Weather forecast for tomorrow
Oswego, IL

Weather forecast for tomorrow

Wednesday, Jun 18.

Scattered Thunderstorms
5:16 am

8:32 pm
CDT
Scattered Thunderstorms
81°F / 61°F
  • Wind: 19mph SSW
  • Humidity: 80%
  • Precip. probability: 58%
  • Precipitation: 0.51"
  • UV index: 7
Tomorrow, in Oswego, scattered thunderstorms are expected, bringing heavy rain and thunder at times.
The likelihood of rainfall is high, and precipitation will be moderate. Temperatures are forecasted to peak at a temperate 80.6°F and drop to a minimum of a breezy 60.8°F.
The maximum heat index, which modifies the air temperature to account for humidity, is estimated at a tropical 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The maximum temperature will align with June's usual high of 78.4°F.
Sunrise will be at 5:16 am and sunset at 8:32 pm; tomorrow's daylight will last for 15h and 16min.

Frequently asked questions

What is the weather forecast for Oswego for tomorrow?
Tomorrow, scattered thunderstorms are expected, with a chance of lightning and gusty winds.
Will it rain tomorrow?
Moderate precipitation of 0.51" is predicted in Oswego. The possibility of rainfall is 58%.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 80.6°F, while the lowest temperature will be 60.8°F. The maximum heat index, which factors the actual air temperature with the relative humidity, is computed to be 86°F.
The maximum temperature will be in line with the average highest temperature of 78.4°F in June. The lowest temperature will be also in line with the average low of 60.8°F.
When is the sunrise / sunset tomorrow?
On Wednesday, in Oswego, sunrise will be at 5:16 am and sunset at 8:32 pm (CDT).
How many hours of daylight will Oswego have tomorrow?
Tomorrow in Oswego, the daylight will last for 15h and 16min.

Hourly weather forecast

12 am
  • 73°F
  • Feels like:
    75°F
Showers
Showers
  • Wind: 4mph SSW
  • Pressure: 29.77"Hg
  • Humidity: 85%
  • Precip. probability: 38%
  • Precipitation: 0.04"
  • Visibility: 7mi
2 am
  • 72°F
  • Feels like:
    73°F
Few Showers
Few Showers
  • Wind: 4mph SSW
  • Pressure: 29.77"Hg
  • Humidity: 90%
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Visibility: 8mi
4 am
  • 70°F
  • Feels like:
    73°F
Cloudy
Cloudy
  • Wind: 4mph SSE
  • Pressure: 29.74"Hg
  • Humidity: 92%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 7mi
Sunrise: 5:16 am
6 am
  • 70°F
  • Feels like:
    73°F
Cloudy
Cloudy
  • Wind: 5mph SSE
  • Pressure: 29.74"Hg
  • Humidity: 95%
  • Precip. probability: 22%
  • Precipitation: 0"
  • Visibility: 7mi
8 am
  • 73°F
  • Feels like:
    75°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 7mph S
  • Pressure: 29.71"Hg
  • Humidity: 89%
  • Precip. probability: 45%
  • Precipitation: 0.08"
  • Visibility: 7mi
10 am
  • 75°F
  • Feels like:
    79°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph S
  • Pressure: 29.68"Hg
  • Humidity: 84%
  • Precip. probability: 59%
  • Precipitation: 0.16"
  • Visibility: 7mi
12 pm
  • 77°F
  • Feels like:
    81°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 14mph SSW
  • Pressure: 29.65"Hg
  • Humidity: 78%
  • Precip. probability: 42%
  • Precipitation: 0.08"
  • Visibility: 6mi
2 pm
  • 79°F
  • Feels like:
    82°F
Showers
Showers
  • Wind: 19mph SW
  • Pressure: 29.62"Hg
  • Humidity: 75%
  • Precip. probability: 35%
  • Precipitation: 0.04"
  • Visibility: 7mi
4 pm
  • 77°F
  • Feels like:
    81°F
Few Showers
Few Showers
  • Wind: 19mph WSW
  • Pressure: 29.62"Hg
  • Humidity: 73%
  • Precip. probability: 33%
  • Precipitation: 0.04"
  • Visibility: 10mi
6 pm
  • 75°F
  • Feels like:
    77°F
Cloudy
Cloudy
  • Wind: 12mph WNW
  • Pressure: 29.62"Hg
  • Humidity: 77%
  • Precip. probability: 22%
  • Precipitation: 0"
  • Visibility: 7mi
8 pm
  • 72°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WNW
  • Pressure: 29.68"Hg
  • Humidity: 79%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 7mi
Sunset: 8:32 pm
10 pm
  • 68°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph NW
  • Pressure: 29.71"Hg
  • Humidity: 87%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 7mi
Tomorrow, on Wednesday, weather will be unstable, and a mix of overcast, rain-soaked, stormy and sunny weather is predicted.
Rainfall is forecasted from 12 am to 3 am, and from 8 am to 4 pm. With moderate precipitation of 0.16", the most intense rain will be falling at 9 am and 10 am.
The temperature will be between the lowest temperature of 66.2°F and the highest temperature of 78.8°F. The warmest part of the day will be at 2 pm and 3 pm.
The maximum temperature will be in line with the average high of 78.4°F in June. The minimum temperature will be also similar to June's average low of 60.8°F.
Updated: Jun 17, 2025 @ 15:23:43 UTC
Published by: Weather U.S. | About Us
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