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Arnold IL Weather - Clear - 75°F
Clear
75°F
Updated 5:15 pm
Feels Like 71°F
Humidity 37%
Wind N 0 mph
Barometer  30.21 in
Dew Point 47°F
Arnold IL Weather - Clear - 24°C
Clear
24°C
Updated 5:15 pm
Feels Like 22°C
Humidity 37%
Wind N 0 km/h
Barometer  102.3 kPa
Dew Point 8°C
Arnold, IL Weather and Current Conditionsarnold il weather forecast

Arnold, IL Weather Forecast

Arnold Illinois WeatherArnold, Illinois Weather Weather Forecast
14 day API Arnold, IL weather forecast. Note. Our 7-day weather forecast for Arnold, Illinois is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Arnold, IL Weather Forecast Dated: 515 PM Thu Oct 22 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and a stable pattern will dominate.

Thursday, October 22, 2026

Mid-Morning
Arnold Weather - 2026-10-22 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Arnold Weather - 2026-10-22 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Arnold Weather - 2026-10-22 - Evening - Sunny
66°F 19°C
Sunny
Pleasant near 77°F 25°C, sunny throughout the day, with steady humidity and steady pressure.

Friday, October 23, 2026

Mid-Morning
Arnold Weather - 2026-10-23 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Arnold Weather - 2026-10-23 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Arnold Weather - 2026-10-23 - Evening - Overcast
65°F 19°C
Overcast
Comfortable with temperatures reaching 75°F 24°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSE to the SE at 7 mph 12 km/h.

Saturday, October 24, 2026

Mid-Morning
Arnold Weather - 2026-10-24 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Arnold Weather - 2026-10-24 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Arnold Weather - 2026-10-24 - Evening - Overcast
65°F 18°C
Overcast
Enjoyable around 75°F 24°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds blowing from the S at 9 mph 14 km/h.

Sunday, October 25, 2026

Mid-Morning
Arnold Weather - 2026-10-25 - Morning - Cloudy
60°F 16°C
Cloudy
Mid-Afternoon
Arnold Weather - 2026-10-25 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
Arnold Weather - 2026-10-25 - Evening - Overcast
67°F 19°C
Overcast
Mild temperatures up to 77°F 25°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.

Monday, October 26, 2026

Mid-Morning
Arnold Weather - 2026-10-26 - Morning - Overcast
62°F 17°C
Overcast
Mid-Afternoon
Arnold Weather - 2026-10-26 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Arnold Weather - 2026-10-26 - Evening - Overcast
66°F 19°C
Overcast
Mild with a high of 76°F 24°C, overcast throughout the day, with steady humidity and steady pressure.

Tuesday, October 27, 2026

Mid-Morning
Arnold Weather - 2026-10-27 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Arnold Weather - 2026-10-27 - Afternoon - Overcast
69°F 20°C
Overcast
Early-Evening
Arnold Weather - 2026-10-27 - Evening - Overcast
63°F 17°C
Overcast
Pleasant near 69°F 20°C, overcast throughout the day, with steady humidity and steady pressure.

Wednesday, October 28, 2026

Mid-Morning
Arnold Weather - 2026-10-28 - Morning - Sunny
56°F 14°C
Sunny
Mid-Afternoon
Arnold Weather - 2026-10-28 - Afternoon - Sunny
67°F 20°C
Sunny
Early-Evening
Arnold Weather - 2026-10-28 - Evening - Sunny
62°F 16°C
Sunny
Comfortable at 67°F 20°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.

Thursday, October 29, 2026

Mid-Morning
Arnold Weather - 2026-10-29 - Morning - Cloudy
55°F 13°C
Cloudy
Mid-Afternoon
Arnold Weather - 2026-10-29 - Afternoon - Partly Cloudy
60°F 15°C
Partly Cloudy
Early-Evening
Arnold Weather - 2026-10-29 - Evening - Partly Cloudy
54°F 12°C
Partly Cloudy
Cool with a high near 60°F 15°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the WNW to the NNW at 5 mph 8 km/h. Gusts up to 20 mph 32 km/h.

