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Mattoon IL Weather - Clear - 69°F
Clear
69°F
Updated 6:09 pm
Feels Like 63°F
Humidity 45%
Wind S 6 mph
Barometer  30.34 in
Dew Point 47°F
Mattoon IL Weather - Clear - 21°C
Clear
21°C
Updated 6:09 pm
Feels Like 17°C
Humidity 45%
Wind S 10 km/h
Barometer  102.7 kPa
Dew Point 8°C
Mattoon, IL Weather and Current Conditionsmattoon il weather forecast

Mattoon, IL Weather Forecast

Mattoon Illinois WeatherMattoon, Illinois Weather Weather Forecast
14 day API forecast for Mattoon, Illinois. Note. The 7-day weather forecast for Mattoon, IL is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Mattoon, IL Weather Forecast Dated: 609 PM Sun Oct 25 2026
Expect a cool pattern with more clouds than sun and occasional showers over the coming period. moderate humidity and a stable pattern will dominate.

Sunday, October 25, 2026

Mid-Morning
Mattoon Weather - 2026-10-25 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Mattoon Weather - 2026-10-25 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
Mattoon Weather - 2026-10-25 - Evening - Overcast
65°F 18°C
Overcast
Pleasant near 74°F 23°C, overcast throughout the day, with lower humidity and barometric pressure falling.

Monday, October 26, 2026

Mid-Morning
Mattoon Weather - 2026-10-26 - Morning - Overcast
62°F 17°C
Overcast
Mid-Afternoon
Mattoon Weather - 2026-10-26 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Mattoon Weather - 2026-10-26 - Evening - Overcast
65°F 19°C
Overcast
Comfortable with temperatures reaching 75°F 24°C, overcast throughout the day, with steady humidity and barometric pressure falling.

Tuesday, October 27, 2026

Mid-Morning
Mattoon Weather - 2026-10-27 - Morning - Partly Cloudy
60°F 16°C
Partly Cloudy
Mid-Afternoon
Mattoon Weather - 2026-10-27 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Mattoon Weather - 2026-10-27 - Evening - Overcast
64°F 18°C
Overcast
Enjoyable around 73°F 23°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds out of the S at 9 mph 14 km/h.

Wednesday, October 28, 2026

Mid-Morning
Mattoon Weather - 2026-10-28 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Mattoon Weather - 2026-10-28 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Mattoon Weather - 2026-10-28 - Evening - Clear
66°F 19°C
Clear
Mild temperatures up to 77°F 25°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds blowing from the SSW at 11 mph 18 km/h.

Thursday, October 29, 2026

Mid-Morning
Mattoon Weather - 2026-10-29 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Mattoon Weather - 2026-10-29 - Afternoon - Scattered Showers
80°F 27°C
Scattered Showers
Early-Evening
Mattoon Weather - 2026-10-29 - Evening - Overcast
69°F 21°C
Overcast
Very warm with a high of 80°F 27°C, scattered downpours possible, with increasing humidity and steady pressure. Winds moving from the SSW to the NW at 7 mph 12 km/h.

Friday, October 30, 2026

Mid-Morning
Mattoon Weather - 2026-10-30 - Morning - Partly Cloudy
62°F 17°C
Partly Cloudy
Mid-Afternoon
Mattoon Weather - 2026-10-30 - Afternoon - Cloudy
74°F 24°C
Cloudy
Early-Evening
Mattoon Weather - 2026-10-30 - Evening - Overcast
65°F 19°C
Overcast
Pleasant near 74°F 24°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.

Saturday, October 31, 2026

Mid-Morning
Mattoon Weather - 2026-10-31 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Mattoon Weather - 2026-10-31 - Afternoon - Overcast
67°F 20°C
Overcast
Early-Evening
Mattoon Weather - 2026-10-31 - Evening - Drizzle
63°F 17°C
Drizzle
Comfortable at 67°F 20°C, drier conditions through late afternoon before showers move in, with steady humidity and steady pressure.

Sunday, November 1, 2026

Mid-Morning
Mattoon Weather - 2026-11-01 - Morning - Drizzle
62°F 16°C
Drizzle
Mid-Afternoon
Mattoon Weather - 2026-11-01 - Afternoon - Cloudy
63°F 17°C
Cloudy
Early-Evening
Mattoon Weather - 2026-11-01 - Evening - Partly Cloudy
60°F 16°C
Partly Cloudy
Cool with a high near 63°F 17°C, scattered morning showers before drying out later, with steady humidity and steady pressure.

