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Monticello IL Weather - Clear - 52°F
Clear
52°F
Updated 2:03 pm
Feels Like 51°F
Humidity 53%
Wind N/A N/A mph
Barometer  30.54 in
Dew Point 35°F
Monticello IL Weather - Clear - 11°C
Clear
11°C
Updated 2:03 pm
Feels Like 11°C
Humidity 53%
Wind N/A 0 km/h
Barometer  103.4 kPa
Dew Point 2°C
Monticello, IL Weather and Current Conditionsmonticello il weather forecast

Monticello, IL Weather Forecast

Monticello Illinois WeatherMonticello, Illinois Weather Weather Forecast
Here is the API 14 day weather forecast for Monticello, Illinois. Note: The 7-day weather forecast for Monticello, 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.
Monticello, IL Weather Forecast Dated: 203 PM Sat Oct 17 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and a stable pattern will dominate.

Saturday, October 17, 2026

Mid-Morning
Monticello Weather - 2026-10-17 - Morning - Sunny
44°F 7°C
Sunny
Mid-Afternoon
Monticello Weather - 2026-10-17 - Afternoon - Sunny
57°F 14°C
Sunny
Early-Evening
Monticello Weather - 2026-10-17 - Evening - Sunny
51°F 10°C
Sunny
Brisk around 57°F 14°C, sunny throughout the day, with lower humidity and steady pressure.

Sunday, October 18, 2026

Mid-Morning
Monticello Weather - 2026-10-18 - Morning - Sunny
48°F 9°C
Sunny
Mid-Afternoon
Monticello Weather - 2026-10-18 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Monticello Weather - 2026-10-18 - Evening - Sunny
55°F 13°C
Sunny
Mildly cool near 65°F 18°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds out of the S at 11 mph 17 km/h.

Monday, October 19, 2026

Mid-Morning
Monticello Weather - 2026-10-19 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Monticello Weather - 2026-10-19 - Afternoon - Overcast
69°F 20°C
Overcast
Early-Evening
Monticello Weather - 2026-10-19 - Evening - Sunny
59°F 15°C
Sunny
Enjoyable around 69°F 20°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and steady pressure.

Tuesday, October 20, 2026

Mid-Morning
Monticello Weather - 2026-10-20 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Monticello Weather - 2026-10-20 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Monticello Weather - 2026-10-20 - Evening - Cloudy
60°F 16°C
Cloudy
Mild temperatures up to 70°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.

Wednesday, October 21, 2026

Mid-Morning
Monticello Weather - 2026-10-21 - Morning - Cloudy
56°F 13°C
Cloudy
Mid-Afternoon
Monticello Weather - 2026-10-21 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Monticello Weather - 2026-10-21 - Evening - Sunny
61°F 16°C
Sunny
Mild with a high of 69°F 21°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.

Thursday, October 22, 2026

Mid-Morning
Monticello Weather - 2026-10-22 - Morning - Partly Cloudy
61°F 16°C
Partly Cloudy
Mid-Afternoon
Monticello Weather - 2026-10-22 - Afternoon - Overcast
66°F 19°C
Overcast
Early-Evening
Monticello Weather - 2026-10-22 - Evening - Overcast
62°F 16°C
Overcast
Mildly cool near 66°F 19°C, cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.

Friday, October 23, 2026

Mid-Morning
Monticello Weather - 2026-10-23 - Morning - Sunny
60°F 15°C
Sunny
Mid-Afternoon
Monticello Weather - 2026-10-23 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
Monticello Weather - 2026-10-23 - Evening - Sunny
65°F 19°C
Sunny
Comfortable with temperatures reaching 74°F 23°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the SSE at 7 mph 12 km/h.

Saturday, October 24, 2026

Mid-Morning
Monticello Weather - 2026-10-24 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Monticello Weather - 2026-10-24 - Afternoon - Overcast
71°F 22°C
Overcast
Early-Evening
Monticello Weather - 2026-10-24 - Evening - Overcast
65°F 18°C
Overcast
Enjoyable around 71°F 22°C, overcast throughout the day, with steady humidity and steady pressure. Winds SSE at 12 mph 19 km/h. Gusts up to 23 mph 37 km/h.