Friday, October 30, 2026

Mid-Morning
Arnold Weather - 2026-10-30 - Morning - Partly Cloudy
47°F 9°C
Partly Cloudy
Mid-Afternoon
Arnold Weather - 2026-10-30 - Afternoon - Partly Cloudy
53°F 12°C
Partly Cloudy
Early-Evening
Arnold Weather - 2026-10-30 - Evening - Scattered Showers
48°F 9°C
Scattered Showers
Brisk around 53°F 12°C, locally heavy downpours at times, with steady humidity and steady pressure.

Saturday, October 31, 2026

Mid-Morning
Arnold Weather - 2026-10-31 - Morning - Scattered Showers
47°F 8°C
Scattered Showers
Mid-Afternoon
Arnold Weather - 2026-10-31 - Afternoon - Overcast
54°F 12°C
Overcast
Early-Evening
Arnold Weather - 2026-10-31 - Evening - Cloudy
53°F 12°C
Cloudy
Cool and brisk at 54°F 12°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.

Sunday, November 1, 2026

Mid-Morning
Arnold Weather - 2026-11-01 - Morning - Scattered Showers
51°F 11°C
Scattered Showers
Mid-Afternoon
Arnold Weather - 2026-11-01 - Afternoon - Scattered Showers
53°F 12°C
Scattered Showers
Early-Evening
Arnold Weather - 2026-11-01 - Evening - Partly Cloudy
51°F 10°C
Partly Cloudy
Chilly near 53°F 12°C, scattered downpours possible, with steady humidity and steady pressure.

Monday, November 2, 2026

Mid-Morning
Arnold Weather - 2026-11-02 - Morning - Sunny
46°F 8°C
Sunny
Mid-Afternoon
Arnold Weather - 2026-11-02 - Afternoon - Sunny
51°F 11°C
Sunny
Early-Evening
Arnold Weather - 2026-11-02 - Evening - Clear
44°F 7°C
Clear
Crisp with a high near 51°F 11°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds out of the N at 9 mph 15 km/h.

Tuesday, November 3, 2026

Mid-Morning
Arnold Weather - 2026-11-03 - Morning - Partly Cloudy
43°F 6°C
Partly Cloudy
Mid-Afternoon
Arnold Weather - 2026-11-03 - Afternoon - Partly Cloudy
50°F 10°C
Partly Cloudy
Early-Evening
Arnold Weather - 2026-11-03 - Evening - Partly Cloudy
45°F 8°C
Partly Cloudy
Brisk around 50°F 10°C, partly cloudy throughout the day, with steady humidity and steady pressure.

Wednesday, November 4, 2026

Mid-Morning
Arnold Weather - 2026-11-04 - Morning - Overcast
50°F 10°C
Overcast
Mid-Afternoon
Arnold Weather - 2026-11-04 - Afternoon - Overcast
54°F 12°C
Overcast
Early-Evening
Arnold Weather - 2026-11-04 - Evening - Overcast
50°F 10°C
Overcast
Cool and brisk at 54°F 12°C, overcast throughout the day, with steady humidity and steady pressure.

