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As of 05:37 CDT

Weather in Decatur, IL

63°Current weather

Decatur, Thursday, 29 October, 05:37

Clear. Feels like 62°. High 77°, low 59°.

Pressure30.12 inHg
Wind8.1 mph SW
Humidity63%
Visibility6.2 mi
Dew point50°

10-day forecast for Decatur, IL: 41° to 77°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

77°
Best day: Thursday, October 29
64° · 0.37 in
Worst day: Saturday, October 31

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

Fri, 3074° / 54°0Overcast
MorningPartly cloudy56°feels 55°
AfternoonOvercast73°feels 72°
EveningOvercast63°feels 61°
OvernightPartly cloudy59°feels 58°
74 °Overcast

Decatur, Friday, 30 October

Overcast. High 74°, low 54°.

Pressure30.30 inHg
Wind9 mph E
Humidity51%
Visibility6.2 mi
Dew point47°
Sat, 3164° / 55°0.37Heavy rain
MorningOvercast55°feels 54°
AfternoonOvercast62°feels 61°
EveningOvercast59°feels 57°
OvernightRain55°feels 54°
64 °Heavy rain

Decatur, Saturday, 31 October

Heavy rain. High 64°, low 55°.

Pressure30.30 inHg
Wind7.7 mph E
Humidity61%
Visibility6.2 mi
Dew point46°
Sun, 0163° / 55°0.2Rain
MorningLight rain56°feels 55°
AfternoonRain62°feels 62°
EveningOvercast60°feels 60°
OvernightOvercast58°feels 57°
63 °Rain

Decatur, Sunday, 1 November

Rain. High 63°, low 55°.

Pressure30.30 inHg
Wind8.8 mph SE
Humidity72%
Visibility4.8 mi
Dew point54°
Mon, 0264° / 56°0.03Light rain
MorningLight rain58°feels 58°
AfternoonLight rain63°feels 62°
EveningLight rain62°feels 61°
OvernightOvercast56°feels 55°
64 °Light rain

Decatur, Monday, 2 November

Light rain. High 64°, low 56°.

Pressure30.09 inHg
Wind13.1 mph S
Humidity75%
Visibility—
Dew point54°
Tue, 0373° / 62°0.03Light rain
MorningLight rain65°feels 65°
AfternoonLight rain72°feels 72°
EveningLight rain69°feels 69°
OvernightLight rain69°feels 69°
73 °Light rain

Decatur, Tuesday, 3 November

Light rain. High 73°, low 62°.

Pressure29.85 inHg
Wind19.8 mph S
Humidity65%
Visibility—
Dew point58°
Wed, 0469° / 53°0.39Rain
MorningRain63°feels 64°
AfternoonRain62°feels 62°
EveningRain58°feels 58°
OvernightRain55°feels 55°
69 °Rain

Decatur, Wednesday, 4 November

Rain. High 69°, low 53°.

Pressure29.65 inHg
Wind22.1 mph SE
Humidity81%
Visibility—
Dew point57°
Thu, 0554° / 44°0Clear
MorningClear46°feels 41°
AfternoonClear51°feels 48°
EveningClear47°feels 43°
OvernightClear45°feels 40°
54 °Clear

Decatur, Thursday, 5 November

Clear. High 54°, low 44°.

Pressure29.91 inHg
Wind15.6 mph W
Humidity37%
Visibility—
Dew point25°
Fri, 0658° / 41°0Mostly clear
MorningMostly clear45°feels 42°
AfternoonMostly clear56°feels 53°
EveningMostly clear49°feels 47°
OvernightMostly clear45°feels 42°
58 °Mostly clear

Decatur, Friday, 6 November

Mostly clear. High 58°, low 41°.

Pressure30.00 inHg
Wind9.8 mph W
Humidity33%
Visibility—
Dew point26°
Sat, 0758° / 41°0Overcast
MorningOvercast46°feels 42°
AfternoonOvercast56°feels 53°
EveningOvercast53°feels 51°
OvernightOvercast51°feels 48°
58 °Overcast

Decatur, Saturday, 7 November

Overcast. High 58°, low 41°.

Pressure30.15 inHg
Wind9.8 mph SE
Humidity37%
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.