Newcastle, WA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Newcastle, WA in one place.
Mostly sunny, with a high near 74. North wind 3 to 8 mph.
Local Weather Overview
This forecast page for Newcastle, WA 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 1, 2026 10:33 AM PDT.
The active forecast window currently covers Jun 1 to Jun 7, 2026 for Newcastle, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 1 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 10:33 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Newcastle
Tuesday looks like the warmest upcoming period in Newcastle at 84 degrees F.
Saturday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Friday at about 7 to 10 mph SSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 10:33 AM PDT
- Coverage
- 8 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KATX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 54. North northeast wind 3 to 7 mph.
Sunny, with a high near 84. North wind around 5 mph.
Partly cloudy, with a low around 58. North northeast wind 2 to 8 mph.
Mostly cloudy, with a high near 72. South southwest wind around 9 mph.
Mostly cloudy, with a low around 53.
Partly sunny, with a high near 69.
Mostly cloudy, with a low around 51.
A chance of rain after 5pm. Partly sunny, with a high near 66.
A chance of rain. Mostly cloudy, with a low around 50.
Rain likely. Mostly cloudy, with a high near 61.
Rain likely. Mostly cloudy, with a low around 48.
A chance of rain. Partly sunny, with a high near 66.
A slight chance of rain before 11pm. Mostly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jun 1
|
Mostly Sunny
|
74°F |
3 to 8 mph
N
|
|
Tonight
Jun 1
|
Mostly Cloudy
|
54°F |
3 to 7 mph
NNE
|
|
Tuesday
Jun 2
|
Sunny
|
84°F |
5 mph
N
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
58°F |
2 to 8 mph
NNE
|
|
Wednesday
Jun 3
|
Mostly Cloudy
|
72°F |
9 mph
SSW
|
|
Wednesday Night
Jun 3
|
Mostly Cloudy
|
53°F |
8 mph
SW
|
|
Thursday
Jun 4
|
Partly Sunny
|
69°F |
7 mph
SW
|
|
Thursday Night
Jun 4
|
Mostly Cloudy
|
51°F |
3 to 7 mph
WSW
|
|
Friday
Jun 5
|
Partly Sunny then Chance Light Rain
|
66°F |
7 to 10 mph
SSW
|
|
Friday Night
Jun 5
|
Chance Light Rain
|
50°F |
10 mph
SSW
|
|
Saturday
Jun 6
|
Light Rain Likely
|
61°F |
10 mph
SSW
|
|
Saturday Night
Jun 6
|
Light Rain Likely
|
48°F |
8 mph
S
|
|
Sunday
Jun 7
|
Chance Light Rain
|
66°F |
6 mph
SSW
|
|
Sunday Night
Jun 7
|
Slight Chance Light Rain then Mostly Cloudy
|
50°F |
5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Newcastle.
