As of 19:12 CDT

Weather in Williamson, IL

86°Current weather

Williamson, Saturday, 8 August, 19:12

Clear. Feels like 94°. High 89°, low 70°.

Pressure30.00 inHg
Wind4 mph SE
Humidity71%
Visibility6.2 mi
Dew point75°

10-day forecast for Williamson, IL: 56° to 95°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.

95°
Best day: Monday, August 10
77° · 0.64 in
Worst day: Thursday, August 13

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

Sun, 0994° / 73°0Overcast
MorningClear77°feels 79°
AfternoonMostly clear92°feels 105°
EveningClear82°feels 86°
OvernightClear75°feels 77°
94 °Overcast

Williamson, Sunday, 9 August

Overcast. High 94°, low 73°.

Pressure29.97 inHg
Wind14.2 mph S
Humidity70%
Visibility6.2 mi
Dew point75°
Mon, 1095° / 73°0Clear
MorningClear76°feels 77°
AfternoonClear95°feels 107°
EveningPartly cloudy83°feels 89°
OvernightClear78°feels 79°
95 °Clear

Williamson, Monday, 10 August

Clear. High 95°, low 73°.

Pressure29.94 inHg
Wind10.9 mph SW
Humidity61%
Visibility6.2 mi
Dew point75°
Tue, 1192° / 74°0.07Rain
MorningOvercast76°feels 77°
AfternoonOvercast89°feels 99°
EveningOvercast88°feels 95°
OvernightOvercast81°feels 83°
92 °Rain

Williamson, Tuesday, 11 August

Rain. High 92°, low 74°.

Pressure29.88 inHg
Wind11.6 mph SW
Humidity64%
Visibility6.2 mi
Dew point74°
Wed, 1284° / 72°0.04Light rain
MorningOvercast76°feels 77°
AfternoonOvercast81°feels 85°
EveningLight rain80°feels 85°
OvernightPartly cloudy74°feels 75°
84 °Light rain

Williamson, Wednesday, 12 August

Light rain. High 84°, low 72°.

Pressure29.85 inHg
Wind3.9 mph W
Humidity63%
Visibility6.2 mi
Dew point72°
Thu, 1377° / 70°0.64Rain
MorningRain72°feels 73°
AfternoonRain76°feels 78°
EveningRain72°feels 74°
OvernightRain70°feels 71°
77 °Rain

Williamson, Thursday, 13 August

Rain. High 77°, low 70°.

Pressure29.88 inHg
Wind9.7 mph SE
Humidity87%
Visibility
Dew point72°
Fri, 1475° / 62°0Mostly clear
MorningMostly clear65°feels 66°
AfternoonMostly clear73°feels 73°
EveningMostly clear69°feels 69°
OvernightMostly clear62°feels 62°
75 °Mostly clear

Williamson, Friday, 14 August

Mostly clear. High 75°, low 62°.

Pressure30.15 inHg
Wind10.8 mph NE
Humidity55%
Visibility
Dew point55°
Sat, 1575° / 56°0Partly cloudy
MorningPartly cloudy61°feels 61°
AfternoonPartly cloudy73°feels 73°
EveningPartly cloudy68°feels 68°
OvernightPartly cloudy61°feels 61°
75 °Partly cloudy

Williamson, Saturday, 15 August

Partly cloudy. High 75°, low 56°.

Pressure30.30 inHg
Wind8.7 mph E
Humidity57%
Visibility
Dew point55°
Sun, 1674° / 59°0.04Light rain
MorningLight rain64°feels 64°
AfternoonLight rain74°feels 74°
EveningLight rain72°feels 73°
OvernightLight rain70°feels 71°
74 °Light rain

Williamson, Sunday, 16 August

Light rain. High 74°, low 59°.

Pressure30.18 inHg
Wind10.9 mph SE
Humidity74%
Visibility
Dew point63°
Mon, 1792° / 69°0.19Light rain
MorningLight rain76°feels 79°
AfternoonLight rain87°feels 95°
EveningLight rain83°feels 92°
OvernightLight rain76°feels 78°
92 °Light rain

Williamson, Monday, 17 August

Light rain. High 92°, low 69°.

Pressure29.94 inHg
Wind16.7 mph S
Humidity64%
Visibility
Dew point71°

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 Williamson, 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.