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Chillicothe IL Weather - Clear - 75°F
Clear
75°F
Updated 12:00 pm
Feels Like 78°F
Humidity 59%
Wind SE 8 mph
Barometer  30.02 in
Dew Point 60°F
Chillicothe IL Weather - Clear - 24°C
Clear
24°C
Updated 12:00 pm
Feels Like 26°C
Humidity 59%
Wind SE 13 km/h
Barometer  101.7 kPa
Dew Point 16°C
Chillicothe, IL Weather and Current Conditionschillicothe il weather forecast

Chillicothe, IL Weather Forecast

Chillicothe Illinois WeatherChillicothe, Illinois Weather Weather Forecast
14 day API weather forecast for Chillicothe, Illinois. Note: The 7-day weather forecast for Chillicothe, 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.
Chillicothe, IL Weather Forecast Dated: 1200 PM Fri Sep 11 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.

Friday, September 11, 2026

Mid-Morning
Chillicothe Weather - 2026-09-11 - Morning - Partly Cloudy
67°F 20°C
Partly Cloudy
Mid-Afternoon
Chillicothe Weather - 2026-09-11 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Chillicothe Weather - 2026-09-11 - Evening - Sunny
77°F 25°C
Sunny
Warm and summery around 84°F 29°C (feels like 89°F 31°C), cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds out of the SSE at 8 mph 12 km/h.

Saturday, September 12, 2026

Mid-Morning
Chillicothe Weather - 2026-09-12 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Chillicothe Weather - 2026-09-12 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Chillicothe Weather - 2026-09-12 - Evening - Sunny
79°F 26°C
Sunny
Balmy with temperatures reaching 84°F 29°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the SSW to the SE at 4 mph 6 km/h.

Sunday, September 13, 2026

Mid-Morning
Chillicothe Weather - 2026-09-13 - Morning - Light Showers
69°F 20°C
Light Showers
Mid-Afternoon
Chillicothe Weather - 2026-09-13 - Afternoon - Scattered Showers
69°F 21°C
Scattered Showers
Early-Evening
Chillicothe Weather - 2026-09-13 - Evening - Scattered Showers
68°F 20°C
Scattered Showers
Enjoyable around 69°F 21°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the NNE to the ENE at 10 mph 16 km/h.

Monday, September 14, 2026

Mid-Morning
Chillicothe Weather - 2026-09-14 - Morning - Light Showers
62°F 16°C
Light Showers
Mid-Afternoon
Chillicothe Weather - 2026-09-14 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Chillicothe Weather - 2026-09-14 - Evening - Sunny
83°F 28°C
Sunny
Warm and summery around 81°F 27°C (feels like 84°F 29°C), early showers breaking for a drier afternoon, with steady humidity and barometric pressure falling. Winds swinging from the ENE to the SE at 11 mph 18 km/h. Gusts up to 25 mph 41 km/h.

Tuesday, September 15, 2026

Mid-Morning
Chillicothe Weather - 2026-09-15 - Morning - Partly Cloudy
76°F 25°C
Partly Cloudy
Mid-Afternoon
Chillicothe Weather - 2026-09-15 - Afternoon - Cloudy
85°F 30°C
Cloudy
Early-Evening
Chillicothe Weather - 2026-09-15 - Evening - Overcast
78°F 26°C
Overcast
Quite warm reaching 85°F 30°C, feeling like 89°F 32°C during peak afternoon, cloudy through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds shifting from the W to the NE at 6 mph 10 km/h.

Wednesday, September 16, 2026

Mid-Morning
Chillicothe Weather - 2026-09-16 - Morning - Light Showers
73°F 23°C
Light Showers
Mid-Afternoon
Chillicothe Weather - 2026-09-16 - Afternoon - Scattered Showers
73°F 23°C
Scattered Showers
Early-Evening
Chillicothe Weather - 2026-09-16 - Evening - Light Showers
64°F 18°C
Light Showers
Pleasant near 73°F 23°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds increasing from the SE at 4 mph 7 km/h to ENE at 12 mph 19 km/h. Gusts up to 22 mph 35 km/h.

