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As of 11:26 CDT

Weather in Williamson, IL

70°Current weather

Williamson, Thursday, 15 October, 11:26

Overcast. Feels like 71°. High 78°, low 67°.

Pressure29.97 inHg
Wind10.2 mph S
Humidity96%
Visibility5.2 mi
Dew point69°

Two-week outlook for Williamson, IL: week one averages a high of 67.9° and week two 74.8°, so week two runs 6.9° warmer than week one. Around 0.2 inches of precipitation are expected over the 14 days, across 2 wet days. The nearest weekend, October 17: 59°, dry.

Week one vs week two

WeekHighLowPrecipitationVs normal
1st (October 15 – October 21)67.9°49.2°0.2 in / 2 d—
2nd (October 22 – October 28)74.8°55.2°0.0 in / 0 d—

Weekend weather

Sat, October 17
Clear
59°41°
no precip.
Sun, October 18
Clear
63°42°
no precip.
Sat, October 24
Overcast
74°57°
no precip.
Sun, October 25
Clear
71°52°
no precip.
Fri, 1661° / 51°0.06Light rain
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
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
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
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
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
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
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
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
74 °Overcast

Williamson, Saturday, 24 October

Overcast. High 74°, low 57°.

Pressure30.15 inHg
Wind14.9 mph S
Humidity38%
Visibility—
Dew point44°
Sun, 2571° / 52°0Clear
71 °Clear

Williamson, Sunday, 25 October

Clear. High 71°, low 52°.

Pressure30.47 inHg
Wind12.3 mph N
Humidity43%
Visibility—
Dew point43°
Mon, 2675° / 49°0Overcast
75 °Overcast

Williamson, Monday, 26 October

Overcast. High 75°, low 49°.

Pressure30.39 inHg
Wind9.1 mph NE
Humidity46%
Visibility—
Dew point46°
Tue, 2778° / 58°0Overcast
78 °Overcast

Williamson, Tuesday, 27 October

Overcast. High 78°, low 58°.

Pressure30.18 inHg
Wind15.7 mph SW
Humidity31%
Visibility—
Dew point42°
Wed, 2876° / 62°0.03Light rain
76 °Light rain

Williamson, Wednesday, 28 October

Light rain. High 76°, low 62°.

Pressure30.06 inHg
Wind15.4 mph SW
Humidity35%
Visibility—
Dew point44°

About this forecast

Can I plan a trip on a 2-week forecast?

Week one is solid for planning — accuracy is high. Week two shows the trend: go by the averages and the comparison with normal, and check the details closer to the date.

What does the "Vs normal" column mean?

It is the gap between the forecast and the climate normal for those same dates in Williamson, IL, computed over 60 years. A positive value means the week runs warmer than usual.

Why are weekends shown separately?

Saturday and Sunday plans are what people check most, so we give them their own cards with temperature and precipitation.