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Mattoon KY Weather - Clear - 67°F
Clear
67°F
Updated 6:36 am
Feels Like 62°F
Humidity 63%
Wind NE 9 mph
Barometer  30.17 in
Dew Point 54°F
Mattoon KY Weather - Clear - 19°C
Clear
19°C
Updated 6:36 am
Feels Like 17°C
Humidity 63%
Wind NE 14 km/h
Barometer  102.1 kPa
Dew Point 12°C
Mattoon, KY Weather and Current Conditionsmattoon ky weather forecast

Mattoon, KY Weather Forecast

Mattoon Kentucky WeatherMattoon, Kentucky Weather Weather Forecast
14 day API weather forecast for Mattoon, Kentucky. Note: The 7-day weather forecast for Mattoon, KY 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.
Mattoon, KY Weather Forecast Dated: 636 AM Mon Sep 14 2026
Expect a very warm period with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and a stable pattern will dominate.

Monday, September 14, 2026

Mid-Morning
Mattoon Weather - 2026-09-14 - Morning - Partly Cloudy
66°F 19°C
Partly Cloudy
Mid-Afternoon
Mattoon Weather - 2026-09-14 - Afternoon - Sunny
85°F 29°C
Sunny
Early-Evening
Mattoon Weather - 2026-09-14 - Evening - Partly Cloudy
79°F 26°C
Partly Cloudy
Warm and summery near 85°F 29°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the ENE to the ESE at 7 mph 12 km/h.

Tuesday, September 15, 2026

Mid-Morning
Mattoon Weather - 2026-09-15 - Morning - Sunny
81°F 27°C
Sunny
Mid-Afternoon
Mattoon Weather - 2026-09-15 - Afternoon - Sunny
98°F 36°C
Sunny
Early-Evening
Mattoon Weather - 2026-09-15 - Evening - Sunny
90°F 32°C
Sunny
Hot and sweltering around 98°F 36°C (heat index 101°F 38°C), sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the S to the SSW at 4 mph 7 km/h.

Wednesday, September 16, 2026

Mid-Morning
Mattoon Weather - 2026-09-16 - Morning - Sunny
82°F 28°C
Sunny
Mid-Afternoon
Mattoon Weather - 2026-09-16 - Afternoon - Sunny
98°F 37°C
Sunny
Early-Evening
Mattoon Weather - 2026-09-16 - Evening - Sunny
91°F 33°C
Sunny
Sizzling hot with 98°F 37°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the SSW to the SSE at 6 mph 9 km/h.

Thursday, September 17, 2026

Mid-Morning
Mattoon Weather - 2026-09-17 - Morning - Overcast
78°F 25°C
Overcast
Mid-Afternoon
Mattoon Weather - 2026-09-17 - Afternoon - Sunny
91°F 33°C
Sunny
Early-Evening
Mattoon Weather - 2026-09-17 - Evening - Partly Cloudy
85°F 30°C
Partly Cloudy
Sizzling hot near 91°F 33°C with a heat index reaching 96°F 36°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds swinging from the N to the NE at 7 mph 11 km/h.

Friday, September 18, 2026

Mid-Morning
Mattoon Weather - 2026-09-18 - Morning - Partly Cloudy
77°F 25°C
Partly Cloudy
Mid-Afternoon
Mattoon Weather - 2026-09-18 - Afternoon - Sunny
85°F 29°C
Sunny
Early-Evening
Mattoon Weather - 2026-09-18 - Evening - Sunny
79°F 27°C
Sunny
Very warm with a high of 85°F 29°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the ENE to the NE at 6 mph 10 km/h.

Saturday, September 19, 2026

Mid-Morning
Mattoon Weather - 2026-09-19 - Morning - Sunny
76°F 24°C
Sunny
Mid-Afternoon
Mattoon Weather - 2026-09-19 - Afternoon - Sunny
92°F 33°C
Sunny
Early-Evening
Mattoon Weather - 2026-09-19 - Evening - Sunny
83°F 28°C
Sunny
Very hot with temperatures reaching 92°F 33°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling.

