EN
English Español

As of 09:45 CDT

Weather in Williamson, IL

69°Current weather

Williamson, Thursday, 15 October, 09:45

Light rain. Feels like 70°. High 80°, low 67°.

Pressure30.00 inHg
Wind8.5 mph SE
Humidity96%
Visibility4.9 mi
Dew point68°

10-day forecast for Williamson, IL: 41° to 80°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

76°
Best day: Friday, October 23
61° · 0.06 in
Worst day: Friday, October 16

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

Fri, 1661° / 51°0.06Light rain
MorningMostly clear54°feels 51°
AfternoonLight rain58°feels 56°
EveningOvercast55°feels 53°
OvernightOvercast58°feels 57°
61 °Light rain

Williamson, Friday, 16 October

Light rain. High 61°, low 51°.

Pressure30.21 inHg
Wind18.6 mph NW
Humidity50%
Visibility6.2 mi
Dew point37°
Sat, 1759° / 41°0Clear
MorningClear43°feels 38°
AfternoonClear58°feels 55°
EveningClear50°feels 50°
OvernightClear47°feels 42°
59 °Clear

Williamson, Saturday, 17 October

Clear. High 59°, low 41°.

Pressure30.56 inHg
Wind2.7 mph NE
Humidity41%
Visibility6.2 mi
Dew point30°
Sun, 1863° / 42°0Clear
MorningClear44°feels 40°
AfternoonClear62°feels 60°
EveningClear53°feels 51°
OvernightClear44°feels 41°
63 °Clear

Williamson, Sunday, 18 October

Clear. High 63°, low 42°.

Pressure30.47 inHg
Wind8.6 mph S
Humidity37%
Visibility6.2 mi
Dew point33°
Mon, 1969° / 43°0Clear
MorningMostly clear48°feels 46°
AfternoonClear66°feels 64°
EveningClear58°feels 57°
OvernightClear47°feels 44°
69 °Clear

Williamson, Monday, 19 October

Clear. High 69°, low 43°.

Pressure30.36 inHg
Wind7.4 mph S
Humidity39%
Visibility—
Dew point38°
Tue, 2071° / 47°0Overcast
MorningOvercast53°feels 53°
AfternoonOvercast69°feels 67°
EveningOvercast61°feels 59°
OvernightOvercast56°feels 55°
71 °Overcast

Williamson, Tuesday, 20 October

Overcast. High 71°, low 47°.

Pressure30.33 inHg
Wind5.5 mph S
Humidity40%
Visibility—
Dew point42°
Wed, 2174° / 54°0Overcast
MorningOvercast59°feels 58°
AfternoonOvercast71°feels 70°
EveningOvercast64°feels 62°
OvernightOvercast58°feels 57°
74 °Overcast

Williamson, Wednesday, 21 October

Overcast. High 74°, low 54°.

Pressure30.30 inHg
Wind6.3 mph E
Humidity39%
Visibility—
Dew point44°
Thu, 2274° / 54°0Partly cloudy
MorningPartly cloudy60°feels 58°
AfternoonPartly cloudy72°feels 71°
EveningPartly cloudy65°feels 63°
OvernightPartly cloudy60°feels 58°
74 °Partly cloudy

Williamson, Thursday, 22 October

Partly cloudy. High 74°, low 54°.

Pressure30.21 inHg
Wind6.8 mph SE
Humidity34%
Visibility—
Dew point41°
Fri, 2376° / 55°0Overcast
MorningOvercast61°feels 59°
AfternoonOvercast73°feels 72°
EveningOvercast65°feels 64°
OvernightOvercast62°feels 60°
76 °Overcast

Williamson, Friday, 23 October

Overcast. High 76°, low 55°.

Pressure30.18 inHg
Wind13.1 mph SE
Humidity30%
Visibility—
Dew point39°
Sat, 2474° / 57°0Overcast
MorningOvercast62°feels 61°
AfternoonOvercast72°feels 71°
EveningOvercast66°feels 65°
OvernightOvercast64°feels 63°
74 °Overcast

Williamson, Saturday, 24 October

Overcast. High 74°, low 57°.

Pressure30.15 inHg
Wind14.9 mph S
Humidity38%
Visibility—
Dew point44°

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.