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As of 15:00 CDT

Weather in Somonauk, IL

70°Current weather

Somonauk, Saturday, 24 October, 15:00

Overcast. Feels like 69°. High 70°, low 48°.

Pressure30.33 inHg
Wind6.8 mph S
Humidity52%
Visibility6.2 mi
Dew point51°
Sun, 2572° / 49°0Overcast
72 °Overcast

Somonauk, Sunday, 25 October

Overcast. High 72°, low 49°.

Pressure30.42 inHg
Wind5.5 mph S
Humidity58%
Visibility6.2 mi
Dew point51°
Mon, 2667° / 49°0Overcast
67 °Overcast

Somonauk, Monday, 26 October

Overcast. High 67°, low 49°.

Pressure30.36 inHg
Wind5.2 mph E
Humidity67%
Visibility6.2 mi
Dew point53°
Tue, 2769° / 49°0.04Light rain
69 °Light rain

Somonauk, Tuesday, 27 October

Light rain. High 69°, low 49°.

Pressure30.24 inHg
Wind5.1 mph SE
Humidity75%
Visibility6.2 mi
Dew point53°
Wed, 2871° / 51°0Clear
71 °Clear

Somonauk, Wednesday, 28 October

Clear. High 71°, low 51°.

Pressure30.18 inHg
Wind8.7 mph S
Humidity61%
Visibility6.2 mi
Dew point52°
Thu, 2971° / 56°0.01Light rain
71 °Light rain

Somonauk, Thursday, 29 October

Light rain. High 71°, low 56°.

Pressure30.12 inHg
Wind9.6 mph SW
Humidity57%
Visibility—
Dew point53°
Fri, 3061° / 54°0Overcast
61 °Overcast

Somonauk, Friday, 30 October

Overcast. High 61°, low 54°.

Pressure30.27 inHg
Wind12.6 mph E
Humidity57%
Visibility—
Dew point46°
Sat, 3167° / 53°0.05Light rain
67 °Light rain

Somonauk, Saturday, 31 October

Light rain. High 67°, low 53°.

Pressure30.21 inHg
Wind13.1 mph SE
Humidity56%
Visibility—
Dew point47°
Sun, 0165° / 57°0.72Rain
65 °Rain

Somonauk, Sunday, 1 November

Rain. High 65°, low 57°.

Pressure29.85 inHg
Wind19.2 mph S
Humidity65%
Visibility—
Dew point52°
Mon, 0261° / 49°0.33Rain
61 °Rain

Somonauk, Monday, 2 November

Rain. High 61°, low 49°.

Pressure29.77 inHg
Wind20.8 mph N
Humidity68%
Visibility—
Dew point49°
Tue, 0353° / 41°0Clear
53 °Clear

Somonauk, Tuesday, 3 November

Clear. High 53°, low 41°.

Pressure30.09 inHg
Wind13.4 mph N
Humidity49%
Visibility—
Dew point32°
Wed, 0450° / 36°0Overcast
50 °Overcast

Somonauk, Wednesday, 4 November

Overcast. High 50°, low 36°.

Pressure30.21 inHg
Wind6.7 mph NW
Humidity39%
Visibility—
Dew point23°
Thu, 0557° / 39°0Overcast
57 °Overcast

Somonauk, Thursday, 5 November

Overcast. High 57°, low 39°.

Pressure30.21 inHg
Wind15.9 mph S
Humidity51%
Visibility—
Dew point35°
Fri, 0662° / 55°0.04Light rain
62 °Light rain

Somonauk, Friday, 6 November

Light rain. High 62°, low 55°.

Pressure30.06 inHg
Wind15.8 mph S
Humidity55%
Visibility—
Dew point43°
Sat, 0763° / 55°0.18Light rain
63 °Light rain

Somonauk, Saturday, 7 November

Light rain. High 63°, low 55°.

Pressure29.94 inHg
Wind15.7 mph S
Humidity60%
Visibility—
Dew point47°
Sun, 0861° / 49°0.17Rain
61 °Rain

Somonauk, Sunday, 8 November

Rain. High 61°, low 49°.

Pressure30.00 inHg
Wind19.7 mph NW
Humidity46%
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.