St. Charles, IL 14 Day Weather - 60134 WeatherWorld.com

Feedback E-mail the Weather

Quick Weather Clicks

St. Charles, IL Weather - 14-Day Weather Forecast

Current Conditions

Settings
St. Charles IL Weather - Mostly Cloudy - 59°F
Mostly Cloudy
59°F
Updated 7:57 am
Feels Like 57°F
Humidity 86%
Wind SSE 5 mph
Barometer  29.9 in
Dew Point 55°F
St. Charles IL Weather - Mostly Cloudy - 15°C
Mostly Cloudy
15°C
Updated 7:57 am
Feels Like 14°C
Humidity 86%
Wind SSE 8 km/h
Barometer  101.3 kPa
Dew Point 13°C
St. Charles, IL Weather and Current Conditionsst. charles il weather forecast

St. Charles, IL Weather Forecast

St. Charles Illinois WeatherSt. Charles, Illinois Weather Weather Forecast
Here is the API 14 day weather forecast for St. Charles, Illinois. Note: The 7-day weather forecast for St. Charles, IL is the most reliable and accurate weather forecast. This template should only be used as a probable scenario. Forecasting weather beyond the next 7 days is a challenge.
St. Charles, IL Weather Forecast Dated: 757 AM Mon Oct 12 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and a stable pattern will dominate.

Monday, October 12, 2026

Mid-Morning
St. Charles Weather - 2026-10-12 - Morning - Sunny
67°F 19°C
Sunny
Mid-Afternoon
St. Charles Weather - 2026-10-12 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
St. Charles Weather - 2026-10-12 - Evening - Cloudy
73°F 23°C
Cloudy
Warm and summery around 81°F 27°C (feels like 84°F 29°C), sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the SSW to the SW at 10 mph 16 km/h. Gusts up to 30 mph 48 km/h.

Tuesday, October 13, 2026

Mid-Morning
St. Charles Weather - 2026-10-13 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
St. Charles Weather - 2026-10-13 - Afternoon - Sunny
79°F 26°C
Sunny
Early-Evening
St. Charles Weather - 2026-10-13 - Evening - Scattered Showers
71°F 22°C
Scattered Showers
Comfortable with temperatures reaching 79°F 26°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the W to the N at 5 mph 8 km/h.

Wednesday, October 14, 2026

Mid-Morning
St. Charles Weather - 2026-10-14 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
St. Charles Weather - 2026-10-14 - Afternoon - Cloudy
67°F 19°C
Cloudy
Early-Evening
St. Charles Weather - 2026-10-14 - Evening - Overcast
59°F 15°C
Overcast
Comfortable at 67°F 19°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure rising. Winds moving from the NNE to the NE at 12 mph 19 km/h. Gusts up to 20 mph 32 km/h.

Thursday, October 15, 2026

Mid-Morning
St. Charles Weather - 2026-10-15 - Morning - Scattered Showers
57°F 14°C
Scattered Showers
Mid-Afternoon
St. Charles Weather - 2026-10-15 - Afternoon - Light Showers
57°F 14°C
Light Showers
Early-Evening
St. Charles Weather - 2026-10-15 - Evening - Light Fog
57°F 14°C
Light Fog
Crisp with a high near 57°F 14°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds swinging from the E to the WSW at 6 mph 10 km/h.

Friday, October 16, 2026

Mid-Morning
St. Charles Weather - 2026-10-16 - Morning - Sunny
44°F 7°C
Sunny
Mid-Afternoon
St. Charles Weather - 2026-10-16 - Afternoon - Overcast
49°F 10°C
Overcast
Early-Evening
St. Charles Weather - 2026-10-16 - Evening - Overcast
45°F 7°C
Overcast
Brisk around 49°F 10°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure rising. Winds shifting from the WNW to the NNW at 19 mph 30 km/h. Gusts up to 30 mph 48 km/h.

Saturday, October 17, 2026

Mid-Morning
St. Charles Weather - 2026-10-17 - Morning - Sunny
38°F 3°C
Sunny
Mid-Afternoon
St. Charles Weather - 2026-10-17 - Afternoon - Sunny
50°F 10°C
Sunny
Early-Evening
St. Charles Weather - 2026-10-17 - Evening - Sunny
43°F 6°C
Sunny
Cool and brisk at 50°F 10°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds turning from the SE to the SSW at 5 mph 8 km/h.

Sunday, October 18, 2026

Mid-Morning
St. Charles Weather - 2026-10-18 - Morning - Sunny
42°F 6°C
Sunny
Mid-Afternoon
St. Charles Weather - 2026-10-18 - Afternoon - Sunny
56°F 13°C
Sunny
Early-Evening
St. Charles Weather - 2026-10-18 - Evening - Sunny
48°F 9°C
Sunny
Chilly near 56°F 13°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds out of the SSW at 15 mph 24 km/h. Gusts up to 28 mph 45 km/h.

