Current Conditions
Algonquin, Illinois
Wind
SW 2 mph3 km/h
Humidity
38%
Cloud Cover
57%
As of Thursday, July 23, 2026 at 2:07 PM CDT
Today's Outlook
Day
Mostly cloudy and warm, with a high of 78°F25°C. Light wind from the SSW around 2 mph4 km/h. Dry air.
Night
Overcast, with a low around 67°F19°C. Light wind from the SSE around 4 mph6 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| ThursdayJul 23 | Partly Cloudy | High 78°F25°C | Low 67°F19°C | Precip 0 in0 mm— | Cloud 76% | Wind S 3 mph5 km/h | Thursday: Mostly cloudy and warm, with a high of 78°F25°C. Light wind from the SSW around 2 mph4 km/h. Dry air. Thursday Night: Overcast, with a low around 67°F19°C. Light wind from the SSE around 4 mph6 km/h. |
| FridayJul 24 | Partly Cloudy | High 80°F27°C | Low 62°F17°C | Precip 0 in0 mm— | Cloud 59% | Wind S 5 mph8 km/h | Friday: Mostly cloudy and warm, with a high of 80°F27°C and morning low of 63°F17°C. Light wind from the S around 5 mph7 km/h. Friday Night: Mostly cloudy, with a low around 62°F17°C. Light wind from the SSW around 5 mph8 km/h. |
| SaturdayJul 25 | Partly Cloudy | High 82°F28°C | Low 64°F18°C | Precip 0 in0.1 mm2% | Cloud 46% | Wind SW 7 mph11 km/h | Saturday: Mostly cloudy and warm, with a high of 82°F28°C and morning low of 66°F19°C. Breezy from the SW at 7 to 9 mph12 to 15 km/h. Saturday Night: Partly cloudy, with a low around 64°F18°C. Breezy from the SW at 6 to 7 mph9 to 11 km/h. |
| SundayJul 26 | Drizzle | High 90°F32°CFeels 96°F35°C | Low 71°F22°C | Precip 0.03 in0.8 mm12% | Cloud 59% | Wind SW 6 mph9 km/h | Sunday: Mostly cloudy and hot, with a high of 90°F32°C and morning low of 73°F23°C. Breezy from the WSW at 6 to 7 mph9 to 11 km/h. 12% chance of drizzle in the afternoon. Heat risk in the afternoon. Sunday Night: Mostly cloudy, with a low around 71°F22°C. Light wind from the SW around 6 mph9 km/h. 12% chance of drizzle in the evening. |
| MondayJul 27 | Showers | High 91°F33°CFeels 99°F37°C | Low 75°F24°C | Precip 0.24 in6.2 mm28% | Cloud 49% | Wind SW 7 mph12 km/h | Monday: Mostly cloudy and hot, with a high of 91°F33°C and morning low of 75°F24°C — feels like 99°F37°C. Breezy from the SW at 8 to 10 mph13 to 15 km/h. 28% chance of showers throughout the day. Heat risk in the afternoon. Monday Night: Partly cloudy, with a low around 75°F24°C. Breezy from the SW at 7 to 8 mph11 to 12 km/h. 22% chance of showers throughout the night. |
| TuesdayJul 28 | Showers | High 85°F29°C | Low 71°F22°C | Precip 0.06 in1.4 mm17% | Cloud 34% | Wind N 8 mph13 km/h | Tuesday: Partly cloudy and warm, with a high of 85°F29°C and morning low of 74°F23°C. Breezy from the N at 9 mph14 km/h. 10% chance of drizzle around midday. Humid. Tuesday Night: Mostly clear, with a low around 71°F22°C. Breezy from the N at 7 to 8 mph11 to 13 km/h. 17% chance of showers overnight. |
| WednesdayJul 29 | Clear | High 85°F29°C | Low 66°F19°C | Precip 0.02 in0.5 mm7% | Cloud 19% | Wind NNE 6 mph9 km/h | Wednesday: Mostly clear and warm, with a high of 85°F29°C and morning low of 67°F19°C. Light wind from the N around 6 mph10 km/h. Wednesday Night: Mostly clear, with a low around 66°F19°C. Light wind from the NE around 6 mph9 km/h. |
