Partly Cloudy 0%

 0% Thunder
( 0% severe)		 WSW   8 80% 51°

Clear



 SOUTH YARMOUTH, MA 02664 weather forecast Day 2, 9 hours 11 AM 65° 65° Clear SW   10 63% 52°
SOUTH YARMOUTH, MA 02664 weather forecast Day 2, 12 hours 2 PM 67° 67° Clear 0%

 0% Thunder
( 0% severe)		 SW   15 56% 51°
SOUTH YARMOUTH, MA 02664 weather forecast Day 2, 15 hours 5 PM 65° 65° Clear SW   15 58% 50°
SOUTH YARMOUTH, MA 02664 weather forecast Day 2, 18 hours 8 PM 59° 57° Partly Cloudy 0%

 0% Thunder
( 2% severe)		 SW   13 69% 49°
SOUTH YARMOUTH, MA 02664 weather forecast Day 2, 21 hours 11 PM 59° 57° Partly Cloudy SW   12 69% 49°

HYANNIS, MA extended weather forecast
Sunday
17 MAY 2026		 Monday
18 MAY 2026		 Tuesday
19 MAY 2026		 Wednesday
20 MAY 2026		 Thursday
21 MAY 2026
Low 57° Low 56° Low 57° Low 60° Low 58°
High 77° High 70° High 76° High 74° High 65°
SOUTH YARMOUTH, MA 02664 weather forecast Day 3 SOUTH YARMOUTH, MA 02664 weather forecast Day 4 SOUTH YARMOUTH, MA 02664 weather forecast Day 5 SOUTH YARMOUTH, MA 02664 weather forecast Day 6 SOUTH YARMOUTH, MA 02664 weather forecast Day 7
Mostly Cloudy
26% Rain		 Clear
4% Rain		 Partly Cloudy
14% Rain		 Partly Cloudy
28% Rain		 Overcast
46% Rain
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