Weather WorldHartman Lake, AR 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Hartman Lake, AR Weather Forecast
Hartman Lake, AR Weather Forecast Date: 851 AM CDT Sat Oct 10 2026
The area/counties/county of: Southern Johnson County, including the cities of: Clarksville, Coal Hill, Hartman, and Knoxville.or toggle through each period.
Today... Sunny. Highs in the mid 80s. East winds around 5 mph, becoming south this afternoon.
Tonight... Mostly clear. Lows in the upper 50s. East winds around 5 mph, becoming north around 5 mph after midnight.
Sunday... Sunny. Highs around 90. West winds 5 to 10 mph.
Sunday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. Southwest winds around 5 mph in the evening, becoming light and variable.
Columbus Day... Sunny. Highs in the lower 90s. Southwest winds 5 to 10 mph.
Monday Night... Clear. Lows in the mid 60s.
Tuesday... Sunny. Highs in the lower 90s.
Tuesday Night... Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows around 70. Chance of rain 20%.
Wednesday... Partly cloudy. A chance of showers and thunderstorms. Highs around 90. Lows in the upper 60s. Chance of rain 50%.
Wednesday Night... Partly cloudy. A chance of showers and thunderstorms. Highs around 90. Lows in the upper 60s. Chance of rain 50%.
Thursday... Mostly sunny with a 50% chance of showers. Highs in the mid 80s.
Thursday Night... Mostly cloudy with a 40% chance of showers. Lows around 60.
POP = Probability of Precipitation
Hartman Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...