15-Day Forecast
| Day | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Condition | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| ThursdayJul 23 | 78°F25°C | 67°F19°C | 0 in0 mm· — | 76% | Partly Cloudy | S 3 mph5 km/h | |
DayMostly cloudy and warm, with a high of 78°F25°C. Light wind from the SSW around 2 mph4 km/h. Dry air. NightOvercast, with a low around 67°F19°C. Light wind from the SSE around 4 mph6 km/h. | |||||||
| FridayJul 24 | 80°F27°C | 62°F17°C | 0 in0 mm· — | 59% | Partly Cloudy | S 5 mph8 km/h | |
DayMostly cloudy and warm, with a high of 80°F27°C and morning low of 63°F17°C. Light wind from the S around 5 mph7 km/h. NightMostly cloudy, with a low around 62°F17°C. Light wind from the SSW around 5 mph8 km/h. | |||||||
| SaturdayJul 25 | 82°F28°C | 64°F18°C | 0 in0.1 mm· 2% | 46% | Partly Cloudy | SW 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 82°F28°C and morning low of 66°F19°C. Breezy from the SW at 7 to 9 mph12 to 15 km/h. NightPartly cloudy, with a low around 64°F18°C. Breezy from the SW at 6 to 7 mph9 to 11 km/h. | |||||||
| SundayJul 26 | 90°F32°C Feels 96°F35°C | 71°F22°C | 0.03 in0.8 mm· 12% | 59% | Drizzle | SW 6 mph9 km/h | |
DayMostly cloudy and hot, with a high of 90°F32°C and morning low of 73°F23°C. Breezy from the WSW at 6 to 7 mph9 to 11 km/h. 12% chance of drizzle in the afternoon. Heat risk in the afternoon. NightMostly cloudy, with a low around 71°F22°C. Light wind from the SW around 6 mph9 km/h. 12% chance of drizzle in the evening. | |||||||
| MondayJul 27 | 91°F33°C Feels 99°F37°C | 75°F24°C | 0.24 in6.2 mm· 28% | 49% | Showers | SW 7 mph12 km/h | |
DayMostly cloudy and hot, with a high of 91°F33°C and morning low of 75°F24°C — feels like 99°F37°C. Breezy from the SW at 8 to 10 mph13 to 15 km/h. 28% chance of showers throughout the day. Heat risk in the afternoon. NightPartly cloudy, with a low around 75°F24°C. Breezy from the SW at 7 to 8 mph11 to 12 km/h. 22% chance of showers throughout the night. | |||||||
| TuesdayJul 28 | 85°F29°C | 71°F22°C | 0.06 in1.4 mm· 17% | 34% | Showers | N 8 mph13 km/h | |
DayPartly cloudy and warm, with a high of 85°F29°C and morning low of 74°F23°C. Breezy from the N at 9 mph14 km/h. 10% chance of drizzle around midday. Humid. NightMostly clear, with a low around 71°F22°C. Breezy from the N at 7 to 8 mph11 to 13 km/h. 17% chance of showers overnight. | |||||||
| WednesdayJul 29 | 85°F29°C | 66°F19°C | 0.02 in0.5 mm· 7% | 19% | Clear | NNE 6 mph9 km/h | |
DayMostly clear and warm, with a high of 85°F29°C and morning low of 67°F19°C. Light wind from the N around 6 mph10 km/h. NightMostly clear, with a low around 66°F19°C. Light wind from the NE around 6 mph9 km/h. | |||||||
| ThursdayJul 30 | 87°F30°C | 68°F20°C | 0.08 in2 mm· 17% | 37% | Drizzle | WSW 6 mph10 km/h | |
