As of 23:39 CDT

Weather in Mattoon, IL

42°Current weather

Mattoon, Saturday, 17 October, 23:39

Clear. Feels like 40°. High 57°, low 39°.

Pressure30.47 inHg
Wind3.4 mph S
Humidity84%
Visibility6.2 mi
Dew point37°

10-day forecast for Mattoon, IL: 38° to 73°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

73°
Best day: Saturday, October 24
57°
Worst day: Saturday, October 17

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

Sun, 1862° / 38°0Clear
MorningClear42°feels 37°
AfternoonClear61°feels 58°
EveningClear50°feels 48°
OvernightClear41°feels 38°
62 °Clear

Mattoon, Sunday, 18 October

Clear. High 62°, low 38°.

Pressure30.50 inHg
Wind8.9 mph S
Humidity46%
Visibility6.2 mi
Dew point38°
Mon, 1966° / 42°0Clear
MorningClear44°feels 44°
AfternoonClear66°feels 64°
EveningOvercast54°feels 53°
OvernightClear45°feels 43°
66 °Clear

Mattoon, Monday, 19 October

Clear. High 66°, low 42°.

Pressure30.39 inHg
Wind0.7 mph NE
Humidity44%
Visibility6.2 mi
Dew point41°
Tue, 2069° / 43°0Clear
MorningClear45°feels 43°
AfternoonClear68°feels 67°
EveningMostly clear56°feels 54°
OvernightPartly cloudy47°feels 47°
69 °Clear

Mattoon, Tuesday, 20 October

Clear. High 69°, low 43°.

Pressure30.39 inHg
Wind2.6 mph E
Humidity44%
Visibility6.2 mi
Dew point44°
Wed, 2170° / 46°0Clear
MorningClear51°feels 49°
AfternoonClear69°feels 68°
EveningClear59°feels 58°
OvernightClear49°feels 48°
70 °Clear

Mattoon, Wednesday, 21 October

Clear. High 70°, low 46°.

Pressure30.30 inHg
Wind1.8 mph S
Humidity48%
Visibility6.2 mi
Dew point46°
Thu, 2270° / 48°0Clear
MorningClear54°feels 54°
AfternoonClear68°feels 67°
EveningClear60°feels 59°
OvernightClear55°feels 54°
70 °Clear

Mattoon, Thursday, 22 October

Clear. High 70°, low 48°.

Pressure30.24 inHg
Wind7.5 mph NE
Humidity44%
Visibility—
Dew point44°
Fri, 2371° / 50°0Clear
MorningClear55°feels 53°
AfternoonClear67°feels 66°
EveningClear61°feels 58°
OvernightClear57°feels 54°
71 °Clear

Mattoon, Friday, 23 October

Clear. High 71°, low 50°.

Pressure30.30 inHg
Wind8.1 mph E
Humidity42%
Visibility—
Dew point42°
Sat, 2473° / 53°0Overcast
MorningOvercast58°feels 56°
AfternoonOvercast70°feels 68°
EveningOvercast63°feels 61°
OvernightOvercast60°feels 57°
73 °Overcast

Mattoon, Saturday, 24 October

Overcast. High 73°, low 53°.

Pressure30.27 inHg
Wind11.8 mph S
Humidity28%
Visibility—
Dew point34°
Sun, 2567° / 50°0Overcast
MorningOvercast59°feels 57°
AfternoonOvercast64°feels 63°
EveningOvercast52°feels 50°
OvernightOvercast51°feels 49°
67 °Overcast

Mattoon, Sunday, 25 October

Overcast. High 67°, low 50°.

Pressure30.36 inHg
Wind13.1 mph NW
Humidity43%
Visibility—
Dew point42°
Mon, 2660° / 41°0Overcast
MorningOvercast46°feels 42°
AfternoonOvercast56°feels 53°
EveningOvercast49°feels 47°
OvernightOvercast45°feels 42°
60 °Overcast

Mattoon, Monday, 26 October

Overcast. High 60°, low 41°.

Pressure30.39 inHg
Wind7.6 mph N
Humidity30%
Visibility—
Dew point24°

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.