Current Conditions

Lake Forest, Illinois

61°F16°C

Partly Cloudy

Wind

ENE 15 mph25 km/h

Humidity

72%

Cloud Cover

56%

As of Tuesday, September 22, 2026 at 8:33 PM CDT

Today's Outlook

Night

Mostly cloudy, with a low around 58°F15°C. Breezy from the ENE at 12 to 15 mph19 to 23 km/h.

7-Day Forecast

Condition	High (°F)	Low (°F)	Precip (mm)	Cloud Cover (%)	Wind (mph)
Partly Cloudy	High 63°F17°C	Low 58°F14°C	Precip 0 in0.1 mm1%	Cloud 64%	Wind ENE 12 mph20 km/h	Wednesday: Mostly cloudy and mild, with a high of 62°F17°C and morning low of 58°F14°C. Breezy from the NE at 13 mph21 km/h. Wednesday Night: Mostly cloudy, with a low around 58°F15°C. Breezy from the ENE at 12 to 15 mph19 to 23 km/h.
Partly Cloudy	High 63°F17°C	Low 59°F15°C	Precip 0 in0 mm—	Cloud 43%	Wind ENE 9 mph15 km/h	Thursday: Partly cloudy and mild, with a high of 63°F17°C. Breezy from the ENE at 10 to 11 mph16 to 17 km/h. Thursday Night: Mostly cloudy, with a low around 60°F16°C. Breezy from the ENE at 9 to 11 mph14 to 17 km/h.
Partly Cloudy	High 64°F18°C	Low 60°F15°C	Precip 0 in0 mm—	Cloud 73%	Wind E 7 mph12 km/h	Friday: Mostly cloudy and mild, with a high of 64°F18°C and morning low of 60°F15°C. Breezy from the E at 7 to 8 mph12 to 14 km/h. Friday Night: Mostly cloudy, with a low around 61°F16°C. Breezy from the E at 7 to 8 mph12 to 13 km/h.
Partly Cloudy	High 64°F18°C	Low 60°F15°C	Precip 0 in0.1 mm3%	Cloud 77%	Wind E 7 mph12 km/h	Saturday: Overcast and mild, with a high of 64°F18°C and morning low of 60°F15°C. Breezy from the ESE at 8 mph12 km/h. Saturday Night: Mostly cloudy, with a low around 61°F16°C. Breezy from the E at 7 to 8 mph12 to 13 km/h.
Drizzle	High 66°F19°C	Low 61°F16°C	Precip 0.02 in0.6 mm13%	Cloud 65%	Wind ENE 5 mph9 km/h	Sunday: Mostly cloudy and mild, with a high of 66°F19°C and morning low of 61°F16°C. Light wind from the ENE around 5 mph8 km/h. 13% chance of drizzle in the morning. Sunday Night: Mostly cloudy, with a low around 61°F16°C. Light wind from the ENE around 5 mph9 km/h.
Clear	High 68°F20°C	Low 60°F16°C	Precip 0 in0 mm—	Cloud 32%	Wind NE 5 mph9 km/h	Monday: Partly cloudy and mild, with a high of 68°F20°C and morning low of 60°F16°C. Light wind from the NE around 5 mph8 km/h. Monday Night: Partly cloudy, with a low around 61°F16°C. Light wind from the ENE around 6 mph10 km/h.
Showers	High 69°F21°C	Low 61°F16°C	Precip 0.08 in2 mm26%	Cloud 68%	Wind SSE 9 mph15 km/h	Tuesday: Mostly cloudy and warm, with a high of 69°F21°C and morning low of 61°F16°C. Breezy from the SSE at 9 to 11 mph15 to 17 km/h. 10% chance of drizzle around midday. Tuesday Night: Mostly cloudy, with a low around 62°F16°C. Breezy from the SSE at 9 to 12 mph15 to 19 km/h. 26% chance of showers in the evening.

