Current Conditions
Oswego, Illinois
Wind
SSE 2 mph3 km/h
Humidity
39%
Cloud Cover
62%
As of Thursday, July 23, 2026 at 2:08 PM CDT
Today's Outlook
Day
Mostly cloudy and warm, with a high of 78°F25°C. Light wind from the S around 2 mph3 km/h. Dry air.
Night
Overcast, with a low around 67°F19°C. Light wind from the S around 3 mph5 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 75% | Wind S 3 mph4 km/h | Thursday: Mostly cloudy and warm, with a high of 78°F25°C. Light wind from the S around 2 mph3 km/h. Dry air. Thursday Night: Overcast, with a low around 67°F19°C. Light wind from the S around 3 mph5 km/h. |
| FridayJul 24 | Partly Cloudy | High 80°F26°C | Low 61°F16°C | Precip 0 in0 mm— | Cloud 60% | Wind S 5 mph8 km/h | Friday: Mostly cloudy and warm, with a high of 80°F26°C and morning low of 63°F17°C. Light wind from the S around 5 mph8 km/h. Friday Night: Mostly cloudy, with a low around 61°F16°C. Light wind from the S around 5 mph8 km/h. |
| SaturdayJul 25 | Partly Cloudy | High 82°F28°C | Low 63°F17°C | Precip 0 in0.1 mm3% | Cloud 55% | Wind SW 6 mph10 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 8 mph11 to 14 km/h. Saturday Night: Partly cloudy, with a low around 63°F17°C. Light wind from the SW around 5 mph8 km/h. |
| SundayJul 26 | Hot | High 90°F32°CFeels 98°F36°C | Low 71°F22°C | Precip 0.02 in0.6 mm8% | Cloud 62% | Wind SW 5 mph9 km/h | Sunday: Mostly cloudy and hot, with a high of 90°F32°C and morning low of 73°F23°C — feels like 97°F36°C. Breezy from the SW at 6 to 7 mph9 to 12 km/h. Heat risk in the afternoon. Sunday Night: Mostly cloudy, with a low around 71°F22°C. Light wind from the SW around 5 mph8 km/h. |
| MondayJul 27 | Showers | High 91°F33°CFeels 100°F38°C | Low 75°F24°C | Precip 0.26 in6.6 mm31% | Cloud 49% | Wind SW 8 mph12 km/h | Monday: Mostly cloudy and hot, with a high of 91°F33°C and morning low of 75°F24°C — feels like 100°F38°C. Breezy from the SW at 8 to 10 mph14 to 16 km/h. 31% 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 mph11 km/h. 21% chance of showers throughout the night. |
| TuesdayJul 28 | Showers | High 86°F30°CFeels 89°F32°C | Low 72°F22°C | Precip 0.05 in1.3 mm18% | Cloud 32% | Wind N 8 mph12 km/h | Tuesday: Partly cloudy and hot, with a high of 86°F30°C and morning low of 75°F24°C. Breezy from the N at 8 to 9 mph14 to 14 km/h. Humid. Tuesday Night: Mostly clear, with a low around 72°F22°C. Breezy from the N at 7 mph11 km/h. 18% chance of showers throughout the night. |
| WednesdayJul 29 | Clear | High 86°F30°C | Low 66°F19°C | Precip 0.01 in0.2 mm5% | Cloud 18% | Wind NNE 6 mph10 km/h | Wednesday: Mostly clear and warm, with a high of 86°F30°C and morning low of 67°F19°C. Breezy from the N at 6 to 7 mph10 to 11 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· — | 75% | Partly Cloudy | S 3 mph4 km/h | |
DayMostly cloudy and warm, with a high of 78°F25°C. Light wind from the S around 2 mph3 km/h. Dry air. NightOvercast, with a low around 67°F19°C. Light wind from the S around 3 mph5 km/h. | |||||||
| FridayJul 24 | 80°F26°C | 61°F16°C | 0 in0 mm· — | 60% | Partly Cloudy | S 5 mph8 km/h | |
DayMostly cloudy and warm, with a high of 80°F26°C and morning low of 63°F17°C. Light wind from the S around 5 mph8 km/h. NightMostly cloudy, with a low around 61°F16°C. Light wind from the S around 5 mph8 km/h. | |||||||
| SaturdayJul 25 | 82°F28°C | 63°F17°C | 0 in0.1 mm· 3% | 55% | Partly Cloudy | SW 6 mph10 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 8 mph11 to 14 km/h. NightPartly cloudy, with a low around 63°F17°C. Light wind from the SW around 5 mph8 km/h. | |||||||
| SundayJul 26 | 90°F32°C Feels 98°F36°C | 71°F22°C | 0.02 in0.6 mm· 8% | 62% | Hot | SW 5 mph9 km/h | |
DayMostly cloudy and hot, with a high of 90°F32°C and morning low of 73°F23°C — feels like 97°F36°C. Breezy from the SW at 6 to 7 mph9 to 12 km/h. Heat risk in the afternoon. NightMostly cloudy, with a low around 71°F22°C. Light wind from the SW around 5 mph8 km/h. | |||||||
| MondayJul 27 | 91°F33°C Feels 100°F38°C | 75°F24°C | 0.26 in6.6 mm· 31% | 49% | Showers | SW 8 mph12 km/h | |
