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Newcastle OK Weather - Partly Cloudy - 98°F
Partly Cloudy
98°F
Updated 5:49 pm
Feels Like 91°F
Humidity 27%
Wind S 12 mph
Barometer  30.02 in
Dew Point 59°F
Newcastle OK Weather - Partly Cloudy - 37°C
Partly Cloudy
37°C
Updated 5:49 pm
Feels Like 33°C
Humidity 27%
Wind S 19 km/h
Barometer  101.6 kPa
Dew Point 15°C
Newcastle, OK Weather and Current Conditionsnewcastle ok weather forecast

Newcastle, OK Weather Forecast

Newcastle Oklahoma WeatherNewcastle, Oklahoma Weather Weather Forecast
14 day API Newcastle, OK weather forecast. Note. Our 7-day weather forecast for Newcastle, Oklahoma is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Newcastle, OK Weather Forecast Dated: 549 PM Fri Sep 18 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.

Friday, September 18, 2026

Mid-Morning
Newcastle Weather - 2026-09-18 - Morning - Sunny
81°F 27°C
Sunny
Mid-Afternoon
Newcastle Weather - 2026-09-18 - Afternoon - Sunny
97°F 36°C
Sunny
Early-Evening
Newcastle Weather - 2026-09-18 - Evening - Sunny
93°F 34°C
Sunny
Very hot with temperatures reaching 97°F 36°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the SSW to the S at 12 mph 19 km/h. Gusts up to 22 mph 35 km/h.

Saturday, September 19, 2026

Mid-Morning
Newcastle Weather - 2026-09-19 - Morning - Sunny
80°F 27°C
Sunny
Mid-Afternoon
Newcastle Weather - 2026-09-19 - Afternoon - Sunny
99°F 37°C
Sunny
Early-Evening
Newcastle Weather - 2026-09-19 - Evening - Overcast
94°F 35°C
Overcast
Hot and sweltering around 99°F 37°C, sunny through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling. Winds switching from the SSW to the S at 17 mph 27 km/h. Gusts up to 30 mph 47 km/h.

Sunday, September 20, 2026

Mid-Morning
Newcastle Weather - 2026-09-20 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Newcastle Weather - 2026-09-20 - Afternoon - Nearby Thunderstorms
97°F 36°C
Nearby Thunderstorms
Early-Evening
Newcastle Weather - 2026-09-20 - Evening - Sunny
83°F 28°C
Sunny
Sizzling hot with 97°F 36°C, heavy thunderstorms conditions at times, with increasing humidity and steady pressure. Winds moving from the SSW to the SSE at 16 mph 26 km/h. Gusts up to 26 mph 43 km/h.

Monday, September 21, 2026

Mid-Morning
Newcastle Weather - 2026-09-21 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Newcastle Weather - 2026-09-21 - Afternoon - Overcast
85°F 29°C
Overcast
Early-Evening
Newcastle Weather - 2026-09-21 - Evening - Sunny
80°F 27°C
Sunny
Warm temperatures up to 85°F 29°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds swinging from the ENE to the NE at 13 mph 21 km/h. Gusts up to 23 mph 37 km/h.

Tuesday, September 22, 2026

Mid-Morning
Newcastle Weather - 2026-09-22 - Morning - Light Showers
65°F 18°C
Light Showers
Mid-Afternoon
Newcastle Weather - 2026-09-22 - Afternoon - Overcast
84°F 29°C
Overcast
Early-Evening
Newcastle Weather - 2026-09-22 - Evening - Cloudy
79°F 26°C
Cloudy
Very warm with a high of 84°F 29°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds blowing from the NE at 10 mph 15 km/h. Gusts up to 20 mph 32 km/h.

Wednesday, September 23, 2026

Mid-Morning
Newcastle Weather - 2026-09-23 - Morning - Scattered Showers
70°F 21°C
Scattered Showers
Mid-Afternoon
Newcastle Weather - 2026-09-23 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Newcastle Weather - 2026-09-23 - Evening - Cloudy
82°F 28°C
Cloudy
Warm and summery near 86°F 30°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds E at 7 mph 12 km/h. Gusts up to 21 mph 33 km/h.

Thursday, September 24, 2026

Mid-Morning
Newcastle Weather - 2026-09-24 - Morning - Scattered Showers
75°F 24°C
Scattered Showers
Mid-Afternoon
Newcastle Weather - 2026-09-24 - Afternoon - Scattered Showers
86°F 30°C
Scattered Showers
Early-Evening
Newcastle Weather - 2026-09-24 - Evening - Cloudy
83°F 28°C
Cloudy
Balmy with temperatures reaching 86°F 30°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the ESE to the W at 10 mph 16 km/h.

