National Weather Service Forecast for: Plainfield IN
Issued by: National Weather Service Indianapolis, IN
Updated: 1:15 pm EDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 68. South wind around 6 mph.
Sunny
 Tonight

Tonight: Partly cloudy, with a low around 47. South wind 5 to 7 mph.
Partly Cloudy
 Friday

Friday: Partly sunny, with a high near 74. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Partly Sunny
 Friday
Night
Friday Night: Mostly cloudy, with a low around 46. West wind 5 to 7 mph becoming north after midnight.
Mostly Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 70. Light and variable wind becoming south southwest around 6 mph in the morning.
Mostly Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 54. South southwest wind 5 to 7 mph.
Mostly Clear
 Sunday

Sunday: Mostly sunny, with a high near 78. South southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Mostly Sunny
 Sunday
Night
Sunday Night: A 20 percent chance of rain and thunderstorms before 2am. Mostly cloudy, with a low around 38. North wind around 14 mph, with gusts as high as 24 mph.
Slight Chance
T-storms
 Monday

Monday: Mostly sunny, with a high near 49. North wind around 13 mph, with gusts as high as 22 mph.
Mostly Sunny
Hi 68 °F Lo 47 °F Hi 74 °F Lo 46 °F Hi 70 °F Lo 54 °F Hi 78 °F Lo 38 °F Hi 49 °F

 

This Afternoon
 
 Sunny, with a high near 68. South wind around 6 mph.
Tonight
 
 Partly cloudy, with a low around 47. South wind 5 to 7 mph.
Friday
 
 Partly sunny, with a high near 74. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Friday Night
 
 Mostly cloudy, with a low around 46. West wind 5 to 7 mph becoming north after midnight.
Saturday
 
 Mostly sunny, with a high near 70. Light and variable wind becoming south southwest around 6 mph in the morning.
Saturday Night
 
 Mostly clear, with a low around 54. South southwest wind 5 to 7 mph.
Sunday
 
 Mostly sunny, with a high near 78. South southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Sunday Night
 
 A 20 percent chance of rain and thunderstorms before 2am. Mostly cloudy, with a low around 38. North wind around 14 mph, with gusts as high as 24 mph.
Monday
 
 Mostly sunny, with a high near 49. North wind around 13 mph, with gusts as high as 22 mph.
Monday Night
 
 Partly cloudy, with a low around 31. North wind 5 to 7 mph.
Tuesday
 
 Partly sunny, with a high near 55.
Tuesday Night
 
 Mostly cloudy, with a low around 37.
Wednesday
 
 Partly sunny, with a high near 62.

 

Forecast from NOAA-NWS for Plainfield IN.