Weather forecast for 10 days
Saint Charles, IL

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Weather forecast for the weekend

Weather forecast - Saturday, Jul 20.

Mostly Cloudy
5:36 am

8:23 pm
CDT
Mostly Cloudy
81°F / 61°F
  • Wind: 4mph WSW
  • Humidity: 47%
  • Precip. probability: 1%
  • Precipitation: 0"
  • UV index: 8
Today, on Saturday, July 20, predominantly clouded weather is anticipated.
Temperature is predicted to swing from a high of a warm 80.6°F (27°C) to a low of a comfortable 60.8°F (16°C).
The maximum heat index, which represents the influence of relative humidity on air temperature, is estimated at 80.6°F (27°C).
The day's peak temperature will adhere to the standard high for July of 81°F (27.2°C).
Sunrise was at 5:36 am and sunset will be at 8:23 pm; the daylight will last for 14h and 47min.

Weather forecast - Sunday, Jul 21.

Partly Cloudy
5:37 am

8:22 pm
CDT
Partly Cloudy
82°F / 63°F
  • Wind: 4mph NNE
  • Humidity: 56%
  • Precip. probability: 8%
  • Precipitation: 0"
  • UV index: 7
Tomorrow, moderately clouded weather is also expected.
The highest temperature will be a moderately hot 82.4°F (28°C), while the lowest predicted temperature is a comfortable 62.6°F (17°C).
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is computed to be 84.2°F (29°C).
The maximum temperature for tomorrow will adhere to the common high temperature in July.
Sunrise will be at 5:37 am and sunset at 8:22 pm; tomorrow's daylight will last for 14h and 45min.

Frequently asked questions

What is the weather forecast for Saint Charles for tomorrow?

Tomorrow, partially clouded weather is expected.

What will be the highest temperature tomorrow?

Tomorrow, the highest temperature in Saint Charles will be 82.4°F (28°C), while the lowest temperature will be 62.6°F (17°C). The maximum heat index, which takes the relative humidity and factors it into the air temperature reading, is calculated to be 84.2°F (29°C).
The maximum temperature tomorrow will be in line with the average highest temperature in July. Tomorrow, the lowest temperature will be also in line with the average low temperature.

What time are sunrise and sunset tomorrow in Saint Charles?

On Sunday, in Saint Charles, sunrise will be at 5:37 am and sunset at 8:22 pm (CDT).

How long will the day be tomorrow?

Tomorrow, the daylight will last for 14h and 45min.

What is the weather forecast for Saint Charles for the next ten days?

In Saint Charles, weather will be unstable, and a combination of stormy, cloudy, sunny and rainy weather is forecasted for the next ten days.

Will it rain in the next ten days?

Rainfall is forecasted for Monday through Wednesday, next Sunday and Monday in Saint Charles. With light precipitation of 0.2" (5mm), Wednesday will be the day with the most rainfall.

How hot will it be in the next ten days?

The maximum temperature will vary between 80.6°F (27°C) and 87.8°F (31°C), while the minimum temperature will be between 59°F (15°C) and 69.8°F (21°C).
Taking the humidity into consideration, the maximum feel-like temperature will vary between 80.6°F (27°C) and 100.4°F (38°C).

What will be the hottest and the coldest days?

With a maximum temperature of 87.8°F (31°C), next Sunday and Monday will be the hottest days. With a maximum temperature of 80.6°F (27°C), Saturday and Thursday will be the coldest days.

Long-term weather forecast

10 days weather forecast - Saint Charles, IL

SatJul 20.
  • 81°F
  • 61°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph WSW
  • Humidity: 47%
  • UV index: 8
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:36 am 8:23 pm CDT
SunJul 21.
  • 82°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph NNE
  • Humidity: 56%
  • UV index: 7
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:37 am 8:22 pm CDT
MonJul 22.
  • 82°F
  • 63°F
PM Showers
PM Showers
  • Wind: 4mph N
  • Humidity: 64%
  • UV index: 8
  • Precip. probability: 36%
  • Precipitation: 0.04"
  • 5:38 am 8:21 pm CDT
TueJul 23.
  • 84°F
  • 66°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 6mph WSW
  • Humidity: 65%
  • UV index: 9
  • Precip. probability: 47%
  • Precipitation: 0.08"
  • 5:38 am 8:20 pm CDT
WedJul 24.
  • 82°F
  • 63°F
Thunderstorms
Thunderstorms
  • Wind: 7mph WNW
  • Humidity: 72%
  • UV index: 8
  • Precip. probability: 76%
  • Precipitation: 0.2"
  • 5:39 am 8:19 pm CDT
ThuJul 25.
  • 81°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph NNE
  • Humidity: 66%
  • UV index: 9
  • Precip. probability: 18%
  • Precipitation: 0"
  • 5:40 am 8:18 pm CDT
FriJul 26.
  • 82°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Wind: 7mph E
  • Humidity: 60%
  • UV index: 9
  • Precip. probability: 10%
  • Precipitation: 0"
  • 5:41 am 8:17 pm CDT
SatJul 27.
  • 84°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Wind: 7mph SSE
  • Humidity: 62%
  • UV index: 9
  • Precip. probability: 17%
  • Precipitation: 0"
  • 5:42 am 8:16 pm CDT
SunJul 28.
  • 88°F
  • 70°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 9mph SSW
  • Humidity: 66%
  • UV index: 9
  • Precip. probability: 34%
  • Precipitation: 0.12"
  • 5:43 am 8:15 pm CDT
MonJul 29.
  • 88°F
  • 70°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 10mph SW
  • Humidity: 72%
  • UV index: 9
  • Precip. probability: 48%
  • Precipitation: 0.16"
  • 5:44 am 8:14 pm CDT
The weather will be unstable for the next ten days, and a mix of stormy, cloudy, sunny and rainy weather is forecasted.
Rainfall is anticipated on Monday through Wednesday, next Sunday and Monday. With light precipitation of 0.2" (5mm), most rainfall is expected on Wednesday.
In the upcoming period, the maximum temperature will range between 80.6°F (27°C) and 87.8°F (31°C), while the lowest temperature will be between 59°F (15°C) and 69.8°F (21°C).
With a maximum temperature of 87.8°F (31°C), next Sunday and Monday will be the hottest days in Saint Charles; the coldest days will be Saturday and Thursday, with a maximum of 80.6°F (27°C).
Taking the humidity into consideration, the maximum feel-like temperature may increase greatly and range between 80.6°F (27°C) and a very hot 100.4°F (38°C).
With an average high-temperature of 81°F (27.2°C) and an average low-temperature of 64.2°F (17.9°C), July is the warmest month in Saint Charles.
Updated: Jul 20, 2024 @ 16:37:51 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate

Saint Charles, Illinois, USA

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