Sunday, September 20, 2026

Mid-Morning
Mattoon Weather - 2026-09-20 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Mattoon Weather - 2026-09-20 - Afternoon - Light Showers
73°F 23°C
Light Showers
Early-Evening
Mattoon Weather - 2026-09-20 - Evening - Scattered Showers
64°F 18°C
Scattered Showers
Comfortable with temperatures reaching 73°F 23°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds increasing from the SW at 5 mph 9 km/h to NNE at 16 mph 25 km/h. Gusts up to 28 mph 46 km/h.

Monday, September 21, 2026

Mid-Morning
Mattoon Weather - 2026-09-21 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Mattoon Weather - 2026-09-21 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Mattoon Weather - 2026-09-21 - Evening - Sunny
64°F 18°C
Sunny
Enjoyable around 72°F 22°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the NNE to the NE at 9 mph 15 km/h. Gusts up to 22 mph 35 km/h.

Tuesday, September 22, 2026

Mid-Morning
Mattoon Weather - 2026-09-22 - Morning - Sunny
58°F 15°C
Sunny
Mid-Afternoon
Mattoon Weather - 2026-09-22 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Mattoon Weather - 2026-09-22 - Evening - Sunny
66°F 19°C
Sunny
Mild temperatures up to 75°F 24°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds blowing from the NNE at 9 mph 14 km/h.

Wednesday, September 23, 2026

Mid-Morning
Mattoon Weather - 2026-09-23 - Morning - Overcast
60°F 15°C
Overcast
Mid-Afternoon
Mattoon Weather - 2026-09-23 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Mattoon Weather - 2026-09-23 - Evening - Sunny
67°F 19°C
Sunny
Mild with a high of 75°F 24°C, partly cloudy throughout the day, with lower humidity and steady pressure. Winds NNE at 9 mph 14 km/h.

Thursday, September 24, 2026

Mid-Morning
Mattoon Weather - 2026-09-24 - Morning - Light Fog
62°F 16°C
Light Fog
Mid-Afternoon
Mattoon Weather - 2026-09-24 - Afternoon - Sunny
76°F 25°C
Sunny
Early-Evening
Mattoon Weather - 2026-09-24 - Evening - Sunny
67°F 19°C
Sunny
Pleasant near 76°F 25°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the NE to the ENE at 8 mph 13 km/h.

Friday, September 25, 2026

Mid-Morning
Mattoon Weather - 2026-09-25 - Morning - Cloudy
62°F 17°C
Cloudy
Mid-Afternoon
Mattoon Weather - 2026-09-25 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
Mattoon Weather - 2026-09-25 - Evening - Overcast
69°F 20°C
Overcast
Comfortable with temperatures reaching 77°F 25°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.

Saturday, September 26, 2026

Mid-Morning
Mattoon Weather - 2026-09-26 - Morning - Sunny
67°F 20°C
Sunny
Mid-Afternoon
Mattoon Weather - 2026-09-26 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Mattoon Weather - 2026-09-26 - Evening - Sunny
74°F 23°C
Sunny
Quite warm around 84°F 29°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.

Sunday, September 27, 2026

Mid-Morning
Mattoon Weather - 2026-09-27 - Morning - Sunny
73°F 23°C
Sunny
Mid-Afternoon
Mattoon Weather - 2026-09-27 - Afternoon - Sunny
89°F 32°C
Sunny
Early-Evening
Mattoon Weather - 2026-09-27 - Evening - Sunny
79°F 26°C
Sunny
Warm temperatures up to 89°F 32°C, sunny throughout the day, with steady humidity and steady pressure.