Thursday, September 17, 2026

Mid-Morning
Chillicothe Weather - 2026-09-17 - Morning - Scattered Showers
59°F 15°C
Scattered Showers
Mid-Afternoon
Chillicothe Weather - 2026-09-17 - Afternoon - Overcast
67°F 20°C
Overcast
Early-Evening
Chillicothe Weather - 2026-09-17 - Evening - Sunny
62°F 17°C
Sunny
Comfortable at 67°F 20°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds switching from the N to the ESE at 10 mph 15 km/h.

Friday, September 18, 2026

Mid-Morning
Chillicothe Weather - 2026-09-18 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Chillicothe Weather - 2026-09-18 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Chillicothe Weather - 2026-09-18 - Evening - Sunny
59°F 16°C
Sunny
Cool with a high near 66°F 19°C, sunny throughout the day, with steady humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
Chillicothe Weather - 2026-09-19 - Morning - Partly Cloudy
57°F 14°C
Partly Cloudy
Mid-Afternoon
Chillicothe Weather - 2026-09-19 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Chillicothe Weather - 2026-09-19 - Evening - Sunny
63°F 18°C
Sunny
Mild temperatures up to 70°F 21°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.

Sunday, September 20, 2026

Mid-Morning
Chillicothe Weather - 2026-09-20 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Chillicothe Weather - 2026-09-20 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Chillicothe Weather - 2026-09-20 - Evening - Sunny
66°F 19°C
Sunny
Mild with a high of 73°F 23°C, sunny throughout the day, with steady humidity and steady pressure.

Monday, September 21, 2026

Mid-Morning
Chillicothe Weather - 2026-09-21 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Chillicothe Weather - 2026-09-21 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
Chillicothe Weather - 2026-09-21 - Evening - Sunny
67°F 20°C
Sunny
Pleasant near 74°F 23°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds blowing from the ESE at 10 mph 17 km/h.

Tuesday, September 22, 2026

Mid-Morning
Chillicothe Weather - 2026-09-22 - Morning - Partly Cloudy
64°F 18°C
Partly Cloudy
Mid-Afternoon
Chillicothe Weather - 2026-09-22 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
Chillicothe Weather - 2026-09-22 - Evening - Overcast
71°F 22°C
Overcast
Comfortable with temperatures reaching 77°F 25°C, overcast throughout the day, with lower humidity and steady pressure. Winds swinging from the SSE to the WNW at 5 mph 7 km/h.

Wednesday, September 23, 2026

Mid-Morning
Chillicothe Weather - 2026-09-23 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Chillicothe Weather - 2026-09-23 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Chillicothe Weather - 2026-09-23 - Evening - Sunny
73°F 23°C
Sunny
Quite warm around 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the SSE to the E at 8 mph 12 km/h.

Thursday, September 24, 2026

Mid-Morning
Chillicothe Weather - 2026-09-24 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Chillicothe Weather - 2026-09-24 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
Chillicothe Weather - 2026-09-24 - Evening - Overcast
72°F 22°C
Overcast
Mild temperatures up to 74°F 23°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the SE to the ESE at 8 mph 14 km/h. Gusts up to 21 mph 34 km/h.

