Lake Killarney, IL 7-Day Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Lake Killarney, IL 7-Day Weather Forecast

Current Conditions

Settings
Lake Killarney IL weather  - Light Rain - 69°F
Light Rain
69°F
Updated 11:49 am
Feels Like 74°F
Humidity 89%
Wind SW 7 mph
Barometer  29.88 in
Dew Point 66°F
Lake Killarney IL weather  - Light Rain - 21°C
Light Rain
21°C
Updated 11:49 am
Feels Like 23°C
Humidity 89%
Wind SW 11 km/h
Barometer  101.2 kPa
Dew Point 19°C
Weather in Lake KillarneyLake Killarney Weather

Lake Killarney Weather Forecast

Weather Lake KillarneyLake Killarney weather forecast

Lake Killarney, IL Weather Forecast Date: 1036 AM CDT Thu Oct 01 2026

Weather forecast for Lake Killarney, IL


Today
Lake Killarney IL Weather for Rest Of Today - Chance Of T-Storm
Hi: 69°FHi: 21°C
Lo: 49°F
Lo: 9°C
Rest of Today... A slight chance of thunderstorms late in the morning. Rain. Highs in the upper 60s. Southwest winds 5 to 10 mph, becoming north in the afternoon. Chance of precipitation near 100%.
Fri
Lake Killarney IL Weather for Friday - Partly Cloudy
Hi: 61°FHi: 16°C
Lo: 41°F
Lo: 5°C
Friday... Partly cloudy in the morning, then becoming sunny. Highs in the lower 60s. North winds 5 to 10 mph.
Sat
Lake Killarney IL Weather for Saturday - Sunny
Hi: 65°FHi: 18°C
Lo: 45°F
Lo: 7°C
Saturday... Sunny. Highs in the mid 60s. Southeast winds 5 to 10 mph.
Sun
Lake Killarney IL Weather for Sunday - Mostly Sunny
Hi: 69°FHi: 21°C
Lo: 41°F
Lo: 5°C
Sunday... Mostly sunny. Highs in the upper 60s.
Mon
Lake Killarney IL Weather for Monday - Sunny
Hi: 61°FHi: 16°C
Lo: 41°F
Lo: 5°C
Monday... Sunny. Highs in the lower 60s.
Tue
Lake Killarney IL Weather for Tuesday - Mostly Sunny
Hi: 65°FHi: 18°C
Lo: 49°F
Lo: 9°C
Tuesday... Mostly sunny. Highs in the mid 60s.
Wed
Lake Killarney IL Weather for Wednesday - Mostly Cloudy
Hi: 69°FHi: 21°C
Wednesday... Mostly cloudy. Highs in the upper 60s.

Trending Headlines

Lake Killarney Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Lake Killarney Quick Facts

National Two Day Weather Forecast

E-mail the Lake Killarney Weather Forecast

Voice your opinion or tell us about page issues...