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As of 01:23 CDT

Weather in Farmington, IL

66°Current weather

Farmington, Sunday, 9 August, 01:23

Partly cloudy. Feels like 66°. High 91°, low 66°.

Pressure30.03 inHg
Wind6.5 mph SE
Humidity91%
Visibility6.2 mi
Dew point64°
Mon, 1092° / 74°0Overcast
92 °Overcast

Farmington, Monday, 10 August

Overcast. High 92°, low 74°.

Pressure29.88 inHg
Wind6.7 mph W
Humidity60%
Visibility6.2 mi
Dew point71°
Tue, 1191° / 74°0Light rain
91 °Light rain

Farmington, Tuesday, 11 August

Light rain. High 91°, low 74°.

Pressure29.80 inHg
Wind15.8 mph SW
Humidity57%
Visibility6.2 mi
Dew point70°
Wed, 1284° / 71°0.11Light rain
84 °Light rain

Farmington, Wednesday, 12 August

Light rain. High 84°, low 71°.

Pressure29.85 inHg
Wind5.7 mph N
Humidity68%
Visibility6.2 mi
Dew point72°
Thu, 1377° / 65°0.03Light rain
77 °Light rain

Farmington, Thursday, 13 August

Light rain. High 77°, low 65°.

Pressure29.97 inHg
Wind12.8 mph NE
Humidity69%
Visibility—
Dew point64°
Fri, 1479° / 61°0Overcast
79 °Overcast

Farmington, Friday, 14 August

Overcast. High 79°, low 61°.

Pressure30.09 inHg
Wind10.2 mph NE
Humidity61%
Visibility—
Dew point61°
Sat, 1569° / 60°0.28Rain
69 °Rain

Farmington, Saturday, 15 August

Rain. High 69°, low 60°.

Pressure30.24 inHg
Wind12.4 mph E
Humidity80%
Visibility—
Dew point56°
Sun, 1675° / 60°0.04Light rain
75 °Light rain

Farmington, Sunday, 16 August

Light rain. High 75°, low 60°.

Pressure30.12 inHg
Wind8.1 mph E
Humidity84%
Visibility—
Dew point60°
Mon, 1780° / 63°0Overcast
80 °Overcast

Farmington, Monday, 17 August

Overcast. High 80°, low 63°.

Pressure30.06 inHg
Wind5.2 mph N
Humidity69%
Visibility—
Dew point65°
Tue, 1886° / 65°0Overcast
86 °Overcast

Farmington, Tuesday, 18 August

Overcast. High 86°, low 65°.

Pressure30.00 inHg
Wind7.3 mph SW
Humidity58%
Visibility—
Dew point64°
Wed, 1976° / 61°0.06Light rain
76 °Light rain

Farmington, Wednesday, 19 August

Light rain. High 76°, low 61°.

Pressure29.94 inHg
Wind14 mph N
Humidity56%
Visibility—
Dew point58°
Thu, 2072° / 53°0Overcast
72 °Overcast

Farmington, Thursday, 20 August

Overcast. High 72°, low 53°.

Pressure30.06 inHg
Wind13.7 mph N
Humidity53%
Visibility—
Dew point51°
Fri, 2175° / 51°0Overcast
75 °Overcast

Farmington, Friday, 21 August

Overcast. High 75°, low 51°.

Pressure30.03 inHg
Wind9.7 mph E
Humidity47%
Visibility—
Dew point50°
Sat, 2282° / 59°0.02Light rain
82 °Light rain

Farmington, Saturday, 22 August

Light rain. High 82°, low 59°.

Pressure29.85 inHg
Wind14.7 mph S
Humidity64%
Visibility—
Dew point62°
Sun, 2387° / 66°0Mostly clear
87 °Mostly clear

Farmington, Sunday, 23 August

Mostly clear. High 87°, low 66°.

Pressure29.94 inHg
Wind10.2 mph NW
Humidity45%
Visibility—
Dew point59°
Mon, 2484° / 65°0.01Light rain
84 °Light rain

Farmington, Monday, 24 August

Light rain. High 84°, low 65°.

Pressure29.97 inHg
Wind10.6 mph S
Humidity63%
Visibility—
Dew point68°

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 Farmington, 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 Farmington, 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.