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As of 14:52 CST

Weather in Johnston City, IL

63°Current weather

Johnston City, Wednesday, 4 November, 14:52

Overcast. Feels like 63°. High 63°, low 52°.

Pressure29.80 inHg
Wind9.8 mph W
Humidity75%
Visibility6.2 mi
Dew point55°
Thu, 0566° / 47°0Clear
66 °Clear

Johnston City, Thursday, 5 November

Clear. High 66°, low 47°.

Pressure29.88 inHg
Wind7.3 mph W
Humidity49%
Visibility6.2 mi
Dew point44°
Fri, 0657° / 42°0Overcast
57 °Overcast

Johnston City, Friday, 6 November

Overcast. High 57°, low 42°.

Pressure30.12 inHg
Wind10.4 mph N
Humidity68%
Visibility6.2 mi
Dew point46°
Sat, 0754° / 37°0Overcast
54 °Overcast

Johnston City, Saturday, 7 November

Overcast. High 54°, low 37°.

Pressure30.27 inHg
Wind3.5 mph NW
Humidity52%
Visibility6.2 mi
Dew point36°
Sun, 0861° / 37°0Partly cloudy
61 °Partly cloudy

Johnston City, Sunday, 8 November

Partly cloudy. High 61°, low 37°.

Pressure30.21 inHg
Wind5.8 mph W
Humidity54%
Visibility6.2 mi
Dew point42°
Mon, 0967° / 42°0Clear
67 °Clear

Johnston City, Monday, 9 November

Clear. High 67°, low 42°.

Pressure30.18 inHg
Wind6.6 mph SW
Humidity62%
Visibility—
Dew point48°
Tue, 1065° / 44°0Clear
65 °Clear

Johnston City, Tuesday, 10 November

Clear. High 65°, low 44°.

Pressure30.06 inHg
Wind6.6 mph SW
Humidity32%
Visibility—
Dew point31°
Wed, 1162° / 44°0Partly cloudy
62 °Partly cloudy

Johnston City, Wednesday, 11 November

Partly cloudy. High 62°, low 44°.

Pressure30.00 inHg
Wind10.6 mph N
Humidity37%
Visibility—
Dew point33°
Thu, 1252° / 39°0Overcast
52 °Overcast

Johnston City, Thursday, 12 November

Overcast. High 52°, low 39°.

Pressure30.12 inHg
Wind11.1 mph NW
Humidity45%
Visibility—
Dew point29°
Fri, 1355° / 32°0Mostly clear
55 °Mostly clear

Johnston City, Friday, 13 November

Mostly clear. High 55°, low 32°.

Pressure29.94 inHg
Wind9.2 mph W
Humidity42%
Visibility—
Dew point26°
Sat, 1457° / 40°0Clear
57 °Clear

Johnston City, Saturday, 14 November

Clear. High 57°, low 40°.

Pressure29.83 inHg
Wind12.8 mph N
Humidity43%
Visibility—
Dew point32°
Sun, 1550° / 31°0Clear
50 °Clear

Johnston City, Sunday, 15 November

Clear. High 50°, low 31°.

Pressure30.18 inHg
Wind8.6 mph NE
Humidity37%
Visibility—
Dew point21°
Mon, 1651° / 31°0Clear
51 °Clear

Johnston City, Monday, 16 November

Clear. High 51°, low 31°.

Pressure30.36 inHg
Wind6.4 mph N
Humidity44%
Visibility—
Dew point26°
Tue, 1753° / 33°0Clear
53 °Clear

Johnston City, Tuesday, 17 November

Clear. High 53°, low 33°.

Pressure30.39 inHg
Wind6.3 mph SE
Humidity36%
Visibility—
Dew point23°
Wed, 1855° / 35°0Overcast
55 °Overcast

Johnston City, Wednesday, 18 November

Overcast. High 55°, low 35°.

Pressure30.39 inHg
Wind8.8 mph S
Humidity39%
Visibility—
Dew point28°
Thu, 1962° / 41°0Overcast
62 °Overcast

Johnston City, Thursday, 19 November

Overcast. High 62°, low 41°.

Pressure30.27 inHg
Wind11.4 mph SW
Humidity41%
Visibility—
Dew point35°

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 Johnston City, 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 Johnston City, 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.