Capital, IL 14 Day Weather

Feedback E-mail the Weather

Quick Weather Clicks

Capital, IL Weather - 14-Day Weather Forecast

Current Conditions

Settings
Capital IL Weather - Mostly Cloudy - 68°F
Mostly Cloudy
68°F
Updated 6:54 pm
Feels Like 66°F
Humidity 72%
Wind NE 3 mph
Barometer  30.19 in
Dew Point 59°F
Capital IL Weather - Mostly Cloudy - 20°C
Mostly Cloudy
20°C
Updated 6:54 pm
Feels Like 19°C
Humidity 72%
Wind NE 5 km/h
Barometer  102.2 kPa
Dew Point 15°C
Capital, IL Weather and Current Conditionscapital il weather forecast

Capital, IL Weather Forecast

Capital Illinois WeatherCapital, Illinois Weather Weather Forecast
14 day API forecast for Capital. Note. The 7-day Capital weather forecast is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Capital, IL Weather Forecast Dated: 654 PM Fri Sep 25 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Friday, September 25, 2026

Mid-Morning
Capital Weather - 2026-09-25 - Morning - Overcast
62°F 16°C
Overcast
Mid-Afternoon
Capital Weather - 2026-09-25 - Afternoon - Overcast
67°F 20°C
Overcast
Early-Evening
Capital Weather - 2026-09-25 - Evening - Overcast
67°F 19°C
Overcast
Refreshing around 67°F 20°C, overcast throughout the day, with lower humidity and steady pressure.

Saturday, September 26, 2026

Mid-Morning
Capital Weather - 2026-09-26 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Capital Weather - 2026-09-26 - Afternoon - Overcast
65°F 19°C
Overcast
Early-Evening
Capital Weather - 2026-09-26 - Evening - Overcast
66°F 19°C
Overcast
Mildly cool near 65°F 19°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds turning from the ESE to the NNE at 3 mph 5 km/h.

Sunday, September 27, 2026

Mid-Morning
Capital Weather - 2026-09-27 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Capital Weather - 2026-09-27 - Afternoon - Overcast
78°F 25°C
Overcast
Early-Evening
Capital Weather - 2026-09-27 - Evening - Partly Cloudy
71°F 22°C
Partly Cloudy
Enjoyable around 78°F 25°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.

Monday, September 28, 2026

Mid-Morning
Capital Weather - 2026-09-28 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Capital Weather - 2026-09-28 - Afternoon - Overcast
78°F 25°C
Overcast
Early-Evening
Capital Weather - 2026-09-28 - Evening - Sunny
72°F 22°C
Sunny
Mild temperatures up to 78°F 25°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling.

Tuesday, September 29, 2026

Mid-Morning
Capital Weather - 2026-09-29 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
Capital Weather - 2026-09-29 - Afternoon - Overcast
78°F 25°C
Overcast
Early-Evening
Capital Weather - 2026-09-29 - Evening - Overcast
76°F 24°C
Overcast
Mild with a high of 78°F 25°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds switching from the SSE to the SE at 8 mph 12 km/h.

Wednesday, September 30, 2026

Mid-Morning
Capital Weather - 2026-09-30 - Morning - Scattered Showers
67°F 19°C
Scattered Showers
Mid-Afternoon
Capital Weather - 2026-09-30 - Afternoon - Scattered Showers
66°F 19°C
Scattered Showers
Early-Evening
Capital Weather - 2026-09-30 - Evening - Light Showers
67°F 20°C
Light Showers
Mildly cool near 66°F 19°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds moving from the SSE to the S at 12 mph 20 km/h. Gusts up to 34 mph 54 km/h.

Thursday, October 1, 2026

Mid-Morning
Capital Weather - 2026-10-01 - Morning - Light Showers
66°F 19°C
Light Showers
Mid-Afternoon
Capital Weather - 2026-10-01 - Afternoon - Light Showers
74°F 23°C
Light Showers
Early-Evening
Capital Weather - 2026-10-01 - Evening - Scattered Showers
68°F 21°C
Scattered Showers
Comfortable with temperatures reaching 74°F 23°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds swinging from the SSW to the NW at 7 mph 11 km/h.

Friday, October 2, 2026

Mid-Morning
Capital Weather - 2026-10-02 - Morning - Light Fog
67°F 20°C
Light Fog
Mid-Afternoon
Capital Weather - 2026-10-02 - Afternoon - Sunny
79°F 26°C
Sunny
Early-Evening
Capital Weather - 2026-10-02 - Evening - Partly Cloudy
74°F 23°C
Partly Cloudy
Enjoyable around 79°F 26°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure.

