Newcastle, TX Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Newcastle, TX in one place.
Mostly sunny, with a high near 96. Heat index values as high as 106. South wind 10 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Newcastle, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 7, 2026 2:32 PM CDT.
The active forecast window currently covers Jun 8 to Jun 13, 2026 for Newcastle, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 8 to Jun 13, 2026
- Latest sync
- Jun 7, 2026 2:32 PM CDT
- Forecast office
- FWD
- Source
- NOAA / NWS
Daily Outlook
This Week in Newcastle
Thursday looks like the warmest upcoming period in Newcastle at 98 degrees F.
Thursday Night is the coolest period ahead with temperatures near 75 degrees F.
The strongest winds are forecast for Monday at about 10 to 15 mph S.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 7, 2026 2:32 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- FWD
- Radar station
- KDYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 76. Heat index values as high as 105. South wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 94. South wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 77. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 97. South wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 79. South wind around 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 98. South wind around 15 mph, with gusts as high as 25 mph.
A chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly clear, with a low around 75. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Sunny, with a high near 97. Chance of precipitation is 30%.
Mostly clear, with a low around 75.
Sunny, with a high near 96.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly clear, with a low around 75. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 8
|
Mostly Sunny
|
96°F |
10 to 15 mph
S
|
|
Monday Night
Jun 8
|
Mostly Clear
|
76°F |
5 to 15 mph
S
|
|
Tuesday
Jun 9
|
Sunny
|
94°F |
5 to 15 mph
S
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
77°F |
10 to 15 mph
S
|
|
Wednesday
Jun 10
|
Sunny
|
97°F |
10 to 15 mph
S
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
79°F |
15 mph
S
|
|
Thursday
Jun 11
|
Sunny
|
98°F |
15 mph
S
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms
|
75°F |
10 to 15 mph
SSE
|
|
Friday
Jun 12
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
97°F |
5 to 10 mph
S
|
|
Friday Night
Jun 12
|
Mostly Clear
|
75°F |
5 to 10 mph
SSE
|
|
Saturday
Jun 13
|
Sunny
|
96°F |
5 to 10 mph
S
|
|
Saturday Night
Jun 13
|
Slight Chance Showers And Thunderstorms
|
75°F |
5 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Newcastle.