Monday, October 19, 2026

Mid-Morning
St. Charles Weather - 2026-10-19 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
St. Charles Weather - 2026-10-19 - Afternoon - Overcast
64°F 18°C
Overcast
Early-Evening
St. Charles Weather - 2026-10-19 - Evening - Overcast
57°F 14°C
Overcast
Cool with a high near 64°F 18°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the SSW at 10 mph 17 km/h.

Tuesday, October 20, 2026

Mid-Morning
St. Charles Weather - 2026-10-20 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
St. Charles Weather - 2026-10-20 - Afternoon - Overcast
67°F 19°C
Overcast
Early-Evening
St. Charles Weather - 2026-10-20 - Evening - Partly Cloudy
62°F 17°C
Partly Cloudy
Refreshing around 67°F 19°C, overcast in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure.

Wednesday, October 21, 2026

Mid-Morning
St. Charles Weather - 2026-10-21 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
St. Charles Weather - 2026-10-21 - Afternoon - Sunny
71°F 21°C
Sunny
Early-Evening
St. Charles Weather - 2026-10-21 - Evening - Sunny
63°F 17°C
Sunny
Mild with a high of 71°F 21°C, sunny throughout the day, with steady humidity and steady pressure.

Thursday, October 22, 2026

Mid-Morning
St. Charles Weather - 2026-10-22 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
St. Charles Weather - 2026-10-22 - Afternoon - Sunny
71°F 21°C
Sunny
Early-Evening
St. Charles Weather - 2026-10-22 - Evening - Overcast
63°F 17°C
Overcast
Pleasant near 71°F 21°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds swinging from the S to the SSW at 10 mph 15 km/h. Gusts up to 24 mph 38 km/h.

Friday, October 23, 2026

Mid-Morning
St. Charles Weather - 2026-10-23 - Morning - Drizzle
61°F 16°C
Drizzle
Mid-Afternoon
St. Charles Weather - 2026-10-23 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
St. Charles Weather - 2026-10-23 - Evening - Clear
53°F 12°C
Clear
Cool with a high near 65°F 18°C, morning showers, giving way to clearing skies, with lower humidity and barometric pressure rising. Winds shifting from the NW to the N at 9 mph 14 km/h.

Saturday, October 24, 2026

Mid-Morning
St. Charles Weather - 2026-10-24 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
St. Charles Weather - 2026-10-24 - Afternoon - Sunny
58°F 14°C
Sunny
Early-Evening
St. Charles Weather - 2026-10-24 - Evening - Cloudy
52°F 11°C
Cloudy
Refreshing around 58°F 14°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds turning from the E to the SSE at 10 mph 15 km/h. Gusts up to 20 mph 32 km/h.

Sunday, October 25, 2026

Mid-Morning
St. Charles Weather - 2026-10-25 - Morning - Scattered Showers
51°F 10°C
Scattered Showers
Mid-Afternoon
St. Charles Weather - 2026-10-25 - Afternoon - Overcast
62°F 17°C
Overcast
Early-Evening
St. Charles Weather - 2026-10-25 - Evening - Light Rain
57°F 14°C
Light Rain
Mildly cool near 62°F 17°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds switching from the SSE to the NW at 11 mph 18 km/h. Gusts up to 22 mph 35 km/h.

Trending Headlines

St. Charles, IL Weather Radar Map

Use the map search tool if you want to place a location marker on the radar map...

St. Charles, IL 7 Day Weather

National Two Day Weather Forecast


E-mail the St. Charles Weather Forecast

Voice your opinion or tell us about page issues...

