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As of 05:19 CST

Weather in Somonauk, IL

25°Current weather

Somonauk, Sunday, 15 November, 05:19

Clear. Feels like 19°. High 51°, low 25°.

Pressure30.39 inHg
Wind4.7 mph NW
Humidity90%
Visibility6.2 mi
Dew point24°
Mon, 1654° / 32°0Clear
54 °Clear

Somonauk, Monday, 16 November

Clear. High 54°, low 32°.

Pressure30.50 inHg
Wind8.6 mph SW
Humidity51%
Visibility6.2 mi
Dew point33°
Tue, 1755° / 34°0Clear
55 °Clear

Somonauk, Tuesday, 17 November

Clear. High 55°, low 34°.

Pressure30.47 inHg
Wind9.1 mph SW
Humidity58%
Visibility6.2 mi
Dew point38°
Wed, 1856° / 39°0Overcast
56 °Overcast

Somonauk, Wednesday, 18 November

Overcast. High 56°, low 39°.

Pressure30.30 inHg
Wind13.5 mph S
Humidity57%
Visibility6.2 mi
Dew point40°
Thu, 1962° / 46°0Clear
62 °Clear

Somonauk, Thursday, 19 November

Clear. High 62°, low 46°.

Pressure30.18 inHg
Wind15.3 mph SW
Humidity59%
Visibility—
Dew point44°
Fri, 2056° / 37°0Mostly clear
56 °Mostly clear

Somonauk, Friday, 20 November

Mostly clear. High 56°, low 37°.

Pressure30.30 inHg
Wind8.4 mph SE
Humidity57%
Visibility—
Dew point37°
Sat, 2156° / 49°0.2Rain
56 °Rain

Somonauk, Saturday, 21 November

Rain. High 56°, low 49°.

Pressure29.97 inHg
Wind19.1 mph SW
Humidity68%
Visibility—
Dew point44°
Sun, 2247° / 36°0Overcast
47 °Overcast

Somonauk, Sunday, 22 November

Overcast. High 47°, low 36°.

Pressure30.24 inHg
Wind20.4 mph W
Humidity55%
Visibility—
Dew point30°
Mon, 2341° / 28°0Clear
41 °Clear

Somonauk, Monday, 23 November

Clear. High 41°, low 28°.

Pressure30.53 inHg
Wind9.5 mph N
Humidity57%
Visibility—
Dew point25°
Tue, 2443° / 29°0Partly cloudy
43 °Partly cloudy

Somonauk, Tuesday, 24 November

Partly cloudy. High 43°, low 29°.

Pressure30.53 inHg
Wind7.2 mph S
Humidity41%
Visibility—
Dew point18°
Wed, 2549° / 32°0Mostly clear
49 °Mostly clear

Somonauk, Wednesday, 25 November

Mostly clear. High 49°, low 32°.

Pressure30.39 inHg
Wind10.8 mph S
Humidity36%
Visibility—
Dew point20°
Thu, 2656° / 39°0Overcast
56 °Overcast

Somonauk, Thursday, 26 November

Overcast. High 56°, low 39°.

Pressure30.27 inHg
Wind10.9 mph SW
Humidity55%
Visibility—
Dew point37°
Fri, 2754° / 42°0Overcast
54 °Overcast

Somonauk, Friday, 27 November

Overcast. High 54°, low 42°.

Pressure30.33 inHg
Wind6 mph S
Humidity53%
Visibility—
Dew point35°
Sat, 2856° / 44°0Overcast
56 °Overcast

Somonauk, Saturday, 28 November

Overcast. High 56°, low 44°.

Pressure30.36 inHg
Wind2.5 mph E
Humidity51%
Visibility—
Dew point36°
Sun, 2956° / 44°0Overcast
56 °Overcast

Somonauk, Sunday, 29 November

Overcast. High 56°, low 44°.

Pressure30.30 inHg
Wind3.8 mph NE
Humidity58%
Visibility—
Dew point39°
Mon, 3052° / 46°0Overcast
52 °Overcast

Somonauk, Monday, 30 November

Overcast. High 52°, low 46°.

Pressure30.15 inHg
Wind7.1 mph NE
Humidity73%
Visibility—
Dew point42°

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.