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As of 21:20 CST

Weather in Decatur, IL

66°Current weather

Decatur, Tuesday, 3 November, 21:20

Rain. Feels like 67°. High 71°, low 63°.

Pressure29.77 inHg
Wind17.3 mph S
Humidity94%
Visibility6.2 mi
Dew point64°

10-day forecast for Decatur, IL: 33° to 71°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

63°
Best day: Monday, November 9
71° · 0.43 in
Worst day: Tuesday, November 3

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

Wed, 0464° / 55°0.24Rain
MorningLight rain57°feels 57°
AfternoonOvercast58°feels 56°
EveningOvercast56°feels 55°
OvernightRain61°feels 61°
64 °Rain

Decatur, Wednesday, 4 November

Rain. High 64°, low 55°.

Pressure29.74 inHg
Wind14.1 mph SW
Humidity63%
Visibility6.2 mi
Dew point47°
Thu, 0561° / 50°0Overcast
MorningClear52°feels 51°
AfternoonOvercast61°feels 59°
EveningOvercast56°feels 54°
OvernightOvercast55°feels 53°
61 °Overcast

Decatur, Thursday, 5 November

Overcast. High 61°, low 50°.

Pressure29.83 inHg
Wind12.3 mph W
Humidity56%
Visibility6.2 mi
Dew point43°
Fri, 0654° / 40°0Light rain
MorningOvercast48°feels 43°
AfternoonPartly cloudy49°feels 44°
EveningMostly clear41°feels 37°
OvernightOvercast53°feels 52°
54 °Light rain

Decatur, Friday, 6 November

Light rain. High 54°, low 40°.

Pressure30.15 inHg
Wind12.1 mph N
Humidity54%
Visibility6.2 mi
Dew point35°
Sat, 0750° / 33°0Overcast
MorningMostly clear40°feels 40°
AfternoonOvercast50°feels 47°
EveningClear40°feels 37°
OvernightClear36°feels 33°
50 °Overcast

Decatur, Saturday, 7 November

Overcast. High 50°, low 33°.

Pressure30.24 inHg
Wind5.2 mph NW
Humidity50%
Visibility6.2 mi
Dew point29°
Sun, 0862° / 38°0Overcast
MorningOvercast44°feels 41°
AfternoonOvercast57°feels 56°
EveningOvercast52°feels 50°
OvernightOvercast46°feels 43°
62 °Overcast

Decatur, Sunday, 8 November

Overcast. High 62°, low 38°.

Pressure30.09 inHg
Wind10.2 mph W
Humidity61%
Visibility—
Dew point42°
Mon, 0963° / 38°0Clear
MorningClear45°feels 44°
AfternoonClear59°feels 56°
EveningClear52°feels 49°
OvernightClear46°feels 44°
63 °Clear

Decatur, Monday, 9 November

Clear. High 63°, low 38°.

Pressure30.15 inHg
Wind8.9 mph SW
Humidity36%
Visibility—
Dew point31°
Tue, 1062° / 43°0Overcast
MorningOvercast48°feels 44°
AfternoonOvercast59°feels 57°
EveningOvercast53°feels 51°
OvernightOvercast49°feels 46°
62 °Overcast

Decatur, Tuesday, 10 November

Overcast. High 62°, low 43°.

Pressure30.12 inHg
Wind8.2 mph W
Humidity42%
Visibility—
Dew point35°
Wed, 1157° / 45°0Overcast
MorningOvercast49°feels 46°
AfternoonOvercast56°feels 53°
EveningOvercast51°feels 47°
OvernightOvercast48°feels 44°
57 °Overcast

Decatur, Wednesday, 11 November

Overcast. High 57°, low 45°.

Pressure30.15 inHg
Wind7.7 mph NE
Humidity40%
Visibility—
Dew point31°
Thu, 1257° / 44°0Overcast
MorningOvercast47°feels 44°
AfternoonOvercast56°feels 53°
EveningOvercast53°feels 50°
OvernightOvercast47°feels 46°
57 °Overcast

Decatur, Thursday, 12 November

Overcast. High 57°, low 44°.

Pressure30.09 inHg
Wind7 mph NE
Humidity36%
Visibility—
Dew point28°

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.