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As of 21:20 CDT

Weather in Deer Grove, IL

52°Current weather

Deer Grove, Wednesday, 21 October, 21:20

Clear. Feels like 51°. High 73°, low 43°.

Pressure30.18 inHg
Wind0 mph N
Humidity82%
Visibility6.2 mi
Dew point47°
Thu, 2275° / 48°0Clear
75 °Clear

Deer Grove, Thursday, 22 October

Clear. High 75°, low 48°.

Pressure30.27 inHg
Wind2.3 mph S
Humidity49%
Visibility6.2 mi
Dew point50°
Fri, 2373° / 48°0Clear
73 °Clear

Deer Grove, Friday, 23 October

Clear. High 73°, low 48°.

Pressure30.30 inHg
Wind7.5 mph S
Humidity51%
Visibility6.2 mi
Dew point50°
Sat, 2470° / 51°0Overcast
70 °Overcast

Deer Grove, Saturday, 24 October

Overcast. High 70°, low 51°.

Pressure30.36 inHg
Wind8.5 mph S
Humidity56%
Visibility6.2 mi
Dew point50°
Sun, 2573° / 51°0Partly cloudy
73 °Partly cloudy

Deer Grove, Sunday, 25 October

Partly cloudy. High 73°, low 51°.

Pressure30.36 inHg
Wind5 mph S
Humidity53%
Visibility6.2 mi
Dew point50°
Mon, 2672° / 51°0Overcast
72 °Overcast

Deer Grove, Monday, 26 October

Overcast. High 72°, low 51°.

Pressure30.30 inHg
Wind6.4 mph E
Humidity51%
Visibility—
Dew point49°
Tue, 2759° / 52°0.17Light rain
59 °Light rain

Deer Grove, Tuesday, 27 October

Light rain. High 59°, low 52°.

Pressure30.18 inHg
Wind6.6 mph E
Humidity82%
Visibility—
Dew point51°
Wed, 2851° / 39°0.03Light rain
51 °Light rain

Deer Grove, Wednesday, 28 October

Light rain. High 51°, low 39°.

Pressure30.33 inHg
Wind15 mph N
Humidity75%
Visibility—
Dew point35°
Thu, 2953° / 36°0Clear
53 °Clear

Deer Grove, Thursday, 29 October

Clear. High 53°, low 36°.

Pressure30.33 inHg
Wind6.3 mph S
Humidity46%
Visibility—
Dew point29°
Fri, 3059° / 40°0Partly cloudy
59 °Partly cloudy

Deer Grove, Friday, 30 October

Partly cloudy. High 59°, low 40°.

Pressure30.15 inHg
Wind15.8 mph S
Humidity42%
Visibility—
Dew point32°
Sat, 3163° / 51°0.06Light rain
63 °Light rain

Deer Grove, Saturday, 31 October

Light rain. High 63°, low 51°.

Pressure29.97 inHg
Wind16.7 mph S
Humidity50%
Visibility—
Dew point42°
Sun, 0155° / 53°1.01Rain
55 °Rain

Deer Grove, Sunday, 1 November

Rain. High 55°, low 53°.

Pressure29.88 inHg
Wind19.5 mph S
Humidity94%
Visibility—
Dew point52°
Mon, 0253° / 41°0.26Rain
53 °Rain

Deer Grove, Monday, 2 November

Rain. High 53°, low 41°.

Pressure30.18 inHg
Wind18.9 mph NW
Humidity47%
Visibility—
Dew point29°
Tue, 0351° / 35°0Overcast
51 °Overcast

Deer Grove, Tuesday, 3 November

Overcast. High 51°, low 35°.

Pressure30.30 inHg
Wind12.3 mph W
Humidity42%
Visibility—
Dew point25°
Wed, 0456° / 42°0Overcast
56 °Overcast

Deer Grove, Wednesday, 4 November

Overcast. High 56°, low 42°.

Pressure29.74 inHg
Wind20.2 mph SW
Humidity71%
Visibility—
Dew point44°
Thu, 0557° / 39°0Overcast
57 °Overcast

Deer Grove, Thursday, 5 November

Overcast. High 57°, low 39°.

Pressure29.74 inHg
Wind23.8 mph NW
Humidity54%
Visibility—
Dew point33°

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 Deer Grove, 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 Deer Grove, 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.