As of 08:20 CST

Weather in Newcastle, IL

33°

Newcastle, Sunday, 15 November, 08:20

Mostly clear. Feels like 29°. High 53°, low 28°.

Pressure30.45 inHg

Wind3.6 mph NE

Humidity86%

Visibility6.2 mi

Dew point30°

See detailed hourly forecast

Mon, 1656° / 29°

56 °

Newcastle, Monday, 16 November

Clear. High 56°, low 29°.

Pressure30.53 inHg

Wind4.6 mph E

Humidity49%

Visibility6.2 mi

Dew point34°

Tue, 1760° / 34°

60 °

Newcastle, Tuesday, 17 November

Clear. High 60°, low 34°.

Pressure30.50 inHg

Wind3.8 mph S

Humidity50%

Visibility6.2 mi

Dew point40°

Wed, 1860° / 40°

60 °

Newcastle, Wednesday, 18 November

Overcast. High 60°, low 40°.

Pressure30.42 inHg

Wind9.1 mph S

Humidity44%

Visibility6.2 mi

Dew point38°

Thu, 1965° / 46°

65 °

Newcastle, Thursday, 19 November

Mostly clear. High 65°, low 46°.

Pressure30.39 inHg

Wind9.5 mph S

Humidity51%

Visibility—

Dew point43°

Fri, 2068° / 51°

68 °

Newcastle, Friday, 20 November

Overcast. High 68°, low 51°.

Pressure30.33 inHg

Wind6.2 mph S

Humidity57%

Visibility—

Dew point50°

Sat, 2167° / 45°

67 °

Newcastle, Saturday, 21 November

Mostly clear. High 67°, low 45°.

Pressure30.12 inHg

Wind10.7 mph S

Humidity29%

Visibility—

Dew point30°

Sun, 2262° / 47°

62 °

Newcastle, Sunday, 22 November

Clear. High 62°, low 47°.

Pressure30.12 inHg

Wind10.5 mph N

Humidity41%

Visibility—

Dew point37°

Mon, 2353° / 38°

53 °

Newcastle, Monday, 23 November

Clear. High 53°, low 38°.

Pressure30.24 inHg

Wind10.5 mph NE

Humidity41%

Visibility—

Dew point27°

Tue, 2453° / 33°

53 °

Newcastle, Tuesday, 24 November

Overcast. High 53°, low 33°.

Pressure30.27 inHg

Wind9.8 mph E

Humidity31%

Visibility—

Dew point20°

Wed, 2560° / 36°

60 °

Newcastle, Wednesday, 25 November

Overcast. High 60°, low 36°.

Pressure30.18 inHg

Wind6.5 mph SE

Humidity44%

Visibility—

Dew point33°

Thu, 2661° / 44°

61 °

Newcastle, Thursday, 26 November

Overcast. High 61°, low 44°.

Pressure30.09 inHg

Wind8.3 mph SE

Humidity40%

Visibility—

Dew point34°

Fri, 2754° / 50°

0.24

54 °

Newcastle, Friday, 27 November

Rain. High 54°, low 50°.

Pressure29.97 inHg

Wind7.3 mph E

Humidity92%

Visibility—

Dew point51°

Sat, 2858° / 43°

58 °

Newcastle, Saturday, 28 November

Clear. High 58°, low 43°.

Pressure30.00 inHg

Wind9.2 mph N

Humidity44%

Visibility—

Dew point34°

Sun, 2956° / 37°

56 °

Newcastle, Sunday, 29 November

Overcast. High 56°, low 37°.

Pressure30.03 inHg

Wind8.4 mph E

Humidity46%

Visibility—

Dew point32°

Mon, 3052° / 41°

52 °

Newcastle, Monday, 30 November

Overcast. High 52°, low 41°.

Pressure30.03 inHg

Wind13.1 mph N

Humidity54%

Visibility—

Dew point34°

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.