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As of 20:03 CDT

Weather in Tennessee, IL

54°Current weather

Tennessee, Tuesday, 20 October, 20:03

Clear. Feels like 53°. High 72°, low 43°.

Pressure30.30 inHg
Wind0 mph N
Humidity76%
Visibility6.2 mi
Dew point46°
Wed, 2174° / 46°0Overcast
74 °Overcast

Tennessee, Wednesday, 21 October

Overcast. High 74°, low 46°.

Pressure30.24 inHg
Wind3.8 mph SW
Humidity48%
Visibility6.2 mi
Dew point48°
Thu, 2275° / 48°0Clear
75 °Clear

Tennessee, Thursday, 22 October

Clear. High 75°, low 48°.

Pressure30.27 inHg
Wind2.5 mph E
Humidity47%
Visibility6.2 mi
Dew point50°
Fri, 2373° / 53°0Clear
73 °Clear

Tennessee, Friday, 23 October

Clear. High 73°, low 53°.

Pressure30.30 inHg
Wind6.8 mph S
Humidity55%
Visibility6.2 mi
Dew point53°
Sat, 2471° / 52°0Overcast
71 °Overcast

Tennessee, Saturday, 24 October

Overcast. High 71°, low 52°.

Pressure30.33 inHg
Wind8.4 mph S
Humidity56%
Visibility6.2 mi
Dew point50°
Sun, 2575° / 53°0Overcast
75 °Overcast

Tennessee, Sunday, 25 October

Overcast. High 75°, low 53°.

Pressure30.33 inHg
Wind5.6 mph S
Humidity48%
Visibility—
Dew point49°
Mon, 2672° / 56°0Overcast
72 °Overcast

Tennessee, Monday, 26 October

Overcast. High 72°, low 56°.

Pressure30.15 inHg
Wind10.7 mph N
Humidity45%
Visibility—
Dew point47°
Tue, 2754° / 44°0.08Light rain
54 °Light rain

Tennessee, Tuesday, 27 October

Light rain. High 54°, low 44°.

Pressure30.30 inHg
Wind12.1 mph N
Humidity86%
Visibility—
Dew point42°
Wed, 2845° / 38°0.01Light rain
45 °Light rain

Tennessee, Wednesday, 28 October

Light rain. High 45°, low 38°.

Pressure30.27 inHg
Wind16 mph NW
Humidity69%
Visibility—
Dew point33°
Thu, 2951° / 35°0Clear
51 °Clear

Tennessee, Thursday, 29 October

Clear. High 51°, low 35°.

Pressure30.30 inHg
Wind11.5 mph NW
Humidity47%
Visibility—
Dew point29°
Fri, 3053° / 31°0Clear
53 °Clear

Tennessee, Friday, 30 October

Clear. High 53°, low 31°.

Pressure30.24 inHg
Wind11.8 mph SE
Humidity33%
Visibility—
Dew point20°
Sat, 3152° / 42°0.03Light rain
52 °Light rain

Tennessee, Saturday, 31 October

Light rain. High 52°, low 42°.

Pressure29.94 inHg
Wind15.9 mph S
Humidity42%
Visibility—
Dew point28°
Sun, 0171° / 49°0.07Light rain
71 °Light rain

Tennessee, Sunday, 1 November

Light rain. High 71°, low 49°.

Pressure29.74 inHg
Wind19.3 mph S
Humidity62%
Visibility—
Dew point52°
Mon, 0264° / 42°0.06Light rain
64 °Light rain

Tennessee, Monday, 2 November

Light rain. High 64°, low 42°.

Pressure30.21 inHg
Wind18.2 mph NW
Humidity38%
Visibility—
Dew point31°
Tue, 0355° / 37°0Clear
55 °Clear

Tennessee, Tuesday, 3 November

Clear. High 55°, low 37°.

Pressure30.50 inHg
Wind7.9 mph SE
Humidity28%
Visibility—
Dew point19°
Wed, 0456° / 41°0Overcast
56 °Overcast

Tennessee, Wednesday, 4 November

Overcast. High 56°, low 41°.

Pressure30.30 inHg
Wind8.1 mph W
Humidity34%
Visibility—
Dew point26°

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 Tennessee, 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 Tennessee, 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.