Grassmere Park, PA Weather Forecast
Local 7-day forecast
Patchy Fog then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grassmere Park, PA in one place.
Patchy fog between 7am and 10am. Mostly sunny, with a high near 79. West wind 0 to 3 mph.
Local Weather Overview
This forecast page for Grassmere Park, 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: Sep 15, 2026 10:14 AM EDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Grassmere Park, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 10:14 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Grassmere Park
Thursday looks like the warmest upcoming period in Grassmere Park at 82 degrees F.
Monday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Saturday Night at about 5 to 9 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 10:14 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KBGM
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 63. Northwest wind around 1 mph.
A chance of rain showers between 8am and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Southwest wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 53.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 72.
A slight chance of rain showers before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 80%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Patchy Fog then Mostly Sunny
|
79°F |
0 to 3 mph
W
|
|
Wednesday Night
Sep 16
|
Mostly Cloudy
|
63°F |
1 mph
NW
|
|
Thursday
Sep 17
|
Chance Rain Showers
|
82°F |
0 to 5 mph
SW
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
63°F |
3 mph
NW
|
|
Friday
Sep 18
|
Mostly Sunny
|
77°F |
3 to 7 mph
N
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
53°F |
3 to 7 mph
NE
|
|
Saturday
Sep 19
|
Partly Sunny then Slight Chance Rain Showers
|
72°F |
6 mph
SE
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
59°F |
5 to 9 mph
S
|
|
Sunday
Sep 20
|
Showers And Thunderstorms
|
76°F |
9 mph
SW
|
|
Sunday Night
Sep 20
|
Showers And Thunderstorms
|
57°F |
6 mph
N
|
|
Monday
Sep 21
|
Chance Rain Showers
|
71°F |
7 mph
NE
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
52°F |
8 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grassmere Park.