Sunday, October 25, 2026

Mid-Morning
Monticello Weather - 2026-10-25 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Monticello Weather - 2026-10-25 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Monticello Weather - 2026-10-25 - Evening - Scattered Showers
62°F 17°C
Scattered Showers
Mild temperatures up to 73°F 23°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds swinging from the SSW to the NW at 7 mph 12 km/h.

Monday, October 26, 2026

Mid-Morning
Monticello Weather - 2026-10-26 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Monticello Weather - 2026-10-26 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Monticello Weather - 2026-10-26 - Evening - Clear
63°F 17°C
Clear
Mild with a high of 69°F 21°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.

Tuesday, October 27, 2026

Mid-Morning
Monticello Weather - 2026-10-27 - Morning - Overcast
67°F 19°C
Overcast
Mid-Afternoon
Monticello Weather - 2026-10-27 - Afternoon - Overcast
78°F 26°C
Overcast
Early-Evening
Monticello Weather - 2026-10-27 - Evening - Overcast
71°F 22°C
Overcast
Pleasant near 78°F 26°C, overcast throughout the day, with lower humidity and steady pressure. Winds shifting from the S to the SSW at 15 mph 23 km/h. Gusts up to 29 mph 47 km/h.

Wednesday, October 28, 2026

Mid-Morning
Monticello Weather - 2026-10-28 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Monticello Weather - 2026-10-28 - Afternoon - Overcast
67°F 20°C
Overcast
Early-Evening
Monticello Weather - 2026-10-28 - Evening - Scattered Showers
63°F 17°C
Scattered Showers
Cool with a high near 67°F 20°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds turning from the S to the SSW at 19 mph 30 km/h. Gusts up to 36 mph 58 km/h.

Thursday, October 29, 2026

Mid-Morning
Monticello Weather - 2026-10-29 - Morning - Overcast
56°F 14°C
Overcast
Mid-Afternoon
Monticello Weather - 2026-10-29 - Afternoon - Overcast
64°F 18°C
Overcast
Early-Evening
Monticello Weather - 2026-10-29 - Evening - Overcast
60°F 16°C
Overcast
Refreshing around 64°F 18°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the SE to the ESE at 8 mph 14 km/h.

Friday, October 30, 2026

Mid-Morning
Monticello Weather - 2026-10-30 - Morning - Light Showers
64°F 18°C
Light Showers
Mid-Afternoon
Monticello Weather - 2026-10-30 - Afternoon - Light Showers
74°F 23°C
Light Showers
Early-Evening
Monticello Weather - 2026-10-30 - Evening - Partly Cloudy
72°F 23°C
Partly Cloudy
Mild temperatures up to 74°F 23°C, showers lingering into the afternoon before clearing, with lower humidity and barometric pressure falling. Winds blowing from the SSW at 17 mph 28 km/h. Gusts up to 35 mph 56 km/h.

