Grampian, PA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grampian, PA in one place.
Sunny, with a high near 75. Southeast wind 5 to 9 mph.
Local Weather Overview
This forecast page for Grampian, 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 14, 2026 6:10 PM EDT.
The active forecast window currently covers Sep 15 to Sep 20, 2026 for Grampian, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 6:10 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Grampian
Wednesday looks like the warmest upcoming period in Grampian at 81 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 9 mph SE.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 6:10 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KCCX
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 53. Southeast wind 2 to 7 mph.
Mostly sunny, with a high near 81. South wind around 3 mph.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 81. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
A chance of rain showers. Partly sunny, with a high near 78. Chance of precipitation is 40%.
A chance of rain showers before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
A chance of rain showers after 8am. Partly sunny, with a high near 77. Chance of precipitation is 40%.
A chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Sunny
|
75°F |
5 to 9 mph
SE
|
|
Tuesday Night
Sep 15
|
Mostly Clear
|
53°F |
2 to 7 mph
SE
|
|
Wednesday
Sep 16
|
Mostly Sunny
|
81°F |
3 mph
S
|
|
Wednesday Night
Sep 16
|
Mostly Cloudy then Slight Chance Rain Showers
|
62°F |
2 mph
SE
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
81°F |
2 to 7 mph
SW
|
|
Thursday Night
Sep 17
|
Showers And Thunderstorms Likely
|
64°F |
5 mph
W
|
|
Friday
Sep 18
|
Chance Rain Showers
|
78°F |
5 mph
NW
|
|
Friday Night
Sep 18
|
Chance Rain Showers then Mostly Cloudy
|
57°F |
5 mph
NE
|
|
Saturday
Sep 19
|
Chance Rain Showers
|
77°F |
3 to 7 mph
S
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
61°F |
8 mph
SW
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
76°F |
8 mph
W
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
57°F |
8 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grampian.