Current Conditions

Round Lake Beach, Illinois

75°F24°C

Rain

Wind

SSW 9 mph14 km/h

Humidity

67%

Cloud Cover

80%

As of Tuesday, September 8, 2026 at 10:42 PM CDT

Today's Outlook

Night

Mostly cloudy, with a low around 72°F22°C. Breezy from the SW at 8 to 9 mph13 to 15 km/h. 75% chance of light rain before dawn.

7-Day Forecast

Condition	High (°F)	Low (°F)	Precip (mm)	Cloud Cover (%)	Wind (mph)
Rain	High 79°F26°C	Low 71°F22°C	Precip 0.54 in13.6 mm100%	Cloud 83%	Wind WSW 8 mph14 km/h	Wednesday: Overcast and warm, with a high of 79°F26°C and morning low of 71°F22°C. Breezy from the WSW at 9 to 10 mph14 to 16 km/h. 100% chance of rain throughout the day. Humid. Wednesday Night: Mostly cloudy, with a low around 72°F22°C. Breezy from the SW at 8 to 9 mph13 to 15 km/h. 75% chance of light rain before dawn.
Partly Cloudy	High 74°F24°C	Low 65°F18°C	Precip 0 in0 mm—	Cloud 62%	Wind NNE 6 mph10 km/h	Thursday: Overcast and warm, with a high of 74°F24°C and morning low of 66°F19°C. Light wind from the NNE around 6 mph10 km/h. Thursday Night: Partly cloudy, with a low around 65°F18°C. Breezy from the NNW at 6 to 7 mph10 to 12 km/h.
Clear	High 78°F25°C	Low 61°F16°C	Precip 0 in0.1 mm1%	Cloud 13%	Wind SE 6 mph10 km/h	Friday: Mostly clear and warm, with a high of 78°F25°C and morning low of 61°F16°C. Breezy from the SE at 6 to 7 mph10 to 12 km/h. Friday Night: Mostly clear, with a low around 62°F17°C. Breezy from the SE at 6 to 8 mph9 to 13 km/h.
Drizzle	High 82°F28°C	Low 65°F19°C	Precip 0.02 in0.6 mm17%	Cloud 45%	Wind SW 8 mph12 km/h	Saturday: Mostly cloudy and warm, with a high of 82°F28°C and morning low of 65°F19°C. Breezy from the SW at 8 to 9 mph13 to 15 km/h. 17% chance of drizzle in the afternoon. Humid. Saturday Night: Partly cloudy, with a low around 66°F19°C. Breezy from the SW at 7 to 8 mph11 to 13 km/h. 13% chance of drizzle in the evening.
Drizzle	High 73°F23°C	Low 63°F17°C	Precip 0.04 in1.1 mm15%	Cloud 36%	Wind N 7 mph12 km/h	Sunday: Partly cloudy and warm, with a high of 73°F23°C and morning low of 63°F17°C. Breezy from the N at 7 to 8 mph12 to 13 km/h. 15% chance of drizzle around midday. Sunday Night: Partly cloudy, with a low around 64°F18°C. Breezy from the N at 7 to 8 mph11 to 14 km/h. 14% chance of drizzle in the evening.
Showers	High 76°F25°C	Low 62°F17°C	Precip 0.17 in4.4 mm26%	Cloud 61%	Wind SE 11 mph17 km/h	Monday: Mostly cloudy and warm, with a high of 76°F25°C and morning low of 63°F17°C. Breezy from the SE at 11 to 13 mph17 to 20 km/h. 26% chance of light rain throughout the day. Monday Night: Mostly cloudy, with a low around 62°F17°C. Breezy from the SSE at 10 to 14 mph16 to 23 km/h. 19% chance of showers throughout the night.
Showers	High 79°F26°C	Low 69°F21°C	Precip 0.17 in4.3 mm32%	Cloud 69%	Wind SW 11 mph17 km/h	Tuesday: Mostly cloudy and warm, with a high of 79°F26°C and morning low of 69°F21°C. Breezy from the WSW at 11 to 12 mph17 to 19 km/h. 21% chance of drizzle throughout the day. Tuesday Night: Mostly cloudy, with a low around 69°F21°C. Breezy from the SW at 10 to 15 mph17 to 23 km/h. 32% chance of light rain throughout the night.

