National Weather Service Forecast for: Union Park FL
Issued by: National Weather Service Melbourne, FL
Updated: 2:39 pm EDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 70. Windy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly Sunny
and Windy
Tonight

Tonight: Mostly cloudy, with a low around 54. North wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Cloudy

Friday

Friday: Sunny, with a high near 75. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunny

Friday
Night
Friday Night: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 52. North wind 5 to 10 mph.
Mostly Clear
then Patchy
Fog
Saturday

Saturday: Patchy fog before 10am.  Otherwise, sunny, with a high near 81. Northwest wind around 5 mph.
Patchy Fog
then Sunny
Saturday
Night
Saturday Night: Patchy fog after 3am.  Otherwise, clear, with a low around 55. West wind around 5 mph.
Clear then
Patchy Fog
Sunday

Sunday: Patchy fog before 10am.  Otherwise, sunny, with a high near 85. West wind 5 to 10 mph.
Patchy Fog
then Sunny
Sunday
Night
Sunday Night: Clear, with a low around 58. West wind 5 to 10 mph.
Clear

Monday

Monday: Sunny, with a high near 87. West wind 5 to 10 mph.
Sunny

Hi 70 °F Lo 54 °F Hi 75 °F Lo 52 °F Hi 81 °F Lo 55 °F Hi 85 °F Lo 58 °F Hi 87 °F

 

This Afternoon
 
Mostly sunny, with a high near 70. Windy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
 
Mostly cloudy, with a low around 54. North wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
 
Sunny, with a high near 75. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
 
Patchy fog after 3am. Otherwise, mostly clear, with a low around 52. North wind 5 to 10 mph.
Saturday
 
Patchy fog before 10am. Otherwise, sunny, with a high near 81. Northwest wind around 5 mph.
Saturday Night
 
Patchy fog after 3am. Otherwise, clear, with a low around 55. West wind around 5 mph.
Sunday
 
Patchy fog before 10am. Otherwise, sunny, with a high near 85. West wind 5 to 10 mph.
Sunday Night
 
Clear, with a low around 58. West wind 5 to 10 mph.
Monday
 
Sunny, with a high near 87. West wind 5 to 10 mph.
Monday Night
 
Mostly clear, with a low around 62. West wind 5 to 10 mph.
Tuesday
 
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Northwest wind 5 to 10 mph becoming northeast in the afternoon.
Tuesday Night
 
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. East northeast wind 5 to 10 mph.
Wednesday
 
A 30 percent chance of showers. Mostly sunny, with a high near 84. East northeast wind 5 to 10 mph.

 

Forecast from NOAA-NWS for Union Park FL.