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As of 17:23 CDT

Weather in Latham, IL

57°Current weather

Latham, Saturday, 17 October, 17:23

Clear. Feels like 55°. High 57°, low 38°.

Pressure30.47 inHg
Wind1.2 mph SW
Humidity52%
Visibility6.2 mi
Dew point39°
Sun, 1862° / 40°0Clear
62 °Clear

Latham, Sunday, 18 October

Clear. High 62°, low 40°.

Pressure30.47 inHg
Wind9.8 mph S
Humidity43%
Visibility6.2 mi
Dew point36°
Mon, 1966° / 41°0Clear
66 °Clear

Latham, Monday, 19 October

Clear. High 66°, low 41°.

Pressure30.42 inHg
Wind3 mph SE
Humidity47%
Visibility6.2 mi
Dew point42°
Tue, 2068° / 42°0Clear
68 °Clear

Latham, Tuesday, 20 October

Clear. High 68°, low 42°.

Pressure30.39 inHg
Wind2.5 mph SE
Humidity43%
Visibility6.2 mi
Dew point43°
Wed, 2170° / 50°0Clear
70 °Clear

Latham, Wednesday, 21 October

Clear. High 70°, low 50°.

Pressure30.27 inHg
Wind0.9 mph SW
Humidity47%
Visibility6.2 mi
Dew point46°
Thu, 2270° / 48°0Clear
70 °Clear

Latham, Thursday, 22 October

Clear. High 70°, low 48°.

Pressure30.27 inHg
Wind6.6 mph NE
Humidity45%
Visibility—
Dew point45°
Fri, 2374° / 51°0Overcast
74 °Overcast

Latham, Friday, 23 October

Overcast. High 74°, low 51°.

Pressure30.24 inHg
Wind7.6 mph SE
Humidity38%
Visibility—
Dew point42°
Sat, 2474° / 55°0Overcast
74 °Overcast

Latham, Saturday, 24 October

Overcast. High 74°, low 55°.

Pressure30.27 inHg
Wind10.5 mph S
Humidity25%
Visibility—
Dew point32°
Sun, 2580° / 59°0Overcast
80 °Overcast

Latham, Sunday, 25 October

Overcast. High 80°, low 59°.

Pressure30.18 inHg
Wind14 mph SW
Humidity23%
Visibility—
Dew point35°
Mon, 2678° / 61°0.04Light rain
78 °Light rain

Latham, Monday, 26 October

Light rain. High 78°, low 61°.

Pressure30.12 inHg
Wind11.5 mph W
Humidity39%
Visibility—
Dew point48°
Tue, 2761° / 48°0.1Light rain
61 °Light rain

Latham, Tuesday, 27 October

Light rain. High 61°, low 48°.

Pressure30.27 inHg
Wind12.9 mph NE
Humidity44%
Visibility—
Dew point38°
Wed, 2863° / 43°0Overcast
63 °Overcast

Latham, Wednesday, 28 October

Overcast. High 63°, low 43°.

Pressure30.27 inHg
Wind13.6 mph SE
Humidity33%
Visibility—
Dew point29°
Thu, 2971° / 49°0.2Light rain
71 °Light rain

Latham, Thursday, 29 October

Light rain. High 71°, low 49°.

Pressure29.94 inHg
Wind14.8 mph S
Humidity80%
Visibility—
Dew point51°
Fri, 3071° / 59°0.78Heavy rain
71 °Heavy rain

Latham, Friday, 30 October

Heavy rain. High 71°, low 59°.

Pressure29.88 inHg
Wind18.1 mph S
Humidity85%
Visibility—
Dew point57°
Sat, 3173° / 57°0.45Rain
73 °Rain

Latham, Saturday, 31 October

Rain. High 73°, low 57°.

Pressure29.85 inHg
Wind22.7 mph S
Humidity68%
Visibility—
Dew point62°
Sun, 0174° / 54°0.03Light rain
74 °Light rain

Latham, Sunday, 1 November

Light rain. High 74°, low 54°.

Pressure30.12 inHg
Wind12.2 mph S
Humidity78%
Visibility—
Dew point61°

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 Latham, 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 Latham, 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.