Monday, November 2, 2026

Mid-Morning
Mattoon Weather - 2026-11-02 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Mattoon Weather - 2026-11-02 - Afternoon - Overcast
61°F 16°C
Overcast
Early-Evening
Mattoon Weather - 2026-11-02 - Evening - Overcast
58°F 15°C
Overcast
Refreshing around 61°F 16°C, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the NE to the ENE at 8 mph 13 km/h.

Tuesday, November 3, 2026

Mid-Morning
Mattoon Weather - 2026-11-03 - Morning - Overcast
57°F 14°C
Overcast
Mid-Afternoon
Mattoon Weather - 2026-11-03 - Afternoon - Overcast
61°F 16°C
Overcast
Early-Evening
Mattoon Weather - 2026-11-03 - Evening - Overcast
56°F 14°C
Overcast
Mildly cool near 61°F 16°C, overcast throughout the day, with steady humidity and steady pressure. Winds blowing from the E at 12 mph 19 km/h. Gusts up to 24 mph 38 km/h.

Wednesday, November 4, 2026

Mid-Morning
Mattoon Weather - 2026-11-04 - Morning - Scattered Showers
58°F 14°C
Scattered Showers
Mid-Afternoon
Mattoon Weather - 2026-11-04 - Afternoon - Scattered Showers
62°F 17°C
Scattered Showers
Early-Evening
Mattoon Weather - 2026-11-04 - Evening - Drizzle
58°F 14°C
Drizzle
Comfortable at 62°F 17°C, scattered downpours possible, with increasing humidity and steady pressure. Winds SE at 9 mph 15 km/h.

Thursday, November 5, 2026

Mid-Morning
Mattoon Weather - 2026-11-05 - Morning - Light Rain
57°F 14°C
Light Rain
Mid-Afternoon
Mattoon Weather - 2026-11-05 - Afternoon - Drizzle
61°F 16°C
Drizzle
Early-Evening
Mattoon Weather - 2026-11-05 - Evening - Scattered Showers
58°F 15°C
Scattered Showers
Cool with a high near 61°F 16°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds switching from the SSE to the SSW at 5 mph 8 km/h.

Friday, November 6, 2026

Mid-Morning
Mattoon Weather - 2026-11-06 - Morning - Partly Cloudy
58°F 14°C
Partly Cloudy
Mid-Afternoon
Mattoon Weather - 2026-11-06 - Afternoon - Cloudy
63°F 17°C
Cloudy
Early-Evening
Mattoon Weather - 2026-11-06 - Evening - Overcast
58°F 15°C
Overcast
Refreshing around 63°F 17°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.

Saturday, November 7, 2026

Mid-Morning
Mattoon Weather - 2026-11-07 - Morning - Sunny
58°F 15°C
Sunny
Mid-Afternoon
Mattoon Weather - 2026-11-07 - Afternoon - Cloudy
65°F 18°C
Cloudy
Early-Evening
Mattoon Weather - 2026-11-07 - Evening - Cloudy
60°F 16°C
Cloudy
Mildly cool near 65°F 18°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds blowing from the SSW at 7 mph 11 km/h.

