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As of 16:22 CDT

Weather in Diamond, IL

84°Current weather

Diamond, Saturday, 8 August, 16:22

Clear. Feels like 87°. High 84°, low 69°.

Pressure29.97 inHg
Wind5 mph W
Humidity60%
Visibility6.2 mi
Dew point69°
Sun, 0986° / 65°0.73Heavy rain
86 °Heavy rain

Diamond, Sunday, 9 August

Heavy rain. High 86°, low 65°.

Pressure29.97 inHg
Wind8.5 mph W
Humidity80%
Visibility6.2 mi
Dew point76°
Mon, 1085° / 72°0.05Rain
85 °Rain

Diamond, Monday, 10 August

Rain. High 85°, low 72°.

Pressure29.91 inHg
Wind9.6 mph S
Humidity76%
Visibility6.2 mi
Dew point74°
Tue, 1184° / 72°0.13Rain
84 °Rain

Diamond, Tuesday, 11 August

Rain. High 84°, low 72°.

Pressure29.77 inHg
Wind16 mph SW
Humidity77%
Visibility6.2 mi
Dew point76°
Wed, 1277° / 69°0.03Light rain
77 °Light rain

Diamond, Wednesday, 12 August

Light rain. High 77°, low 69°.

Pressure29.88 inHg
Wind0.7 mph SE
Humidity81%
Visibility6.2 mi
Dew point70°
Thu, 1373° / 64°0.02Light rain
73 °Light rain

Diamond, Thursday, 13 August

Light rain. High 73°, low 64°.

Pressure29.94 inHg
Wind14.9 mph E
Humidity73%
Visibility—
Dew point62°
Fri, 1473° / 56°0Light rain
73 °Light rain

Diamond, Friday, 14 August

Light rain. High 73°, low 56°.

Pressure30.18 inHg
Wind6.3 mph NW
Humidity61%
Visibility—
Dew point57°
Sat, 1573° / 54°0Overcast
73 °Overcast

Diamond, Saturday, 15 August

Overcast. High 73°, low 54°.

Pressure30.33 inHg
Wind6.8 mph S
Humidity65%
Visibility—
Dew point57°
Sun, 1676° / 57°0Partly cloudy
76 °Partly cloudy

Diamond, Sunday, 16 August

Partly cloudy. High 76°, low 57°.

Pressure30.21 inHg
Wind10.2 mph S
Humidity67%
Visibility—
Dew point60°
Mon, 1779° / 68°0.03Light rain
79 °Light rain

Diamond, Monday, 17 August

Light rain. High 79°, low 68°.

Pressure30.00 inHg
Wind7.4 mph S
Humidity87%
Visibility—
Dew point70°
Tue, 1884° / 67°0.01Light rain
84 °Light rain

Diamond, Tuesday, 18 August

Light rain. High 84°, low 67°.

Pressure30.00 inHg
Wind7.3 mph E
Humidity73%
Visibility—
Dew point69°
Wed, 1982° / 63°0.29Rain
82 °Rain

Diamond, Wednesday, 19 August

Rain. High 82°, low 63°.

Pressure29.91 inHg
Wind8.3 mph S
Humidity72%
Visibility—
Dew point70°
Thu, 2078° / 66°0.16Light rain
78 °Light rain

Diamond, Thursday, 20 August

Light rain. High 78°, low 66°.

Pressure29.88 inHg
Wind8.7 mph NW
Humidity77%
Visibility—
Dew point68°
Fri, 2180° / 63°0Light rain
80 °Light rain

Diamond, Friday, 21 August

Light rain. High 80°, low 63°.

Pressure29.97 inHg
Wind6.5 mph N
Humidity65%
Visibility—
Dew point64°
Sat, 2278° / 59°0.01Light rain
78 °Light rain

Diamond, Saturday, 22 August

Light rain. High 78°, low 59°.

Pressure29.91 inHg
Wind15.1 mph NE
Humidity70%
Visibility—
Dew point65°
Sun, 2367° / 49°0Clear
67 °Clear

Diamond, Sunday, 23 August

Clear. High 67°, low 49°.

Pressure30.24 inHg
Wind11.3 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 Diamond, 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 Diamond, 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.