15-Day Forecast

	Day	High	Low	Precip	Cloud Cover	Condition	Wind
	WednesdaySep 9	79°F26°C	71°F22°C	0.54 in13.6 mm· 100%	83%	Rain	WSW 8 mph14 km/h
DayOvercast and warm, with a high of 79°F26°C and morning low of 71°F22°C. Breezy from the WSW at 9 to 10 mph14 to 16 km/h. 100% chance of rain throughout the day. Humid. NightMostly cloudy, with a low around 72°F22°C. Breezy from the SW at 8 to 9 mph13 to 15 km/h. 75% chance of light rain before dawn.
	ThursdaySep 10	74°F24°C	65°F18°C	0 in0 mm· —	62%	Partly Cloudy	NNE 6 mph10 km/h
DayOvercast and warm, with a high of 74°F24°C and morning low of 66°F19°C. Light wind from the NNE around 6 mph10 km/h. NightPartly cloudy, with a low around 65°F18°C. Breezy from the NNW at 6 to 7 mph10 to 12 km/h.
	FridaySep 11	78°F25°C	61°F16°C	0 in0.1 mm· 1%	13%	Clear	SE 6 mph10 km/h
DayMostly clear and warm, with a high of 78°F25°C and morning low of 61°F16°C. Breezy from the SE at 6 to 7 mph10 to 12 km/h. NightMostly clear, with a low around 62°F17°C. Breezy from the SE at 6 to 8 mph9 to 13 km/h.
	SaturdaySep 12	82°F28°C	65°F19°C	0.02 in0.6 mm· 17%	45%	Drizzle	SW 8 mph12 km/h
DayMostly cloudy and warm, with a high of 82°F28°C and morning low of 65°F19°C. Breezy from the SW at 8 to 9 mph13 to 15 km/h. 17% chance of drizzle in the afternoon. Humid. NightPartly cloudy, with a low around 66°F19°C. Breezy from the SW at 7 to 8 mph11 to 13 km/h. 13% chance of drizzle in the evening.
	SundaySep 13	73°F23°C	63°F17°C	0.04 in1.1 mm· 15%	36%	Drizzle	N 7 mph12 km/h
DayPartly cloudy and warm, with a high of 73°F23°C and morning low of 63°F17°C. Breezy from the N at 7 to 8 mph12 to 13 km/h. 15% chance of drizzle around midday. NightPartly cloudy, with a low around 64°F18°C. Breezy from the N at 7 to 8 mph11 to 14 km/h. 14% chance of drizzle in the evening.
	MondaySep 14	76°F25°C	62°F17°C	0.17 in4.4 mm· 26%	61%	Showers	SE 11 mph17 km/h
DayMostly cloudy and warm, with a high of 76°F25°C and morning low of 63°F17°C. Breezy from the SE at 11 to 13 mph17 to 20 km/h. 26% chance of light rain throughout the day. NightMostly cloudy, with a low around 62°F17°C. Breezy from the SSE at 10 to 14 mph16 to 23 km/h. 19% chance of showers throughout the night.
	TuesdaySep 15	79°F26°C	69°F21°C	0.17 in4.3 mm· 32%	69%	Showers	SW 11 mph17 km/h
DayMostly cloudy and warm, with a high of 79°F26°C and morning low of 69°F21°C. Breezy from the WSW at 11 to 12 mph17 to 19 km/h. 21% chance of drizzle throughout the day. NightMostly cloudy, with a low around 69°F21°C. Breezy from the SW at 10 to 15 mph17 to 23 km/h. 32% chance of light rain throughout the night.
	WednesdaySep 16	73°F23°C	63°F17°C	0.2 in5.1 mm· 26%	64%	Showers	ENE 7 mph11 km/h
DayMostly cloudy and warm, with a high of 73°F23°C and morning low of 63°F17°C. Breezy from the ENE at 7 mph12 km/h. 25% chance of showers throughout the day. NightMostly cloudy, with a low around 65°F18°C. Breezy from the ENE at 7 mph11 km/h. 26% chance of showers throughout the night.
