National Weather Service Forecast for: Deltona FL
Issued by: National Weather Service Melbourne, FL
Updated: 3:14 am EDT Jul 5, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 74. Calm wind.
Mostly Cloudy

Saturday

Saturday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm.  High near 89. Northwest wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
T-storms
Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 10pm.  Low around 74. East northeast wind around 5 mph becoming southwest after midnight.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers then
Partly Cloudy

Sunday

Sunday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 91. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.
Slight Chance
T-storms then
T-storms
Likely
Sunday
Night
Sunday Night: Showers and thunderstorms likely before 8pm.  Partly cloudy, with a low around 75. South southwest wind around 5 mph.  Chance of precipitation is 60%.
T-storms
Likely then
Partly Cloudy
Monday

Monday: Showers and thunderstorms likely after 2pm.  Mostly sunny, with a high near 93. West southwest wind 5 to 10 mph.  Chance of precipitation is 60%.
Mostly Sunny
then T-storms
Likely
Monday
Night
Monday Night: Showers and thunderstorms likely before 8pm.  Mostly cloudy, with a low around 75. West southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.
T-storms
Likely then
Mostly Cloudy
Tuesday

Tuesday: Showers and thunderstorms likely after 2pm.  Partly sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon.  Chance of precipitation is 60%.
Partly Sunny
then T-storms
Likely
Tuesday
Night
Tuesday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.
T-storms
Likely then
Slight Chance
T-storms
Lo 74 °F Hi 89 °F Lo 74 °F Hi 91 °F Lo 75 °F Hi 93 °F Lo 75 °F Hi 92 °F Lo 74 °F

 

Overnight
 
Mostly cloudy, with a low around 74. Calm wind.
Saturday
 
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 89. Northwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 10pm. Low around 74. East northeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
 
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
 
Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 75. South southwest wind around 5 mph. Chance of precipitation is 60%.
Monday
 
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 93. West southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Monday Night
 
Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 75. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
 
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
 
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday
 
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 92. Southwest wind around 5 mph. Chance of precipitation is 60%.
Wednesday Night
 
Showers and thunderstorms likely. Partly cloudy, with a low around 74. South southwest wind around 5 mph. Chance of precipitation is 60%.
Thursday
 
Showers and thunderstorms likely. Sunny, with a high near 93. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday Night
 
Showers and thunderstorms likely. Partly cloudy, with a low around 75. South southwest wind around 5 mph. Chance of precipitation is 60%.
Friday
 
Showers and thunderstorms likely. Mostly sunny, with a high near 92. Southwest wind around 5 mph. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Deltona FL.