Current Conditions
Algonquin, Illinois
Wind
ESE 4 mph7 km/h
Humidity
83%
Cloud Cover
100%
As of Thursday, August 13, 2026 at 8:33 AM CDT
Today's Outlook
Day
Overcast and warm, with a high of 77°F25°C and morning low of 70°F21°C. Breezy from the E at 5 to 7 mph8 to 11 km/h. 79% chance of light rain in the afternoon. Humid.
Night
Overcast, with a low around 72°F22°C. Light wind from the E around 5 mph8 km/h. 75% chance of light rain throughout the night.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Light Rain | High 77°F25°C | Low 70°F21°C | Precip 0.17 in4.2 mm79% | Cloud 98% | Wind E 5 mph8 km/h | Thursday: Overcast and warm, with a high of 77°F25°C and morning low of 70°F21°C. Breezy from the E at 5 to 7 mph8 to 11 km/h. 79% chance of light rain in the afternoon. Humid. Thursday Night: Overcast, with a low around 72°F22°C. Light wind from the E around 5 mph8 km/h. 75% chance of light rain throughout the night. | |
| Rain | High 76°F24°C | Low 70°F21°C | Precip 0.57 in14.5 mm82% | Cloud 96% | Wind E 6 mph10 km/h | Friday: Overcast and warm, with a high of 76°F24°C and morning low of 70°F21°C. Breezy from the E at 6 to 7 mph10 to 12 km/h. 82% chance of rain throughout the day. Humid. Friday Night: Overcast, with a low around 70°F21°C. Breezy from the E at 6 to 7 mph10 to 11 km/h. 73% chance of rain throughout the night. | |
| Rain | High 79°F26°C | Low 71°F22°C | Precip 0.53 in13.5 mm74% | Cloud 92% | Wind SE 6 mph9 km/h | Saturday: Overcast and warm, with a high of 79°F26°C and morning low of 72°F22°C. Light wind from the SSE around 6 mph10 km/h. 74% chance of rain throughout the day. Heavy, humid air. Saturday Night: Overcast, with a low around 71°F22°C. Light wind from the SE around 5 mph8 km/h. 42% chance of light rain throughout the night. | |
| Light Rain | High 84°F29°CFeels 89°F32°C | Low 74°F23°C | Precip 0.32 in8.1 mm50% | Cloud 83% | Wind WNW 7 mph11 km/h | Sunday: Overcast and warm, with a high of 84°F29°C and morning low of 74°F23°C — feels like 90°F32°C. Breezy from the WNW at 8 mph12 km/h. 46% chance of light rain throughout the day. Heavy, humid air. Sunday Night: Overcast, with a low around 74°F23°C. Light wind from the WNW around 6 mph10 km/h. 50% chance of light rain throughout the night. | |
| Drizzle | High 79°F26°C | Low 67°F20°C | Precip 0.04 in0.9 mm14% | Cloud 55% | Wind N 5 mph8 km/h | Monday: Mostly cloudy and warm, with a high of 79°F26°C and morning low of 67°F20°C. Light wind from the N around 5 mph9 km/h. 13% chance of drizzle. Monday Night: Partly cloudy, with a low around 68°F20°C. Light wind from the N around 5 mph8 km/h. 14% chance of drizzle overnight. | |
| Drizzle | High 82°F28°C | Low 64°F18°C | Precip 0.01 in0.3 mm11% | Cloud 53% | Wind SW 6 mph10 km/h | Tuesday: Mostly cloudy and warm, with a high of 82°F28°C and morning low of 64°F18°C. Breezy from the SW at 7 to 9 mph11 to 14 km/h. Tuesday Night: Partly cloudy, with a low around 64°F18°C. Breezy from the SSW at 5 to 7 mph9 to 11 km/h. 11% chance of drizzle overnight. | |