Saturday, October 3, 2026

Mid-Morning
Capital Weather - 2026-10-03 - Morning - Scattered Showers
74°F 24°C
Scattered Showers
Mid-Afternoon
Capital Weather - 2026-10-03 - Afternoon - Cloudy
81°F 27°C
Cloudy
Early-Evening
Capital Weather - 2026-10-03 - Evening - Scattered Showers
81°F 27°C
Scattered Showers
Very warm near 81°F 27°C, though humidity makes it feel like 84°F 29°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds blowing from the S at 15 mph 24 km/h. Gusts up to 29 mph 46 km/h.

Sunday, October 4, 2026

Mid-Morning
Capital Weather - 2026-10-04 - Morning - Scattered Showers
77°F 25°C
Scattered Showers
Mid-Afternoon
Capital Weather - 2026-10-04 - Afternoon - Rain Showers
87°F 31°C
Rain Showers
Early-Evening
Capital Weather - 2026-10-04 - Evening - Scattered Showers
76°F 24°C
Scattered Showers
Warm and summery around 87°F 31°C (feels like 90°F 32°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the SW to the ESE at 11 mph 19 km/h. Gusts up to 22 mph 35 km/h.

Monday, October 5, 2026

Mid-Morning
Capital Weather - 2026-10-05 - Morning - Overcast
51°F 11°C
Overcast
Mid-Afternoon
Capital Weather - 2026-10-05 - Afternoon - Cloudy
55°F 13°C
Cloudy
Early-Evening
Capital Weather - 2026-10-05 - Evening - Overcast
51°F 11°C
Overcast
Chilly near 55°F 13°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure rising. Winds switching from the NNW to the NW at 14 mph 23 km/h. Gusts up to 26 mph 42 km/h.

Tuesday, October 6, 2026

Mid-Morning
Capital Weather - 2026-10-06 - Morning - Sunny
45°F 7°C
Sunny
Mid-Afternoon
Capital Weather - 2026-10-06 - Afternoon - Cloudy
55°F 13°C
Cloudy
Early-Evening
Capital Weather - 2026-10-06 - Evening - Sunny
50°F 10°C
Sunny
Crisp with a high near 55°F 13°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds blowing from the NNW at 9 mph 15 km/h.

Wednesday, October 7, 2026

Mid-Morning
Capital Weather - 2026-10-07 - Morning - Sunny
49°F 9°C
Sunny
Mid-Afternoon
Capital Weather - 2026-10-07 - Afternoon - Sunny
64°F 18°C
Sunny
Early-Evening
Capital Weather - 2026-10-07 - Evening - Sunny
59°F 15°C
Sunny
Refreshing around 64°F 18°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds swinging from the SSW to the W at 10 mph 15 km/h.

Thursday, October 8, 2026

Mid-Morning
Capital Weather - 2026-10-08 - Morning - Overcast
51°F 11°C
Overcast
Mid-Afternoon
Capital Weather - 2026-10-08 - Afternoon - Overcast
59°F 15°C
Overcast
Early-Evening
Capital Weather - 2026-10-08 - Evening - Sunny
51°F 10°C
Sunny
Mildly cool near 59°F 15°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds shifting from the NW to the ESE at 14 mph 23 km/h. Gusts up to 26 mph 42 km/h.

