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As of 21:13 CDT

Weather in Lanark, IL

66°Current weather

Lanark, Saturday, 8 August, 21:13

Partly cloudy. Feels like 67°. High 82°, low 65°.

Pressure30.00 inHg
Wind4.3 mph SE
Humidity93%
Visibility6.2 mi
Dew point64°

10-day forecast for Lanark, IL: 58° to 86°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

86°
Best day: Sunday, August 9
85° · 0.21 in
Worst day: Monday, August 10

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

Sun, 0986° / 62°0.02Light rain
MorningMostly clear70°feels 71°
AfternoonOvercast83°feels 91°
EveningClear81°feels 88°
OvernightMostly clear65°feels 66°
86 °Light rain

Lanark, Sunday, 9 August

Light rain. High 86°, low 62°.

Pressure29.91 inHg
Wind7.1 mph S
Humidity81%
Visibility6.2 mi
Dew point74°
Mon, 1085° / 70°0.21Rain
MorningOvercast72°feels 74°
AfternoonOvercast85°feels 93°
EveningClear78°feels 80°
OvernightPartly cloudy74°feels 75°
85 °Rain

Lanark, Monday, 10 August

Rain. High 85°, low 70°.

Pressure29.88 inHg
Wind4.7 mph SE
Humidity77%
Visibility6.2 mi
Dew point74°
Tue, 1186° / 71°0.05Rain
MorningRain71°feels 72°
AfternoonPartly cloudy84°feels 91°
EveningClear77°feels 79°
OvernightClear73°feels 75°
86 °Rain

Lanark, Tuesday, 11 August

Rain. High 86°, low 71°.

Pressure29.80 inHg
Wind7.1 mph W
Humidity84%
Visibility6.2 mi
Dew point73°
Wed, 1280° / 67°0Overcast
MorningOvercast72°feels 73°
AfternoonOvercast79°feels 79°
EveningMostly clear71°feels 71°
OvernightOvercast69°feels 71°
80 °Overcast

Lanark, Wednesday, 12 August

Overcast. High 80°, low 67°.

Pressure29.88 inHg
Wind4.7 mph NW
Humidity86%
Visibility6.2 mi
Dew point71°
Thu, 1372° / 59°0Overcast
MorningOvercast63°feels 63°
AfternoonOvercast71°feels 71°
EveningOvercast67°feels 67°
OvernightOvercast62°feels 63°
72 °Overcast

Lanark, Thursday, 13 August

Overcast. High 72°, low 59°.

Pressure30.03 inHg
Wind9.3 mph E
Humidity76%
Visibility—
Dew point62°
Fri, 1476° / 58°0Mostly clear
MorningMostly clear63°feels 63°
AfternoonMostly clear74°feels 74°
EveningMostly clear71°feels 71°
OvernightMostly clear64°feels 64°
76 °Mostly clear

Lanark, Friday, 14 August

Mostly clear. High 76°, low 58°.

Pressure30.12 inHg
Wind5.8 mph E
Humidity58%
Visibility—
Dew point57°
Sat, 1564° / 59°0.06Light rain
MorningLight rain62°feels 61°
AfternoonLight rain64°feels 63°
EveningLight rain60°feels 60°
OvernightLight rain60°feels 59°
64 °Light rain

Lanark, Saturday, 15 August

Light rain. High 64°, low 59°.

Pressure30.30 inHg
Wind8.8 mph S
Humidity72%
Visibility—
Dew point55°
Sun, 1671° / 59°0Overcast
MorningOvercast63°feels 62°
AfternoonOvercast69°feels 69°
EveningOvercast69°feels 70°
OvernightOvercast65°feels 65°
71 °Overcast

Lanark, Sunday, 16 August

Overcast. High 71°, low 59°.

Pressure30.15 inHg
Wind6.5 mph E
Humidity70%
Visibility—
Dew point57°
Mon, 1780° / 63°0Overcast
MorningOvercast67°feels 68°
AfternoonOvercast77°feels 77°
EveningOvercast75°feels 76°
OvernightOvercast67°feels 68°
80 °Overcast

Lanark, Monday, 17 August

Overcast. High 80°, low 63°.

Pressure30.06 inHg
Wind6.2 mph S
Humidity70%
Visibility—
Dew point64°

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 Lanark, 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.