NWS Forecast for Fort Wayne IN

National Weather Service Forecast for: Fort Wayne IN
Issued by: National Weather Service Northern Indiana

Updated: 4:16 pm EST Dec 21, 2025

Tonight Increasing Clouds	Monday Mostly Cloudy	Monday Night Chance Rain	Tuesday Mostly Cloudy	Tuesday Night Mostly Cloudy	Wednesday Mostly Cloudy then Slight Chance Rain	Wednesday Night Rain	Christmas Day Cloudy	Thursday Night Chance Rain
Lo 21 °F	Hi 42 °F	Lo 37 °F	Hi 49 °F	Lo 31 °F	Hi 46 °F	Lo 43 °F	Hi 59 °F	Lo 48 °F

Tonight	Increasing clouds, with a low around 21. West wind around 5 mph becoming south in the evening.
Monday	Mostly cloudy, with a high near 42. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night	A 30 percent chance of rain before 1am. Cloudy, with a low around 37. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday	Mostly cloudy, with a high near 49. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night	Mostly cloudy, with a low around 31. West wind around 5 mph becoming calm in the evening.
Wednesday	A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.
Wednesday Night	Rain, mainly before 1am. Low around 43. Chance of precipitation is 80%.
Christmas Day	Cloudy, with a high near 59.
Thursday Night	A 40 percent chance of rain. Mostly cloudy, with a low around 48.
Friday	A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 58.
Friday Night	A 20 percent chance of rain. Partly cloudy, with a low around 39.
Saturday	A 20 percent chance of rain. Mostly cloudy, with a high near 50.
Saturday Night	A chance of rain. Mostly cloudy, with a low around 29.
Sunday	Partly sunny, with a high near 37.

Forecast from NOAA-NWS for Fort Wayne IN.