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As of 20:56 CDT

Weather in Decatur, IL

55°Current weather

Decatur, Friday, 30 October, 20:56

Overcast. Feels like 55°. High 67°, low 51°.

Pressure30.30 inHg
Wind11.5 mph E
Humidity82%
Visibility6.2 mi
Dew point50°

10-day forecast for Decatur, IL: 51° to 73°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

73°
Best day: Friday, November 6
68° · 0.62 in
Worst day: Wednesday, November 4

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

Sat, 3167° / 57°0Overcast
MorningOvercast58°feels 56°
AfternoonOvercast66°feels 65°
EveningOvercast64°feels 63°
OvernightOvercast59°feels 58°
67 °Overcast

Decatur, Saturday, 31 October

Overcast. High 67°, low 57°.

Pressure30.30 inHg
Wind6.2 mph SE
Humidity55%
Visibility6.2 mi
Dew point46°
Sun, 0168° / 56°0.02Light rain
MorningOvercast57°feels 56°
AfternoonOvercast68°feels 67°
EveningOvercast57°feels 55°
OvernightOvercast60°feels 59°
68 °Light rain

Decatur, Sunday, 1 November

Light rain. High 68°, low 56°.

Pressure30.30 inHg
Wind7.1 mph SE
Humidity62%
Visibility6.2 mi
Dew point52°
Mon, 0268° / 56°0Overcast
MorningOvercast56°feels 55°
AfternoonOvercast67°feels 66°
EveningOvercast63°feels 62°
OvernightOvercast56°feels 55°
68 °Overcast

Decatur, Monday, 2 November

Overcast. High 68°, low 56°.

Pressure30.15 inHg
Wind10.2 mph SE
Humidity62%
Visibility6.2 mi
Dew point49°
Tue, 0368° / 63°0.11Light rain
MorningOvercast63°feels 63°
AfternoonOvercast68°feels 67°
EveningLight rain64°feels 64°
OvernightOvercast64°feels 63°
68 °Light rain

Decatur, Tuesday, 3 November

Light rain. High 68°, low 63°.

Pressure29.91 inHg
Wind16.7 mph S
Humidity74%
Visibility6.2 mi
Dew point58°
Wed, 0468° / 58°0.62Rain
MorningRain64°feels 65°
AfternoonRain67°feels 67°
EveningRain60°feels 60°
OvernightRain59°feels 58°
68 °Rain

Decatur, Wednesday, 4 November

Rain. High 68°, low 58°.

Pressure29.68 inHg
Wind14.3 mph S
Humidity81%
Visibility—
Dew point61°
Thu, 0572° / 56°0Overcast
MorningOvercast60°feels 59°
AfternoonOvercast69°feels 68°
EveningOvercast61°feels 59°
OvernightOvercast58°feels 56°
72 °Overcast

Decatur, Thursday, 5 November

Overcast. High 72°, low 56°.

Pressure29.97 inHg
Wind8 mph S
Humidity38%
Visibility—
Dew point42°
Fri, 0673° / 52°0Overcast
MorningOvercast58°feels 56°
AfternoonOvercast70°feels 68°
EveningOvercast63°feels 61°
OvernightOvercast59°feels 57°
73 °Overcast

Decatur, Friday, 6 November

Overcast. High 73°, low 52°.

Pressure29.97 inHg
Wind10.4 mph S
Humidity41%
Visibility—
Dew point44°
Sat, 0772° / 56°0Overcast
MorningOvercast60°feels 59°
AfternoonOvercast70°feels 69°
EveningOvercast65°feels 63°
OvernightOvercast62°feels 61°
72 °Overcast

Decatur, Saturday, 7 November

Overcast. High 72°, low 56°.

Pressure30.03 inHg
Wind7.6 mph S
Humidity40%
Visibility—
Dew point43°
Sun, 0873° / 60°0Light rain
MorningLight rain63°feels 63°
AfternoonLight rain70°feels 70°
EveningLight rain67°feels 66°
OvernightLight rain64°feels 64°
73 °Light rain

Decatur, Sunday, 8 November

Light rain. High 73°, low 60°.

Pressure30.15 inHg
Wind9.2 mph SE
Humidity64%
Visibility—
Dew point57°

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 Decatur, 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.