Chilly start, pleasant week ahead for central Indiana | Oct. 19, 2026

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Marcus’ 4 a.m. Monday forecast

INDIANAPOLIS (WISH) — A frost advisory remains in effect until 9 a.m. Monday as temperatures dip into the 30s across central Indiana.


TODAY

Patchy to widespread frost blankets the area this morning, especially north and east of Indianapolis. The frost advisory expires at 9 a.m.

Skies will be clear through the afternoon with highs reaching the upper 60s across most of central Indiana.


TONIGHT

Clear skies and calm winds allow temperatures to drop into the low to mid-40s. A few rural areas could dip into the upper 30s.


TUESDAY

Mostly sunny skies continue with light winds. Highs climb into the upper 60s to near 70 degrees. Dewpoints remain comfortable in the mid-40s to around 50 degrees. Overnight lows in the mid-40s.


WEDNESDAY

Another pleasant day with mostly clear skies. Temperatures begin warming slightly with highs in the upper 60s to lower 70s. Light easterly winds. Lows in the mid to upper 40s.


7-DAY FORECAST

The week ahead brings quiet, seasonably mild weather with no rain in sight. Expect cool mornings in the 40s and pleasant afternoons in the upper 60s to mid-70s—running slightly above normal for mid-October. Conditions look ideal for outdoor activities through the weekend.

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