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As of 22:54 CDT

Weather in Teheran, IL

78°Current weather

Teheran, Monday, 12 October, 22:54

Clear. Feels like 78°. High 89°, low 63°.

Pressure29.80 inHg
Wind11.2 mph SW
Humidity60%
Visibility6.2 mi
Dew point63°
Tue, 1389° / 68°0.02Light rain
89 °Light rain

Teheran, Tuesday, 13 October

Light rain. High 89°, low 68°.

Pressure29.88 inHg
Wind6.1 mph SW
Humidity56%
Visibility6.2 mi
Dew point65°
Wed, 1478° / 63°0Overcast
78 °Overcast

Teheran, Wednesday, 14 October

Overcast. High 78°, low 63°.

Pressure30.03 inHg
Wind7 mph NE
Humidity63%
Visibility6.2 mi
Dew point62°
Thu, 1570° / 62°1.29Heavy rain
70 °Heavy rain

Teheran, Thursday, 15 October

Heavy rain. High 70°, low 62°.

Pressure29.97 inHg
Wind1.4 mph SW
Humidity96%
Visibility1.0 mi
Dew point66°
Fri, 1660° / 49°0.04Light rain
60 °Light rain

Teheran, Friday, 16 October

Light rain. High 60°, low 49°.

Pressure30.33 inHg
Wind20.8 mph NW
Humidity50%
Visibility6.2 mi
Dew point37°
Sat, 1760° / 42°0Clear
60 °Clear

Teheran, Saturday, 17 October

Clear. High 60°, low 42°.

Pressure30.50 inHg
Wind7.2 mph S
Humidity37%
Visibility—
Dew point30°
Sun, 1866° / 46°0Overcast
66 °Overcast

Teheran, Sunday, 18 October

Overcast. High 66°, low 46°.

Pressure30.27 inHg
Wind11.5 mph S
Humidity38%
Visibility—
Dew point35°
Mon, 1962° / 51°0.08Light rain
62 °Light rain

Teheran, Monday, 19 October

Light rain. High 62°, low 51°.

Pressure30.21 inHg
Wind8.3 mph S
Humidity48%
Visibility—
Dew point41°
Tue, 2072° / 55°0.05Light rain
72 °Light rain

Teheran, Tuesday, 20 October

Light rain. High 72°, low 55°.

Pressure30.15 inHg
Wind10.5 mph SE
Humidity62%
Visibility—
Dew point56°
Wed, 2173° / 58°0Partly cloudy
73 °Partly cloudy

Teheran, Wednesday, 21 October

Partly cloudy. High 73°, low 58°.

Pressure30.15 inHg
Wind14 mph S
Humidity66%
Visibility—
Dew point57°
Thu, 2281° / 62°0.01Light rain
81 °Light rain

Teheran, Thursday, 22 October

Light rain. High 81°, low 62°.

Pressure29.97 inHg
Wind22.7 mph S
Humidity53%
Visibility—
Dew point57°
Fri, 2369° / 54°0.24Rain
69 °Rain

Teheran, Friday, 23 October

Rain. High 69°, low 54°.

Pressure30.09 inHg
Wind24.3 mph S
Humidity51%
Visibility—
Dew point44°
Sat, 2463° / 49°0Overcast
63 °Overcast

Teheran, Saturday, 24 October

Overcast. High 63°, low 49°.

Pressure30.36 inHg
Wind10 mph N
Humidity40%
Visibility—
Dew point37°
Sun, 2556° / 44°0Partly cloudy
56 °Partly cloudy

Teheran, Sunday, 25 October

Partly cloudy. High 56°, low 44°.

Pressure30.33 inHg
Wind7 mph N
Humidity41%
Visibility—
Dew point31°
Mon, 2661° / 46°0Overcast
61 °Overcast

Teheran, Monday, 26 October

Overcast. High 61°, low 46°.

Pressure30.09 inHg
Wind10.3 mph W
Humidity53%
Visibility—
Dew point40°
Tue, 2766° / 45°0.04Light rain
66 °Light rain

Teheran, Tuesday, 27 October

Light rain. High 66°, low 45°.

Pressure29.68 inHg
Wind17.1 mph NW
Humidity51%
Visibility—
Dew point42°

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.