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Weather by the Numbers

Fri, 11th
Chillicothe IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 84°F 29°C
Lo: 62°F 17°C
Sunrise 06:35 AM
Sunset 07:14 PM
Wind SSE 9 mph14 km/h
Dew Point 69°F20°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 9% *
Humidity 78%
Sat, 12th
Chillicothe IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 84°F 29°C
Lo: 65°F 18°C
Sunrise 06:36 AM
Sunset 07:12 PM
Wind SW 9 mph14 km/h
Dew Point 65°F18°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 4% *
Humidity 60%
Sun, 13th
Chillicothe IL Weather - Sunday, Sep 13, 2026 - Patchy Rain Nearby
Hi: 72°F 22°C
Lo: 63°F 17°C
Sunrise 06:37 AM
Sunset 07:10 PM
Wind N 9 mph14 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 28% *
Humidity 87%
Mon, 14th
Chillicothe IL Weather - Monday, Sep 14, 2026 - Patchy Rain Nearby
Hi: 84°F 29°C
Lo: 61°F 16°C
Sunrise 06:38 AM
Sunset 07:09 PM
Wind ESE 12 mph20 km/h
Dew Point 57°F14°C
uv Index 3
Barometric Pressure 30.06 in1018 mb
POP 17% *
Humidity 69%
Tue, 15th
Chillicothe IL Weather - Tuesday, Sep 15, 2026 - Patchy Rain Nearby
Hi: 88°F 31°C
Lo: 71°F 22°C
Sunrise 06:39 AM
Sunset 07:07 PM
Wind SW 12 mph19 km/h
Dew Point 67°F20°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 18% *
Humidity 59%
Wed, 16th
Chillicothe IL Weather - Wednesday, Sep 16, 2026 - Patchy Rain Nearby
Hi: 78°F 26°C
Lo: 63°F 17°C
Sunrise 06:40 AM
Sunset 07:05 PM
Wind NNE 6 mph9 km/h
Dew Point 70°F21°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 26% *
Humidity 80%
Thu, 17th
Chillicothe IL Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 68°F 20°C
Lo: 56°F 13°C
Sunrise 06:41 AM
Sunset 07:04 PM
Wind NNE 13 mph20 km/h
Dew Point 52°F11°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 17% *
Humidity 67%
Fri, 18th
Chillicothe IL Weather - Friday, Sep 18, 2026 - Sunny
Hi: 66°F 19°C
Lo: 48°F 9°C
Sunrise 06:42 AM
Sunset 07:02 PM
Wind SW 3 mph5 km/h
Dew Point 41°F5°C
uv Index 5
Barometric Pressure 30.3 in1026 mb
POP 1% *
Humidity 45%
Sat, 19th
Chillicothe IL Weather - Saturday, Sep 19, 2026 - Cloudy
Hi: 70°F 21°C
Lo: 50°F 10°C
Sunrise 06:43 AM
Sunset 07:00 PM
Wind NW 3 mph4 km/h
Dew Point 46°F8°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 3% *
Humidity 48%
Sun, 20th
Chillicothe IL Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 73°F 23°C
Lo: 53°F 12°C
Sunrise 06:44 AM
Sunset 06:58 PM
Wind SE 4 mph7 km/h
Dew Point 50°F10°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 2% *
Humidity 52%
Mon, 21st
Chillicothe IL Weather - Monday, Sep 21, 2026 - Sunny
Hi: 74°F 23°C
Lo: 56°F 14°C
Sunrise 06:45 AM
Sunset 06:57 PM
Wind ESE 9 mph14 km/h
Dew Point 53°F12°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 54%
Tue, 22nd
Chillicothe IL Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 78°F 25°C
Lo: 56°F 13°C
Sunrise 06:46 AM
Sunset 06:55 PM
Wind S 10 mph15 km/h
Dew Point 53°F12°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 12% *
Humidity 51%
Wed, 23rd
Chillicothe IL Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 82°F 28°C
Lo: 63°F 17°C
Sunrise 06:47 AM
Sunset 06:53 PM
Wind SSE 5 mph8 km/h
Dew Point 55°F13°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 2% *
Humidity 48%
Thu, 24th
Chillicothe IL Weather - Thursday, Sep 24, 2026 - Overcast
Hi: 74°F 23°C
Lo: 65°F 18°C
Sunrise 06:48 AM
Sunset 06:52 PM
Wind SE 8 mph12 km/h
Dew Point 56°F13°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 14% *
Humidity 57%
* POP = Probability of Precipitation. Data for 12:00 PM.