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As of 20:10 CDT

Weather in Union, IL

62°Current weather

Union, Wednesday, 7 October, 20:10

Clear. Feels like 61°. High 77°, low 55°.

Pressure29.88 inHg
Wind7.5 mph W
Humidity52%
Visibility6.2 mi
Dew point45°
Thu, 0870° / 50°0Overcast
70 °Overcast

Union, Thursday, 8 October

Overcast. High 70°, low 50°.

Pressure30.09 inHg
Wind7.7 mph NW
Humidity43%
Visibility6.2 mi
Dew point41°
Fri, 0976° / 51°0.27Heavy rain
76 °Heavy rain

Union, Friday, 9 October

Heavy rain. High 76°, low 51°.

Pressure30.12 inHg
Wind10.5 mph SE
Humidity50%
Visibility6.2 mi
Dew point50°
Sat, 1079° / 60°0Clear
79 °Clear

Union, Saturday, 10 October

Clear. High 79°, low 60°.

Pressure30.12 inHg
Wind9.4 mph S
Humidity54%
Visibility6.2 mi
Dew point57°
Sun, 1170° / 57°0Mostly clear
70 °Mostly clear

Union, Sunday, 11 October

Mostly clear. High 70°, low 57°.

Pressure30.00 inHg
Wind7.5 mph SE
Humidity63%
Visibility6.2 mi
Dew point56°
Mon, 1279° / 55°0.01Light rain
79 °Light rain

Union, Monday, 12 October

Light rain. High 79°, low 55°.

Pressure29.77 inHg
Wind12.2 mph SW
Humidity55%
Visibility—
Dew point57°
Tue, 1364° / 47°0Partly cloudy
64 °Partly cloudy

Union, Tuesday, 13 October

Partly cloudy. High 64°, low 47°.

Pressure30.00 inHg
Wind16.4 mph N
Humidity58%
Visibility—
Dew point45°
Wed, 1462° / 47°0.01Light rain
62 °Light rain

Union, Wednesday, 14 October

Light rain. High 62°, low 47°.

Pressure30.00 inHg
Wind16 mph SE
Humidity58%
Visibility—
Dew point41°
Thu, 1586° / 63°0Partly cloudy
86 °Partly cloudy

Union, Thursday, 15 October

Partly cloudy. High 86°, low 63°.

Pressure29.71 inHg
Wind23.6 mph W
Humidity58%
Visibility—
Dew point64°
Fri, 1662° / 47°0Clear
62 °Clear

Union, Friday, 16 October

Clear. High 62°, low 47°.

Pressure30.27 inHg
Wind16.7 mph NW
Humidity50%
Visibility—
Dew point41°
Sat, 1752° / 41°0Mostly clear
52 °Mostly clear

Union, Saturday, 17 October

Mostly clear. High 52°, low 41°.

Pressure30.33 inHg
Wind15.2 mph N
Humidity49%
Visibility—
Dew point32°
Sun, 1855° / 36°0Clear
55 °Clear

Union, Sunday, 18 October

Clear. High 55°, low 36°.

Pressure30.42 inHg
Wind8.1 mph E
Humidity42%
Visibility—
Dew point29°
Mon, 1957° / 39°0Overcast
57 °Overcast

Union, Monday, 19 October

Overcast. High 57°, low 39°.

Pressure30.47 inHg
Wind15.2 mph S
Humidity48%
Visibility—
Dew point34°
Tue, 2058° / 47°0.13Light rain
58 °Light rain

Union, Tuesday, 20 October

Light rain. High 58°, low 47°.

Pressure30.27 inHg
Wind12.2 mph S
Humidity61%
Visibility—
Dew point42°
Wed, 2160° / 49°0Overcast
60 °Overcast

Union, Wednesday, 21 October

Overcast. High 60°, low 49°.

Pressure30.09 inHg
Wind7.7 mph N
Humidity56%
Visibility—
Dew point43°
Thu, 2259° / 46°0.01Light rain
59 °Light rain

Union, Thursday, 22 October

Light rain. High 59°, low 46°.

Pressure29.83 inHg
Wind9.8 mph N
Humidity52%
Visibility—
Dew point39°

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 Union, 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 Union, 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.