Louisville, Kentucky Weather:
Active Weather Warnings
Sunday, October 18, 2026
Sunny Weather
Day 66°
Night 43°
Precipitation 3 %
Wind 6 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (October 18, 2025)
Rainy Night

Day

82°

Night

59°

Wind

14 mph

Precipitation

94 %

Weather Alerts and Warnings for

Minor Expected Likely

Frost Advisory

Frost Advisory issued October 17 at 12:57AM EDT until October 18 at 9:00AM EDT by NWS Louisville KY
Oct 18, 1:00 AM → Oct 18, 9:00 AM
WHAT: Temperatures as low as 33 will result in frost formation.

WHERE: Portions of south central Indiana and east central, north
central, northwest, and south central Kentucky.

WHEN: From 1 AM EDT /midnight CDT/ to 9 AM EDT /8 AM CDT/ Sunday.

IMPACTS: Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
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Take steps now to protect tender plants from the cold.
Updated: Oct 17, 10:08 AM Source: NWS Alert