DayMostly cloudy and hot, with a high of 91°F33°C and morning low of 75°F24°C — feels like 100°F38°C. Breezy from the SW at 8 to 10 mph14 to 16 km/h. 31% 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 mph11 km/h. 21% chance of showers throughout the night. | |||||||
| TuesdayJul 28 | 86°F30°C Feels 89°F32°C | 72°F22°C | 0.05 in1.3 mm· 18% | 32% | Showers | N 8 mph12 km/h | |
DayPartly cloudy and hot, with a high of 86°F30°C and morning low of 75°F24°C. Breezy from the N at 8 to 9 mph14 to 14 km/h. Humid. NightMostly clear, with a low around 72°F22°C. Breezy from the N at 7 mph11 km/h. 18% chance of showers throughout the night. | |||||||
| WednesdayJul 29 | 86°F30°C | 66°F19°C | 0.01 in0.2 mm· 5% | 18% | Clear | NNE 6 mph10 km/h | |
DayMostly clear and warm, with a high of 86°F30°C and morning low of 67°F19°C. Breezy from the N at 6 to 7 mph10 to 11 km/h. NightMostly clear, with a low around 66°F19°C. Light wind from the NE around 6 mph9 km/h. | |||||||
| ThursdayJul 30 | 87°F31°C | 67°F20°C | 0.06 in1.6 mm· 14% | 35% | Drizzle | WSW 6 mph10 km/h | |
DayPartly cloudy and hot, with a high of 87°F31°C and morning low of 68°F20°C. Breezy from the WSW at 7 mph11 km/h. 14% chance of drizzle throughout the day. NightPartly cloudy, with a low around 67°F20°C. Light wind from the SSW around 6 mph9 km/h. 10% chance of drizzle throughout the night. | |||||||
| FridayJul 31 | 88°F31°C | 69°F21°C | 0.04 in1.1 mm· 12% | 36% | Drizzle | WSW 6 mph10 km/h | |
DayPartly cloudy and hot, with a high of 88°F31°C and morning low of 70°F21°C. Breezy from the WSW at 7 to 8 mph11 to 13 km/h. NightPartly cloudy, with a low around 69°F21°C. Light wind from the SW around 6 mph9 km/h. 12% chance of drizzle throughout the night. | |||||||
| SaturdayAug 1 | 88°F31°C | 69°F21°C | 0.06 in1.4 mm· 11% | 32% | Drizzle | W 6 mph10 km/h | |
DayPartly cloudy and hot, with a high of 88°F31°C and morning low of 70°F21°C. Breezy from the WNW at 7 to 8 mph11 to 13 km/h. 10% 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. 11% chance of drizzle throughout the night. | |||||||
| SundayAug 2 | 87°F30°C | 68°F20°C | 0.08 in2 mm· 15% | 46% | Drizzle | SW 7 mph11 km/h | |
DayMostly cloudy and hot, with a high of 87°F30°C and morning low of 69°F20°C. Breezy from the WSW at 7 to 8 mph11 to 13 km/h. 14% chance of drizzle throughout the day. NightPartly cloudy, with a low around 68°F20°C. Light wind from the SSW around 6 mph10 km/h. 15% chance of drizzle throughout the night. | |||||||
| MondayAug 3 | 88°F31°C | 69°F21°C | 0.08 in2 mm· 14% | 48% | Showers | SSW 7 mph12 km/h | |
DayMostly cloudy and hot, with a high of 88°F31°C and morning low of 69°F21°C. Breezy from the SW at 8 to 9 mph12 to 15 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. 11% chance of showers throughout the night. | |||||||
| TuesdayAug 4 | 87°F31°C | 71°F22°C | 0.13 in3.3 mm· 19% | 53% | Showers | SW 8 mph13 km/h | |
DayMostly cloudy and hot, with a high of 87°F31°C and morning low of 71°F22°C. Breezy from the SW at 9 to 10 mph14 to 16 km/h. 19% chance of showers throughout the day. NightMostly cloudy, with a low around 71°F22°C. Breezy from the SW at 7 mph12 km/h. 15% chance of showers throughout the night. | |||||||
| WednesdayAug 5 | 86°F30°C | 69°F21°C | 0.12 in3.1 mm· 20% | 47% | Showers | WSW 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 86°F30°C and morning low of 69°F21°C. Breezy from the W at 8 to 9 mph13 to 14 km/h. 18% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F21°C. Breezy from the WSW at 7 mph11 km/h. 20% chance of showers throughout the night. | |||||||
| ThursdayAug 6 | 85°F30°C | 68°F20°C | 0.11 in2.7 mm· 17% | 44% | Showers | WSW 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 85°F30°C and morning low of 68°F20°C. Breezy from the WSW at 8 to 9 mph12 to 14 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 mph10 km/h. 14% chance of showers throughout the night. | |||||||
Nearby Cities
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.
WeatherMesh consistently outperforms legacy models in independent benchmarks. View Benchmarks →
Access WeatherMesh forecasts programmatically via our API. API Documentation →
Coordinates: 41.6828°N, 88.3515°W·Elevation: 195m·Timezone: America/Chicago·Population: 33,955