Trending Headlines

Capital, IL Weather Radar Map

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

Capital, IL 7 Day Weather

National Two Day Weather Forecast


E-mail the Capital Weather Forecast

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

Weather by the Numbers

Fri, 25th
Capital IL Weather - Friday, Sep 25, 2026 - Cloudy
Hi: 69°F 21°C
Lo: 60°F 16°C
Sunrise 06:49 AM
Sunset 06:51 PM
Wind ENE 6 mph10 km/h
Dew Point 56°F14°C
uv Index 1
Barometric Pressure 30.27 in1025 mb
POP 18% *
Humidity 77%
Sat, 26th
Capital IL Weather - Saturday, Sep 26, 2026 - Overcast
Hi: 69°F 21°C
Lo: 58°F 15°C
Sunrise 06:50 AM
Sunset 06:49 PM
Wind SE 6 mph9 km/h
Dew Point 43°F6°C
uv Index 4
Barometric Pressure 30.15 in1021 mb
POP 10% *
Humidity 42%
Sun, 27th
Capital IL Weather - Sunday, Sep 27, 2026 - Partly Cloudy
Hi: 78°F 25°C
Lo: 60°F 15°C
Sunrise 06:51 AM
Sunset 06:47 PM
Wind ESE 5 mph8 km/h
Dew Point 44°F7°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 36%
Mon, 28th
Capital IL Weather - Monday, Sep 28, 2026 - Sunny
Hi: 78°F 25°C
Lo: 58°F 14°C
Sunrise 06:52 AM
Sunset 06:46 PM
Wind SE 7 mph11 km/h
Dew Point 40°F5°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 31%
Tue, 29th
Capital IL Weather - Tuesday, Sep 29, 2026 - Cloudy
Hi: 81°F 27°C
Lo: 61°F 16°C
Sunrise 06:53 AM
Sunset 06:44 PM
Wind S 14 mph22 km/h
Dew Point 42°F6°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 5% *
Humidity 28%
Wed, 30th
Capital IL Weather - Wednesday, Sep 30, 2026 - Overcast
Hi: 74°F 24°C
Lo: 66°F 19°C
Sunrise 06:54 AM
Sunset 06:42 PM
Wind SSE 11 mph18 km/h
Dew Point 59°F15°C
uv Index 4
Barometric Pressure 29.77 in1008 mb
POP 21% *
Humidity 75%
Thu, 1st
Capital IL Weather - Thursday, Oct 1, 2026 - Light Rain Shower
Hi: 74°F 24°C
Lo: 63°F 17°C
Sunrise 06:55 AM
Sunset 06:41 PM
Wind SW 9 mph14 km/h
Dew Point 65°F18°C
uv Index 5
Barometric Pressure 29.71 in1006 mb
POP 50% *
Humidity 83%
Fri, 2nd
Capital IL Weather - Friday, Oct 2, 2026 - Sunny
Hi: 79°F 26°C
Lo: 63°F 17°C
Sunrise 06:56 AM
Sunset 06:39 PM
Wind NW 2 mph4 km/h
Dew Point 62°F16°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 5% *
Humidity 64%
Sat, 3rd
Capital IL Weather - Saturday, Oct 3, 2026 - Partly Cloudy
Hi: 82°F 28°C
Lo: 70°F 21°C
Sunrise 06:57 AM
Sunset 06:37 PM
Wind S 15 mph25 km/h
Dew Point 66°F19°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 10% *
Humidity 66%
Sun, 4th
Capital IL Weather - Sunday, Oct 4, 2026 - Sunny
Hi: 88°F 31°C
Lo: 64°F 18°C
Sunrise 06:58 AM
Sunset 06:36 PM
Wind W 6 mph10 km/h
Dew Point 67°F20°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 36% *
Humidity 58%
Mon, 5th
Capital IL Weather - Monday, Oct 5, 2026 - Light Rain Shower
Hi: 63°F 17°C
Lo: 46°F 8°C
Sunrise 06:59 AM
Sunset 06:34 PM
Wind NNW 17 mph28 km/h
Dew Point 44°F7°C
uv Index 3
Barometric Pressure 30.06 in1018 mb
POP 26% *
Humidity 74%
Tue, 6th
Capital IL Weather - Tuesday, Oct 6, 2026 - Sunny
Hi: 56°F 13°C
Lo: 40°F 5°C
Sunrise 07:00 AM
Sunset 06:33 PM
Wind NNW 9 mph14 km/h
Dew Point 28°F-2°C
uv Index 4
Barometric Pressure 30.36 in1028 mb
POP 4% *
Humidity 40%
Wed, 7th
Capital IL Weather - Wednesday, Oct 7, 2026 - Sunny
Hi: 66°F 19°C
Lo: 43°F 6°C
Sunrise 07:01 AM
Sunset 06:31 PM
Wind SSW 14 mph22 km/h
Dew Point 31°F-1°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 35%
Thu, 8th
Capital IL Weather - Thursday, Oct 8, 2026 - Overcast
Hi: 60°F 15°C
Lo: 43°F 6°C
Sunrise 07:02 AM
Sunset 06:29 PM
Wind NW 15 mph24 km/h
Dew Point 37°F3°C
uv Index 3
Barometric Pressure 29.88 in1012 mb
POP 11% *
Humidity 47%
* POP = Probability of Precipitation. Data for 12:00 PM.