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Weather by the Numbers

Mon, 14th
Mattoon KY Weather - Monday, Sep 14, 2026 - Partly Cloudy
Hi: 85°F 29°C
Lo: 63°F 17°C
Sunrise 06:33 AM
Sunset 07:01 PM
Wind ENE 10 mph16 km/h
Dew Point 59°F15°C
uv Index 7
Barometric Pressure 30.15 in1021 mb
POP 6% *
Humidity 52%
Tue, 15th
Mattoon KY Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 98°F 36°C
Lo: 71°F 22°C
Sunrise 06:34 AM
Sunset 07:00 PM
Wind SW 11 mph17 km/h
Dew Point 65°F19°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 40%
Wed, 16th
Mattoon KY Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 98°F 37°C
Lo: 79°F 26°C
Sunrise 06:35 AM
Sunset 06:58 PM
Wind SW 12 mph19 km/h
Dew Point 65°F18°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 39%
Thu, 17th
Mattoon KY Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 91°F 33°C
Lo: 75°F 24°C
Sunrise 06:36 AM
Sunset 06:57 PM
Wind N 8 mph13 km/h
Dew Point 68°F20°C
uv Index 8
Barometric Pressure 30.21 in1023 mb
POP 2% *
Humidity 53%
Fri, 18th
Mattoon KY Weather - Friday, Sep 18, 2026 - Sunny
Hi: 91°F 33°C
Lo: 66°F 19°C
Sunrise 06:37 AM
Sunset 06:55 PM
Wind ENE 3 mph5 km/h
Dew Point 68°F20°C
uv Index 8
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 47%
Sat, 19th
Mattoon KY Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 93°F 34°C
Lo: 68°F 20°C
Sunrise 06:37 AM
Sunset 06:54 PM
Wind SSW 5 mph8 km/h
Dew Point 60°F16°C
uv Index 8
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 42%
Sun, 20th
Mattoon KY Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 82°F 28°C
Lo: 61°F 16°C
Sunrise 06:38 AM
Sunset 06:52 PM
Wind W 8 mph13 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 29.85 in1011 mb
POP 26% *
Humidity 71%
Mon, 21st
Mattoon KY Weather - Monday, Sep 21, 2026 - Sunny
Hi: 73°F 23°C
Lo: 50°F 10°C
Sunrise 06:39 AM
Sunset 06:50 PM
Wind NNE 13 mph21 km/h
Dew Point 44°F6°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 44%
Tue, 22nd
Mattoon KY Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 76°F 24°C
Lo: 49°F 10°C
Sunrise 06:40 AM
Sunset 06:49 PM
Wind NNE 9 mph14 km/h
Dew Point 42°F5°C
uv Index 6
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 37%
Wed, 23rd
Mattoon KY Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 75°F 24°C
Lo: 51°F 11°C
Sunrise 06:41 AM
Sunset 06:47 PM
Wind NNE 9 mph14 km/h
Dew Point 45°F7°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 6% *
Humidity 41%
Thu, 24th
Mattoon KY Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 77°F 25°C
Lo: 53°F 12°C
Sunrise 06:42 AM
Sunset 06:46 PM
Wind NE 10 mph16 km/h
Dew Point 46°F8°C
uv Index 6
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 41%
Fri, 25th
Mattoon KY Weather - Friday, Sep 25, 2026 - Overcast
Hi: 78°F 26°C
Lo: 54°F 12°C
Sunrise 06:43 AM
Sunset 06:44 PM
Wind ENE 6 mph9 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 10% *
Humidity 40%
Sat, 26th
Mattoon KY Weather - Saturday, Sep 26, 2026 - Sunny
Hi: 84°F 29°C
Lo: 57°F 14°C
Sunrise 06:43 AM
Sunset 06:43 PM
Wind SSE 2 mph4 km/h
Dew Point 46°F8°C
uv Index 7
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 31%
Sun, 27th
Mattoon KY Weather - Sunday, Sep 27, 2026 - Sunny
Hi: 89°F 32°C
Lo: 63°F 17°C
Sunrise 06:44 AM
Sunset 06:41 PM
Wind ESE 1 mph1 km/h
Dew Point 47°F9°C
uv Index 7
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 28%
* POP = Probability of Precipitation. Data for 12:00 PM.