| NWS Forecast for: Washington County Issued by: National Weather Service Louisville, KY Last Update: 407 AM EDT Fri Sep 18 2026 | |
| Today: Sunny. A 20 percent chance of thunderstorms late in the afternoon. Highs in the mid 90s. Northwest winds up to 5 mph. Tonight: Mostly cloudy with a 20 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 60s. Northeast winds up to 5 mph. Saturday: Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 90s. East winds up to 5 mph shifting to the south in the afternoon. Saturday Night: Partly cloudy with a 20 percent chance of thunderstorms. Lows around 70. South winds up to 5 mph. Sunday: Mostly sunny. Highs in the lower 90s. Southwest winds 5 to 10 mph. Sunday Night: Partly cloudy. Lows in the upper 60s. Monday: Mostly sunny. A 30 percent chance of thunderstorms in the afternoon. Highs in the upper 80s. Monday Night: Partly cloudy with chance of thunderstorms in the evening, then mostly cloudy with chance of showers and slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of precipitation 50 percent. Tuesday: Partly sunny. Chance of showers in the morning, then chance of showers and slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 40 percent. Tuesday Night: Mostly cloudy. Chance of showers and slight chance of thunderstorms in the evening, then slight chance of showers after midnight. Lows around 60. Chance of precipitation 40 percent. Wednesday: Partly sunny. Highs in the mid 70s. Wednesday Night: Partly cloudy. Lows in the upper 50s. Thursday: Partly sunny. Highs in the mid 70s. | |
| Zone Forecast: Washington County | |
Visit your local NWS office at: https://www.weather.gov/lmk/ |