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As of 23:56 CDT

Weather in Fairfield, IL

70°Current weather

Fairfield, Friday, 9 October, 23:56

Clear. Feels like 68°. High 87°, low 52°.

Pressure30.09 inHg
Wind5.7 mph SE
Humidity40%
Visibility6.2 mi
Dew point44°
Sat, 1076° / 54°0.01Light rain
76 °Light rain

Fairfield, Saturday, 10 October

Light rain. High 76°, low 54°.

Pressure30.09 inHg
Wind6.6 mph E
Humidity55%
Visibility6.2 mi
Dew point52°
Sun, 1181° / 52°0Clear
81 °Clear

Fairfield, Sunday, 11 October

Clear. High 81°, low 52°.

Pressure29.97 inHg
Wind7.7 mph NW
Humidity56%
Visibility6.2 mi
Dew point57°
Mon, 1288° / 63°0Clear
88 °Clear

Fairfield, Monday, 12 October

Clear. High 88°, low 63°.

Pressure29.94 inHg
Wind10.3 mph SW
Humidity41%
Visibility6.2 mi
Dew point58°
Tue, 1390° / 69°0Mostly clear
90 °Mostly clear

Fairfield, Tuesday, 13 October

Mostly clear. High 90°, low 69°.

Pressure29.91 inHg
Wind9.6 mph SW
Humidity47%
Visibility6.2 mi
Dew point63°
Wed, 1477° / 71°0.57Rain
77 °Rain

Fairfield, Wednesday, 14 October

Rain. High 77°, low 71°.

Pressure30.00 inHg
Wind12.8 mph NE
Humidity95%
Visibility—
Dew point72°
Thu, 1574° / 62°1.05Heavy rain
74 °Heavy rain

Fairfield, Thursday, 15 October

Heavy rain. High 74°, low 62°.

Pressure30.18 inHg
Wind13.3 mph SW
Humidity72%
Visibility—
Dew point60°
Fri, 1670° / 57°0.1Light rain
70 °Light rain

Fairfield, Friday, 16 October

Light rain. High 70°, low 57°.

Pressure29.97 inHg
Wind18.8 mph NW
Humidity51%
Visibility—
Dew point50°
Sat, 1752° / 40°0Overcast
52 °Overcast

Fairfield, Saturday, 17 October

Overcast. High 52°, low 40°.

Pressure30.33 inHg
Wind20.5 mph NW
Humidity44%
Visibility—
Dew point28°
Sun, 1854° / 34°0Clear
54 °Clear

Fairfield, Sunday, 18 October

Clear. High 54°, low 34°.

Pressure30.45 inHg
Wind6.5 mph N
Humidity35%
Visibility—
Dew point23°
Mon, 1961° / 38°0Overcast
61 °Overcast

Fairfield, Monday, 19 October

Overcast. High 61°, low 38°.

Pressure30.36 inHg
Wind6.6 mph SE
Humidity29%
Visibility—
Dew point24°
Tue, 2067° / 47°0Overcast
67 °Overcast

Fairfield, Tuesday, 20 October

Overcast. High 67°, low 47°.

Pressure30.27 inHg
Wind12.2 mph SE
Humidity36%
Visibility—
Dew point36°
Wed, 2165° / 51°0.05Light rain
65 °Light rain

Fairfield, Wednesday, 21 October

Light rain. High 65°, low 51°.

Pressure30.09 inHg
Wind20.1 mph SE
Humidity68%
Visibility—
Dew point50°
Thu, 2262° / 56°1.27Heavy rain
62 °Heavy rain

Fairfield, Thursday, 22 October

Heavy rain. High 62°, low 56°.

Pressure29.71 inHg
Wind21.4 mph S
Humidity87%
Visibility—
Dew point53°
Fri, 2369° / 56°0Overcast
69 °Overcast

Fairfield, Friday, 23 October

Overcast. High 69°, low 56°.

Pressure29.97 inHg
Wind11.1 mph W
Humidity63%
Visibility—
Dew point52°
Sat, 2461° / 50°0Overcast
61 °Overcast

Fairfield, Saturday, 24 October

Overcast. High 61°, low 50°.

Pressure30.03 inHg
Wind14.6 mph NW
Humidity53%
Visibility—
Dew point43°

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 Fairfield, 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 Fairfield, 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.