National Weather Service Forecast for: Valparaiso IN
Issued by: National Weather Service Chicago, IL
Updated: 9:26 pm CDT Jun 18, 2026
 
Tonight

Tonight: Mostly clear, with a low around 57. Calm wind becoming west southwest around 5 mph after midnight.
Mostly Clear

Juneteenth

Juneteenth: Sunny, with a high near 74. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunny

Friday
Night
Friday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 58. Calm wind becoming west around 5 mph after midnight. Winds could gust as high as 10 mph.
Partly Cloudy
then Chance
Showers
Saturday

Saturday: Sunny, with a high near 77. West southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Sunny

Saturday
Night
Saturday Night: Partly cloudy, with a low around 58. North wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Sunday

Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Chance
Showers then
Showers
Likely
Sunday
Night
Sunday Night: Showers and possibly a thunderstorm.  Low around 58. Chance of precipitation is 80%.
Showers

Monday

Monday: Partly sunny, with a high near 70.
Partly Sunny

Monday
Night
Monday Night: Partly cloudy, with a low around 55.
Partly Cloudy

Lo 57 °F Hi 74 °F Lo 58 °F Hi 77 °F Lo 58 °F Hi 72 °F Lo 58 °F Hi 70 °F Lo 55 °F

 

Tonight
 
Mostly clear, with a low around 57. Calm wind becoming west southwest around 5 mph after midnight.
Juneteenth
 
Sunny, with a high near 74. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
 
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. Calm wind becoming west around 5 mph after midnight. Winds could gust as high as 10 mph.
Saturday
 
Sunny, with a high near 77. West southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
 
Partly cloudy, with a low around 58. North wind around 5 mph becoming calm in the evening.
Sunday
 
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Sunday Night
 
Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 80%.
Monday
 
Partly sunny, with a high near 70.
Monday Night
 
Partly cloudy, with a low around 55.
Tuesday
 
Mostly sunny, with a high near 72.
Tuesday Night
 
Partly cloudy, with a low around 56.
Wednesday
 
A chance of showers. Mostly sunny, with a high near 74.
Wednesday Night
 
A chance of showers. Partly cloudy, with a low around 57.
Thursday
 
Mostly sunny, with a high near 75.

 

Forecast from NOAA-NWS for Valparaiso IN.