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As of 04:39 CDT

Weather in Lester, IL

54°Current weather

Lester, Monday, 26 October, 04:39

Clear. Feels like 53°. High 77°, low 53°.

Pressure30.33 inHg
Wind4.1 mph SW
Humidity87%
Visibility6.2 mi
Dew point50°
Tue, 2775° / 50°0Overcast
75 °Overcast

Lester, Tuesday, 27 October

Overcast. High 75°, low 50°.

Pressure30.27 inHg
Wind5.3 mph S
Humidity51%
Visibility6.2 mi
Dew point51°
Wed, 2874° / 54°0Clear
74 °Clear

Lester, Wednesday, 28 October

Clear. High 74°, low 54°.

Pressure30.21 inHg
Wind6.6 mph S
Humidity49%
Visibility6.2 mi
Dew point51°
Thu, 2978° / 56°0Clear
78 °Clear

Lester, Thursday, 29 October

Clear. High 78°, low 56°.

Pressure30.15 inHg
Wind9.4 mph SW
Humidity51%
Visibility6.2 mi
Dew point54°
Fri, 3077° / 57°0Overcast
77 °Overcast

Lester, Friday, 30 October

Overcast. High 77°, low 57°.

Pressure30.15 inHg
Wind6.3 mph S
Humidity51%
Visibility—
Dew point55°
Sat, 3172° / 60°0Overcast
72 °Overcast

Lester, Saturday, 31 October

Overcast. High 72°, low 60°.

Pressure30.15 inHg
Wind5.3 mph SE
Humidity53%
Visibility—
Dew point52°
Sun, 0167° / 60°0.27Light rain
67 °Light rain

Lester, Sunday, 1 November

Light rain. High 67°, low 60°.

Pressure30.00 inHg
Wind6.2 mph SE
Humidity83%
Visibility—
Dew point60°
Mon, 0270° / 61°0.2Rain
70 °Rain

Lester, Monday, 2 November

Rain. High 70°, low 61°.

Pressure29.91 inHg
Wind5.9 mph S
Humidity74%
Visibility—
Dew point59°
Tue, 0364° / 52°0.19Light rain
64 °Light rain

Lester, Tuesday, 3 November

Light rain. High 64°, low 52°.

Pressure29.85 inHg
Wind14.3 mph W
Humidity77%
Visibility—
Dew point50°
Wed, 0463° / 48°0Partly cloudy
63 °Partly cloudy

Lester, Wednesday, 4 November

Partly cloudy. High 63°, low 48°.

Pressure29.94 inHg
Wind7.4 mph NW
Humidity51%
Visibility—
Dew point41°
Thu, 0561° / 49°0Overcast
61 °Overcast

Lester, Thursday, 5 November

Overcast. High 61°, low 49°.

Pressure30.06 inHg
Wind5.7 mph NW
Humidity55%
Visibility—
Dew point43°
Fri, 0668° / 49°0Partly cloudy
68 °Partly cloudy

Lester, Friday, 6 November

Partly cloudy. High 68°, low 49°.

Pressure30.00 inHg
Wind7.9 mph W
Humidity49%
Visibility—
Dew point44°
Sat, 0777° / 54°0Overcast
77 °Overcast

Lester, Saturday, 7 November

Overcast. High 77°, low 54°.

Pressure29.83 inHg
Wind14.8 mph SW
Humidity43%
Visibility—
Dew point48°
Sun, 0878° / 59°0Clear
78 °Clear

Lester, Sunday, 8 November

Clear. High 78°, low 59°.

Pressure29.88 inHg
Wind13.4 mph S
Humidity44%
Visibility—
Dew point51°
Mon, 0976° / 60°0Clear
76 °Clear

Lester, Monday, 9 November

Clear. High 76°, low 60°.

Pressure29.88 inHg
Wind19.3 mph S
Humidity41%
Visibility—
Dew point48°
Tue, 1063° / 58°0.04Light rain
63 °Light rain

Lester, Tuesday, 10 November

Light rain. High 63°, low 58°.

Pressure29.94 inHg
Wind12.8 mph SE
Humidity65%
Visibility—
Dew point51°

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 Lester, 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 Lester, 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.