Lake Bluff, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 74°F 23°C Heat Index: 74°F	Observed at: Lake Bluff, IL	Elevation: 1000 ft | 305 m
	Last Updated: July 27, 7:00 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 74°F | 23°C
	Pressure: 28.96 in | 980.7 mb	Dewpoint: 69°F | 21°C
	Humidity: 83%	Wind: SSW 11 mph | SSW 18 kph
	Feels Like: 77°F | 25°C	Visibility: 34.5 mi | 55.4 km
	Lat/Long: 42.2789 | -87.8342	Sunrise: 5:39 AM   Sunset: 8:16 PM

7 Day Graphical Forecast

Valid: 6:54 AM 7/29/2026

Today Thunderstorm 83 |71 °F 28 |22 °C 54% Chance Precipitation Tuesday Overcast 75 |64 °F 24 |18 °C 1% Chance Precipitation Wednesday Overcast 87 |61 °F 31 |16 °C 0% Chance Precipitation Thursday Overcast 89 |69 °F 32 |21 °C 6% Chance Precipitation Friday Light Drizzle 77 |69 °F 25 |20 °C 38% Chance Precipitation Saturday Drizzle 85 |64 °F 29 |18 °C 42% Chance Precipitation Sunday Mostly Clear 81 |68 °F 27 |20 °C 20% Chance Precipitation

7 Hour Graphical Forecast

Valid: 6:54 AM 7/29/2026

6 AM Clear 61 °F 0% Chance Precipitation

7 AM Clear 64 °F 0% Chance Precipitation

8 AM Clear 68 °F 0% Chance Precipitation

9 AM Clear 71 °F 0% Chance Precipitation

10 AM Clear 73 °F 0% Chance Precipitation

11 AM Clear 76 °F 0% Chance Precipitation

12 PM Clear 79 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Lake Bluff, IL - (Fahrenheit & Celsius) Valid: 6:54 AM 7/29/2026 Today Thunderstorm with a high near 83°F [28°C]. S wind to around 22 mph [35 kph], with gusts to near 41 mph [65 kph]. Dewpoint near 69°F [21°C] with humidity of 100%. Pressure around 28.96 in [980.7 mb]. UV Index: 6.8. Chance of precipitation 54% with QPF of 1.21 in [30.6 mm]. Tonight Thunderstorm with a low around 71°F [22°C]. S wind to around 22 mph [35 kph], with gusts to near 41 mph [65 kph]. Chance of precipitation 54% with QPF of 1.21 in [30.6 mm]. Tuesday Overcast with a high near 75°F [24°C]. N wind to around 16 mph [26 kph], with gusts to near 32 mph [52 kph]. Dewpoint near 69°F [21°C] with humidity of 96%. Pressure around 28.96 in [980.7 mb]. UV Index: 7.3. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 64°F [18°C]. N wind to around 16 mph [26 kph], with gusts to near 32 mph [52 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 87°F [31°C]. N wind to around 7 mph [11 kph], with gusts to near 21 mph [34 kph]. Dewpoint near 69°F [21°C] with humidity of 84%. Pressure around 28.96 in [980.7 mb]. UV Index: 7.3. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 61°F [16°C]. N wind to around 7 mph [11 kph], with gusts to near 21 mph [34 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 89°F [32°C]. W wind to around 12 mph [20 kph], with gusts to near 18 mph [29 kph]. Dewpoint near 69°F [21°C] with humidity of 83%. Pressure around 28.96 in [980.7 mb]. UV Index: 7.25. Chance of precipitation 6% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 69°F [21°C]. W wind to around 12 mph [20 kph], with gusts to near 18 mph [29 kph]. Chance of precipitation 6% with QPF of 0.00 in [0.0 mm]. Friday Light Drizzle with a high near 77°F [25°C]. WNW wind to around 9 mph [14 kph], with gusts to near 22 mph [35 kph]. Dewpoint near 69°F [21°C] with humidity of 88%. Pressure around 28.96 in [980.7 mb]. UV Index: 2.3. Chance of precipitation 38% with QPF of 0.02 in [0.6 mm]. Friday Night Light Drizzle with a low around 69°F [20°C]. WNW wind to around 9 mph [14 kph], with gusts to near 22 mph [35 kph]. Chance of precipitation 38% with QPF of 0.02 in [0.6 mm]. Saturday Drizzle with a high near 85°F [29°C]. NNE wind to around 9 mph [15 kph], with gusts to near 26 mph [41 kph]. Dewpoint near 69°F [21°C] with humidity of 94%. Pressure around 28.96 in [980.7 mb]. UV Index: 7.25. Chance of precipitation 42% with QPF of 0.04 in [0.9 mm]. Saturday Night Drizzle with a low around 64°F [18°C]. NNE wind to around 9 mph [15 kph], with gusts to near 26 mph [41 kph]. Chance of precipitation 42% with QPF of 0.04 in [0.9 mm]. Sunday Mostly Clear with a high near 81°F [27°C]. NNE wind to around 12 mph [19 kph], with gusts to near 26 mph [42 kph]. Dewpoint near 69°F [21°C] with humidity of 80%. Pressure around 28.96 in [980.7 mb]. UV Index: 7.05. Chance of precipitation 20% with QPF of 0.00 in [0.0 mm]. Sunday Night Mostly Clear with a low around 68°F [20°C]. NNE wind to around 12 mph [19 kph], with gusts to near 26 mph [42 kph]. Chance of precipitation 20% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Lake Bluff, IL

Today: 30.6 mm | 1.21 in

Tonight: 30.6 mm | 1.21 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 0.6 mm | 0.02 in

Friday Night: 0.6 mm | 0.02 in

Saturday: 0.9 mm | 0.04 in

Saturday Night: 0.9 mm | 0.04 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Lake Bluff, IL

Today: S @ 35 kph | 22 mph

Tonight: S @ 35 kph | 22 mph

Tuesday: N @ 26 kph | 16 mph

Tuesday Night: N @ 26 kph | 16 mph

Wednesday: N @ 11 kph | 7 mph

Wednesday Night: N @ 11 kph | 7 mph

Thursday: W @ 20 kph | 12 mph

Thursday Night: W @ 20 kph | 12 mph

Friday: WNW @ 14 kph | 9 mph

Friday Night: WNW @ 14 kph | 9 mph

Saturday: NNE @ 15 kph | 9 mph

Saturday Night: NNE @ 15 kph | 9 mph

Sunday: NNE @ 19 kph | 12 mph

Sunday Night: NNE @ 19 kph | 12 mph

7 Day and Night - Maximum Humidity Forecast for Lake Bluff, IL

Today: 100 %

Tonight: 100 %

Tuesday: 96 %

Tuesday Night: 96 %

Wednesday: 84 %

Wednesday Night: 84 %

Thursday: 83 %

Thursday Night: 83 %

Friday: 88 %

Friday Night: 88 %

Saturday: 94 %

Saturday Night: 94 %

Sunday: 80 %

Sunday Night: 80 %

7 Day and Night - Snowfall Totals Forecast for Lake Bluff, IL

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

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