Petersburg, PA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Petersburg, PA in one place.
Partly sunny, with a high near 63. East wind around 6 mph.
Local Weather Overview
This forecast page for Petersburg, 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 3:14 PM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Petersburg, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:14 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Petersburg
Friday looks like the warmest upcoming period in Petersburg at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph N.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 3:14 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 before 2am, then a chance of rain. Cloudy, with a low around 57. Southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. 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. Mostly cloudy, with a low around 45. Northwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 50. North wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Areas of frost after 3am. Mostly clear, with a low around 33.
Widespread frost before 9am. Sunny, with a high near 54.
Mostly clear, with a low around 38.
Sunny, with a high near 59.
Partly cloudy, with a low around 43.
Partly sunny, with a high near 62.
Partly cloudy, with a low around 44.
Mostly sunny, with a high near 62.
Mostly clear, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Partly Sunny
|
63°F |
6 mph
E
|
|
Tonight
Oct 15
|
Chance Rain Showers then Chance Light Rain
|
57°F |
6 to 13 mph
SE
|
|
Friday
Oct 16
|
Chance Light Rain then Showers And Thunderstorms Likely
|
77°F |
15 mph
S
|
|
Friday Night
Oct 16
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
45°F |
14 to 18 mph
NW
|
|
Saturday
Oct 17
|
Slight Chance Rain Showers then Mostly Sunny
|
50°F |
15 to 20 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear then Areas Of Frost
|
33°F |
5 to 14 mph
N
|
|
Sunday
Oct 18
|
Widespread Frost then Sunny
|
54°F |
6 mph
NE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
38°F |
5 mph
E
|
|
Monday
Oct 19
|
Sunny
|
59°F |
2 to 8 mph
NE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
43°F |
1 to 5 mph
N
|
|
Tuesday
Oct 20
|
Partly Sunny
|
62°F |
5 mph
N
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
44°F |
3 mph
N
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
62°F |
6 mph
N
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
44°F |
3 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Petersburg.