| Light Rain | High 80°F27°C | Low 69°F21°C | Precip 0.28 in7.1 mm51% | Cloud 77% | Wind SW 8 mph13 km/h | Wednesday: Overcast and warm, with a high of 80°F27°C and morning low of 69°F21°C. Breezy from the SW at 9 mph14 km/h. 51% chance of light rain throughout the day. Humid. Wednesday Night: Mostly cloudy, with a low around 70°F21°C. Breezy from the SW at 7 to 8 mph12 to 13 km/h. 44% chance of light rain throughout the night. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| ThursdayAug 13 | 77°F25°C | 70°F21°C | 0.17 in4.2 mm· 79% | 98% | Light Rain | E 5 mph8 km/h | |
DayOvercast and warm, with a high of 77°F25°C and morning low of 70°F21°C. Breezy from the E at 5 to 7 mph8 to 11 km/h. 79% chance of light rain in the afternoon. Humid. NightOvercast, with a low around 72°F22°C. Light wind from the E around 5 mph8 km/h. 75% chance of light rain throughout the night. | |||||||
| FridayAug 14 | 76°F24°C | 70°F21°C | 0.57 in14.5 mm· 82% | 96% | Rain | E 6 mph10 km/h | |
DayOvercast and warm, with a high of 76°F24°C and morning low of 70°F21°C. Breezy from the E at 6 to 7 mph10 to 12 km/h. 82% chance of rain throughout the day. Humid. NightOvercast, with a low around 70°F21°C. Breezy from the E at 6 to 7 mph10 to 11 km/h. 73% chance of rain throughout the night. | |||||||
| SaturdayAug 15 | 79°F26°C | 71°F22°C | 0.53 in13.5 mm· 74% | 92% | Rain | SE 6 mph9 km/h | |
DayOvercast and warm, with a high of 79°F26°C and morning low of 72°F22°C. Light wind from the SSE around 6 mph10 km/h. 74% chance of rain throughout the day. Heavy, humid air. NightOvercast, with a low around 71°F22°C. Light wind from the SE around 5 mph8 km/h. 42% chance of light rain throughout the night. | |||||||
| SundayAug 16 | 84°F29°C Feels 89°F32°C | 74°F23°C | 0.32 in8.1 mm· 50% | 83% | Light Rain | WNW 7 mph11 km/h | |
DayOvercast and warm, with a high of 84°F29°C and morning low of 74°F23°C — feels like 90°F32°C. Breezy from the WNW at 8 mph12 km/h. 46% chance of light rain throughout the day. Heavy, humid air. NightOvercast, with a low around 74°F23°C. Light wind from the WNW around 6 mph10 km/h. 50% chance of light rain throughout the night. | |||||||
| MondayAug 17 | 79°F26°C | 67°F20°C | 0.04 in0.9 mm· 14% | 55% | Drizzle | N 5 mph8 km/h | |
DayMostly cloudy and warm, with a high of 79°F26°C and morning low of 67°F20°C. Light wind from the N around 5 mph9 km/h. 13% chance of drizzle. NightPartly cloudy, with a low around 68°F20°C. Light wind from the N around 5 mph8 km/h. 14% chance of drizzle overnight. | |||||||
| TuesdayAug 18 | 82°F28°C | 64°F18°C | 0.01 in0.3 mm· 11% | 53% | Drizzle | SW 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 82°F28°C and morning low of 64°F18°C. Breezy from the SW at 7 to 9 mph11 to 14 km/h. NightPartly cloudy, with a low around 64°F18°C. Breezy from the SSW at 5 to 7 mph9 to 11 km/h. 11% chance of drizzle overnight. | |||||||
| WednesdayAug 19 | 80°F27°C | 69°F21°C | 0.28 in7.1 mm· 51% | 77% | Light Rain | SW 8 mph13 km/h | |
DayOvercast and warm, with a high of 80°F27°C and morning low of 69°F21°C. Breezy from the SW at 9 mph14 km/h. 51% chance of light rain throughout the day. Humid. NightMostly cloudy, with a low around 70°F21°C. Breezy from the SW at 7 to 8 mph12 to 13 km/h. 44% chance of light rain throughout the night. | |||||||
