National Weather Service Forecast for: Union Park FL
Issued by: National Weather Service Melbourne, FL
Updated: 12:39 am EST Dec 17, 2025
 
Overnight

Overnight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 56. North northeast wind around 5 mph becoming calm.
Patchy Fog

 Wednesday

Wednesday: A chance of sprinkles after 9am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 76. Light north northeast wind becoming east 5 to 10 mph in the morning.
Patchy Fog
then Mostly
Cloudy
 Wednesday
Night
Wednesday Night: A chance of sprinkles before midnight. Mostly cloudy, with a low around 61. East northeast wind around 5 mph.
Chance
Sprinkles
 Thursday

Thursday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 81. East wind 5 to 10 mph becoming south southeast in the afternoon.
Partly Sunny
then Chance
Showers
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 66. South southeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 40%.
Chance
Showers
 Friday

Friday: Mostly sunny, with a high near 78. West northwest wind 5 to 10 mph.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 52. North wind around 5 mph.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 76. North wind around 5 mph becoming east in the afternoon.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 56. East northeast wind around 5 mph becoming calm in the evening.
Mostly Clear
Lo 56 °F Hi 76 °F Lo 61 °F Hi 81 °F Lo 66 °F Hi 78 °F Lo 52 °F Hi 76 °F Lo 56 °F

 

Overnight
 
 Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 56. North northeast wind around 5 mph becoming calm.
Wednesday
 
 A chance of sprinkles after 9am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 76. Light north northeast wind becoming east 5 to 10 mph in the morning.
Wednesday Night
 
 A chance of sprinkles before midnight. Mostly cloudy, with a low around 61. East northeast wind around 5 mph.
Thursday
 
 A 40 percent chance of showers after 1pm. Partly sunny, with a high near 81. East wind 5 to 10 mph becoming south southeast in the afternoon.
Thursday Night
 
 A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 66. South southeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 40%.
Friday
 
 Mostly sunny, with a high near 78. West northwest wind 5 to 10 mph.
Friday Night
 
 Mostly clear, with a low around 52. North wind around 5 mph.
Saturday
 
 Sunny, with a high near 76. North wind around 5 mph becoming east in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 56. East northeast wind around 5 mph becoming calm in the evening.
Sunday
 
 Sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
 
 Mostly clear, with a low around 58. East northeast wind around 5 mph.
Monday
 
 Sunny, with a high near 78. Northeast wind 5 to 10 mph.
Monday Night
 
 Mostly clear, with a low around 61. Northeast wind around 5 mph.
Tuesday
 
 Sunny, with a high near 77. East northeast wind 5 to 10 mph.

 

Forecast from NOAA-NWS for Union Park FL.