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Thornton IL Weather - Clear - 72°F
Clear
72°F
Updated 2:31 am
Feels Like 74°F
Humidity 74%
Wind SSW 5 mph
Barometer  30.04 in
Dew Point 64°F
Thornton IL Weather - Clear - 22°C
Clear
22°C
Updated 2:31 am
Feels Like 23°C
Humidity 74%
Wind SSW 8 km/h
Barometer  0 kPa
Dew Point 18°C
Thornton, IL Weather and Current Conditionsthornton il weather forecast

Thornton, IL Weather Forecast

Thornton Illinois WeatherThornton, Illinois Weather Weather Forecast
14 day API weather forecast for Thornton, Illinois. Note: The 7-day weather forecast for Thornton, IL is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Thornton, IL Weather Forecast Dated: 231 AM Wed Sep 09 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.

Wednesday, September 9, 2026

Mid-Morning
Thornton Weather - 2026-09-09 - Morning - Light Rain
73°F 23°C
Light Rain
Mid-Afternoon
Thornton Weather - 2026-09-09 - Afternoon - Overcast
72°F 22°C
Overcast
Early-Evening
Thornton Weather - 2026-09-09 - Evening - Cloudy
74°F 23°C
Cloudy
Pleasant near 72°F 22°C, early showers breaking for a drier afternoon, with steady humidity and steady pressure.

Thursday, September 10, 2026

Mid-Morning
Thornton Weather - 2026-09-10 - Morning - Overcast
71°F 22°C
Overcast
Mid-Afternoon
Thornton Weather - 2026-09-10 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Thornton Weather - 2026-09-10 - Evening - Overcast
69°F 20°C
Overcast
Comfortable with temperatures reaching 75°F 24°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the NE to the NNE at 11 mph 16 km/h.

Friday, September 11, 2026

Mid-Morning
Thornton Weather - 2026-09-11 - Morning - Sunny
67°F 19°C
Sunny
Mid-Afternoon
Thornton Weather - 2026-09-11 - Afternoon - Sunny
79°F 26°C
Sunny
Early-Evening
Thornton Weather - 2026-09-11 - Evening - Sunny
75°F 24°C
Sunny
Enjoyable around 79°F 26°C, sunny throughout the day, with increasing humidity and barometric pressure falling.

Saturday, September 12, 2026

Mid-Morning
Thornton Weather - 2026-09-12 - Morning - Overcast
71°F 22°C
Overcast
Mid-Afternoon
Thornton Weather - 2026-09-12 - Afternoon - Light Showers
78°F 25°C
Light Showers
Early-Evening
Thornton Weather - 2026-09-12 - Evening - Light Showers
72°F 22°C
Light Showers
Mild temperatures up to 78°F 25°C, drier morning followed by showers lasting through evening, with increasing humidity and steady pressure. Winds switching from the SW to the N at 4 mph 6 km/h.

Sunday, September 13, 2026

Mid-Morning
Thornton Weather - 2026-09-13 - Morning - Overcast
72°F 22°C
Overcast
Mid-Afternoon
Thornton Weather - 2026-09-13 - Afternoon - Scattered Showers
81°F 27°C
Scattered Showers
Early-Evening
Thornton Weather - 2026-09-13 - Evening - Overcast
74°F 23°C
Overcast
Very warm with a high of 81°F 27°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the S to the ENE at 8 mph 13 km/h.

Monday, September 14, 2026

Mid-Morning
Thornton Weather - 2026-09-14 - Morning - Light Fog
70°F 21°C
Light Fog
Mid-Afternoon
Thornton Weather - 2026-09-14 - Afternoon - Light Showers
75°F 24°C
Light Showers
Early-Evening
Thornton Weather - 2026-09-14 - Evening - Overcast
75°F 24°C
Overcast
Pleasant near 75°F 24°C, dry early, with showers developing in the afternoon, with steady humidity and steady pressure. Winds swinging from the SW to the SE at 4 mph 7 km/h.

