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As of 15:44 CDT

Weather in Sheffield, IL

84°Current weather

Sheffield, Saturday, 8 August, 15:44

Clear. Feels like 87°. High 84°, low 68°.

Pressure30.00 inHg
Wind4.2 mph NW
Humidity59%
Visibility6.2 mi
Dew point68°
Sun, 0989° / 65°0Overcast
89 °Overcast

Sheffield, Sunday, 9 August

Overcast. High 89°, low 65°.

Pressure29.91 inHg
Wind10.2 mph S
Humidity75%
Visibility6.2 mi
Dew point74°
Mon, 1086° / 74°0Overcast
86 °Overcast

Sheffield, Monday, 10 August

Overcast. High 86°, low 74°.

Pressure29.88 inHg
Wind8.9 mph SW
Humidity74%
Visibility6.2 mi
Dew point73°
Tue, 1188° / 74°0Overcast
88 °Overcast

Sheffield, Tuesday, 11 August

Overcast. High 88°, low 74°.

Pressure29.77 inHg
Wind12 mph SW
Humidity76%
Visibility6.2 mi
Dew point71°
Wed, 1281° / 69°0.02Light rain
81 °Light rain

Sheffield, Wednesday, 12 August

Light rain. High 81°, low 69°.

Pressure29.85 inHg
Wind5.7 mph SE
Humidity88%
Visibility6.2 mi
Dew point67°
Thu, 1374° / 62°0.14Light rain
74 °Light rain

Sheffield, Thursday, 13 August

Light rain. High 74°, low 62°.

Pressure29.91 inHg
Wind11.9 mph E
Humidity81%
Visibility—
Dew point65°
Fri, 1475° / 56°0Clear
75 °Clear

Sheffield, Friday, 14 August

Clear. High 75°, low 56°.

Pressure30.18 inHg
Wind7 mph N
Humidity64%
Visibility—
Dew point58°
Sat, 1574° / 57°0Partly cloudy
74 °Partly cloudy

Sheffield, Saturday, 15 August

Partly cloudy. High 74°, low 57°.

Pressure30.30 inHg
Wind8.1 mph SE
Humidity61%
Visibility—
Dew point57°
Sun, 1676° / 57°0Overcast
76 °Overcast

Sheffield, Sunday, 16 August

Overcast. High 76°, low 57°.

Pressure30.18 inHg
Wind11.2 mph S
Humidity70%
Visibility—
Dew point61°
Mon, 1781° / 66°0Overcast
81 °Overcast

Sheffield, Monday, 17 August

Overcast. High 81°, low 66°.

Pressure29.97 inHg
Wind7.8 mph SE
Humidity85%
Visibility—
Dew point71°
Tue, 1883° / 70°0Overcast
83 °Overcast

Sheffield, Tuesday, 18 August

Overcast. High 83°, low 70°.

Pressure30.00 inHg
Wind7.5 mph E
Humidity67%
Visibility—
Dew point69°
Wed, 1986° / 67°0.36Light rain
86 °Light rain

Sheffield, Wednesday, 19 August

Light rain. High 86°, low 67°.

Pressure29.91 inHg
Wind9.4 mph S
Humidity72%
Visibility—
Dew point72°
Thu, 2076° / 66°0.24Light rain
76 °Light rain

Sheffield, Thursday, 20 August

Light rain. High 76°, low 66°.

Pressure29.91 inHg
Wind9.6 mph N
Humidity76%
Visibility—
Dew point67°
Fri, 2181° / 62°0.01Light rain
81 °Light rain

Sheffield, Friday, 21 August

Light rain. High 81°, low 62°.

Pressure29.97 inHg
Wind5.6 mph NE
Humidity62%
Visibility—
Dew point63°
Sat, 2279° / 58°0.04Light rain
79 °Light rain

Sheffield, Saturday, 22 August

Light rain. High 79°, low 58°.

Pressure29.94 inHg
Wind15.8 mph NE
Humidity65%
Visibility—
Dew point65°
Sun, 2368° / 47°0Mostly clear
68 °Mostly clear

Sheffield, Sunday, 23 August

Mostly clear. High 68°, low 47°.

Pressure30.24 inHg
Wind12.1 mph E
Humidity53%
Visibility—
Dew point46°

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 Sheffield, 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 Sheffield, 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.