National Weather Service Forecast for: Middletown CT
Issued by: National Weather Service New York, NY
Updated: 2:24 am EDT Jun 30, 2026
 
Overnight

Overnight: Mostly clear, with a low around 63. Calm wind.
Mostly Clear

Tuesday

Tuesday: A 30 percent chance of showers after 5pm.  Mostly sunny, with a high near 88. Light south wind increasing to 5 to 10 mph in the afternoon.
Mostly Sunny
then Chance
Showers
Tuesday
Night
Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 11pm.  Partly cloudy, with a low around 68. South wind 7 to 11 mph, with gusts as high as 23 mph.
Chance
Showers then
Slight Chance
T-storms
Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 95. Heat index values as high as 105. Southwest wind around 9 mph, with gusts as high as 20 mph.
Mostly Sunny
then Slight
Chance
T-storms
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 73. Southwest wind 3 to 8 mph.
Partly Cloudy

Thursday

Thursday: Sunny and hot, with a high near 101.
Hot

Thursday
Night
Thursday Night: Clear, with a low around 77.
Clear

Friday

Friday: Sunny and hot, with a high near 100.
Hot

Friday
Night
Friday Night: Mostly clear, with a low around 73.
Mostly Clear

Lo 63 °F Hi 88 °F Lo 68 °F Hi 95 °F Lo 73 °F Hi 101 °F Lo 77 °F Hi 100 °F Lo 73 °F

Hazardous Weather Outlook
Extreme Heat Watch
Air Quality Alert
 

Overnight
 
Mostly clear, with a low around 63. Calm wind.
Tuesday
 
A 30 percent chance of showers after 5pm. Mostly sunny, with a high near 88. Light south wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
 
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 68. South wind 7 to 11 mph, with gusts as high as 23 mph.
Wednesday
 
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 105. Southwest wind around 9 mph, with gusts as high as 20 mph.
Wednesday Night
 
Partly cloudy, with a low around 73. Southwest wind 3 to 8 mph.
Thursday
 
Sunny and hot, with a high near 101.
Thursday Night
 
Clear, with a low around 77.
Friday
 
Sunny and hot, with a high near 100.
Friday Night
 
Mostly clear, with a low around 73.
Independence Day
 
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97.
Saturday Night
 
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
 
Mostly sunny, with a high near 93.
Sunday Night
 
A 30 percent chance of showers. Partly cloudy, with a low around 67.
Monday
 
A 40 percent chance of showers. Partly sunny, with a high near 89.

 

Forecast from NOAA-NWS for Middletown CT.