Grampian, PA Weather Forecast
Local 7-day forecast
Chance Rain And Snow Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Grampian, PA in one place.
A chance of rain showers before 7am, then a chance of rain and snow showers between 8am and 2pm. Partly sunny, with a high near 47. Northwest wind 12 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
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: Apr 18, 2026 8:22 PM EDT.
The active forecast window currently covers Apr 19 to Apr 25, 2026 for Grampian, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 25, 2026
- Latest sync
- Apr 18, 2026 8:22 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Grampian
Friday looks like the warmest upcoming period in Grampian at 76 degrees F.
Monday Night is the coolest period ahead with temperatures near 22 degrees F.
The strongest winds are forecast for Sunday at about 12 to 15 mph NW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 18, 2026 8:22 PM EDT
- Coverage
- 7 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
A chance of rain showers between 7pm and 8pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 28. West wind 6 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.
A slight chance of snow showers before 8am. Mostly sunny, with a high near 41. Northwest wind 8 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible.
Widespread frost after 4am. Mostly clear, with a low around 22. West wind 1 to 10 mph.
Widespread frost before 8am. Sunny, with a high near 57.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.
A chance of rain showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 41.
Sunny, with a high near 72.
Mostly clear, with a low around 49.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76.
A chance of showers and thunderstorms. Partly cloudy, with a low around 53. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Chance Rain And Snow Showers
|
47°F |
12 to 15 mph
NW
|
|
Sunday Night
Apr 19
|
Chance Rain And Snow Showers
|
28°F |
6 to 12 mph
W
|
|
Monday
Apr 20
|
Slight Chance Snow Showers then Mostly Sunny
|
41°F |
8 to 12 mph
NW
|
|
Monday Night
Apr 20
|
Mostly Clear then Widespread Frost
|
22°F |
1 to 10 mph
W
|
|
Tuesday
Apr 21
|
Widespread Frost then Sunny
|
57°F |
1 to 9 mph
S
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
42°F |
7 mph
SW
|
|
Wednesday
Apr 22
|
Chance Rain Showers
|
66°F |
6 to 9 mph
W
|
|
Wednesday Night
Apr 22
|
Slight Chance Rain Showers then Partly Cloudy
|
41°F |
2 to 7 mph
NW
|
|
Thursday
Apr 23
|
Sunny
|
72°F |
2 to 6 mph
W
|
|
Thursday Night
Apr 23
|
Mostly Clear
|
49°F |
5 mph
SW
|
|
Friday
Apr 24
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
76°F |
2 to 8 mph
SW
|
|
Friday Night
Apr 24
|
Chance Showers And Thunderstorms
|
53°F |
3 to 7 mph
S
|
|
Saturday
Apr 25
|
Showers And Thunderstorms Likely
|
69°F |
6 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grampian.