Weather by the Numbers

Mon, 12th
St. Charles IL Weather - Monday, Oct 12, 2026 - Sunny
Hi: 81°F 27°C
Lo: 61°F 16°C
Sunrise 07:02 AM
Sunset 06:16 PM
Wind SW 15 mph24 km/h
Dew Point 63°F17°C
uv Index 4
Barometric Pressure 29.83 in1010 mb
POP 4% *
Humidity 62%
Tue, 13th
St. Charles IL Weather - Tuesday, Oct 13, 2026 - Patchy Rain Nearby
Hi: 79°F 26°C
Lo: 66°F 19°C
Sunrise 07:03 AM
Sunset 06:14 PM
Wind W 11 mph17 km/h
Dew Point 64°F18°C
uv Index 5
Barometric Pressure 29.83 in1010 mb
POP 22% *
Humidity 66%
Wed, 14th
St. Charles IL Weather - Wednesday, Oct 14, 2026 - Overcast
Hi: 68°F 20°C
Lo: 57°F 14°C
Sunrise 07:04 AM
Sunset 06:13 PM
Wind NE 10 mph16 km/h
Dew Point 59°F15°C
uv Index 1
Barometric Pressure 30.03 in1017 mb
POP 24% *
Humidity 81%
Thu, 15th
St. Charles IL Weather - Thursday, Oct 15, 2026 - Light Drizzle
Hi: 59°F 15°C
Lo: 56°F 13°C
Sunrise 07:06 AM
Sunset 06:11 PM
Wind E 10 mph16 km/h
Dew Point 54°F12°C
uv Index 1
Barometric Pressure 30.09 in1019 mb
POP 56% *
Humidity 93%
Fri, 16th
St. Charles IL Weather - Friday, Oct 16, 2026 - Patchy Rain Nearby
Hi: 56°F 13°C
Lo: 40°F 4°C
Sunrise 07:07 AM
Sunset 06:10 PM
Wind NW 23 mph37 km/h
Dew Point 38°F3°C
uv Index 3
Barometric Pressure 30.18 in1022 mb
POP 12% *
Humidity 62%
Sat, 17th
St. Charles IL Weather - Saturday, Oct 17, 2026 - Sunny
Hi: 50°F 10°C
Lo: 32°F -0°C
Sunrise 07:08 AM
Sunset 06:08 PM
Wind NNE 5 mph8 km/h
Dew Point 30°F-1°C
uv Index 3
Barometric Pressure 30.56 in1035 mb
POP 3% *
Humidity 54%
Sun, 18th
St. Charles IL Weather - Sunday, Oct 18, 2026 - Sunny
Hi: 57°F 14°C
Lo: 36°F 2°C
Sunrise 07:09 AM
Sunset 06:07 PM
Wind SSW 17 mph27 km/h
Dew Point 32°F-0°C
uv Index 4
Barometric Pressure 30.3 in1026 mb
POP 2% *
Humidity 46%
Mon, 19th
St. Charles IL Weather - Monday, Oct 19, 2026 - Overcast
Hi: 64°F 18°C
Lo: 42°F 5°C
Sunrise 07:10 AM
Sunset 06:05 PM
Wind SSW 12 mph20 km/h
Dew Point 44°F7°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 13% *
Humidity 55%
Tue, 20th
St. Charles IL Weather - Tuesday, Oct 20, 2026 - Overcast
Hi: 68°F 20°C
Lo: 56°F 13°C
Sunrise 07:11 AM
Sunset 06:04 PM
Wind S 5 mph8 km/h
Dew Point 56°F13°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 20% *
Humidity 74%
Wed, 21st
St. Charles IL Weather - Wednesday, Oct 21, 2026 - Sunny
Hi: 71°F 22°C
Lo: 54°F 12°C
Sunrise 07:13 AM
Sunset 06:02 PM
Wind SE 7 mph11 km/h
Dew Point 54°F12°C
uv Index 5
Barometric Pressure 30.33 in1027 mb
POP 4% *
Humidity 63%
Thu, 22nd
St. Charles IL Weather - Thursday, Oct 22, 2026 - Cloudy
Hi: 71°F 21°C
Lo: 55°F 13°C
Sunrise 07:14 AM
Sunset 06:01 PM
Wind S 13 mph21 km/h
Dew Point 54°F12°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 5% *
Humidity 62%
Fri, 23rd
St. Charles IL Weather - Friday, Oct 23, 2026 - Overcast
Hi: 66°F 19°C
Lo: 47°F 9°C
Sunrise 07:15 AM
Sunset 05:59 PM
Wind NNW 12 mph20 km/h
Dew Point 46°F8°C
uv Index 4
Barometric Pressure 30.21 in1023 mb
POP 4% *
Humidity 53%
Sat, 24th
St. Charles IL Weather - Saturday, Oct 24, 2026 - Sunny
Hi: 58°F 14°C
Lo: 44°F 7°C
Sunrise 07:16 AM
Sunset 05:58 PM
Wind SE 8 mph13 km/h
Dew Point 39°F4°C
uv Index 4
Barometric Pressure 30.39 in1029 mb
POP 2% *
Humidity 52%
Sun, 25th
St. Charles IL Weather - Sunday, Oct 25, 2026 - Moderate Rain
Hi: 64°F 18°C
Lo: 49°F 10°C
Sunrise 07:17 AM
Sunset 05:56 PM
Wind S 15 mph24 km/h
Dew Point 51°F11°C
uv Index 3
Barometric Pressure 29.8 in1009 mb
POP 73% *
Humidity 82%
* POP = Probability of Precipitation. Data for 12:00 PM.