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As of 13:20 CDT

Weather in Mattoon, IL

88°Current weather

Mattoon, Saturday, 8 August, 13:20

Clear. Feels like 101°. High 88°, low 71°.

Pressure30.06 inHg
Wind2 mph S
Humidity71%
Visibility6.2 mi
Dew point77°

10-day forecast for Mattoon, IL: 55° to 92°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.

92°
Best day: Sunday, August 9
72° · 0.65 in
Worst day: Thursday, August 13

Tap any day below to see morning, afternoon, evening and overnight.

Sun, 0992° / 71°0Partly cloudy
MorningClear76°feels 77°
AfternoonClear91°feels 104°
EveningClear83°feels 94°
OvernightClear72°feels 73°
92 °Partly cloudy

Mattoon, Sunday, 9 August

Partly cloudy. High 92°, low 71°.

Pressure30.00 inHg
Wind12.9 mph S
Humidity68%
Visibility6.2 mi
Dew point73°
Mon, 1090° / 75°0Overcast
MorningOvercast75°feels 76°
AfternoonOvercast90°feels 99°
EveningMostly clear81°feels 85°
OvernightClear78°feels 79°
90 °Overcast

Mattoon, Monday, 10 August

Overcast. High 90°, low 75°.

Pressure29.94 inHg
Wind15.8 mph S
Humidity68%
Visibility6.2 mi
Dew point74°
Tue, 1192° / 73°0.04Light rain
MorningLight rain75°feels 76°
AfternoonOvercast91°feels 101°
EveningPartly cloudy83°feels 89°
OvernightOvercast79°feels 79°
92 °Light rain

Mattoon, Tuesday, 11 August

Light rain. High 92°, low 73°.

Pressure29.88 inHg
Wind14.9 mph SW
Humidity65%
Visibility6.2 mi
Dew point74°
Wed, 1281° / 67°0.52Rain
MorningOvercast77°feels 78°
AfternoonRain69°feels 70°
EveningRain75°feels 76°
OvernightLight rain76°feels 77°
81 °Rain

Mattoon, Wednesday, 12 August

Rain. High 81°, low 67°.

Pressure29.88 inHg
Wind23.4 mph N
Humidity95%
Visibility6.2 mi
Dew point71°
Thu, 1372° / 63°0.65Rain
MorningRain71°feels 72°
AfternoonRain71°feels 73°
EveningRain67°feels 68°
OvernightRain64°feels 65°
72 °Rain

Mattoon, Thursday, 13 August

Rain. High 72°, low 63°.

Pressure29.83 inHg
Wind11.5 mph N
Humidity97%
Visibility—
Dew point71°
Fri, 1474° / 55°0Clear
MorningClear60°feels 60°
AfternoonClear72°feels 72°
EveningClear68°feels 68°
OvernightClear60°feels 59°
74 °Clear

Mattoon, Friday, 14 August

Clear. High 74°, low 55°.

Pressure30.18 inHg
Wind5.6 mph NE
Humidity58%
Visibility—
Dew point54°
Sat, 1575° / 57°0Overcast
MorningOvercast62°feels 62°
AfternoonOvercast73°feels 73°
EveningOvercast70°feels 70°
OvernightOvercast65°feels 64°
75 °Overcast

Mattoon, Saturday, 15 August

Overcast. High 75°, low 57°.

Pressure30.21 inHg
Wind7 mph SE
Humidity62%
Visibility—
Dew point58°
Sun, 1668° / 64°0.31Light rain
MorningLight rain65°feels 65°
AfternoonLight rain67°feels 68°
EveningLight rain65°feels 66°
OvernightLight rain65°feels 65°
68 °Light rain

Mattoon, Sunday, 16 August

Light rain. High 68°, low 64°.

Pressure30.12 inHg
Wind13.8 mph SE
Humidity90%
Visibility—
Dew point64°
Mon, 1775° / 66°0.15Rain
MorningRain70°feels 71°
AfternoonRain73°feels 74°
EveningRain72°feels 73°
OvernightRain69°feels 70°
75 °Rain

Mattoon, Monday, 17 August

Rain. High 75°, low 66°.

Pressure29.94 inHg
Wind9.8 mph SE
Humidity94%
Visibility—
Dew point71°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Mattoon, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.