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As of 08:35 CDT

Weather in Tennessee, IL

45°Current weather

Tennessee, Wednesday, 21 October, 08:35

Clear. Feels like 45°. High 74°, low 45°.

Pressure30.27 inHg
Wind0 mph N
Humidity100%
Visibility6.2 mi
Dew point45°
Thu, 2275° / 48°0Clear
75 °Clear

Tennessee, Thursday, 22 October

Clear. High 75°, low 48°.

Pressure30.27 inHg
Wind1 mph S
Humidity49%
Visibility6.2 mi
Dew point51°
Fri, 2372° / 52°0Clear
72 °Clear

Tennessee, Friday, 23 October

Clear. High 72°, low 52°.

Pressure30.30 inHg
Wind6.5 mph S
Humidity51%
Visibility6.2 mi
Dew point51°
Sat, 2470° / 52°0Overcast
70 °Overcast

Tennessee, Saturday, 24 October

Overcast. High 70°, low 52°.

Pressure30.33 inHg
Wind8.1 mph S
Humidity53%
Visibility6.2 mi
Dew point50°
Sun, 2574° / 52°0Overcast
74 °Overcast

Tennessee, Sunday, 25 October

Overcast. High 74°, low 52°.

Pressure30.33 inHg
Wind6 mph S
Humidity49%
Visibility—
Dew point49°
Mon, 2671° / 55°0Overcast
71 °Overcast

Tennessee, Monday, 26 October

Overcast. High 71°, low 55°.

Pressure30.21 inHg
Wind8.6 mph S
Humidity40%
Visibility—
Dew point44°
Tue, 2765° / 53°0Overcast
65 °Overcast

Tennessee, Tuesday, 27 October

Overcast. High 65°, low 53°.

Pressure30.27 inHg
Wind10 mph E
Humidity53%
Visibility—
Dew point46°
Wed, 2872° / 54°0Clear
72 °Clear

Tennessee, Wednesday, 28 October

Clear. High 72°, low 54°.

Pressure30.06 inHg
Wind15.2 mph SW
Humidity53%
Visibility—
Dew point51°
Thu, 2960° / 45°0.1Light rain
60 °Light rain

Tennessee, Thursday, 29 October

Light rain. High 60°, low 45°.

Pressure30.21 inHg
Wind12.2 mph N
Humidity71%
Visibility—
Dew point46°
Fri, 3060° / 40°0Overcast
60 °Overcast

Tennessee, Friday, 30 October

Overcast. High 60°, low 40°.

Pressure30.21 inHg
Wind14.3 mph SE
Humidity35%
Visibility—
Dew point29°
Sat, 3165° / 56°0.35Rain
65 °Rain

Tennessee, Saturday, 31 October

Rain. High 65°, low 56°.

Pressure29.83 inHg
Wind18.6 mph S
Humidity71%
Visibility—
Dew point54°
Sun, 0161° / 58°1.36Rain
61 °Rain

Tennessee, Sunday, 1 November

Rain. High 61°, low 58°.

Pressure29.80 inHg
Wind18.7 mph S
Humidity94%
Visibility—
Dew point58°
Mon, 0258° / 52°0.31Rain
58 °Rain

Tennessee, Monday, 2 November

Rain. High 58°, low 52°.

Pressure29.83 inHg
Wind15 mph N
Humidity94%
Visibility—
Dew point55°
Tue, 0352° / 51°0.18Light rain
52 °Light rain

Tennessee, Tuesday, 3 November

Light rain. High 52°, low 51°.

Pressure29.74 inHg
Wind17.8 mph N
Humidity91%
Visibility—
Dew point49°
Wed, 0455° / 51°0.61Rain
55 °Rain

Tennessee, Wednesday, 4 November

Rain. High 55°, low 51°.

Pressure29.38 inHg
Wind15.9 mph N
Humidity97%
Visibility—
Dew point54°
Thu, 0550° / 47°0.1Light rain
50 °Light rain

Tennessee, Thursday, 5 November

Light rain. High 50°, low 47°.

Pressure29.56 inHg
Wind13.5 mph SW
Humidity90%
Visibility—
Dew point45°

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.