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As of 16:04 CDT

Weather in Delavan, IL

84°Current weather

Delavan, Wednesday, 7 October, 16:04

Clear. Feels like 83°. High 84°, low 56°.

Pressure29.85 inHg
Wind9 mph NW
Humidity39%
Visibility6.2 mi
Dew point56°
Thu, 0877° / 51°0Overcast
77 °Overcast

Delavan, Thursday, 8 October

Overcast. High 77°, low 51°.

Pressure30.12 inHg
Wind1.5 mph N
Humidity51%
Visibility6.2 mi
Dew point52°
Fri, 0981° / 53°0Overcast
81 °Overcast

Delavan, Friday, 9 October

Overcast. High 81°, low 53°.

Pressure30.12 inHg
Wind10.8 mph S
Humidity44%
Visibility6.2 mi
Dew point51°
Sat, 1084° / 59°0Clear
84 °Clear

Delavan, Saturday, 10 October

Clear. High 84°, low 59°.

Pressure30.12 inHg
Wind8.9 mph S
Humidity47%
Visibility6.2 mi
Dew point58°
Sun, 1170° / 61°0.07Light rain
70 °Light rain

Delavan, Sunday, 11 October

Light rain. High 70°, low 61°.

Pressure29.94 inHg
Wind6.4 mph E
Humidity70%
Visibility6.2 mi
Dew point57°
Mon, 1285° / 55°0Mostly clear
85 °Mostly clear

Delavan, Monday, 12 October

Mostly clear. High 85°, low 55°.

Pressure29.85 inHg
Wind11.8 mph S
Humidity49%
Visibility—
Dew point57°
Tue, 1372° / 59°0.01Light rain
72 °Light rain

Delavan, Tuesday, 13 October

Light rain. High 72°, low 59°.

Pressure29.97 inHg
Wind14 mph N
Humidity46%
Visibility—
Dew point48°
Wed, 1482° / 54°0Light rain
82 °Light rain

Delavan, Wednesday, 14 October

Light rain. High 82°, low 54°.

Pressure29.91 inHg
Wind18.3 mph SE
Humidity42%
Visibility—
Dew point49°
Thu, 1594° / 64°0Partly cloudy
94 °Partly cloudy

Delavan, Thursday, 15 October

Partly cloudy. High 94°, low 64°.

Pressure29.74 inHg
Wind20.5 mph SW
Humidity42%
Visibility—
Dew point62°
Fri, 1668° / 53°0Mostly clear
68 °Mostly clear

Delavan, Friday, 16 October

Mostly clear. High 68°, low 53°.

Pressure30.30 inHg
Wind14.2 mph NW
Humidity37%
Visibility—
Dew point39°
Sat, 1756° / 42°0Overcast
56 °Overcast

Delavan, Saturday, 17 October

Overcast. High 56°, low 42°.

Pressure30.36 inHg
Wind14.3 mph N
Humidity40%
Visibility—
Dew point30°
Sun, 1861° / 39°0Clear
61 °Clear

Delavan, Sunday, 18 October

Clear. High 61°, low 39°.

Pressure30.39 inHg
Wind7.9 mph E
Humidity32%
Visibility—
Dew point26°
Mon, 1965° / 41°0Overcast
65 °Overcast

Delavan, Monday, 19 October

Overcast. High 65°, low 41°.

Pressure30.45 inHg
Wind14.6 mph SE
Humidity26%
Visibility—
Dew point24°
Tue, 2059° / 51°0.07Light rain
59 °Light rain

Delavan, Tuesday, 20 October

Light rain. High 59°, low 51°.

Pressure30.30 inHg
Wind11.2 mph SE
Humidity60%
Visibility—
Dew point44°
Wed, 2166° / 56°0Overcast
66 °Overcast

Delavan, Wednesday, 21 October

Overcast. High 66°, low 56°.

Pressure30.09 inHg
Wind8.2 mph N
Humidity60%
Visibility—
Dew point51°
Thu, 2263° / 52°0Overcast
63 °Overcast

Delavan, Thursday, 22 October

Overcast. High 63°, low 52°.

Pressure29.83 inHg
Wind9.7 mph N
Humidity45%
Visibility—
Dew point39°

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.