EN
English Español

As of 07:00 CST

Weather in Harrisburg, IL

44°Current weather

Harrisburg, Thursday, 12 November, 07:00

Overcast. Feels like 44°. High 56°, low 40°.

Pressure29.88 inHg
Wind2 mph SW
Humidity91%
Visibility6.2 mi
Dew point42°
Fri, 1347° / 36°0Overcast
47 °Overcast

Harrisburg, Friday, 13 November

Overcast. High 47°, low 36°.

Pressure30.06 inHg
Wind13.3 mph NW
Humidity61%
Visibility6.2 mi
Dew point29°
Sat, 1450° / 33°0Clear
50 °Clear

Harrisburg, Saturday, 14 November

Clear. High 50°, low 33°.

Pressure30.30 inHg
Wind6.1 mph N
Humidity51%
Visibility6.2 mi
Dew point26°
Sun, 1552° / 32°0Partly cloudy
52 °Partly cloudy

Harrisburg, Sunday, 15 November

Partly cloudy. High 52°, low 32°.

Pressure30.47 inHg
Wind0.8 mph E
Humidity47%
Visibility6.2 mi
Dew point29°
Mon, 1654° / 33°0Clear
54 °Clear

Harrisburg, Monday, 16 November

Clear. High 54°, low 33°.

Pressure30.50 inHg
Wind4 mph NE
Humidity45%
Visibility—
Dew point29°
Tue, 1755° / 33°0Clear
55 °Clear

Harrisburg, Tuesday, 17 November

Clear. High 55°, low 33°.

Pressure30.47 inHg
Wind4.6 mph E
Humidity47%
Visibility—
Dew point31°
Wed, 1862° / 39°0Clear
62 °Clear

Harrisburg, Wednesday, 18 November

Clear. High 62°, low 39°.

Pressure30.36 inHg
Wind6.6 mph S
Humidity33%
Visibility—
Dew point29°
Thu, 1963° / 43°0Overcast
63 °Overcast

Harrisburg, Thursday, 19 November

Overcast. High 63°, low 43°.

Pressure30.27 inHg
Wind11.3 mph S
Humidity33%
Visibility—
Dew point30°
Fri, 2067° / 48°0Overcast
67 °Overcast

Harrisburg, Friday, 20 November

Overcast. High 67°, low 48°.

Pressure30.21 inHg
Wind9.1 mph SW
Humidity32%
Visibility—
Dew point34°
Sat, 2170° / 49°0Clear
70 °Clear

Harrisburg, Saturday, 21 November

Clear. High 70°, low 49°.

Pressure30.15 inHg
Wind6.6 mph SE
Humidity34%
Visibility—
Dew point37°
Sun, 2267° / 49°0.01Light rain
67 °Light rain

Harrisburg, Sunday, 22 November

Light rain. High 67°, low 49°.

Pressure29.88 inHg
Wind14.4 mph SW
Humidity31%
Visibility—
Dew point33°
Mon, 2355° / 44°0Overcast
55 °Overcast

Harrisburg, Monday, 23 November

Overcast. High 55°, low 44°.

Pressure29.91 inHg
Wind9.7 mph W
Humidity38%
Visibility—
Dew point26°
Tue, 2452° / 42°0.14Rain
52 °Rain

Harrisburg, Tuesday, 24 November

Rain. High 52°, low 42°.

Pressure29.85 inHg
Wind12.7 mph N
Humidity39%
Visibility—
Dew point27°
Wed, 2547° / 32°0Clear
47 °Clear

Harrisburg, Wednesday, 25 November

Clear. High 47°, low 32°.

Pressure30.21 inHg
Wind10.4 mph NW
Humidity36%
Visibility—
Dew point19°
Thu, 2640° / 25°0Partly cloudy
40 °Partly cloudy

Harrisburg, Thursday, 26 November

Partly cloudy. High 40°, low 25°.

Pressure30.50 inHg
Wind6.1 mph N
Humidity20%
Visibility—
Dew point0°
Fri, 2753° / 31°0Overcast
53 °Overcast

Harrisburg, Friday, 27 November

Overcast. High 53°, low 31°.

Pressure30.33 inHg
Wind7.4 mph SW
Humidity25%
Visibility—
Dew point14°

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 Harrisburg, 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 Harrisburg, 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.