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As of 22:53 CDT

Weather in Harristown, IL

48°Current weather

Harristown, Friday, 23 October, 22:53

Clear. Feels like 47°. High 74°, low 47°.

Pressure30.30 inHg
Wind3.4 mph E
Humidity81%
Visibility6.2 mi
Dew point43°
Sat, 2472° / 48°0Overcast
72 °Overcast

Harristown, Saturday, 24 October

Overcast. High 72°, low 48°.

Pressure30.36 inHg
Wind6.5 mph SE
Humidity49%
Visibility6.2 mi
Dew point49°
Sun, 2574° / 47°0Overcast
74 °Overcast

Harristown, Sunday, 25 October

Overcast. High 74°, low 47°.

Pressure30.39 inHg
Wind4.4 mph S
Humidity46%
Visibility6.2 mi
Dew point48°
Mon, 2674° / 52°0Partly cloudy
74 °Partly cloudy

Harristown, Monday, 26 October

Partly cloudy. High 74°, low 52°.

Pressure30.33 inHg
Wind1.8 mph SE
Humidity45%
Visibility6.2 mi
Dew point50°
Tue, 2771° / 52°0Overcast
71 °Overcast

Harristown, Tuesday, 27 October

Overcast. High 71°, low 52°.

Pressure30.24 inHg
Wind6.2 mph S
Humidity55%
Visibility6.2 mi
Dew point51°
Wed, 2874° / 53°0Clear
74 °Clear

Harristown, Wednesday, 28 October

Clear. High 74°, low 53°.

Pressure30.21 inHg
Wind9 mph SW
Humidity42%
Visibility—
Dew point46°
Thu, 2976° / 55°0Mostly clear
76 °Mostly clear

Harristown, Thursday, 29 October

Mostly clear. High 76°, low 55°.

Pressure30.24 inHg
Wind10 mph S
Humidity36%
Visibility—
Dew point44°
Fri, 3077° / 60°0Overcast
77 °Overcast

Harristown, Friday, 30 October

Overcast. High 77°, low 60°.

Pressure30.18 inHg
Wind8.9 mph SW
Humidity37%
Visibility—
Dew point41°
Sat, 3165° / 57°0.04Light rain
65 °Light rain

Harristown, Saturday, 31 October

Light rain. High 65°, low 57°.

Pressure30.09 inHg
Wind14.3 mph SE
Humidity49%
Visibility—
Dew point44°
Sun, 0164° / 53°0.11Light rain
64 °Light rain

Harristown, Sunday, 1 November

Light rain. High 64°, low 53°.

Pressure29.97 inHg
Wind17.4 mph S
Humidity73%
Visibility—
Dew point53°
Mon, 0259° / 42°0Clear
59 °Clear

Harristown, Monday, 2 November

Clear. High 59°, low 42°.

Pressure30.15 inHg
Wind13.1 mph NW
Humidity32%
Visibility—
Dew point26°
Tue, 0356° / 43°0Overcast
56 °Overcast

Harristown, Tuesday, 3 November

Overcast. High 56°, low 43°.

Pressure30.12 inHg
Wind14.2 mph NW
Humidity29%
Visibility—
Dew point23°
Wed, 0460° / 42°0Overcast
60 °Overcast

Harristown, Wednesday, 4 November

Overcast. High 60°, low 42°.

Pressure30.03 inHg
Wind11.4 mph S
Humidity30%
Visibility—
Dew point23°
Thu, 0570° / 46°0Partly cloudy
70 °Partly cloudy

Harristown, Thursday, 5 November

Partly cloudy. High 70°, low 46°.

Pressure30.03 inHg
Wind6.8 mph NW
Humidity34%
Visibility—
Dew point35°
Fri, 0676° / 55°0Partly cloudy
76 °Partly cloudy

Harristown, Friday, 6 November

Partly cloudy. High 76°, low 55°.

Pressure30.06 inHg
Wind14.8 mph SW
Humidity40%
Visibility—
Dew point46°
Sat, 0771° / 54°0Overcast
71 °Overcast

Harristown, Saturday, 7 November

Overcast. High 71°, low 54°.

Pressure30.12 inHg
Wind14.4 mph NW
Humidity34%
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 Harristown, 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 Harristown, 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.