National Weather Service Forecast for: Harmony RI
Issued by: National Weather Service Norton, MA
Updated: 5:35 am EDT Jun 22, 2026
 
Today

Today: Showers likely, mainly after 5pm. Increasing clouds, with a high near 78. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Partly Sunny
then Showers
Likely
 Tonight

Tonight: Showers and possibly a thunderstorm. Patchy fog. Low around 62. South wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and
Patchy Fog

 Tuesday

Tuesday: Showers and possibly a thunderstorm before 11am, then showers likely. Patchy fog before 3pm. High near 76. South wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Showers and
Patchy Fog

 Tuesday
Night
Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 59. Northwest wind around 6 mph.
Decreasing
Clouds

 Wednesday

Wednesday: Sunny, with a high near 81. Northwest wind around 8 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 60. West wind 3 to 5 mph.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 83. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Mostly Sunny

 Thursday
Night
Thursday Night: A chance of showers after 1am. Mostly cloudy, with a low around 63. South wind around 6 mph. Chance of precipitation is 40%.
Partly Cloudy
then Chance
Showers
 Friday

Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Chance
Showers then
Chance
T-storms
Hi 78 °F Lo 62 °F Hi 76 °F Lo 59 °F Hi 81 °F Lo 60 °F Hi 83 °F Lo 63 °F Hi 80 °F

 

Today
 
 Showers likely, mainly after 5pm. Increasing clouds, with a high near 78. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
 
 Showers and possibly a thunderstorm. Patchy fog. Low around 62. South wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
 
 Showers and possibly a thunderstorm before 11am, then showers likely. Patchy fog before 3pm. High near 76. South wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
 
 Mostly cloudy, then gradually becoming clear, with a low around 59. Northwest wind around 6 mph.
Wednesday
 
 Sunny, with a high near 81. Northwest wind around 8 mph.
Wednesday Night
 
 Mostly clear, with a low around 60. West wind 3 to 5 mph.
Thursday
 
 Mostly sunny, with a high near 83. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
 
 A chance of showers after 1am. Mostly cloudy, with a low around 63. South wind around 6 mph. Chance of precipitation is 40%.
Friday
 
 A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Friday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. West wind 5 to 7 mph. Chance of precipitation is 40%.
Saturday
 
 A chance of showers. Mostly sunny, with a high near 82. West wind 5 to 7 mph. Chance of precipitation is 30%.
Saturday Night
 
 Partly cloudy, with a low around 64. West wind around 5 mph.
Sunday
 
 Sunny, with a high near 84. Northwest wind 5 to 7 mph.

 

Forecast from NOAA-NWS for Harmony RI.