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As of 01:30 CDT

Weather in Mount Vernon, IL

74°Current weather

Mount Vernon, Sunday, 9 August, 01:30

Clear. Feels like 74°. High 93°, low 72°.

Pressure30.03 inHg
Wind6.7 mph S
Humidity73%
Visibility6.2 mi
Dew point63°

10-day forecast for Mount Vernon, IL: 65° to 98°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

98°
Best day: Tuesday, August 11
86° · 0.3 in
Worst day: Thursday, August 13

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

Mon, 1096° / 76°0Clear
MorningClear79°feels 79°
AfternoonClear95°feels 108°
EveningMostly clear84°feels 87°
OvernightClear79°feels 79°
96 °Clear

Mount Vernon, Monday, 10 August

Clear. High 96°, low 76°.

Pressure29.97 inHg
Wind15 mph SW
Humidity56%
Visibility6.2 mi
Dew point73°
Tue, 1198° / 76°0Overcast
MorningPartly cloudy79°feels 79°
AfternoonClear97°feels 103°
EveningClear89°feels 92°
OvernightOvercast79°feels 79°
98 °Overcast

Mount Vernon, Tuesday, 11 August

Overcast. High 98°, low 76°.

Pressure29.91 inHg
Wind10.1 mph SW
Humidity53%
Visibility6.2 mi
Dew point73°
Wed, 1296° / 75°0.25Rain
MorningOvercast78°feels 80°
AfternoonOvercast94°feels 103°
EveningClear82°feels 89°
OvernightOvercast83°feels 86°
96 °Rain

Mount Vernon, Wednesday, 12 August

Rain. High 96°, low 75°.

Pressure29.83 inHg
Wind11 mph W
Humidity55%
Visibility6.2 mi
Dew point73°
Thu, 1386° / 71°0.3Light rain
MorningLight rain76°feels 79°
AfternoonLight rain84°feels 89°
EveningLight rain78°feels 78°
OvernightLight rain71°feels 73°
86 °Light rain

Mount Vernon, Thursday, 13 August

Light rain. High 86°, low 71°.

Pressure29.91 inHg
Wind13.4 mph E
Humidity70%
Visibility—
Dew point72°
Fri, 1476° / 67°0.19Rain
MorningRain68°feels 69°
AfternoonRain71°feels 72°
EveningRain71°feels 72°
OvernightRain68°feels 69°
76 °Rain

Mount Vernon, Friday, 14 August

Rain. High 76°, low 67°.

Pressure30.06 inHg
Wind16 mph E
Humidity85%
Visibility—
Dew point66°
Sat, 1584° / 65°0.05Light rain
MorningLight rain70°feels 70°
AfternoonLight rain80°feels 81°
EveningLight rain79°feels 83°
OvernightLight rain72°feels 73°
84 °Light rain

Mount Vernon, Saturday, 15 August

Light rain. High 84°, low 65°.

Pressure30.12 inHg
Wind11.5 mph E
Humidity75%
Visibility—
Dew point69°
Sun, 1687° / 69°0Partly cloudy
MorningPartly cloudy76°feels 79°
AfternoonPartly cloudy86°feels 94°
EveningPartly cloudy81°feels 88°
OvernightPartly cloudy74°feels 76°
87 °Partly cloudy

Mount Vernon, Sunday, 16 August

Partly cloudy. High 87°, low 69°.

Pressure30.03 inHg
Wind10.6 mph N
Humidity65%
Visibility—
Dew point72°
Mon, 1787° / 71°0.01Light rain
MorningLight rain75°feels 77°
AfternoonLight rain84°feels 88°
EveningLight rain79°feels 79°
OvernightLight rain75°feels 76°
87 °Light rain

Mount Vernon, Monday, 17 August

Light rain. High 87°, low 71°.

Pressure30.06 inHg
Wind8.1 mph E
Humidity63%
Visibility—
Dew point69°
Tue, 1888° / 68°0Mostly clear
MorningMostly clear73°feels 75°
AfternoonMostly clear85°feels 89°
EveningMostly clear80°feels 84°
OvernightMostly clear75°feels 76°
88 °Mostly clear

Mount Vernon, Tuesday, 18 August

Mostly clear. High 88°, low 68°.

Pressure30.00 inHg
Wind9.5 mph E
Humidity56%
Visibility—
Dew point66°

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 Mount Vernon, 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.