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As of 05:30 CST

Weather in Somonauk, IL

37°Current weather

Somonauk, Wednesday, 11 November, 05:30

Overcast. Feels like 35°. High 55°, low 37°.

Pressure29.91 inHg
Wind3.8 mph E
Humidity91%
Visibility6.2 mi
Dew point35°
Thu, 1246° / 35°0Overcast
46 °Overcast

Somonauk, Thursday, 12 November

Overcast. High 46°, low 35°.

Pressure29.97 inHg
Wind17.3 mph N
Humidity63%
Visibility6.2 mi
Dew point27°
Fri, 1342° / 31°0Partly cloudy
42 °Partly cloudy

Somonauk, Friday, 13 November

Partly cloudy. High 42°, low 31°.

Pressure30.06 inHg
Wind14.5 mph N
Humidity64%
Visibility6.2 mi
Dew point24°
Sat, 1443° / 28°0Clear
43 °Clear

Somonauk, Saturday, 14 November

Clear. High 43°, low 28°.

Pressure30.24 inHg
Wind7.8 mph NW
Humidity64%
Visibility6.2 mi
Dew point25°
Sun, 1547° / 29°0Clear
47 °Clear

Somonauk, Sunday, 15 November

Clear. High 47°, low 29°.

Pressure30.39 inHg
Wind3.9 mph NW
Humidity58%
Visibility—
Dew point30°
Mon, 1648° / 31°0Clear
48 °Clear

Somonauk, Monday, 16 November

Clear. High 48°, low 31°.

Pressure30.47 inHg
Wind5.2 mph E
Humidity56%
Visibility—
Dew point31°
Tue, 1748° / 36°0Partly cloudy
48 °Partly cloudy

Somonauk, Tuesday, 17 November

Partly cloudy. High 48°, low 36°.

Pressure30.42 inHg
Wind6.5 mph SE
Humidity52%
Visibility—
Dew point29°
Wed, 1850° / 35°0Clear
50 °Clear

Somonauk, Wednesday, 18 November

Clear. High 50°, low 35°.

Pressure30.30 inHg
Wind10.8 mph S
Humidity49%
Visibility—
Dew point29°
Thu, 1950° / 40°0Overcast
50 °Overcast

Somonauk, Thursday, 19 November

Overcast. High 50°, low 40°.

Pressure30.06 inHg
Wind13.5 mph S
Humidity62%
Visibility—
Dew point33°
Fri, 2050° / 47°1.56Rain
50 °Rain

Somonauk, Friday, 20 November

Rain. High 50°, low 47°.

Pressure30.00 inHg
Wind10.8 mph E
Humidity99%
Visibility—
Dew point47°
Sat, 2149° / 38°1.42Heavy rain
49 °Heavy rain

Somonauk, Saturday, 21 November

Heavy rain. High 49°, low 38°.

Pressure29.65 inHg
Wind19 mph N
Humidity97%
Visibility—
Dew point48°
Sun, 2237° / 28°0Light snow
37 °Light snow

Somonauk, Sunday, 22 November

Light snow. High 37°, low 28°.

Pressure30.03 inHg
Wind18.3 mph N
Humidity69%
Visibility—
Dew point25°
Mon, 2328° / 22°0.11Light snow
28 °Light snow

Somonauk, Monday, 23 November

Light snow. High 28°, low 22°.

Pressure30.12 inHg
Wind19.8 mph NW
Humidity81%
Visibility—
Dew point22°
Tue, 2432° / 19°0Mostly clear
32 °Mostly clear

Somonauk, Tuesday, 24 November

Mostly clear. High 32°, low 19°.

Pressure30.30 inHg
Wind12.7 mph SW
Humidity41%
Visibility—
Dew point8°
Wed, 2539° / 26°0Overcast
39 °Overcast

Somonauk, Wednesday, 25 November

Overcast. High 39°, low 26°.

Pressure30.09 inHg
Wind10.6 mph SW
Humidity66%
Visibility—
Dew point27°
Thu, 2645° / 33°0Clear
45 °Clear

Somonauk, Thursday, 26 November

Clear. High 45°, low 33°.

Pressure30.09 inHg
Wind9.9 mph W
Humidity77%
Visibility—
Dew point37°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Somonauk, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Somonauk, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.