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As of 19:26 CDT

Weather in Greenville, IL

64°Current weather

Greenville, Monday, 19 October, 19:26

Overcast. Feels like 62°. High 71°, low 40°.

Pressure30.33 inHg
Wind3.1 mph E
Humidity52%
Visibility6.2 mi
Dew point46°
Tue, 2072° / 45°0Clear
72 °Clear

Greenville, Tuesday, 20 October

Clear. High 72°, low 45°.

Pressure30.36 inHg
Wind1.8 mph SE
Humidity47%
Visibility6.2 mi
Dew point46°
Wed, 2171° / 47°0Clear
71 °Clear

Greenville, Wednesday, 21 October

Clear. High 71°, low 47°.

Pressure30.27 inHg
Wind0.4 mph SE
Humidity45%
Visibility6.2 mi
Dew point46°
Thu, 2271° / 49°0Clear
71 °Clear

Greenville, Thursday, 22 October

Clear. High 71°, low 49°.

Pressure30.30 inHg
Wind5.2 mph NE
Humidity44%
Visibility6.2 mi
Dew point47°
Fri, 2367° / 50°0Clear
67 °Clear

Greenville, Friday, 23 October

Clear. High 67°, low 50°.

Pressure30.33 inHg
Wind6.4 mph E
Humidity55%
Visibility6.2 mi
Dew point47°
Sat, 2467° / 47°0Overcast
67 °Overcast

Greenville, Saturday, 24 October

Overcast. High 67°, low 47°.

Pressure30.39 inHg
Wind7.7 mph E
Humidity40%
Visibility—
Dew point38°
Sun, 2577° / 51°0Overcast
77 °Overcast

Greenville, Sunday, 25 October

Overcast. High 77°, low 51°.

Pressure30.33 inHg
Wind10.2 mph SW
Humidity35%
Visibility—
Dew point41°
Mon, 2672° / 60°0Overcast
72 °Overcast

Greenville, Monday, 26 October

Overcast. High 72°, low 60°.

Pressure30.27 inHg
Wind8.9 mph NE
Humidity53%
Visibility—
Dew point52°
Tue, 2760° / 48°0.05Light rain
60 °Light rain

Greenville, Tuesday, 27 October

Light rain. High 60°, low 48°.

Pressure30.24 inHg
Wind13.7 mph N
Humidity70%
Visibility—
Dew point50°
Wed, 2848° / 35°0Clear
48 °Clear

Greenville, Wednesday, 28 October

Clear. High 48°, low 35°.

Pressure30.45 inHg
Wind14.9 mph N
Humidity27%
Visibility—
Dew point13°
Thu, 2952° / 30°0Clear
52 °Clear

Greenville, Thursday, 29 October

Clear. High 52°, low 30°.

Pressure30.45 inHg
Wind7 mph N
Humidity24%
Visibility—
Dew point11°
Fri, 3061° / 34°0Partly cloudy
61 °Partly cloudy

Greenville, Friday, 30 October

Partly cloudy. High 61°, low 34°.

Pressure30.33 inHg
Wind11.9 mph SW
Humidity17%
Visibility—
Dew point10°
Sat, 3167° / 43°0Overcast
67 °Overcast

Greenville, Saturday, 31 October

Overcast. High 67°, low 43°.

Pressure30.18 inHg
Wind14.3 mph SW
Humidity16%
Visibility—
Dew point15°
Sun, 0165° / 47°0Overcast
65 °Overcast

Greenville, Sunday, 1 November

Overcast. High 65°, low 47°.

Pressure30.15 inHg
Wind9 mph SW
Humidity22%
Visibility—
Dew point23°
Mon, 0265° / 50°0.02Light rain
65 °Light rain

Greenville, Monday, 2 November

Light rain. High 65°, low 50°.

Pressure30.09 inHg
Wind11.7 mph N
Humidity43%
Visibility—
Dew point40°
Tue, 0360° / 40°0Partly cloudy
60 °Partly cloudy

Greenville, Tuesday, 3 November

Partly cloudy. High 60°, low 40°.

Pressure30.09 inHg
Wind7.6 mph NE
Humidity49%
Visibility—
Dew point37°

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 Greenville, 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 Greenville, 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.