National Weather Service Forecast for: Zionsville IN
Issued by: National Weather Service Indianapolis, IN
Updated: 11:45 am EDT May 26, 2026
 
This
Afternoon
This Afternoon: A 20 percent chance of showers after 3pm. Cloudy, with a high near 80. East southeast wind around 6 mph.
Slight Chance
Showers

 Tonight

Tonight: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 63. Southeast wind around 5 mph becoming calm in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Chance
T-storms
 Wednesday

Wednesday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 78. North wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Chance
T-storms
 Wednesday
Night
Wednesday Night: A slight chance of thunderstorms before 8pm. Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Slight Chance
T-storms then
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 80. Northeast wind 8 to 10 mph.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 56. East northeast wind 5 to 8 mph.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 78. East northeast wind around 6 mph.
Mostly Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 56. Light northeast wind.
Partly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 76. East northeast wind 5 to 10 mph.
Mostly Sunny
Hi 80 °F Lo 63 °F Hi 78 °F Lo 62 °F Hi 80 °F Lo 56 °F Hi 78 °F Lo 56 °F Hi 76 °F

Hazardous Weather Outlook
 

This Afternoon
 
 A 20 percent chance of showers after 3pm. Cloudy, with a high near 80. East southeast wind around 6 mph.
Tonight
 
 A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 63. Southeast wind around 5 mph becoming calm in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 78. North wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 A slight chance of thunderstorms before 8pm. Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Thursday
 
 Mostly sunny, with a high near 80. Northeast wind 8 to 10 mph.
Thursday Night
 
 Partly cloudy, with a low around 56. East northeast wind 5 to 8 mph.
Friday
 
 Mostly sunny, with a high near 78. East northeast wind around 6 mph.
Friday Night
 
 Partly cloudy, with a low around 56. Light northeast wind.
Saturday
 
 Mostly sunny, with a high near 76. East northeast wind 5 to 10 mph.
Saturday Night
 
 Mostly clear, with a low around 53. East northeast wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
 
 Sunny, with a high near 75.
Sunday Night
 
 Mostly clear, with a low around 55.
Monday
 
 Sunny, with a high near 78.

 

Forecast from NOAA-NWS for Zionsville IN.