National Weather Service Forecast for: Plainfield IN
Issued by: National Weather Service Indianapolis, IN
Updated: 1:15 am EST Dec 18, 2025
 
Overnight

Overnight: Cloudy, with a low around 36. South wind 9 to 11 mph, with gusts as high as 21 mph.
Cloudy


 Thursday

Thursday: Rain before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then rain after 4pm. High near 52. Breezy, with a south wind 15 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Rain and
Breezy

 Thursday
Night
Thursday Night: A chance of rain before 11pm, then a chance of snow between 11pm and 1am. Mostly cloudy, with a low around 19. Breezy, with a west wind 13 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Chance
Rain/Snow
then Chance
Snow and
Breezy
 Friday

Friday: Mostly cloudy, then gradually becoming sunny, with a high near 29. West wind 10 to 18 mph, with gusts as high as 29 mph.
Decreasing
Clouds

 Friday
Night
Friday Night: Partly cloudy, with a low around 24. South wind 6 to 10 mph, with gusts as high as 21 mph.
Partly Cloudy


 Saturday

Saturday: Mostly cloudy, with a high near 46. South wind around 15 mph, with gusts as high as 28 mph.
Mostly Cloudy


 Saturday
Night
Saturday Night: A slight chance of rain showers before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 25. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Isolated
Showers then
Isolated
Rain/Snow
 Sunday

Sunday: Mostly sunny, with a high near 37. West northwest wind around 7 mph.
Mostly Sunny


 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 24. North wind around 5 mph becoming east after midnight.
Mostly Cloudy
Lo 36 °F Hi 52 °F Lo 19 °F Hi 29 °F Lo 24 °F Hi 46 °F Lo 25 °F Hi 37 °F Lo 24 °F

 

Overnight
 
 Cloudy, with a low around 36. South wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday
 
 Rain before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then rain after 4pm. High near 52. Breezy, with a south wind 15 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
 
 A chance of rain before 11pm, then a chance of snow between 11pm and 1am. Mostly cloudy, with a low around 19. Breezy, with a west wind 13 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Friday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 29. West wind 10 to 18 mph, with gusts as high as 29 mph.
Friday Night
 
 Partly cloudy, with a low around 24. South wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday
 
 Mostly cloudy, with a high near 46. South wind around 15 mph, with gusts as high as 28 mph.
Saturday Night
 
 A slight chance of rain showers before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 25. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Sunday
 
 Mostly sunny, with a high near 37. West northwest wind around 7 mph.
Sunday Night
 
 Mostly cloudy, with a low around 24. North wind around 5 mph becoming east after midnight.
Monday
 
 Partly sunny, with a high near 41. East southeast wind around 7 mph.
Monday Night
 
 Isolated showers. Mostly cloudy, with a low around 35. Chance of precipitation is 20%.
Tuesday
 
 Isolated showers. Mostly cloudy, with a high near 49. Chance of precipitation is 20%.
Tuesday Night
 
 Isolated showers. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Wednesday
 
 Isolated showers. Mostly cloudy, with a high near 49. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Plainfield IN.