Saint Marys, PA Weather Forecast
Local 7-day forecast
Patchy Frost then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Marys, PA in one place.
Patchy frost between 7am and 9am. Sunny, with a high near 59. Northeast wind around 5 mph.
Local Weather Overview
This forecast page for Saint Marys, 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 22, 2026 8:02 PM EDT.
The active forecast window currently covers Oct 23 to Oct 29, 2026 for Saint Marys, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 23 to Oct 29, 2026
- Latest sync
- Oct 22, 2026 8:02 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Marys
Monday looks like the warmest upcoming period in Saint Marys at 67 degrees F.
Saturday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Thursday at about 3 to 7 mph S.
The forecast from Oct 23 through Oct 29 stays mostly dry.
Forecast Details
- Last updated
- Oct 22, 2026 8:02 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
Widespread frost after midnight. Mostly clear, with a low around 30. East wind around 1 mph.
Widespread frost before 10am. Sunny, with a high near 60. Southeast wind around 3 mph.
Widespread frost between 11pm and 3am, then widespread frost and patchy fog. Clear, with a low around 28. Southeast wind around 2 mph.
Widespread frost and patchy fog before 10am. Sunny, with a high near 63.
Mostly clear, with a low around 35.
Sunny, with a high near 67.
Partly cloudy, with a low around 39.
Partly sunny, with a high near 61.
Partly cloudy, with a low around 34.
Partly sunny, with a high near 61.
Mostly cloudy, with a low around 39.
Partly sunny, with a high near 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 23
|
Patchy Frost then Sunny
|
59°F |
5 mph
NE
|
|
Friday Night
Oct 23
|
Mostly Clear then Widespread Frost
|
30°F |
1 mph
E
|
|
Saturday
Oct 24
|
Widespread Frost then Sunny
|
60°F |
3 mph
SE
|
|
Saturday Night
Oct 24
|
Widespread Frost
|
28°F |
2 mph
SE
|
|
Sunday
Oct 25
|
Widespread Frost then Sunny
|
63°F |
0 to 3 mph
S
|
|
Sunday Night
Oct 25
|
Mostly Clear
|
35°F |
1 mph
SW
|
|
Monday
Oct 26
|
Sunny
|
67°F |
0 to 5 mph
W
|
|
Monday Night
Oct 26
|
Partly Cloudy
|
39°F |
3 mph
NW
|
|
Tuesday
Oct 27
|
Partly Sunny
|
61°F |
3 mph
NE
|
|
Tuesday Night
Oct 27
|
Partly Cloudy
|
34°F |
3 mph
E
|
|
Wednesday
Oct 28
|
Partly Sunny
|
61°F |
6 mph
SE
|
|
Wednesday Night
Oct 28
|
Mostly Cloudy
|
39°F |
5 mph
SE
|
|
Thursday
Oct 29
|
Partly Sunny
|
63°F |
3 to 7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Marys.