Friday, September 25, 2026

Mid-Morning
Newcastle Weather - 2026-09-25 - Morning - Scattered Showers
70°F 21°C
Scattered Showers
Mid-Afternoon
Newcastle Weather - 2026-09-25 - Afternoon - Scattered Showers
72°F 22°C
Scattered Showers
Early-Evening
Newcastle Weather - 2026-09-25 - Evening - Scattered Showers
73°F 23°C
Scattered Showers
Enjoyable around 72°F 22°C, scattered downpours possible, with lower humidity and steady pressure.

Saturday, September 26, 2026

Mid-Morning
Newcastle Weather - 2026-09-26 - Morning - Light Showers
68°F 20°C
Light Showers
Mid-Afternoon
Newcastle Weather - 2026-09-26 - Afternoon - Scattered Showers
80°F 26°C
Scattered Showers
Early-Evening
Newcastle Weather - 2026-09-26 - Evening - Sunny
85°F 30°C
Sunny
Warm temperatures up to 80°F 26°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds blowing from the S at 10 mph 17 km/h.

Sunday, September 27, 2026

Mid-Morning
Newcastle Weather - 2026-09-27 - Morning - Sunny
76°F 24°C
Sunny
Mid-Afternoon
Newcastle Weather - 2026-09-27 - Afternoon - Sunny
91°F 33°C
Sunny
Early-Evening
Newcastle Weather - 2026-09-27 - Evening - Sunny
90°F 32°C
Sunny
Very hot with a high of 91°F 33°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds swinging from the S to the SSE at 14 mph 21 km/h. Gusts up to 24 mph 39 km/h.

Monday, September 28, 2026

Mid-Morning
Newcastle Weather - 2026-09-28 - Morning - Overcast
78°F 26°C
Overcast
Mid-Afternoon
Newcastle Weather - 2026-09-28 - Afternoon - Overcast
93°F 34°C
Overcast
Early-Evening
Newcastle Weather - 2026-09-28 - Evening - Sunny
92°F 33°C
Sunny
Very hot with temperatures reaching 93°F 34°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds shifting from the S to the SSE at 13 mph 20 km/h. Gusts up to 24 mph 38 km/h.

Tuesday, September 29, 2026

Mid-Morning
Newcastle Weather - 2026-09-29 - Morning - Partly Cloudy
79°F 26°C
Partly Cloudy
Mid-Afternoon
Newcastle Weather - 2026-09-29 - Afternoon - Sunny
94°F 35°C
Sunny
Early-Evening
Newcastle Weather - 2026-09-29 - Evening - Cloudy
75°F 24°C
Cloudy
Hot and sweltering around 94°F 35°C, cloudy through the afternoon, turning overcast this evening, with increasing humidity and steady pressure. Winds turning from the SSE to the ESE at 16 mph 26 km/h. Gusts up to 26 mph 41 km/h.

Wednesday, September 30, 2026

Mid-Morning
Newcastle Weather - 2026-09-30 - Morning - Overcast
70°F 21°C
Overcast
Mid-Afternoon
Newcastle Weather - 2026-09-30 - Afternoon - Overcast
83°F 28°C
Overcast
Early-Evening
Newcastle Weather - 2026-09-30 - Evening - Overcast
71°F 22°C
Overcast
Quite warm around 83°F 28°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the ESE to the SE at 16 mph 26 km/h. Gusts up to 25 mph 39 km/h.

Thursday, October 1, 2026

Mid-Morning
Newcastle Weather - 2026-10-01 - Morning - Overcast
60°F 15°C
Overcast
Mid-Afternoon
Newcastle Weather - 2026-10-01 - Afternoon - Overcast
69°F 21°C
Overcast
Early-Evening
Newcastle Weather - 2026-10-01 - Evening - Overcast
64°F 18°C
Overcast
Mild temperatures up to 69°F 21°C, overcast throughout the day, with lower humidity and steady pressure. Winds out of the NNE at 21 mph 33 km/h. Gusts up to 23 mph 37 km/h.