15-Day Forecast

	Day	High	Low	Precip	Cloud Cover	Condition	Wind
	WednesdaySep 23	63°F17°C	58°F14°C	0 in0.1 mm· 1%	64%	Partly Cloudy	ENE 12 mph20 km/h
DayMostly cloudy and mild, with a high of 62°F17°C and morning low of 58°F14°C. Breezy from the NE at 13 mph21 km/h. NightMostly cloudy, with a low around 58°F15°C. Breezy from the ENE at 12 to 15 mph19 to 23 km/h.
	ThursdaySep 24	63°F17°C	59°F15°C	0 in0 mm· —	43%	Partly Cloudy	ENE 9 mph15 km/h
DayPartly cloudy and mild, with a high of 63°F17°C. Breezy from the ENE at 10 to 11 mph16 to 17 km/h. NightMostly cloudy, with a low around 60°F16°C. Breezy from the ENE at 9 to 11 mph14 to 17 km/h.
	FridaySep 25	64°F18°C	60°F15°C	0 in0 mm· —	73%	Partly Cloudy	E 7 mph12 km/h
DayMostly cloudy and mild, with a high of 64°F18°C and morning low of 60°F15°C. Breezy from the E at 7 to 8 mph12 to 14 km/h. NightMostly cloudy, with a low around 61°F16°C. Breezy from the E at 7 to 8 mph12 to 13 km/h.
	SaturdaySep 26	64°F18°C	60°F15°C	0 in0.1 mm· 3%	77%	Partly Cloudy	E 7 mph12 km/h
DayOvercast and mild, with a high of 64°F18°C and morning low of 60°F15°C. Breezy from the ESE at 8 mph12 km/h. NightMostly cloudy, with a low around 61°F16°C. Breezy from the E at 7 to 8 mph12 to 13 km/h.
	SundaySep 27	66°F19°C	61°F16°C	0.02 in0.6 mm· 13%	65%	Drizzle	ENE 5 mph9 km/h
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 61°F16°C. Light wind from the ENE around 5 mph8 km/h. 13% chance of drizzle in the morning. NightMostly cloudy, with a low around 61°F16°C. Light wind from the ENE around 5 mph9 km/h.
	MondaySep 28	68°F20°C	60°F16°C	0 in0 mm· —	32%	Clear	NE 5 mph9 km/h
DayPartly cloudy and mild, with a high of 68°F20°C and morning low of 60°F16°C. Light wind from the NE around 5 mph8 km/h. NightPartly cloudy, with a low around 61°F16°C. Light wind from the ENE around 6 mph10 km/h.
	TuesdaySep 29	69°F21°C	61°F16°C	0.08 in2 mm· 26%	68%	Showers	SSE 9 mph15 km/h
DayMostly cloudy and warm, with a high of 69°F21°C and morning low of 61°F16°C. Breezy from the SSE at 9 to 11 mph15 to 17 km/h. 10% chance of drizzle around midday. NightMostly cloudy, with a low around 62°F16°C. Breezy from the SSE at 9 to 12 mph15 to 19 km/h. 26% chance of showers in the evening.
	WednesdaySep 30	66°F19°C	62°F17°C	0.34 in8.6 mm· 40%	81%	Light Rain	S 12 mph20 km/h
DayOvercast and mild, with a high of 66°F19°C. Breezy from the S at 13 mph20 km/h. 40% chance of light rain throughout the day. NightOvercast, with a low around 63°F17°C. Breezy from the S at 12 to 13 mph20 to 21 km/h. 36% chance of light rain throughout the night.
	ThursdayOct 1	65°F18°C	60°F16°C	0.19 in4.9 mm· 28%	67%	Showers	WSW 12 mph19 km/h
DayMostly cloudy and mild, with a high of 65°F18°C. Breezy from the WSW at 12 to 13 mph19 to 20 km/h. 25% chance of showers throughout the day. NightMostly cloudy, with a low around 61°F16°C. Breezy from the WSW at 11 to 12 mph18 to 19 km/h. 28% chance of showers throughout the night.
	FridayOct 2	65°F18°C	59°F15°C	0.14 in3.5 mm· 22%	61%	Showers	SW 11 mph17 km/h
DayMostly cloudy and mild, with a high of 65°F18°C and morning low of 59°F15°C. Breezy from the SW at 11 mph17 km/h. 22% chance of showers throughout the day. NightMostly cloudy, with a low around 60°F16°C. Breezy from the SW at 11 mph17 km/h. 22% chance of drizzle throughout the night.
	SaturdayOct 3	66°F19°C	59°F15°C	0.09 in2.3 mm· 20%	62%	Drizzle	SSW 10 mph17 km/h
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 59°F15°C. Breezy from the SSW at 10 to 11 mph17 to 17 km/h. 19% chance of drizzle throughout the day. NightMostly cloudy, with a low around 60°F15°C. Breezy from the SSW at 11 mph17 km/h. 20% chance of drizzle throughout the night.
	SundayOct 4	64°F18°C	59°F15°C	0.15 in3.9 mm· 24%	63%	Showers	WSW 12 mph19 km/h
DayMostly cloudy and mild, with a high of 64°F18°C and morning low of 59°F15°C. Breezy from the WSW at 12 to 13 mph20 to 20 km/h. 22% chance of showers throughout the day. NightMostly cloudy, with a low around 60°F15°C. Breezy from the WSW at 12 mph19 km/h. 24% chance of showers throughout the night.
	MondayOct 5	63°F17°C	56°F13°C	0.12 in3 mm· 24%	55%	Showers	W 12 mph19 km/h
DayMostly cloudy and mild, with a high of 63°F17°C and morning low of 56°F13°C. Breezy from the W at 12 mph20 km/h. 21% chance of drizzle throughout the day. Dry air. NightMostly cloudy, with a low around 57°F14°C. Breezy from the W at 12 mph19 km/h. 24% chance of showers throughout the night.
	TuesdayOct 6	63°F17°C	56°F13°C	0.11 in2.7 mm· 19%	56%	Drizzle	W 12 mph19 km/h
DayMostly cloudy and mild, with a high of 63°F17°C and morning low of 56°F13°C. Breezy from the W at 12 mph19 km/h. 19% chance of drizzle throughout the day. NightMostly cloudy, with a low around 57°F14°C. Breezy from the W at 12 mph19 km/h. 18% chance of drizzle throughout the night.
	WednesdayOct 7	62°F17°C	55°F13°C	0.08 in2.1 mm· 18%	44%	Drizzle	NW 12 mph20 km/h
DayPartly cloudy and mild, with a high of 62°F17°C and morning low of 55°F13°C. Breezy from the NW at 12 to 13 mph20 to 20 km/h. 18% chance of drizzle throughout the day. Dry air. NightPartly cloudy, with a low around 56°F13°C. Breezy from the WNW at 12 mph19 km/h. 16% chance of drizzle throughout the night.

Nearby Cities

North Chicago5 mi7 km Highland Park6 mi9 km Libertyville6 mi10 km Deerfield6 mi10 km Waukegan7 mi12 km Vernon Hills8 mi12 km

About This Forecast

This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.

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Coordinates: 42.2586°N, 87.8406°W·Elevation: 210m·Timezone: America/Chicago·Population: 19,408