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Weather by the Numbers

Sat, 17th
Monticello IL Weather - Saturday, Oct 17, 2026 - Sunny
Hi: 57°F 14°C
Lo: 39°F 4°C
Sunrise 07:07 AM
Sunset 06:11 PM
Wind NE 4 mph7 km/h
Dew Point 33°F1°C
uv Index 4
Barometric Pressure 30.53 in1034 mb
POP 2% *
Humidity 46%
Sun, 18th
Monticello IL Weather - Sunday, Oct 18, 2026 - Sunny
Hi: 65°F 18°C
Lo: 41°F 5°C
Sunrise 07:08 AM
Sunset 06:10 PM
Wind S 11 mph18 km/h
Dew Point 27°F-3°C
uv Index 4
Barometric Pressure 30.47 in1032 mb
POP 0% *
Humidity 28%
Mon, 19th
Monticello IL Weather - Monday, Oct 19, 2026 - Sunny
Hi: 69°F 20°C
Lo: 46°F 8°C
Sunrise 07:09 AM
Sunset 06:09 PM
Wind S 5 mph9 km/h
Dew Point 33°F0°C
uv Index 4
Barometric Pressure 30.39 in1029 mb
POP 1% *
Humidity 30%
Tue, 20th
Monticello IL Weather - Tuesday, Oct 20, 2026 - Partly Cloudy
Hi: 70°F 21°C
Lo: 49°F 9°C
Sunrise 07:10 AM
Sunset 06:07 PM
Wind ESE 5 mph8 km/h
Dew Point 35°F2°C
uv Index 4
Barometric Pressure 30.36 in1028 mb
POP 4% *
Humidity 31%
Wed, 21st
Monticello IL Weather - Wednesday, Oct 21, 2026 - Cloudy
Hi: 70°F 21°C
Lo: 50°F 10°C
Sunrise 07:11 AM
Sunset 06:06 PM
Wind S 5 mph8 km/h
Dew Point 38°F3°C
uv Index 4
Barometric Pressure 30.3 in1026 mb
POP 8% *
Humidity 37%
Thu, 22nd
Monticello IL Weather - Thursday, Oct 22, 2026 - Cloudy
Hi: 67°F 20°C
Lo: 54°F 12°C
Sunrise 07:13 AM
Sunset 06:04 PM
Wind SSW 3 mph4 km/h
Dew Point 40°F4°C
uv Index 4
Barometric Pressure 30.21 in1023 mb
POP 8% *
Humidity 38%
Fri, 23rd
Monticello IL Weather - Friday, Oct 23, 2026 - Sunny
Hi: 75°F 24°C
Lo: 53°F 12°C
Sunrise 07:14 AM
Sunset 06:03 PM
Wind SSE 8 mph13 km/h
Dew Point 41°F5°C
uv Index 6
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 36%
Sat, 24th
Monticello IL Weather - Saturday, Oct 24, 2026 - Overcast
Hi: 72°F 22°C
Lo: 53°F 12°C
Sunrise 07:15 AM
Sunset 06:02 PM
Wind SSE 13 mph21 km/h
Dew Point 38°F3°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 10% *
Humidity 34%
Sun, 25th
Monticello IL Weather - Sunday, Oct 25, 2026 - Overcast
Hi: 76°F 25°C
Lo: 57°F 14°C
Sunrise 07:16 AM
Sunset 06:00 PM
Wind SW 14 mph22 km/h
Dew Point 47°F9°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 9% *
Humidity 40%
Mon, 26th
Monticello IL Weather - Monday, Oct 26, 2026 - Sunny
Hi: 70°F 21°C
Lo: 50°F 10°C
Sunrise 07:17 AM
Sunset 05:59 PM
Wind NNE 3 mph5 km/h
Dew Point 43°F6°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 45%
Tue, 27th
Monticello IL Weather - Tuesday, Oct 27, 2026 - Overcast
Hi: 78°F 26°C
Lo: 59°F 15°C
Sunrise 07:18 AM
Sunset 05:58 PM
Wind SSW 17 mph28 km/h
Dew Point 47°F8°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 10% *
Humidity 37%
Wed, 28th
Monticello IL Weather - Wednesday, Oct 28, 2026 - Overcast
Hi: 74°F 23°C
Lo: 63°F 17°C
Sunrise 07:19 AM
Sunset 05:57 PM
Wind SSW 17 mph27 km/h
Dew Point 47°F8°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 10% *
Humidity 41%
Thu, 29th
Monticello IL Weather - Thursday, Oct 29, 2026 - Overcast
Hi: 64°F 18°C
Lo: 53°F 12°C
Sunrise 07:20 AM
Sunset 05:55 PM
Wind NE 8 mph12 km/h
Dew Point 35°F2°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 10% *
Humidity 38%
Fri, 30th
Monticello IL Weather - Friday, Oct 30, 2026 - Light Rain Shower
Hi: 76°F 25°C
Lo: 60°F 15°C
Sunrise 07:22 AM
Sunset 05:54 PM
Wind SSW 16 mph26 km/h
Dew Point 62°F17°C
uv Index 5
Barometric Pressure 29.83 in1010 mb
POP 50% *
Humidity 81%
* POP = Probability of Precipitation. Data for 12:00 PM.