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Weather by the Numbers

Thu, 22nd
Arnold IL Weather - Thursday, Oct 22, 2026 - Sunny
Hi: 77°F 25°C
Lo: 52°F 11°C
Sunrise 07:19 AM
Sunset 06:11 PM
Wind ESE 3 mph5 km/h
Dew Point 39°F4°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 0% *
Humidity 29%
Fri, 23rd
Arnold IL Weather - Friday, Oct 23, 2026 - Sunny
Hi: 75°F 24°C
Lo: 53°F 12°C
Sunrise 07:20 AM
Sunset 06:10 PM
Wind SSE 9 mph14 km/h
Dew Point 44°F7°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 1% *
Humidity 37%
Sat, 24th
Arnold IL Weather - Saturday, Oct 24, 2026 - Partly Cloudy
Hi: 75°F 24°C
Lo: 52°F 11°C
Sunrise 07:21 AM
Sunset 06:09 PM
Wind SSE 10 mph16 km/h
Dew Point 40°F5°C
uv Index 4
Barometric Pressure 30.33 in1027 mb
POP 2% *
Humidity 32%
Sun, 25th
Arnold IL Weather - Sunday, Oct 25, 2026 - Cloudy
Hi: 77°F 25°C
Lo: 53°F 12°C
Sunrise 07:22 AM
Sunset 06:07 PM
Wind S 7 mph11 km/h
Dew Point 39°F4°C
uv Index 4
Barometric Pressure 30.36 in1028 mb
POP 7% *
Humidity 28%
Mon, 26th
Arnold IL Weather - Monday, Oct 26, 2026 - Cloudy
Hi: 76°F 24°C
Lo: 55°F 13°C
Sunrise 07:23 AM
Sunset 06:06 PM
Wind SSW 6 mph9 km/h
Dew Point 44°F7°C
uv Index 3
Barometric Pressure 30.3 in1026 mb
POP 7% *
Humidity 37%
Tue, 27th
Arnold IL Weather - Tuesday, Oct 27, 2026 - Cloudy
Hi: 69°F 21°C
Lo: 56°F 13°C
Sunrise 07:24 AM
Sunset 06:05 PM
Wind SSE 4 mph7 km/h
Dew Point 48°F9°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 11% *
Humidity 50%
Wed, 28th
Arnold IL Weather - Wednesday, Oct 28, 2026 - Sunny
Hi: 68°F 20°C
Lo: 51°F 11°C
Sunrise 07:25 AM
Sunset 06:04 PM
Wind SW 6 mph10 km/h
Dew Point 47°F8°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 3% *
Humidity 52%
Thu, 29th
Arnold IL Weather - Thursday, Oct 29, 2026 - Partly Cloudy
Hi: 61°F 16°C
Lo: 50°F 10°C
Sunrise 07:27 AM
Sunset 06:02 PM
Wind WNW 8 mph13 km/h
Dew Point 40°F4°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 5% *
Humidity 48%
Fri, 30th
Arnold IL Weather - Friday, Oct 30, 2026 - Patchy Rain Nearby
Hi: 56°F 13°C
Lo: 44°F 7°C
Sunrise 07:28 AM
Sunset 06:01 PM
Wind WSW 6 mph10 km/h
Dew Point 40°F4°C
uv Index 3
Barometric Pressure 30.18 in1022 mb
POP 7% *
Humidity 59%
Sat, 31st
Arnold IL Weather - Saturday, Oct 31, 2026 - Overcast
Hi: 54°F 12°C
Lo: 43°F 6°C
Sunrise 07:29 AM
Sunset 06:00 PM
Wind SE 6 mph10 km/h
Dew Point 38°F3°C
uv Index 3
Barometric Pressure 30.12 in1020 mb
POP 13% *
Humidity 58%
Sun, 1st
Arnold IL Weather - Sunday, Nov 1, 2026 - Light Drizzle
Hi: 53°F 12°C
Lo: 46°F 8°C
Sunrise 07:30 AM
Sunset 05:59 PM
Wind NNW 2 mph4 km/h
Dew Point 49°F9°C
uv Index 3
Barometric Pressure 30.06 in1018 mb
POP 66% *
Humidity 85%
Mon, 2nd
Arnold IL Weather - Monday, Nov 2, 2026 - Sunny
Hi: 53°F 12°C
Lo: 40°F 4°C
Sunrise 06:31 AM
Sunset 04:58 PM
Wind N 11 mph18 km/h
Dew Point 30°F-1°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 2% *
Humidity 41%
Tue, 3rd
Arnold IL Weather - Tuesday, Nov 3, 2026 - Partly Cloudy
Hi: 51°F 11°C
Lo: 35°F 2°C
Sunrise 06:32 AM
Sunset 04:57 PM
Wind SW 2 mph3 km/h
Dew Point 30°F-1°C
uv Index 4
Barometric Pressure 30.42 in1030 mb
POP 3% *
Humidity 43%
Wed, 4th
Arnold IL Weather - Wednesday, Nov 4, 2026 - Overcast
Hi: 56°F 13°C
Lo: 42°F 6°C
Sunrise 06:33 AM
Sunset 04:55 PM
Wind SW 3 mph5 km/h
Dew Point 36°F2°C
uv Index 3
Barometric Pressure 30.39 in1029 mb
POP 11% *
Humidity 47%
* POP = Probability of Precipitation. Data for 12:00 PM.