	ThursdaySep 17	77°F25°C	66°F19°C	0.27 in6.8 mm· 30%	62%	Showers	SW 9 mph14 km/h
DayMostly cloudy and warm, with a high of 77°F25°C and morning low of 66°F19°C. Breezy from the SW at 9 to 10 mph15 to 16 km/h. 30% chance of showers throughout the day. NightMostly cloudy, with a low around 67°F19°C. Breezy from the SSW at 9 mph14 km/h. 27% chance of showers throughout the night.
	FridaySep 18	71°F21°C	62°F17°C	0.19 in4.7 mm· 26%	55%	Showers	NW 9 mph15 km/h
DayMostly cloudy and warm, with a high of 71°F21°C and morning low of 62°F17°C. Breezy from the NW at 10 mph16 km/h. 22% chance of showers throughout the day. NightMostly cloudy, with a low around 62°F17°C. Breezy from the NW at 9 to 10 mph15 to 16 km/h. 26% chance of showers throughout the night.
	SaturdaySep 19	69°F21°C	57°F14°C	0.13 in3.2 mm· 15%	47%	Showers	WNW 9 mph14 km/h
DayPartly cloudy and warm, with a high of 69°F21°C and morning low of 57°F14°C. Breezy from the WNW at 9 mph14 km/h. 15% chance of showers throughout the day. NightPartly cloudy, with a low around 59°F15°C. Breezy from the NW at 8 to 9 mph13 to 14 km/h. 15% chance of showers throughout the night.
	SundaySep 20	67°F19°C	56°F13°C	0.1 in2.5 mm· 18%	51%	Showers	N 9 mph14 km/h
DayMostly cloudy and mild, with a high of 67°F19°C and morning low of 56°F13°C. Breezy from the N at 9 mph14 km/h. 17% chance of showers throughout the day. Dry air. NightPartly cloudy, with a low around 57°F14°C. Breezy from the N at 8 to 9 mph14 to 14 km/h. 18% chance of drizzle throughout the night.
	MondaySep 21	66°F19°C	54°F12°C	0.11 in2.8 mm· 19%	53%	Drizzle	ENE 8 mph14 km/h
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 54°F12°C. Breezy from the ENE at 9 mph14 km/h. 19% chance of drizzle throughout the day. Dry air. NightMostly cloudy, with a low around 56°F13°C. Breezy from the NE at 8 to 9 mph13 to 14 km/h. 14% chance of drizzle throughout the night.
	TuesdaySep 22	68°F20°C	56°F13°C	0.1 in2.6 mm· 14%	54%	Showers	SE 8 mph13 km/h
DayMostly cloudy and warm, with a high of 68°F20°C and morning low of 56°F13°C. Breezy from the SE at 9 mph14 km/h. 13% chance of drizzle throughout the day. NightMostly cloudy, with a low around 56°F14°C. Breezy from the ESE at 8 mph13 km/h. 14% chance of showers throughout the night.
	WednesdaySep 23	70°F21°C	56°F13°C	0.09 in2.4 mm· 16%	57%	Drizzle	S 9 mph14 km/h
DayMostly cloudy and warm, with a high of 70°F21°C and morning low of 56°F13°C. Breezy from the S at 9 to 10 mph14 to 16 km/h. 16% chance of drizzle throughout the day. NightMostly cloudy, with a low around 57°F14°C. Breezy from the S at 8 mph13 km/h. 13% chance of drizzle throughout the night.

Nearby Cities

Round Lake1 mi2 km Grayslake3 mi5 km Mundelein9 mi14 km Libertyville9 mi15 km McHenry9 mi15 km Gurnee10 mi15 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: 42.3717°N, 88.0901°W·Elevation: 233m·Timezone: America/Chicago·Population: 27,852