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As of 15:24 CDT

Weather in Teheran, IL

82°Current weather

Teheran, Sunday, 11 October, 15:24

Clear. Feels like 83°. High 82°, low 53°.

Pressure29.94 inHg
Wind6 mph S
Humidity49%
Visibility6.2 mi
Dew point60°
Mon, 1287° / 63°0Partly cloudy
87 °Partly cloudy

Teheran, Monday, 12 October

Partly cloudy. High 87°, low 63°.

Pressure29.88 inHg
Wind12.4 mph SW
Humidity49%
Visibility6.2 mi
Dew point62°
Tue, 1388° / 68°0Light rain
88 °Light rain

Teheran, Tuesday, 13 October

Light rain. High 88°, low 68°.

Pressure29.85 inHg
Wind8.7 mph W
Humidity60%
Visibility6.2 mi
Dew point68°
Wed, 1476° / 68°0.07Light rain
76 °Light rain

Teheran, Wednesday, 14 October

Light rain. High 76°, low 68°.

Pressure30.03 inHg
Wind7.7 mph NE
Humidity74%
Visibility6.2 mi
Dew point65°
Thu, 1579° / 64°0.3Light rain
79 °Light rain

Teheran, Thursday, 15 October

Light rain. High 79°, low 64°.

Pressure29.94 inHg
Wind12 mph S
Humidity81%
Visibility6.2 mi
Dew point70°
Fri, 1661° / 51°0.15Rain
61 °Rain

Teheran, Friday, 16 October

Rain. High 61°, low 51°.

Pressure30.45 inHg
Wind17 mph N
Humidity46%
Visibility—
Dew point39°
Sat, 1751° / 40°0Clear
51 °Clear

Teheran, Saturday, 17 October

Clear. High 51°, low 40°.

Pressure30.62 inHg
Wind6.6 mph SE
Humidity36%
Visibility—
Dew point23°
Sun, 1860° / 36°0Clear
60 °Clear

Teheran, Sunday, 18 October

Clear. High 60°, low 36°.

Pressure30.47 inHg
Wind16.3 mph S
Humidity33%
Visibility—
Dew point25°
Mon, 1967° / 43°0Clear
67 °Clear

Teheran, Monday, 19 October

Clear. High 67°, low 43°.

Pressure30.39 inHg
Wind12.6 mph SW
Humidity31%
Visibility—
Dew point31°
Tue, 2070° / 52°0Overcast
70 °Overcast

Teheran, Tuesday, 20 October

Overcast. High 70°, low 52°.

Pressure30.30 inHg
Wind11.7 mph S
Humidity49%
Visibility—
Dew point45°
Wed, 2171° / 59°0.03Light rain
71 °Light rain

Teheran, Wednesday, 21 October

Light rain. High 71°, low 59°.

Pressure30.15 inHg
Wind17.6 mph S
Humidity54%
Visibility—
Dew point52°
Thu, 2268° / 63°0.1Light rain
68 °Light rain

Teheran, Thursday, 22 October

Light rain. High 68°, low 63°.

Pressure30.21 inHg
Wind13.3 mph S
Humidity77%
Visibility—
Dew point59°
Fri, 2379° / 61°0.03Light rain
79 °Light rain

Teheran, Friday, 23 October

Light rain. High 79°, low 61°.

Pressure30.12 inHg
Wind9.9 mph SW
Humidity35%
Visibility—
Dew point45°
Sat, 2476° / 60°0Mostly clear
76 °Mostly clear

Teheran, Saturday, 24 October

Mostly clear. High 76°, low 60°.

Pressure30.12 inHg
Wind7.4 mph E
Humidity51%
Visibility—
Dew point53°
Sun, 2582° / 58°0.28Rain
82 °Rain

Teheran, Sunday, 25 October

Rain. High 82°, low 58°.

Pressure29.91 inHg
Wind17.3 mph N
Humidity48%
Visibility—
Dew point56°
Mon, 2656° / 47°0Overcast
56 °Overcast

Teheran, Monday, 26 October

Overcast. High 56°, low 47°.

Pressure29.91 inHg
Wind18.3 mph NW
Humidity50%
Visibility—
Dew point36°

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 Teheran, 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 Teheran, 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.