Newtown Square, PA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Newtown Square, PA in one place.
Sunny, with a high near 90. West wind around 5 mph.
Local Weather Overview
This forecast page for Newtown Square, PA 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: Aug 9, 2026 1:09 AM EDT.
The active forecast window currently covers Aug 9 to Aug 15, 2026 for Newtown Square, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 9 to Aug 15, 2026
- Latest sync
- Aug 9, 2026 1:09 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Newtown Square
Monday looks like the warmest upcoming period in Newtown Square at 91 degrees F.
Friday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Monday at about 0 to 10 mph W.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 9, 2026 1:09 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- PHI
- Radar station
- KDIX
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 72. West wind 0 to 5 mph.
A slight chance of rain showers between 2pm and 5pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 91. West wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 74. West wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers between 8am and 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 83.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 63.
A slight chance of rain showers after 8am. Mostly sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Aug 9
|
Sunny
|
90°F |
5 mph
W
|
|
Sunday Night
Aug 9
|
Mostly Clear
|
72°F |
0 to 5 mph
W
|
|
Monday
Aug 10
|
Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
0 to 10 mph
W
|
|
Monday Night
Aug 10
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
74°F |
5 mph
W
|
|
Tuesday
Aug 11
|
Slight Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
W
|
|
Tuesday Night
Aug 11
|
Showers And Thunderstorms Likely
|
69°F |
5 mph
W
|
|
Wednesday
Aug 12
|
Partly Sunny then Chance Showers And Thunderstorms
|
86°F |
5 mph
W
|
|
Wednesday Night
Aug 12
|
Chance Showers And Thunderstorms
|
69°F |
0 to 5 mph
W
|
|
Thursday
Aug 13
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
85°F |
5 to 10 mph
W
|
|
Thursday Night
Aug 13
|
Slight Chance Showers And Thunderstorms
|
68°F |
5 mph
W
|
|
Friday
Aug 14
|
Mostly Sunny then Slight Chance Rain Showers
|
83°F |
5 to 10 mph
NW
|
|
Friday Night
Aug 14
|
Slight Chance Rain Showers then Partly Cloudy
|
63°F |
5 mph
NW
|
|
Saturday
Aug 15
|
Slight Chance Rain Showers
|
81°F |
5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Newtown Square.