Tuesday, September 15, 2026

Mid-Morning
Thornton Weather - 2026-09-15 - Morning - Scattered Showers
71°F 22°C
Scattered Showers
Mid-Afternoon
Thornton Weather - 2026-09-15 - Afternoon - Scattered Showers
71°F 22°C
Scattered Showers
Early-Evening
Thornton Weather - 2026-09-15 - Evening - Sunny
67°F 19°C
Sunny
Comfortable with temperatures reaching 71°F 22°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds shifting from the W to the NNW at 9 mph 15 km/h.

Wednesday, September 16, 2026

Mid-Morning
Thornton Weather - 2026-09-16 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Thornton Weather - 2026-09-16 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Thornton Weather - 2026-09-16 - Evening - Overcast
66°F 19°C
Overcast
Enjoyable around 71°F 22°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSE to the ESE at 7 mph 11 km/h.

Thursday, September 17, 2026

Mid-Morning
Thornton Weather - 2026-09-17 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Thornton Weather - 2026-09-17 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Thornton Weather - 2026-09-17 - Evening - Sunny
78°F 26°C
Sunny
Warm temperatures up to 81°F 27°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the SSE to the S at 11 mph 18 km/h. Gusts up to 28 mph 44 km/h.

Friday, September 18, 2026

Mid-Morning
Thornton Weather - 2026-09-18 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Thornton Weather - 2026-09-18 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
Thornton Weather - 2026-09-18 - Evening - Scattered Showers
72°F 22°C
Scattered Showers
Warm and summery around 86°F 30°C (feels like 90°F 32°C), periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds moving from the SW to the NE at 13 mph 21 km/h. Gusts up to 21 mph 34 km/h.

Saturday, September 19, 2026

Mid-Morning
Thornton Weather - 2026-09-19 - Morning - Light Showers
62°F 17°C
Light Showers
Mid-Afternoon
Thornton Weather - 2026-09-19 - Afternoon - Light Showers
61°F 16°C
Light Showers
Early-Evening
Thornton Weather - 2026-09-19 - Evening - Light Showers
60°F 16°C
Light Showers
Comfortable at 61°F 16°C, persistent showers off and on through the day, with steady humidity and steady pressure. Winds swinging from the NE to the E at 11 mph 18 km/h. Gusts up to 21 mph 34 km/h.

Sunday, September 20, 2026

Mid-Morning
Thornton Weather - 2026-09-20 - Morning - Light Showers
60°F 16°C
Light Showers
Mid-Afternoon
Thornton Weather - 2026-09-20 - Afternoon - Light Showers
77°F 25°C
Light Showers
Early-Evening
Thornton Weather - 2026-09-20 - Evening - Overcast
77°F 26°C
Overcast
Comfortable with temperatures reaching 77°F 25°C, showers through the afternoon, tapering off by evening, with lower humidity and barometric pressure falling. Winds shifting from the ESE to the SE at 12 mph 18 km/h. Gusts up to 27 mph 43 km/h.

Monday, September 21, 2026

Mid-Morning
Thornton Weather - 2026-09-21 - Morning - Sunny
76°F 24°C
Sunny
Mid-Afternoon
Thornton Weather - 2026-09-21 - Afternoon - Overcast
72°F 22°C
Overcast
Early-Evening
Thornton Weather - 2026-09-21 - Evening - Overcast
66°F 19°C
Overcast
Enjoyable around 72°F 22°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure rising. Winds turning from the W to the NW at 8 mph 12 km/h.

Tuesday, September 22, 2026

Mid-Morning
Thornton Weather - 2026-09-22 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Thornton Weather - 2026-09-22 - Afternoon - Overcast
64°F 18°C
Overcast
Early-Evening
Thornton Weather - 2026-09-22 - Evening - Overcast
60°F 16°C
Overcast
Mildly cool near 64°F 18°C, overcast throughout the day, with steady humidity and steady pressure.

