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As of 12:42 CDT

Weather in Newcastle, IL

76°Current weather

Newcastle, Wednesday, 28 October, 12:42

Clear. Feels like 75°. High 76°, low 49°.

Pressure30.24 inHg
Wind6.3 mph S
Humidity44%
Visibility6.2 mi
Dew point52°
Thu, 2977° / 50°0Mostly clear
77 °Mostly clear

Newcastle, Thursday, 29 October

Mostly clear. High 77°, low 50°.

Pressure30.21 inHg
Wind8.5 mph SW
Humidity50%
Visibility6.2 mi
Dew point53°
Fri, 3078° / 53°0Overcast
78 °Overcast

Newcastle, Friday, 30 October

Overcast. High 78°, low 53°.

Pressure30.24 inHg
Wind5.3 mph E
Humidity53%
Visibility6.2 mi
Dew point58°
Sat, 3170° / 60°0Overcast
70 °Overcast

Newcastle, Saturday, 31 October

Overcast. High 70°, low 60°.

Pressure30.24 inHg
Wind5.5 mph E
Humidity71%
Visibility6.2 mi
Dew point56°
Sun, 0172° / 59°0.01Light rain
72 °Light rain

Newcastle, Sunday, 1 November

Light rain. High 72°, low 59°.

Pressure30.24 inHg
Wind7.1 mph SE
Humidity65%
Visibility6.2 mi
Dew point58°
Mon, 0271° / 58°0.02Light rain
71 °Light rain

Newcastle, Monday, 2 November

Light rain. High 71°, low 58°.

Pressure30.12 inHg
Wind11.6 mph S
Humidity64%
Visibility—
Dew point56°
Tue, 0365° / 61°0.87Heavy rain
65 °Heavy rain

Newcastle, Tuesday, 3 November

Heavy rain. High 65°, low 61°.

Pressure29.83 inHg
Wind11.9 mph SE
Humidity95%
Visibility—
Dew point60°
Wed, 0464° / 61°0.5Rain
64 °Rain

Newcastle, Wednesday, 4 November

Rain. High 64°, low 61°.

Pressure29.71 inHg
Wind14.9 mph SE
Humidity88%
Visibility—
Dew point60°
Thu, 0563° / 58°0.31Rain
63 °Rain

Newcastle, Thursday, 5 November

Rain. High 63°, low 58°.

Pressure29.62 inHg
Wind12.1 mph NW
Humidity93%
Visibility—
Dew point58°
Fri, 0663° / 50°0.01Light rain
63 °Light rain

Newcastle, Friday, 6 November

Light rain. High 63°, low 50°.

Pressure29.91 inHg
Wind11.5 mph NW
Humidity54%
Visibility—
Dew point45°
Sat, 0757° / 43°0Overcast
57 °Overcast

Newcastle, Saturday, 7 November

Overcast. High 57°, low 43°.

Pressure30.21 inHg
Wind8.8 mph N
Humidity45%
Visibility—
Dew point34°
Sun, 0855° / 40°0Overcast
55 °Overcast

Newcastle, Sunday, 8 November

Overcast. High 55°, low 40°.

Pressure30.33 inHg
Wind7.8 mph E
Humidity44%
Visibility—
Dew point30°
Mon, 0961° / 40°0Overcast
61 °Overcast

Newcastle, Monday, 9 November

Overcast. High 61°, low 40°.

Pressure30.12 inHg
Wind11.4 mph S
Humidity50%
Visibility—
Dew point39°
Tue, 1058° / 50°0.31Rain
58 °Rain

Newcastle, Tuesday, 10 November

Rain. High 58°, low 50°.

Pressure29.83 inHg
Wind18 mph SE
Humidity89%
Visibility—
Dew point49°
Wed, 1152° / 46°0.49Rain
52 °Rain

Newcastle, Wednesday, 11 November

Rain. High 52°, low 46°.

Pressure29.80 inHg
Wind14.2 mph N
Humidity92%
Visibility—
Dew point50°
Thu, 1249° / 44°0.02Light rain
49 °Light rain

Newcastle, Thursday, 12 November

Light rain. High 49°, low 44°.

Pressure29.97 inHg
Wind13.5 mph N
Humidity75%
Visibility—
Dew point40°

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 Newcastle, 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 Newcastle, 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.