Current Conditions
Round Lake Beach, Illinois
Wind
ENE 11 mph18 km/h
Humidity
76%
Cloud Cover
73%
As of Wednesday, September 23, 2026 at 10:40 AM CDT
Today's Outlook
Day
Mostly cloudy and mild, with a high of 64°F18°C and morning low of 56°F13°C. Breezy from the ENE at 11 mph17 km/h.
Night
Mostly cloudy, with a low around 61°F16°C. Breezy from the NE at 8 mph12 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Partly Cloudy | High 64°F18°C | Low 56°F13°C | Precip 0 in0.1 mm— | Cloud 69% | Wind NE 10 mph15 km/h | Wednesday: Mostly cloudy and mild, with a high of 64°F18°C and morning low of 56°F13°C. Breezy from the ENE at 11 mph17 km/h. Wednesday Night: Mostly cloudy, with a low around 61°F16°C. Breezy from the NE at 8 mph12 km/h. | |
| Partly Cloudy | High 65°F18°C | Low 57°F14°C | Precip 0 in0 mm— | Cloud 44% | Wind E 7 mph12 km/h | Thursday: Partly cloudy and mild, with a high of 65°F18°C and morning low of 57°F14°C. Breezy from the E at 8 to 9 mph13 to 14 km/h. Thursday Night: Mostly cloudy, with a low around 58°F14°C. Breezy from the ENE at 6 to 7 mph10 to 12 km/h. | |
| Partly Cloudy | High 65°F18°C | Low 57°F14°C | Precip 0 in0.1 mm5% | Cloud 64% | Wind E 5 mph9 km/h | Friday: Mostly cloudy and mild, with a high of 65°F18°C and morning low of 58°F14°C. Breezy from the E at 6 to 7 mph9 to 12 km/h. Friday Night: Mostly cloudy, with a low around 57°F14°C. Light wind from the E around 5 mph9 km/h. | |
| Partly Cloudy | High 67°F19°C | Low 53°F12°C | Precip 0 in0 mm— | Cloud 45% | Wind ENE 6 mph9 km/h | Saturday: Partly cloudy and mild, with a high of 67°F19°C and morning low of 53°F12°C. Light wind from the E around 6 mph9 km/h. Dry air. Saturday Night: Partly cloudy, with a low around 54°F12°C. Light wind from the ENE around 5 mph9 km/h. | |
| Clear | High 69°F21°C | Low 52°F11°C | Precip 0 in0 mm— | Cloud 37% | Wind NE 5 mph7 km/h | Sunday: Partly cloudy and warm, with a high of 69°F21°C and morning low of 52°F11°C. Light wind from the NE around 5 mph7 km/h. Sunday Night: Partly cloudy, with a low around 53°F12°C. Light wind from the NE around 5 mph7 km/h. | |
| Clear | High 71°F22°C | Low 52°F11°C | Precip 0 in0 mm— | Cloud 17% | Wind NE 4 mph7 km/h | Monday: Mostly clear and warm, with a high of 71°F22°C and morning low of 52°F11°C. Light wind from the NNE around 4 mph6 km/h. Monday Night: Mostly clear, with a low around 53°F12°C. Light wind from the NE around 5 mph8 km/h. | |
| Light Rain | High 72°F22°C | Low 53°F12°C | Precip 0.05 in1.3 mm28% | Cloud 72% | Wind S 7 mph11 km/h | Tuesday: Mostly cloudy and warm, with a high of 72°F22°C and morning low of 53°F12°C. Breezy from the S at 7 to 8 mph11 to 13 km/h. 13% chance of drizzle around midday. Tuesday Night: Mostly cloudy, with a low around 55°F13°C. Breezy from the S at 7 to 8 mph11 to 14 km/h. 28% chance of light rain in the evening. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 23 | 64°F18°C | 56°F13°C | 0 in0.1 mm· — | 69% | Partly Cloudy | NE 10 mph15 km/h | |
DayMostly cloudy and mild, with a high of 64°F18°C and morning low of 56°F13°C. Breezy from the ENE at 11 mph17 km/h. NightMostly cloudy, with a low around 61°F16°C. Breezy from the NE at 8 mph12 km/h. | |||||||
| ThursdaySep 24 | 65°F18°C | 57°F14°C | 0 in0 mm· — | 44% | Partly Cloudy | E 7 mph12 km/h | |
DayPartly cloudy and mild, with a high of 65°F18°C and morning low of 57°F14°C. Breezy from the E at 8 to 9 mph13 to 14 km/h. NightMostly cloudy, with a low around 58°F14°C. Breezy from the ENE at 6 to 7 mph10 to 12 km/h. | |||||||
| FridaySep 25 | 65°F18°C | 57°F14°C | 0 in0.1 mm· 5% | 64% | Partly Cloudy | E 5 mph9 km/h | |
DayMostly cloudy and mild, with a high of 65°F18°C and morning low of 58°F14°C. Breezy from the E at 6 to 7 mph9 to 12 km/h. NightMostly cloudy, with a low around 57°F14°C. Light wind from the E around 5 mph9 km/h. | |||||||
| SaturdaySep 26 | 67°F19°C | 53°F12°C | 0 in0 mm· — | 45% | Partly Cloudy | ENE 6 mph9 km/h | |
DayPartly cloudy and mild, with a high of 67°F19°C and morning low of 53°F12°C. Light wind from the E around 6 mph9 km/h. Dry air. NightPartly cloudy, with a low around 54°F12°C. Light wind from the ENE around 5 mph9 km/h. | |||||||
| SundaySep 27 | 69°F21°C | 52°F11°C | 0 in0 mm· — | 37% | Clear | NE 5 mph7 km/h | |
