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As of 06:15 CDT

Weather in Latham, IL

39°Current weather

Latham, Wednesday, 21 October, 06:15

Clear. Feels like 39°. High 74°, low 39°.

Pressure30.27 inHg
Wind1.5 mph SE
Humidity87%
Visibility6.2 mi
Dew point37°
Thu, 2275° / 48°0Clear
75 °Clear

Latham, Thursday, 22 October

Clear. High 75°, low 48°.

Pressure30.27 inHg
Wind1.5 mph NE
Humidity43%
Visibility6.2 mi
Dew point48°
Fri, 2372° / 51°0Clear
72 °Clear

Latham, Friday, 23 October

Clear. High 72°, low 51°.

Pressure30.30 inHg
Wind6.9 mph S
Humidity46%
Visibility6.2 mi
Dew point48°
Sat, 2471° / 51°0Overcast
71 °Overcast

Latham, Saturday, 24 October

Overcast. High 71°, low 51°.

Pressure30.36 inHg
Wind8.7 mph S
Humidity47%
Visibility6.2 mi
Dew point48°
Sun, 2574° / 52°0Overcast
74 °Overcast

Latham, Sunday, 25 October

Overcast. High 74°, low 52°.

Pressure30.36 inHg
Wind6 mph SE
Humidity42%
Visibility—
Dew point46°
Mon, 2673° / 55°0Overcast
73 °Overcast

Latham, Monday, 26 October

Overcast. High 73°, low 55°.

Pressure30.24 inHg
Wind7.3 mph SW
Humidity39%
Visibility—
Dew point44°
Tue, 2762° / 55°0.03Light rain
62 °Light rain

Latham, Tuesday, 27 October

Light rain. High 62°, low 55°.

Pressure30.18 inHg
Wind7.4 mph N
Humidity73%
Visibility—
Dew point49°
Wed, 2864° / 52°0.01Light rain
64 °Light rain

Latham, Wednesday, 28 October

Light rain. High 64°, low 52°.

Pressure30.12 inHg
Wind8.9 mph SW
Humidity55%
Visibility—
Dew point46°
Thu, 2954° / 42°0.02Light rain
54 °Light rain

Latham, Thursday, 29 October

Light rain. High 54°, low 42°.

Pressure30.27 inHg
Wind18.2 mph W
Humidity59%
Visibility—
Dew point34°
Fri, 3056° / 39°0Overcast
56 °Overcast

Latham, Friday, 30 October

Overcast. High 56°, low 39°.

Pressure30.30 inHg
Wind7.7 mph NE
Humidity34%
Visibility—
Dew point25°
Sat, 3155° / 40°0.01Light rain
55 °Light rain

Latham, Saturday, 31 October

Light rain. High 55°, low 40°.

Pressure30.24 inHg
Wind14 mph SE
Humidity36%
Visibility—
Dew point25°
Sun, 0155° / 48°0.6Rain
55 °Rain

Latham, Sunday, 1 November

Rain. High 55°, low 48°.

Pressure30.00 inHg
Wind16.7 mph S
Humidity90%
Visibility—
Dew point50°
Mon, 0263° / 55°0.12Light rain
63 °Light rain

Latham, Monday, 2 November

Light rain. High 63°, low 55°.

Pressure29.94 inHg
Wind10.6 mph SW
Humidity71%
Visibility—
Dew point53°
Tue, 0367° / 56°0.02Light rain
67 °Light rain

Latham, Tuesday, 3 November

Light rain. High 67°, low 56°.

Pressure29.94 inHg
Wind11.9 mph SE
Humidity58%
Visibility—
Dew point49°
Wed, 0470° / 61°1.56Heavy rain
70 °Heavy rain

Latham, Wednesday, 4 November

Heavy rain. High 70°, low 61°.

Pressure29.74 inHg
Wind20.3 mph S
Humidity96%
Visibility—
Dew point63°
Thu, 0571° / 63°0.11Light rain
71 °Light rain

Latham, Thursday, 5 November

Light rain. High 71°, low 63°.

Pressure29.91 inHg
Wind16.6 mph SW
Humidity58%
Visibility—
Dew point55°

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.