EN
English Español

As of 00:09 CDT

Weather in Williamson, IL

58°Current weather

Williamson, Friday, 16 October, 00:09

Overcast. Feels like 58°. High 59°, low 50°.

Pressure30.00 inHg
Wind16.2 mph NW
Humidity89%
Visibility6.2 mi
Dew point55°

10-day forecast for Williamson, IL: 41° to 77°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

77°
Best day: Friday, October 23
59°
Worst day: Friday, October 16

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

Sat, 1758° / 41°0Clear
MorningClear42°feels 38°
AfternoonClear57°feels 54°
EveningClear49°feels 49°
OvernightClear47°feels 42°
58 °Clear

Williamson, Saturday, 17 October

Clear. High 58°, low 41°.

Pressure30.56 inHg
Wind3.1 mph NE
Humidity43%
Visibility6.2 mi
Dew point32°
Sun, 1863° / 41°0Clear
MorningClear43°feels 39°
AfternoonClear62°feels 59°
EveningClear52°feels 50°
OvernightClear43°feels 42°
63 °Clear

Williamson, Sunday, 18 October

Clear. High 63°, low 41°.

Pressure30.50 inHg
Wind8.2 mph S
Humidity38%
Visibility6.2 mi
Dew point33°
Mon, 1968° / 42°0Clear
MorningClear47°feels 46°
AfternoonClear67°feels 65°
EveningClear56°feels 54°
OvernightClear46°feels 44°
68 °Clear

Williamson, Monday, 19 October

Clear. High 68°, low 42°.

Pressure30.39 inHg
Wind5.2 mph S
Humidity44%
Visibility6.2 mi
Dew point41°
Tue, 2070° / 44°0Overcast
MorningOvercast51°feels 50°
AfternoonOvercast68°feels 66°
EveningOvercast59°feels 57°
OvernightOvercast53°feels 51°
70 °Overcast

Williamson, Tuesday, 20 October

Overcast. High 70°, low 44°.

Pressure30.33 inHg
Wind5 mph E
Humidity34%
Visibility—
Dew point37°
Wed, 2174° / 48°0Mostly clear
MorningMostly clear55°feels 54°
AfternoonMostly clear70°feels 69°
EveningMostly clear62°feels 60°
OvernightMostly clear57°feels 55°
74 °Mostly clear

Williamson, Wednesday, 21 October

Mostly clear. High 74°, low 48°.

Pressure30.27 inHg
Wind5.1 mph SE
Humidity32%
Visibility—
Dew point37°
Thu, 2276° / 53°0Overcast
MorningOvercast59°feels 57°
AfternoonOvercast72°feels 71°
EveningOvercast65°feels 63°
OvernightOvercast60°feels 57°
76 °Overcast

Williamson, Thursday, 22 October

Overcast. High 76°, low 53°.

Pressure30.24 inHg
Wind7.4 mph SE
Humidity28%
Visibility—
Dew point36°
Fri, 2377° / 55°0Overcast
MorningOvercast61°feels 58°
AfternoonOvercast73°feels 72°
EveningOvercast65°feels 63°
OvernightOvercast61°feels 58°
77 °Overcast

Williamson, Friday, 23 October

Overcast. High 77°, low 55°.

Pressure30.15 inHg
Wind10.1 mph SE
Humidity27%
Visibility—
Dew point36°
Sat, 2476° / 57°0Overcast
MorningOvercast62°feels 60°
AfternoonOvercast73°feels 72°
EveningOvercast65°feels 63°
OvernightOvercast60°feels 58°
76 °Overcast

Williamson, Saturday, 24 October

Overcast. High 76°, low 57°.

Pressure30.18 inHg
Wind8.6 mph SE
Humidity30%
Visibility—
Dew point39°
Sun, 2575° / 55°0Overcast
MorningOvercast60°feels 58°
AfternoonOvercast72°feels 70°
EveningOvercast66°feels 64°
OvernightOvercast61°feels 59°
75 °Overcast

Williamson, Sunday, 25 October

Overcast. High 75°, low 55°.

Pressure30.21 inHg
Wind7.3 mph E
Humidity32%
Visibility—
Dew point39°

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.