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As of 11:27 CDT

Weather in Somonauk, IL

56°Current weather

Somonauk, Friday, 30 October, 11:27

Overcast. Feels like 55°. High 57°, low 44°.

Pressure30.39 inHg
Wind5.4 mph E
Humidity80%
Visibility6.2 mi
Dew point49°
Sat, 3167° / 50°0.6Heavy rain
67 °Heavy rain

Somonauk, Saturday, 31 October

Heavy rain. High 67°, low 50°.

Pressure30.33 inHg
Wind7.7 mph SE
Humidity56%
Visibility6.2 mi
Dew point46°
Sun, 0165° / 55°0Overcast
65 °Overcast

Somonauk, Sunday, 1 November

Overcast. High 65°, low 55°.

Pressure30.33 inHg
Wind5.4 mph E
Humidity75%
Visibility6.2 mi
Dew point53°
Mon, 0264° / 53°0.02Light rain
64 °Light rain

Somonauk, Monday, 2 November

Light rain. High 64°, low 53°.

Pressure30.12 inHg
Wind9 mph S
Humidity78%
Visibility6.2 mi
Dew point53°
Tue, 0368° / 63°0.06Light rain
68 °Light rain

Somonauk, Tuesday, 3 November

Light rain. High 68°, low 63°.

Pressure29.85 inHg
Wind15 mph S
Humidity80%
Visibility—
Dew point60°
Wed, 0464° / 58°0.67Rain
64 °Rain

Somonauk, Wednesday, 4 November

Rain. High 64°, low 58°.

Pressure29.65 inHg
Wind10.4 mph S
Humidity95%
Visibility—
Dew point62°
Thu, 0557° / 53°0.06Light rain
57 °Light rain

Somonauk, Thursday, 5 November

Light rain. High 57°, low 53°.

Pressure29.74 inHg
Wind16.3 mph N
Humidity81%
Visibility—
Dew point49°
Fri, 0652° / 48°0Overcast
52 °Overcast

Somonauk, Friday, 6 November

Overcast. High 52°, low 48°.

Pressure29.91 inHg
Wind13.2 mph N
Humidity72%
Visibility—
Dew point42°
Sat, 0751° / 41°0Clear
51 °Clear

Somonauk, Saturday, 7 November

Clear. High 51°, low 41°.

Pressure30.15 inHg
Wind11.5 mph N
Humidity56%
Visibility—
Dew point34°
Sun, 0848° / 38°0Overcast
48 °Overcast

Somonauk, Sunday, 8 November

Overcast. High 48°, low 38°.

Pressure30.36 inHg
Wind10.8 mph E
Humidity52%
Visibility—
Dew point30°
Mon, 0947° / 43°0.01Light rain
47 °Light rain

Somonauk, Monday, 9 November

Light rain. High 47°, low 43°.

Pressure30.15 inHg
Wind12 mph E
Humidity51%
Visibility—
Dew point29°
Tue, 1045° / 42°0.07Light rain
45 °Light rain

Somonauk, Tuesday, 10 November

Light rain. High 45°, low 42°.

Pressure29.94 inHg
Wind15.8 mph NE
Humidity70%
Visibility—
Dew point35°
Wed, 1149° / 36°0Clear
49 °Clear

Somonauk, Wednesday, 11 November

Clear. High 49°, low 36°.

Pressure30.00 inHg
Wind11.5 mph N
Humidity57%
Visibility—
Dew point32°
Thu, 1251° / 36°0Clear
51 °Clear

Somonauk, Thursday, 12 November

Clear. High 51°, low 36°.

Pressure29.91 inHg
Wind7.5 mph SE
Humidity53%
Visibility—
Dew point31°
Fri, 1348° / 41°0.24Rain
48 °Rain

Somonauk, Friday, 13 November

Rain. High 48°, low 41°.

Pressure29.68 inHg
Wind16 mph SE
Humidity88%
Visibility—
Dew point38°
Sat, 1453° / 47°0.23Light rain
53 °Light rain

Somonauk, Saturday, 14 November

Light rain. High 53°, low 47°.

Pressure29.56 inHg
Wind11.2 mph SE
Humidity68%
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.