National Weather Service Forecast for: Harmony RI
Issued by: National Weather Service Norton, MA
Updated: 12:20 am EDT Jun 19, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 62. West wind around 10 mph.
Mostly Cloudy

 Juneteenth

Juneteenth: Partly sunny, with a high near 80. West wind 10 to 13 mph, with gusts as high as 24 mph.
Partly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 60. West wind 8 to 10 mph.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 78. West wind around 15 mph, with gusts as high as 26 mph.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 59. West wind around 8 mph.
Mostly Clear

 Sunday

Sunday: A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Northwest wind around 8 mph. Chance of precipitation is 30%.
Sunny then
Chance
Showers
 Sunday
Night
Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%.
Chance
Showers then
Partly Cloudy
 Monday

Monday: Showers likely, mainly after 3pm. The rain could be heavy at times. Partly sunny, with a high near 75. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 60%.
Heavy Rain

 Monday
Night
Monday Night: Showers. The rain could be heavy at times. Low around 61. South wind around 9 mph. Chance of precipitation is 80%.
Heavy Rain
Lo 62 °F Hi 80 °F Lo 60 °F Hi 78 °F Lo 59 °F Hi 79 °F Lo 59 °F Hi 75 °F Lo 61 °F

 

Overnight
 
 Mostly cloudy, with a low around 62. West wind around 10 mph.
Juneteenth
 
 Partly sunny, with a high near 80. West wind 10 to 13 mph, with gusts as high as 24 mph.
Friday Night
 
 Mostly clear, with a low around 60. West wind 8 to 10 mph.
Saturday
 
 Sunny, with a high near 78. West wind around 15 mph, with gusts as high as 26 mph.
Saturday Night
 
 Mostly clear, with a low around 59. West wind around 8 mph.
Sunday
 
 A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Northwest wind around 8 mph. Chance of precipitation is 30%.
Sunday Night
 
 A chance of showers before 8pm. Partly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%.
Monday
 
 Showers likely, mainly after 3pm. The rain could be heavy at times. Partly sunny, with a high near 75. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
 
 Showers. The rain could be heavy at times. Low around 61. South wind around 9 mph. Chance of precipitation is 80%.
Tuesday
 
 A chance of showers before 2pm. Partly sunny, with a high near 80. Northwest wind around 10 mph. Chance of precipitation is 40%.
Tuesday Night
 
 Partly cloudy, with a low around 61. West wind around 6 mph.
Wednesday
 
 Sunny, with a high near 81. West wind 5 to 7 mph.
Wednesday Night
 
 Partly cloudy, with a low around 61. Southwest wind 3 to 5 mph.
Thursday
 
 A chance of showers. Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Harmony RI.