DayPartly cloudy and warm, with a high of 69°F21°C and morning low of 52°F11°C. Light wind from the NE around 5 mph7 km/h. NightPartly cloudy, with a low around 53°F12°C. Light wind from the NE around 5 mph7 km/h. | |||||||
| MondaySep 28 | 71°F22°C | 52°F11°C | 0 in0 mm· — | 17% | Clear | NE 4 mph7 km/h | |
DayMostly clear and warm, with a high of 71°F22°C and morning low of 52°F11°C. Light wind from the NNE around 4 mph6 km/h. NightMostly clear, with a low around 53°F12°C. Light wind from the NE around 5 mph8 km/h. | |||||||
| TuesdaySep 29 | 72°F22°C | 53°F12°C | 0.05 in1.3 mm· 28% | 72% | Light Rain | S 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 72°F22°C and morning low of 53°F12°C. Breezy from the S at 7 to 8 mph11 to 13 km/h. 13% chance of drizzle around midday. NightMostly cloudy, with a low around 55°F13°C. Breezy from the S at 7 to 8 mph11 to 14 km/h. 28% chance of light rain in the evening. | |||||||
| WednesdaySep 30 | 67°F20°C | 60°F15°C | 0.26 in6.6 mm· 38% | 79% | Light Rain | SSW 9 mph14 km/h | |
DayOvercast and mild, with a high of 67°F20°C and morning low of 60°F15°C. Breezy from the SW at 9 to 10 mph15 to 16 km/h. 31% chance of light rain throughout the day. NightMostly cloudy, with a low around 61°F16°C. Breezy from the SSW at 9 mph14 km/h. 38% chance of light rain throughout the night. | |||||||
| ThursdayOct 1 | 67°F19°C | 57°F14°C | 0.16 in4 mm· 24% | 67% | Showers | WSW 9 mph15 km/h | |
DayMostly cloudy and mild, with a high of 67°F19°C and morning low of 57°F14°C. Breezy from the WSW at 10 mph15 km/h. 22% chance of showers throughout the day. NightMostly cloudy, with a low around 58°F14°C. Breezy from the SW at 9 mph14 km/h. 24% chance of showers throughout the night. | |||||||
| FridayOct 2 | 67°F20°C | 57°F14°C | 0.18 in4.5 mm· 22% | 60% | Showers | SSW 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 67°F20°C and morning low of 57°F14°C. Breezy from the SW at 9 to 10 mph15 to 16 km/h. 21% chance of showers throughout the day. NightMostly cloudy, with a low around 58°F14°C. Breezy from the SSW at 9 mph14 km/h. 22% chance of showers throughout the night. | |||||||
| SaturdayOct 3 | 67°F19°C | 57°F14°C | 0.15 in3.7 mm· 20% | 67% | Showers | SW 9 mph15 km/h | |
DayMostly cloudy and mild, with a high of 67°F19°C and morning low of 57°F14°C. Breezy from the SW at 10 mph16 km/h. 20% chance of drizzle throughout the day. NightMostly cloudy, with a low around 58°F14°C. Breezy from the SW at 9 mph14 km/h. 20% chance of showers throughout the night. | |||||||
| SundayOct 4 | 64°F18°C | 56°F13°C | 0.15 in3.8 mm· 23% | 60% | Showers | W 10 mph16 km/h | |
DayMostly cloudy and mild, with a high of 64°F18°C and morning low of 56°F13°C. Breezy from the W at 11 mph17 km/h. 23% chance of showers throughout the day. Dry air. NightMostly cloudy, with a low around 57°F14°C. Breezy from the W at 10 mph15 km/h. 21% chance of showers throughout the night. | |||||||
| MondayOct 5 | 63°F17°C | 52°F11°C | 0.11 in2.7 mm· 16% | 52% | Drizzle | W 10 mph16 km/h | |
DayMostly cloudy and mild, with a high of 63°F17°C and morning low of 52°F11°C. Breezy from the W at 10 to 11 mph17 to 18 km/h. 16% chance of drizzle throughout the day. Dry air. NightMostly cloudy, with a low around 53°F12°C. Breezy from the WSW at 10 mph15 km/h. 14% chance of drizzle throughout the night. | |||||||
| TuesdayOct 6 | 63°F17°C | 52°F11°C | 0.09 in2.3 mm· 15% | 48% | Drizzle | W 10 mph16 km/h | |
DayMostly cloudy and mild, with a high of 63°F17°C and morning low of 52°F11°C. Breezy from the W at 10 to 11 mph17 to 18 km/h. 14% chance of drizzle throughout the day. Dry air. NightPartly cloudy, with a low around 53°F12°C. Breezy from the W at 9 to 10 mph15 to 15 km/h. 15% chance of drizzle throughout the night. | |||||||
| WednesdayOct 7 | 62°F17°C | 49°F10°C Feels 46°F8°C | 0.05 in1.3 mm· 12% | 39% | Drizzle | WNW 9 mph15 km/h | |
DayPartly cloudy and mild, with a high of 62°F17°C and morning low of 49°F10°C. Breezy from the WNW at 10 mph16 km/h. 12% chance of drizzle throughout the day. Dry air. NightPartly cloudy, with a low around 51°F11°C. Breezy from the WNW at 9 to 10 mph15 to 15 km/h. | |||||||
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Coordinates: 42.3717°N, 88.0901°W·Elevation: 233m·Timezone: America/Chicago·Population: 27,852