| ThursdayAug 20 | 76°F24°C | 65°F18°C | 0.09 in2.3 mm· 15% | 54% | Drizzle | N 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 76°F24°C and morning low of 65°F18°C. Breezy from the NNW at 7 to 8 mph12 to 12 km/h. 15% chance of drizzle throughout the day. NightPartly cloudy, with a low around 66°F19°C. Breezy from the N at 6 to 7 mph10 to 12 km/h. 14% chance of drizzle throughout the night. | |||||||
| FridayAug 21 | 78°F25°C | 62°F16°C | 0.05 in1.2 mm· 9% | 45% | Partly Cloudy | NE 6 mph9 km/h | |
DayMostly cloudy and warm, with a high of 78°F25°C and morning low of 62°F16°C. Light wind from the NW around 6 mph10 km/h. NightPartly cloudy, with a low around 62°F16°C. Light wind from the E around 5 mph8 km/h. | |||||||
| SaturdayAug 22 | 80°F27°C | 64°F18°C | 0.07 in1.9 mm· 15% | 45% | Drizzle | SSW 6 mph9 km/h | |
DayMostly cloudy and warm, with a high of 80°F27°C and morning low of 64°F18°C. Breezy from the SW at 6 to 7 mph10 to 11 km/h. 15% chance of drizzle throughout the day. NightPartly cloudy, with a low around 64°F18°C. Light wind from the S around 5 mph9 km/h. 11% chance of drizzle throughout the night. | |||||||
| SundayAug 23 | 82°F28°C | 65°F18°C | 0.04 in1 mm· 9% | 43% | Partly Cloudy | SSW 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 65°F18°C. Breezy from the SSW at 7 to 8 mph11 to 13 km/h. NightPartly cloudy, with a low around 65°F18°C. Light wind from the S around 6 mph10 km/h. | |||||||
| MondayAug 24 | 84°F29°C | 66°F19°C | 0.04 in1.1 mm· 10% | 42% | Drizzle | SSW 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 84°F29°C and morning low of 66°F19°C. Breezy from the SSW at 7 to 8 mph11 to 12 km/h. 10% chance of drizzle in the morning. NightPartly cloudy, with a low around 67°F19°C. Light wind from the S around 6 mph9 km/h. | |||||||
| TuesdayAug 25 | 84°F29°C | 67°F20°C | 0.03 in0.8 mm· 9% | 43% | Partly Cloudy | S 6 mph9 km/h | |
DayPartly cloudy and warm, with a high of 84°F29°C and morning low of 67°F20°C. Breezy from the SSW at 6 to 7 mph10 to 11 km/h. NightPartly cloudy, with a low around 68°F20°C. Light wind from the S around 6 mph9 km/h. | |||||||
| WednesdayAug 26 | 82°F28°C | 67°F19°C | 0.05 in1.2 mm· 13% | 45% | Drizzle | N 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 67°F19°C. Breezy from the NW at 7 to 8 mph11 to 13 km/h. 13% chance of drizzle throughout the day. NightPartly cloudy, with a low around 68°F20°C. Light wind from the ENE around 6 mph10 km/h. 10% chance of drizzle overnight. | |||||||
| ThursdayAug 27 | 80°F27°C | 66°F19°C | 0.07 in1.8 mm· 17% | 50% | Drizzle | NE 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 80°F27°C and morning low of 66°F19°C. Breezy from the NE at 7 mph11 km/h. 17% chance of drizzle throughout the day. NightPartly cloudy, with a low around 67°F19°C. Light wind from the NE around 6 mph10 km/h. 15% chance of drizzle throughout the night. | |||||||
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Coordinates: 42.1656°N, 88.2943°W·Elevation: 226m·Timezone: America/Chicago·Population: 30,571