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As of 14:26 CDT

Weather in Delavan, IL

85°Current weather

Delavan, Saturday, 8 August, 14:26

Clear. Feels like 88°. High 86°, low 70°.

Pressure30.03 inHg
Wind3.9 mph N
Humidity57%
Visibility6.2 mi
Dew point69°
Sun, 0992° / 70°0Overcast
92 °Overcast

Delavan, Sunday, 9 August

Overcast. High 92°, low 70°.

Pressure29.91 inHg
Wind15.8 mph S
Humidity63%
Visibility6.2 mi
Dew point73°
Mon, 1096° / 76°0Overcast
96 °Overcast

Delavan, Monday, 10 August

Overcast. High 96°, low 76°.

Pressure29.88 inHg
Wind12.2 mph SW
Humidity50%
Visibility6.2 mi
Dew point71°
Tue, 1193° / 75°0.01Light rain
93 °Light rain

Delavan, Tuesday, 11 August

Light rain. High 93°, low 75°.

Pressure29.83 inHg
Wind10.6 mph SW
Humidity45%
Visibility6.2 mi
Dew point67°
Wed, 1282° / 70°0Overcast
82 °Overcast

Delavan, Wednesday, 12 August

Overcast. High 82°, low 70°.

Pressure29.88 inHg
Wind12.4 mph NE
Humidity73%
Visibility6.2 mi
Dew point72°
Thu, 1372° / 65°0.48Rain
72 °Rain

Delavan, Thursday, 13 August

Rain. High 72°, low 65°.

Pressure29.91 inHg
Wind11.5 mph NE
Humidity98%
Visibility—
Dew point70°
Fri, 1476° / 55°0Clear
76 °Clear

Delavan, Friday, 14 August

Clear. High 76°, low 55°.

Pressure30.18 inHg
Wind9.1 mph NE
Humidity54%
Visibility—
Dew point54°
Sat, 1576° / 55°0Overcast
76 °Overcast

Delavan, Saturday, 15 August

Overcast. High 76°, low 55°.

Pressure30.30 inHg
Wind7.8 mph SE
Humidity49%
Visibility—
Dew point51°
Sun, 1681° / 57°0Overcast
81 °Overcast

Delavan, Sunday, 16 August

Overcast. High 81°, low 57°.

Pressure30.18 inHg
Wind12.7 mph S
Humidity59%
Visibility—
Dew point58°
Mon, 1784° / 67°0.07Light rain
84 °Light rain

Delavan, Monday, 17 August

Light rain. High 84°, low 67°.

Pressure29.94 inHg
Wind11.1 mph S
Humidity73%
Visibility—
Dew point71°
Tue, 1885° / 70°0Overcast
85 °Overcast

Delavan, Tuesday, 18 August

Overcast. High 85°, low 70°.

Pressure30.00 inHg
Wind8.8 mph NE
Humidity63%
Visibility—
Dew point69°
Wed, 1990° / 68°0.01Light rain
90 °Light rain

Delavan, Wednesday, 19 August

Light rain. High 90°, low 68°.

Pressure29.91 inHg
Wind8.8 mph SE
Humidity56%
Visibility—
Dew point68°
Thu, 2084° / 68°0.22Rain
84 °Rain

Delavan, Thursday, 20 August

Rain. High 84°, low 68°.

Pressure29.88 inHg
Wind10.4 mph N
Humidity62%
Visibility—
Dew point68°
Fri, 2183° / 64°0Mostly clear
83 °Mostly clear

Delavan, Friday, 21 August

Mostly clear. High 83°, low 64°.

Pressure29.94 inHg
Wind9.4 mph NE
Humidity55%
Visibility—
Dew point61°
Sat, 2287° / 62°0.06Light rain
87 °Light rain

Delavan, Saturday, 22 August

Light rain. High 87°, low 62°.

Pressure29.91 inHg
Wind16.2 mph NE
Humidity48%
Visibility—
Dew point59°
Sun, 2371° / 53°0Clear
71 °Clear

Delavan, Sunday, 23 August

Clear. High 71°, low 53°.

Pressure30.18 inHg
Wind13.4 mph E
Humidity46%
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 Delavan, 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 Delavan, 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.