DayPartly cloudy and hot, with a high of 87°F30°C and morning low of 69°F20°C. Breezy from the W at 7 mph11 km/h. 17% chance of drizzle throughout the day. NightPartly cloudy, with a low around 68°F20°C. Light wind from the SW around 6 mph9 km/h. 14% chance of drizzle throughout the night. | |||||||
| FridayJul 31 | 88°F31°C | 69°F21°C | 0.06 in1.4 mm· 17% | 36% | Drizzle | WSW 7 mph11 km/h | |
DayPartly cloudy and hot, with a high of 88°F31°C and morning low of 70°F21°C. Breezy from the W at 7 to 8 mph11 to 13 km/h. 12% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F21°C. Light wind from the WSW around 6 mph10 km/h. 17% chance of drizzle throughout the night. | |||||||
| SaturdayAug 1 | 87°F31°C | 70°F21°C | 0.05 in1.3 mm· 11% | 32% | Drizzle | WNW 7 mph10 km/h | |
DayPartly cloudy and hot, with a high of 87°F31°C and morning low of 70°F21°C. Breezy from the NW at 7 to 8 mph11 to 12 km/h. NightPartly cloudy, with a low around 70°F21°C. Light wind from the WSW around 6 mph10 km/h. 11% chance of drizzle before dawn. | |||||||
| SundayAug 2 | 86°F30°C | 69°F20°C | 0.09 in2.2 mm· 17% | 46% | Drizzle | SW 7 mph11 km/h | |
DayMostly cloudy and hot, with a high of 86°F30°C and morning low of 69°F20°C. Breezy from the WSW at 7 to 8 mph11 to 13 km/h. 17% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F20°C. Light wind from the SSW around 6 mph10 km/h. 16% chance of drizzle throughout the night. | |||||||
| MondayAug 3 | 87°F31°C | 69°F21°C | 0.09 in2.2 mm· 14% | 49% | Drizzle | SSW 7 mph12 km/h | |
DayMostly cloudy and hot, with a high of 87°F31°C and morning low of 69°F21°C. Breezy from the SW at 8 to 9 mph12 to 14 km/h. 14% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F21°C. Breezy from the SSW at 7 mph11 km/h. 12% chance of drizzle throughout the night. | |||||||
| TuesdayAug 4 | 86°F30°C | 70°F21°C | 0.13 in3.3 mm· 19% | 53% | Showers | SW 8 mph13 km/h | |
DayMostly cloudy and hot, with a high of 86°F30°C and morning low of 70°F21°C. Breezy from the WSW at 8 to 10 mph14 to 16 km/h. 19% chance of showers throughout the day. NightPartly cloudy, with a low around 70°F21°C. Breezy from the SW at 7 to 8 mph12 to 12 km/h. 19% chance of showers throughout the night. | |||||||
| WednesdayAug 5 | 85°F29°C | 69°F20°C | 0.13 in3.4 mm· 22% | 46% | Showers | WSW 7 mph12 km/h | |
DayPartly cloudy and warm, with a high of 85°F29°C and morning low of 69°F20°C. Breezy from the W at 8 to 9 mph13 to 14 km/h. 20% chance of showers throughout the day. NightPartly cloudy, with a low around 69°F20°C. Breezy from the WSW at 7 mph11 km/h. 22% chance of showers throughout the night. | |||||||
| ThursdayAug 6 | 85°F29°C | 68°F20°C | 0.1 in2.6 mm· 15% | 44% | Showers | WSW 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 85°F29°C and morning low of 68°F20°C. Breezy from the W at 8 mph12 km/h. 15% chance of drizzle throughout the day. NightPartly cloudy, with a low around 68°F20°C. Breezy from the SW at 7 mph11 km/h. 15% chance of showers throughout the night. | |||||||
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Coordinates: 42.1656°N, 88.2943°W·Elevation: 226m·Timezone: America/Chicago·Population: 30,571