Marietta, PA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Marietta, PA in one place.
Partly sunny, with a high near 64. Southeast wind around 5 mph.
Local Weather Overview
This forecast page for Marietta, 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: Oct 15, 2026 7:44 PM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Marietta, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 7:44 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Marietta
Friday looks like the warmest upcoming period in Marietta at 81 degrees F.
Saturday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday Night at about 16 to 21 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 7:44 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KLWX
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 2am, then showers and thunderstorms likely. Cloudy, with a low around 59. Southeast wind 5 to 14 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 81. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 3am. Mostly cloudy, with a low around 47. Northwest wind 16 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 52. North wind 16 to 21 mph, with gusts as high as 28 mph.
Mostly clear, with a low around 36.
Areas of frost before 9am. Sunny, with a high near 57.
Mostly clear, with a low around 39.
Sunny, with a high near 62.
Mostly clear, with a low around 43.
Mostly sunny, with a high near 65.
Mostly clear, with a low around 47.
Sunny, with a high near 65.
Mostly clear, with a low around 45.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Partly Sunny
|
64°F |
5 mph
SE
|
|
Tonight
Oct 15
|
Showers And Thunderstorms Likely
|
59°F |
5 to 14 mph
SE
|
|
Friday
Oct 16
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
81°F |
15 mph
SW
|
|
Friday Night
Oct 16
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
47°F |
16 to 21 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
52°F |
16 to 21 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
36°F |
5 to 14 mph
N
|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
57°F |
5 mph
NW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
39°F |
5 mph
SE
|
|
Monday
Oct 19
|
Sunny
|
62°F |
1 to 6 mph
SW
|
|
Monday Night
Oct 19
|
Mostly Clear
|
43°F |
1 to 5 mph
E
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
65°F |
3 mph
NW
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
47°F |
5 mph
N
|
|
Wednesday
Oct 21
|
Sunny
|
65°F |
6 mph
N
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
45°F |
5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Marietta.