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As of 15:52 CDT

Weather in Lyndon, IL

84°Current weather

Lyndon, Saturday, 8 August, 15:52

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

Pressure30.00 inHg
Wind3.9 mph NW
Humidity59%
Visibility6.2 mi
Dew point68°
Sun, 0988° / 64°0.01Light rain
88 °Light rain

Lyndon, Sunday, 9 August

Light rain. High 88°, low 64°.

Pressure29.88 inHg
Wind12.9 mph SE
Humidity86%
Visibility6.2 mi
Dew point74°
Mon, 1084° / 73°0Overcast
84 °Overcast

Lyndon, Monday, 10 August

Overcast. High 84°, low 73°.

Pressure29.88 inHg
Wind9.1 mph SW
Humidity72%
Visibility6.2 mi
Dew point73°
Tue, 1189° / 73°0.01Light rain
89 °Light rain

Lyndon, Tuesday, 11 August

Light rain. High 89°, low 73°.

Pressure29.77 inHg
Wind9.5 mph SW
Humidity70%
Visibility6.2 mi
Dew point73°
Wed, 1281° / 68°0.07Light rain
81 °Light rain

Lyndon, Wednesday, 12 August

Light rain. High 81°, low 68°.

Pressure29.85 inHg
Wind6.4 mph S
Humidity95%
Visibility6.2 mi
Dew point68°
Thu, 1374° / 62°0.01Light rain
74 °Light rain

Lyndon, Thursday, 13 August

Light rain. High 74°, low 62°.

Pressure29.94 inHg
Wind12.3 mph NE
Humidity74%
Visibility—
Dew point64°
Fri, 1475° / 56°0Clear
75 °Clear

Lyndon, Friday, 14 August

Clear. High 75°, low 56°.

Pressure30.18 inHg
Wind6.2 mph N
Humidity62%
Visibility—
Dew point58°
Sat, 1575° / 56°0Partly cloudy
75 °Partly cloudy

Lyndon, Saturday, 15 August

Partly cloudy. High 75°, low 56°.

Pressure30.30 inHg
Wind7.9 mph SE
Humidity63%
Visibility—
Dew point58°
Sun, 1676° / 57°0Overcast
76 °Overcast

Lyndon, Sunday, 16 August

Overcast. High 76°, low 57°.

Pressure30.15 inHg
Wind12.5 mph S
Humidity68%
Visibility—
Dew point61°
Mon, 1782° / 66°0Overcast
82 °Overcast

Lyndon, Monday, 17 August

Overcast. High 82°, low 66°.

Pressure29.94 inHg
Wind6.4 mph SE
Humidity80%
Visibility—
Dew point71°
Tue, 1884° / 70°0Partly cloudy
84 °Partly cloudy

Lyndon, Tuesday, 18 August

Partly cloudy. High 84°, low 70°.

Pressure30.03 inHg
Wind7.7 mph SE
Humidity66%
Visibility—
Dew point68°
Wed, 1985° / 68°0.3Light rain
85 °Light rain

Lyndon, Wednesday, 19 August

Light rain. High 85°, low 68°.

Pressure29.88 inHg
Wind9.2 mph S
Humidity74%
Visibility—
Dew point72°
Thu, 2078° / 65°0.11Light rain
78 °Light rain

Lyndon, Thursday, 20 August

Light rain. High 78°, low 65°.

Pressure29.91 inHg
Wind11.2 mph N
Humidity75%
Visibility—
Dew point64°
Fri, 2181° / 62°0.03Light rain
81 °Light rain

Lyndon, Friday, 21 August

Light rain. High 81°, low 62°.

Pressure29.97 inHg
Wind5.3 mph N
Humidity61%
Visibility—
Dew point63°
Sat, 2274° / 57°0.02Light rain
74 °Light rain

Lyndon, Saturday, 22 August

Light rain. High 74°, low 57°.

Pressure29.94 inHg
Wind16.9 mph NE
Humidity78%
Visibility—
Dew point66°
Sun, 2369° / 46°0Clear
69 °Clear

Lyndon, Sunday, 23 August

Clear. High 69°, low 46°.

Pressure30.24 inHg
Wind12 mph E
Humidity54%
Visibility—
Dew point47°

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 Lyndon, 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 Lyndon, 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.