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Weather by the Numbers

Fri, 18th
Newcastle OK Weather - Friday, Sep 18, 2026 - Sunny
Hi: 97°F 36°C
Lo: 79°F 26°C
Sunrise 07:16 AM
Sunset 07:33 PM
Wind S 13 mph22 km/h
Dew Point 58°F14°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 0% *
Humidity 31%
Sat, 19th
Newcastle OK Weather - Saturday, Sep 19, 2026 - Partly Cloudy
Hi: 100°F 38°C
Lo: 78°F 26°C
Sunrise 07:16 AM
Sunset 07:32 PM
Wind SSW 16 mph25 km/h
Dew Point 58°F14°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 3% *
Humidity 30%
Sun, 20th
Newcastle OK Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 97°F 36°C
Lo: 72°F 22°C
Sunrise 07:17 AM
Sunset 07:30 PM
Wind SW 11 mph18 km/h
Dew Point 62°F17°C
uv Index 6
Barometric Pressure 29.85 in1011 mb
POP 10% *
Humidity 42%
Mon, 21st
Newcastle OK Weather - Monday, Sep 21, 2026 - Patchy Rain Nearby
Hi: 87°F 31°C
Lo: 70°F 21°C
Sunrise 07:18 AM
Sunset 07:29 PM
Wind E 2 mph3 km/h
Dew Point 63°F17°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 12% *
Humidity 57%
Tue, 22nd
Newcastle OK Weather - Tuesday, Sep 22, 2026 - Patchy Rain Nearby
Hi: 84°F 29°C
Lo: 63°F 17°C
Sunrise 07:19 AM
Sunset 07:27 PM
Wind NE 9 mph15 km/h
Dew Point 62°F17°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 18% *
Humidity 62%
Wed, 23rd
Newcastle OK Weather - Wednesday, Sep 23, 2026 - Cloudy
Hi: 88°F 31°C
Lo: 67°F 20°C
Sunrise 07:19 AM
Sunset 07:26 PM
Wind ESE 9 mph14 km/h
Dew Point 62°F17°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 5% *
Humidity 57%
Thu, 24th
Newcastle OK Weather - Thursday, Sep 24, 2026 - Patchy Rain Nearby
Hi: 87°F 30°C
Lo: 73°F 23°C
Sunrise 07:20 AM
Sunset 07:24 PM
Wind SSE 13 mph20 km/h
Dew Point 57°F14°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 17% *
Humidity 43%
Fri, 25th
Newcastle OK Weather - Friday, Sep 25, 2026 - Overcast
Hi: 75°F 24°C
Lo: 69°F 20°C
Sunrise 07:21 AM
Sunset 07:23 PM
Wind ENE 6 mph9 km/h
Dew Point 58°F15°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 17% *
Humidity 67%
Sat, 26th
Newcastle OK Weather - Saturday, Sep 26, 2026 - Light Rain Shower
Hi: 88°F 31°C
Lo: 67°F 19°C
Sunrise 07:22 AM
Sunset 07:21 PM
Wind SSE 11 mph17 km/h
Dew Point 57°F14°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 36% *
Humidity 57%
Sun, 27th
Newcastle OK Weather - Sunday, Sep 27, 2026 - Sunny
Hi: 93°F 34°C
Lo: 73°F 23°C
Sunrise 07:22 AM
Sunset 07:20 PM
Wind S 17 mph27 km/h
Dew Point 47°F8°C
uv Index 7
Barometric Pressure 29.83 in1010 mb
POP 0% *
Humidity 27%
Mon, 28th
Newcastle OK Weather - Monday, Sep 28, 2026 - Overcast
Hi: 94°F 35°C
Lo: 78°F 26°C
Sunrise 07:23 AM
Sunset 07:18 PM
Wind SSW 15 mph24 km/h
Dew Point 50°F10°C
uv Index 7
Barometric Pressure 29.71 in1006 mb
POP 9% *
Humidity 29%
Tue, 29th
Newcastle OK Weather - Tuesday, Sep 29, 2026 - Cloudy
Hi: 95°F 35°C
Lo: 69°F 21°C
Sunrise 07:24 AM
Sunset 07:17 PM
Wind S 13 mph22 km/h
Dew Point 55°F13°C
uv Index 7
Barometric Pressure 29.71 in1006 mb
POP 2% *
Humidity 33%
Wed, 30th
Newcastle OK Weather - Wednesday, Sep 30, 2026 - Partly Cloudy
Hi: 84°F 29°C
Lo: 63°F 17°C
Sunrise 07:25 AM
Sunset 07:16 PM
Wind N 8 mph13 km/h
Dew Point 62°F17°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 12% *
Humidity 61%
Thu, 1st
Newcastle OK Weather - Thursday, Oct 1, 2026 - Overcast
Hi: 70°F 21°C
Lo: 58°F 15°C
Sunrise 07:26 AM
Sunset 07:14 PM
Wind NNE 21 mph35 km/h
Dew Point 43°F6°C
uv Index 4
Barometric Pressure 30.15 in1021 mb
POP 11% *
Humidity 44%
* POP = Probability of Precipitation. Data for 12:00 PM.