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Weather by the Numbers

Wed, 9th
Thornton IL Weather - Wednesday, Sep 9, 2026 - Light Rain Shower
Hi: 75°F 24°C
Lo: 71°F 22°C
Sunrise 06:25 AM
Sunset 07:10 PM
Wind WSW 5 mph9 km/h
Dew Point 66°F19°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 59% *
Humidity 84%
Thu, 10th
Thornton IL Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 76°F 25°C
Lo: 66°F 19°C
Sunrise 06:26 AM
Sunset 07:09 PM
Wind NE 9 mph15 km/h
Dew Point 58°F14°C
uv Index 3
Barometric Pressure 29.97 in1015 mb
POP 13% *
Humidity 55%
Fri, 11th
Thornton IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 80°F 26°C
Lo: 61°F 16°C
Sunrise 06:27 AM
Sunset 07:07 PM
Wind SSE 5 mph9 km/h
Dew Point 55°F13°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 47%
Sat, 12th
Thornton IL Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 81°F 27°C
Lo: 67°F 19°C
Sunrise 06:28 AM
Sunset 07:05 PM
Wind SSW 9 mph14 km/h
Dew Point 63°F17°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 13% *
Humidity 55%
Sun, 13th
Thornton IL Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 81°F 27°C
Lo: 68°F 20°C
Sunrise 06:29 AM
Sunset 07:03 PM
Wind SSW 9 mph14 km/h
Dew Point 64°F18°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 13% *
Humidity 57%
Mon, 14th
Thornton IL Weather - Monday, Sep 14, 2026 - Moderate Or Heavy Rain Shower
Hi: 78°F 25°C
Lo: 70°F 21°C
Sunrise 06:30 AM
Sunset 07:02 PM
Wind SSW 11 mph17 km/h
Dew Point 68°F20°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 79% *
Humidity 94%
Tue, 15th
Thornton IL Weather - Tuesday, Sep 15, 2026 - Patchy Rain Nearby
Hi: 72°F 22°C
Lo: 63°F 17°C
Sunrise 06:31 AM
Sunset 07:00 PM
Wind WNW 13 mph20 km/h
Dew Point 63°F17°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 20% *
Humidity 77%
Wed, 16th
Thornton IL Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 71°F 22°C
Lo: 58°F 14°C
Sunrise 06:32 AM
Sunset 06:58 PM
Wind NE 8 mph13 km/h
Dew Point 50°F10°C
uv Index 6
Barometric Pressure 30.33 in1027 mb
POP 2% *
Humidity 51%
Thu, 17th
Thornton IL Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 82°F 28°C
Lo: 61°F 16°C
Sunrise 06:33 AM
Sunset 06:56 PM
Wind S 12 mph20 km/h
Dew Point 56°F13°C
uv Index 6
Barometric Pressure 30.24 in1024 mb
POP 2% *
Humidity 51%
Fri, 18th
Thornton IL Weather - Friday, Sep 18, 2026 - Sunny
Hi: 90°F 32°C
Lo: 67°F 19°C
Sunrise 06:34 AM
Sunset 06:55 PM
Wind W 12 mph19 km/h
Dew Point 67°F19°C
uv Index 8
Barometric Pressure 30.06 in1018 mb
POP 7% *
Humidity 52%
Sat, 19th
Thornton IL Weather - Saturday, Sep 19, 2026 - Light Rain Shower
Hi: 66°F 19°C
Lo: 58°F 15°C
Sunrise 06:35 AM
Sunset 06:53 PM
Wind E 11 mph17 km/h
Dew Point 59°F15°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 65% *
Humidity 95%
Sun, 20th
Thornton IL Weather - Sunday, Sep 20, 2026 - Light Rain Shower
Hi: 80°F 26°C
Lo: 56°F 14°C
Sunrise 06:36 AM
Sunset 06:51 PM
Wind SE 10 mph16 km/h
Dew Point 63°F17°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 60% *
Humidity 81%
Mon, 21st
Thornton IL Weather - Monday, Sep 21, 2026 - Overcast
Hi: 77°F 25°C
Lo: 62°F 17°C
Sunrise 06:37 AM
Sunset 06:49 PM
Wind WNW 15 mph24 km/h
Dew Point 64°F18°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 16% *
Humidity 66%
Tue, 22nd
Thornton IL Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 66°F 19°C
Lo: 58°F 14°C
Sunrise 06:38 AM
Sunset 06:48 PM
Wind NNE 7 mph12 km/h
Dew Point 45°F7°C
uv Index 4
Barometric Pressure 30.33 in1027 mb
POP 12% *
Humidity 51%
* POP = Probability of Precipitation. Data for 12:00 PM.