Weather forecast for 10 days
Saint Marys, PA

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Weather forecast for the weekend

Saturday, May 10.

Sunny
5:58 am

8:23 pm
EDT
Sunny
70°F / 45°F
  • Wind: 11mph WNW
  • Humidity: 43%
  • Precip. probability: 5%
  • Precipitation: 0"
  • UV index: 8
Tomorrow, the outlook remains bright and sunny.
The temperature will fluctuate from a high of a pleasant 69.8°F to a low of a chilly 44.6°F.
May's typical peak of 66.9°F is forecasted to be mirrored in the day’s high.
Sunrise will be at 5:58 am and sunset at 8:23 pm; tomorrow's daylight will last for 14h and 25min.

Sunday, May 11.

Sunny
5:57 am

8:24 pm
EDT
Sunny
75°F / 48°F
  • Wind: 6mph NNE
  • Humidity: 46%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 8
On Sunday, May 11, expect consistent sunshine and open skies.
The day's temperature scale will range from a significant high of a temperate 75.2°F to a minimum of a chilly 48.2°F.
The temperature of 75.2°F reflects June's climate better than May's.
Sunrise will be at 5:57 am and sunset at 8:24 pm; the daylight will last for 14h and 27min.

Frequently asked questions

What is the weather forecast for Saint Marys for tomorrow?
On Saturday, clear skies and sunshine are anticipated.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 69.8°F, while the lowest temperature will be 44.6°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in May. The lowest temperature will be also in line with the average low of 46.8°F.
When is the sunrise / sunset tomorrow?
On Saturday, in Saint Marys, sunrise will be at 5:58 am and sunset at 8:23 pm (EDT).
How long will the day be tomorrow?
In Saint Marys, the length of the day tomorrow will be 14h and 25min.
What is the weather forecast for Saint Marys for Sunday?
On Sunday, conditions remain stable and sunny, with little cloud presence.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 75.2°F, while the minimum temperature will be 48.2°F.
What is the weather forecast for Saint Marys for the next ten days?
In Saint Marys, weather will be unstable, and a combination of overcast, mostly clear, wet and unstable weather is expected for the next ten days.
Will it rain in the next ten days?
Rainfall is forecasted for Tuesday through next Friday in Saint Marys. Tuesday, with light precipitation of 0.35", will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 55.4°F and 82.4°F, as the minimum temperature will vary between 39.2°F and 60.8°F.
What will be the warmest and the coldest days?
Monday will be the warmest day, with a maximum temperature of 82.4°F. Today is the coldest day, with a maximum temperature of 55.4°F.

Long-term weather forecast

FriMay 9.
  • 55°F
  • 39°F
Cloudy
Cloudy
  • Wind: 11mph N
  • Humidity: 64%
  • UV index: 5
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:59 am 8:21 pm EDT
SatMay 10.
  • 70°F
  • 45°F
Sunny
Sunny
  • Wind: 11mph WNW
  • Humidity: 43%
  • UV index: 8
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:58 am 8:23 pm EDT
SunMay 11.
  • 75°F
  • 48°F
Sunny
Sunny
  • Wind: 6mph NNE
  • Humidity: 46%
  • UV index: 8
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:57 am 8:24 pm EDT
MonMay 12.
  • 82°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph SSE
  • Humidity: 44%
  • UV index: 7
  • Precip. probability: 3%
  • Precipitation: 0.08"
  • 5:56 am 8:25 pm EDT
TueMay 13.
  • 66°F
  • 59°F
Showers
Showers
  • Wind: 11mph SE
  • Humidity: 82%
  • UV index: 3
  • Precip. probability: 53%
  • Precipitation: 0.35"
  • 5:55 am 8:26 pm EDT
WedMay 14.
  • 72°F
  • 59°F
Showers
Showers
  • Wind: 7mph SE
  • Humidity: 81%
  • UV index: 5
  • Precip. probability: 50%
  • Precipitation: 0.24"
  • 5:54 am 8:27 pm EDT
ThuMay 15.
  • 79°F
  • 61°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 6mph SSW
  • Humidity: 74%
  • UV index: 7
  • Precip. probability: 39%
  • Precipitation: 0.12"
  • 5:53 am 8:28 pm EDT
FriMay 16.
  • 79°F
  • 59°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 10mph SW
  • Humidity: 72%
  • UV index: 7
  • Precip. probability: 36%
  • Precipitation: 0.2"
  • 5:52 am 8:29 pm EDT
SatMay 17.
  • 75°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WSW
  • Humidity: 58%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:51 am 8:30 pm EDT
SunMay 18.
  • 73°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph W
  • Humidity: 60%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:50 am 8:31 pm EDT
And a mix of dull, sun-filled, rain-soaked and lightning-active weather is predicted.
Rainfall is expected on Tuesday through next Friday.
Noticeable swings in temperature are expected across the forecast period. Highs will range from 55.4°F to 82.4°F, while the lowest night temperatures will vary also significantly, as nighttime lows are forecast to fall between 39.2°F and 60.8°F.
With the highest temperature of 82.4°F, Monday will be the warmest day; today is the coldest day, with a maximum temperature of 55.4°F.
Updated: May 9, 2025 @ 07:54:46 UTC
Published by: Weather U.S. | About Us
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