EN
English Español

As of 05:45 CDT

Weather in Newcastle, IL

67°Current weather

Newcastle, Sunday, 9 August, 05:45

Mostly clear. Feels like 68°. High 92°, low 67°.

Pressure30.03 inHg
Wind4.3 mph S
Humidity98%
Visibility6.2 mi
Dew point66°

10-day forecast for Newcastle, IL: 67° to 103°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.

103°
Best day: Sunday, August 16
101° · 0.52 in
Worst day: Wednesday, August 12

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1097° / 75°0Clear
MorningClear80°feels 80°
AfternoonClear97°feels 100°
EveningClear84°feels 89°
OvernightClear77°feels 79°
97 °Clear

Newcastle, Monday, 10 August

Clear. High 97°, low 75°.

Pressure30.00 inHg
Wind13 mph SW
Humidity44%
Visibility6.2 mi
Dew point69°
Tue, 11100° / 76°0Mostly clear
MorningOvercast81°feels 84°
AfternoonClear99°feels 103°
EveningClear88°feels 93°
OvernightOvercast77°feels 78°
100 °Mostly clear

Newcastle, Tuesday, 11 August

Mostly clear. High 100°, low 76°.

Pressure29.94 inHg
Wind14.5 mph SW
Humidity39%
Visibility6.2 mi
Dew point67°
Wed, 12101° / 74°0.52Rain
MorningOvercast81°feels 84°
AfternoonMostly clear101°feels 106°
EveningRain77°feels 78°
OvernightOvercast82°feels 84°
101 °Rain

Newcastle, Wednesday, 12 August

Rain. High 101°, low 74°.

Pressure29.83 inHg
Wind13.9 mph SW
Humidity38%
Visibility6.2 mi
Dew point67°
Thu, 1393° / 72°0.14Light rain
MorningLight rain77°feels 79°
AfternoonLight rain88°feels 94°
EveningLight rain84°feels 91°
OvernightOvercast72°feels 73°
93 °Light rain

Newcastle, Thursday, 13 August

Light rain. High 93°, low 72°.

Pressure29.91 inHg
Wind10.6 mph NE
Humidity55%
Visibility—
Dew point68°
Fri, 1484° / 69°0.13Light rain
MorningLight rain71°feels 72°
AfternoonLight rain75°feels 76°
EveningLight rain78°feels 79°
OvernightLight rain72°feels 73°
84 °Light rain

Newcastle, Friday, 14 August

Light rain. High 84°, low 69°.

Pressure30.03 inHg
Wind11.3 mph NE
Humidity84%
Visibility—
Dew point68°
Sat, 1594° / 67°0.08Light rain
MorningLight rain73°feels 75°
AfternoonLight rain88°feels 94°
EveningLight rain83°feels 90°
OvernightLight rain74°feels 76°
94 °Light rain

Newcastle, Saturday, 15 August

Light rain. High 94°, low 67°.

Pressure30.12 inHg
Wind9.6 mph E
Humidity54%
Visibility—
Dew point67°
Sun, 16103° / 71°0Overcast
MorningOvercast82°feels 84°
AfternoonOvercast100°feels 103°
EveningOvercast85°feels 91°
OvernightOvercast77°feels 79°
103 °Overcast

Newcastle, Sunday, 16 August

Overcast. High 103°, low 71°.

Pressure30.00 inHg
Wind13.6 mph NW
Humidity27%
Visibility—
Dew point59°
Mon, 1792° / 72°0.08Light rain
MorningLight rain77°feels 80°
AfternoonLight rain90°feels 95°
EveningLight rain84°feels 88°
OvernightLight rain75°feels 76°
92 °Light rain

Newcastle, Monday, 17 August

Light rain. High 92°, low 72°.

Pressure30.03 inHg
Wind8.6 mph NE
Humidity51%
Visibility—
Dew point68°
Tue, 1896° / 70°0.02Light rain
MorningLight rain77°feels 79°
AfternoonLight rain92°feels 96°
EveningLight rain85°feels 89°
OvernightLight rain77°feels 78°
96 °Light rain

Newcastle, Tuesday, 18 August

Light rain. High 96°, low 70°.

Pressure29.97 inHg
Wind8.8 mph E
Humidity41%
Visibility—
Dew point64°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Newcastle, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.