Weather forecast for 10 days
Saint Johns, PA

Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
5:30 am

8:41 pm
EDT
Partly Cloudy
86°F / 68°F
  • Wind: 4mph WSW
  • Humidity: 63%
  • Precip. probability: 7%
  • Precipitation: 0"
  • UV index: 8
On Saturday, June 21, occasional clouds will pass by, but expect bright spells.
Rainfall is not anticipated. Temperatures will oscillate between a humid 86°F at their highest and an agreeable 68°F at their lowest.
It will be hotter, and the temperature will align more closely with July's average high of 81°F than June's.
Sunrise will be at 5:30 am and sunset at 8:41 pm; the daylight will last for 15h and 11min.

Sunday, Jun 22.

Partly Cloudy
5:30 am

8:41 pm
EDT
Partly Cloudy
90°F / 72°F
  • Wind: 6mph W
  • Humidity: 65%
  • Precip. probability: 9%
  • Precipitation: 0"
  • UV index: 8
On Sunday, in Saint Johns, sunlight and clouds will take turns dominating the sky.
Rainfall is not forecasted. The temperature is expected to vary between a maximum of a humid 89.6°F and a minimum of a pleasant 71.6°F.
On Sunday, the expected high temperature of 89.6°F better resembles July's average maximum than June's usual.
Sunrise will be at 5:30 am and sunset at 8:41 pm; the daylight will last for 15h and 11min.

Frequently asked questions

What is the weather forecast for Saint Johns for Saturday?
On Saturday, sun and clouds will share the sky, creating a partly cloudy day.
Will it rain on Saturday?
No, it will not rain on Saturday.
What will be the maximum temperature in Saint Johns on Saturday?
On Saturday, the maximum temperature will be 86°F, while the minimum temperature will be 68°F.
What is the weather forecast for Saint Johns for Sunday?
On Sunday, a partly cloudy outlook will keep the sky interesting throughout the day.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 89.6°F, while the lowest temperature will be 71.6°F.
What is the weather forecast for Saint Johns for the next ten days?
In Saint Johns, a combination of lightning-active, cloudy and sun-filled weather is predicted for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for next Thursday through next Saturday in Saint Johns. With light precipitation of 0.31", next Saturday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 78.8°F and 93.2°F, as the minimum temperature will vary between 59°F and 71.6°F.
Taking the humidity into consideration, the maximum feel-like temperature will range between 78.8°F and 109.4°F.
What will be the hottest and the coldest days?
The hottest days will be Monday and Tuesday, with a maximum of 93.2°F. The coldest days will be Friday, next Friday and Saturday, with a maximum of 78.8°F.

Long-term weather forecast

ThuJun 19.
  • min.
  • 59°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 8mph W
  • Humidity: 74%
  • UV index: 0
  • Precip. probability: 31%
  • Precipitation: 0"
  • 5:30 am 8:41 pm EDT
FriJun 20.
  • 79°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WNW
  • Humidity: 64%
  • UV index: 9
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:30 am 8:41 pm EDT
SatJun 21.
  • 86°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph WSW
  • Humidity: 63%
  • UV index: 8
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:30 am 8:41 pm EDT
SunJun 22.
  • 90°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph W
  • Humidity: 65%
  • UV index: 8
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:30 am 8:41 pm EDT
MonJun 23.
  • 93°F
  • 72°F
Sunny
Sunny
  • Wind: 4mph WNW
  • Humidity: 61%
  • UV index: 9
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:30 am 8:41 pm EDT
TueJun 24.
  • 93°F
  • 72°F
Mostly Sunny
Mostly Sunny
  • Wind: 4mph WNW
  • Humidity: 58%
  • UV index: 9
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:31 am 8:41 pm EDT
WedJun 25.
  • 90°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 2mph NNW
  • Humidity: 63%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:31 am 8:41 pm EDT
ThuJun 26.
  • 86°F
  • 66°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 3mph SW
  • Humidity: 70%
  • UV index: 8
  • Precip. probability: 49%
  • Precipitation: 0.2"
  • 5:31 am 8:42 pm EDT
FriJun 27.
  • 79°F
  • 66°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 4mph SSW
  • Humidity: 80%
  • UV index: 8
  • Precip. probability: 56%
  • Precipitation: 0.2"
  • 5:32 am 8:42 pm EDT
SatJun 28.
  • 79°F
  • 66°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 4mph SW
  • Humidity: 82%
  • UV index: 7
  • Precip. probability: 50%
  • Precipitation: 0.31"
  • 5:32 am 8:42 pm EDT
Models point to a combination of unstable, overcast and bright weather is predicted.
Rainfall is expected on next Thursday through next Saturday.
Temperature fluctuation will be noticeable throughout the forecast window. The maximum temperature will vary between 78.8°F and 93.2°F, while the lowest night temperatures will vary also significantly, as nighttime lows are forecast to fall between 59°F and 71.6°F.
Monday and Tuesday, with the highest temperature of 93.2°F, will be the hottest days in Saint Johns; the coldest days will be Friday, next Friday and Saturday, with a maximum of 78.8°F.
Including the humidity's impact, the maximum feel-like temperature may increase considerably and range between 78.8°F and a scorching 109.4°F.
Updated: Jun 19, 2025 @ 21:01:10 UTC
Published by: Weather U.S. | About Us
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