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Weather by the Numbers

Sun, 25th
Mattoon IL Weather - Sunday, Oct 25, 2026 - Cloudy
Hi: 74°F 23°C
Lo: 50°F 10°C
Sunrise 07:14 AM
Sunset 06:00 PM
Wind S 5 mph8 km/h
Dew Point 41°F5°C
uv Index 3
Barometric Pressure 30.39 in1029 mb
POP 7% *
Humidity 35%
Mon, 26th
Mattoon IL Weather - Monday, Oct 26, 2026 - Overcast
Hi: 75°F 24°C
Lo: 53°F 12°C
Sunrise 07:15 AM
Sunset 05:59 PM
Wind SSW 6 mph9 km/h
Dew Point 44°F7°C
uv Index 3
Barometric Pressure 30.3 in1026 mb
POP 10% *
Humidity 38%
Tue, 27th
Mattoon IL Weather - Tuesday, Oct 27, 2026 - Overcast
Hi: 73°F 23°C
Lo: 53°F 12°C
Sunrise 07:16 AM
Sunset 05:58 PM
Wind S 9 mph14 km/h
Dew Point 45°F7°C
uv Index 3
Barometric Pressure 30.27 in1025 mb
POP 10% *
Humidity 38%
Wed, 28th
Mattoon IL Weather - Wednesday, Oct 28, 2026 - Overcast
Hi: 77°F 25°C
Lo: 54°F 12°C
Sunrise 07:17 AM
Sunset 05:56 PM
Wind S 10 mph17 km/h
Dew Point 43°F6°C
uv Index 3
Barometric Pressure 30.24 in1024 mb
POP 9% *
Humidity 34%
Thu, 29th
Mattoon IL Weather - Thursday, Oct 29, 2026 - Sunny
Hi: 80°F 27°C
Lo: 56°F 13°C
Sunrise 07:18 AM
Sunset 05:55 PM
Wind SSW 16 mph26 km/h
Dew Point 44°F6°C
uv Index 3
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 31%
Fri, 30th
Mattoon IL Weather - Friday, Oct 30, 2026 - Partly Cloudy
Hi: 74°F 24°C
Lo: 56°F 14°C
Sunrise 07:19 AM
Sunset 05:54 PM
Wind ESE 3 mph5 km/h
Dew Point 50°F10°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 6% *
Humidity 48%
Sat, 31st
Mattoon IL Weather - Saturday, Oct 31, 2026 - Overcast
Hi: 67°F 20°C
Lo: 58°F 14°C
Sunrise 07:21 AM
Sunset 05:53 PM
Wind ESE 4 mph7 km/h
Dew Point 49°F9°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 13% *
Humidity 55%
Sun, 1st
Mattoon IL Weather - Sunday, Nov 1, 2026 - Overcast
Hi: 65°F 18°C
Lo: 58°F 14°C
Sunrise 07:22 AM
Sunset 05:52 PM
Wind NE 5 mph9 km/h
Dew Point 58°F14°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 23% *
Humidity 78%
Mon, 2nd
Mattoon IL Weather - Monday, Nov 2, 2026 - Overcast
Hi: 64°F 18°C
Lo: 55°F 13°C
Sunrise 06:22 AM
Sunset 04:50 PM
Wind ENE 8 mph13 km/h
Dew Point 52°F11°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 16% *
Humidity 65%
Tue, 3rd
Mattoon IL Weather - Tuesday, Nov 3, 2026 - Overcast
Hi: 62°F 17°C
Lo: 51°F 11°C
Sunrise 06:23 AM
Sunset 04:49 PM
Wind E 12 mph19 km/h
Dew Point 42°F6°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 11% *
Humidity 48%
Wed, 4th
Mattoon IL Weather - Wednesday, Nov 4, 2026 - Patchy Rain Nearby
Hi: 63°F 17°C
Lo: 52°F 11°C
Sunrise 06:25 AM
Sunset 04:48 PM
Wind SE 10 mph16 km/h
Dew Point 49°F10°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 23% *
Humidity 62%
Thu, 5th
Mattoon IL Weather - Thursday, Nov 5, 2026 - Light Drizzle
Hi: 61°F 16°C
Lo: 55°F 13°C
Sunrise 06:26 AM
Sunset 04:47 PM
Wind SSE 10 mph15 km/h
Dew Point 53°F12°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 61% *
Humidity 76%
Fri, 6th
Mattoon IL Weather - Friday, Nov 6, 2026 - Cloudy
Hi: 64°F 18°C
Lo: 51°F 11°C
Sunrise 06:27 AM
Sunset 04:46 PM
Wind WSW 6 mph10 km/h
Dew Point 47°F8°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 9% *
Humidity 54%
Sat, 7th
Mattoon IL Weather - Saturday, Nov 7, 2026 - Sunny
Hi: 67°F 19°C
Lo: 50°F 10°C
Sunrise 06:28 AM
Sunset 04:45 PM
Wind SW 6 mph9 km/h
Dew Point 47°F8°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 2% *
Humidity 49%
* POP = Probability of Precipitation. Data for 12:00 PM.