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As of 04:19 CDT

Weather in Collinsville, IL

73°Current weather

Collinsville, Sunday, 9 August, 04:19

Partly cloudy. Feels like 74°. High 97°, low 73°.

Pressure30.00 inHg
Wind2 mph SE
Humidity92%
Visibility6.2 mi
Dew point71°

10-day forecast for Collinsville, IL: 66° to 101°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.

97°
Best day: Sunday, August 9
85° · 0.28 in
Worst day: Thursday, August 13

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

Mon, 10100° / 70°0.11Rain
MorningOvercast79°feels 79°
AfternoonOvercast99°feels 106°
EveningClear88°feels 92°
OvernightClear82°feels 85°
100 °Rain

Collinsville, Monday, 10 August

Rain. High 100°, low 70°.

Pressure29.94 inHg
Wind12 mph SW
Humidity46%
Visibility6.2 mi
Dew point71°
Tue, 11101° / 71°0.04Light rain
MorningMostly clear80°feels 83°
AfternoonClear100°feels 105°
EveningClear88°feels 90°
OvernightOvercast73°feels 74°
101 °Light rain

Collinsville, Tuesday, 11 August

Light rain. High 101°, low 71°.

Pressure29.88 inHg
Wind11.5 mph SW
Humidity44%
Visibility6.2 mi
Dew point70°
Wed, 1296° / 76°0.05Light rain
MorningOvercast80°feels 80°
AfternoonMostly clear96°feels 102°
EveningOvercast84°feels 92°
OvernightOvercast86°feels 88°
96 °Light rain

Collinsville, Wednesday, 12 August

Light rain. High 96°, low 76°.

Pressure29.83 inHg
Wind9.7 mph NW
Humidity52%
Visibility6.2 mi
Dew point71°
Thu, 1385° / 71°0.28Rain
MorningRain75°feels 78°
AfternoonRain84°feels 90°
EveningRain77°feels 79°
OvernightOvercast74°feels 75°
85 °Rain

Collinsville, Thursday, 13 August

Rain. High 85°, low 71°.

Pressure29.91 inHg
Wind15.1 mph E
Humidity70%
Visibility—
Dew point72°
Fri, 1474° / 66°0.17Light rain
MorningLight rain67°feels 68°
AfternoonLight rain72°feels 72°
EveningLight rain71°feels 72°
OvernightLight rain68°feels 69°
74 °Light rain

Collinsville, Friday, 14 August

Light rain. High 74°, low 66°.

Pressure30.06 inHg
Wind14.2 mph E
Humidity83%
Visibility—
Dew point65°
Sat, 1587° / 66°0.08Light rain
MorningLight rain70°feels 71°
AfternoonLight rain80°feels 81°
EveningLight rain81°feels 86°
OvernightLight rain74°feels 76°
87 °Light rain

Collinsville, Saturday, 15 August

Light rain. High 87°, low 66°.

Pressure30.12 inHg
Wind11.4 mph SE
Humidity76%
Visibility—
Dew point69°
Sun, 1689° / 70°0Overcast
MorningOvercast75°feels 78°
AfternoonOvercast87°feels 96°
EveningOvercast83°feels 92°
OvernightOvercast75°feels 77°
89 °Overcast

Collinsville, Sunday, 16 August

Overcast. High 89°, low 70°.

Pressure30.03 inHg
Wind10.1 mph SE
Humidity65%
Visibility—
Dew point72°
Mon, 1786° / 72°0.02Light rain
MorningLight rain75°feels 78°
AfternoonLight rain84°feels 89°
EveningLight rain80°feels 84°
OvernightLight rain74°feels 75°
86 °Light rain

Collinsville, Monday, 17 August

Light rain. High 86°, low 72°.

Pressure30.06 inHg
Wind6.6 mph NE
Humidity63%
Visibility—
Dew point69°
Tue, 1891° / 68°0.01Light rain
MorningLight rain74°feels 76°
AfternoonLight rain87°feels 92°
EveningLight rain83°feels 89°
OvernightLight rain77°feels 77°
91 °Light rain

Collinsville, Tuesday, 18 August

Light rain. High 91°, low 68°.

Pressure29.97 inHg
Wind10.5 mph E
Humidity57%
Visibility—
Dew point68°

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 Collinsville, 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.