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As of 15:12 CDT

Weather in Greenwich, IL

64°Current weather

Greenwich, Sunday, 18 October, 15:12

Clear. Feels like 62°. High 64°, low 39°.

Pressure30.39 inHg
Wind12.7 mph SW
Humidity37%
Visibility6.2 mi
Dew point38°
Mon, 1966° / 40°0Clear
66 °Clear

Greenwich, Monday, 19 October

Clear. High 66°, low 40°.

Pressure30.39 inHg
Wind2.9 mph S
Humidity53%
Visibility6.2 mi
Dew point44°
Tue, 2066° / 40°0Clear
66 °Clear

Greenwich, Tuesday, 20 October

Clear. High 66°, low 40°.

Pressure30.39 inHg
Wind2.9 mph SE
Humidity50%
Visibility6.2 mi
Dew point44°
Wed, 2167° / 43°0Clear
67 °Clear

Greenwich, Wednesday, 21 October

Clear. High 67°, low 43°.

Pressure30.30 inHg
Wind1.6 mph SW
Humidity55%
Visibility6.2 mi
Dew point48°
Thu, 2267° / 46°0Overcast
67 °Overcast

Greenwich, Thursday, 22 October

Overcast. High 67°, low 46°.

Pressure30.30 inHg
Wind4 mph NE
Humidity61%
Visibility6.2 mi
Dew point51°
Fri, 2364° / 47°0Partly cloudy
64 °Partly cloudy

Greenwich, Friday, 23 October

Partly cloudy. High 64°, low 47°.

Pressure30.36 inHg
Wind8.6 mph SE
Humidity58%
Visibility—
Dew point47°
Sat, 2474° / 51°0Overcast
74 °Overcast

Greenwich, Saturday, 24 October

Overcast. High 74°, low 51°.

Pressure30.30 inHg
Wind15.4 mph S
Humidity41%
Visibility—
Dew point44°
Sun, 2566° / 49°0.07Light rain
66 °Light rain

Greenwich, Sunday, 25 October

Light rain. High 66°, low 49°.

Pressure30.42 inHg
Wind12.3 mph N
Humidity40%
Visibility—
Dew point35°
Mon, 2652° / 50°0.03Light rain
52 °Light rain

Greenwich, Monday, 26 October

Light rain. High 52°, low 50°.

Pressure30.33 inHg
Wind5.9 mph E
Humidity59%
Visibility—
Dew point37°
Tue, 2770° / 51°0Overcast
70 °Overcast

Greenwich, Tuesday, 27 October

Overcast. High 70°, low 51°.

Pressure30.27 inHg
Wind8.5 mph SE
Humidity47%
Visibility—
Dew point44°
Wed, 2863° / 59°0.07Light rain
63 °Light rain

Greenwich, Wednesday, 28 October

Light rain. High 63°, low 59°.

Pressure30.00 inHg
Wind15.5 mph S
Humidity63%
Visibility—
Dew point47°
Thu, 2967° / 60°0.41Rain
67 °Rain

Greenwich, Thursday, 29 October

Rain. High 67°, low 60°.

Pressure29.77 inHg
Wind14 mph S
Humidity85%
Visibility—
Dew point60°
Fri, 3073° / 56°0.46Rain
73 °Rain

Greenwich, Friday, 30 October

Rain. High 73°, low 56°.

Pressure29.77 inHg
Wind18.6 mph SE
Humidity59%
Visibility—
Dew point53°
Sat, 3166° / 48°0.78Rain
66 °Rain

Greenwich, Saturday, 31 October

Rain. High 66°, low 48°.

Pressure29.68 inHg
Wind22 mph SW
Humidity45%
Visibility—
Dew point36°
Sun, 0149° / 39°0Overcast
49 °Overcast

Greenwich, Sunday, 1 November

Overcast. High 49°, low 39°.

Pressure30.18 inHg
Wind20.8 mph W
Humidity55%
Visibility—
Dew point31°
Mon, 0256° / 38°0Mostly clear
56 °Mostly clear

Greenwich, Monday, 2 November

Mostly clear. High 56°, low 38°.

Pressure30.42 inHg
Wind7.6 mph SE
Humidity39%
Visibility—
Dew point27°

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 Greenwich, 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 Greenwich, 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.