Weather forecast for tomorrow
Saint Peters, PA

Weather forecast for tomorrow

Friday, Apr 18.

Mostly Sunny
6:18 am

7:46 pm
EDT
Mostly Sunny
73°F / 59°F
  • Wind: 14mph S
  • Humidity: 43%
  • Precip. probability: 2%
  • Precipitation: 0"
  • UV index: 7
Tomorrow, on Friday, April 18, mainly sunny conditions will dominate the day.
A temperature range of a moderately hot 73.4°F to a mild 59°F is forecasted.
The day’s maximum of 73.4°F shows a shift toward May's pattern over April's.
Sunrise will be at 6:18 am and sunset at 7:46 pm; tomorrow's daylight will last for 13h and 28min.

Frequently asked questions

What is the weather forecast for Saint Peters for tomorrow?
On Friday, mostly sunny and dry conditions will continue.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature in Saint Peters will be 73.4°F, while the minimum temperature will be 59°F.
The highest temperature will be uncommonly higher than the average maximum of 59.7°F in April. The lowest temperature will be also significantly higher than the average low of 42.1°F.
When is the sunrise / sunset tomorrow?
On Friday, in Saint Peters, sunrise will be at 6:18 am and sunset at 7:46 pm (EDT).
How many hours of daylight will Saint Peters have tomorrow?
Tomorrow, the daylight will last for 13h and 28min.

Hourly weather forecast

12 am
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Wind: 2mph SW
  • Pressure: 30.24"Hg
  • Humidity: 48%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Wind: 2mph WSW
  • Pressure: 30.24"Hg
  • Humidity: 54%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Wind: 2mph SW
  • Pressure: 30.27"Hg
  • Humidity: 58%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
6 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Wind: 2mph SSW
  • Pressure: 30.27"Hg
  • Humidity: 63%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 6:18 am
8 am
  • 46°F
  • Feels like:
    45°F
Mostly Sunny
Mostly Sunny
  • Wind: 3mph S
  • Pressure: 30.3"Hg
  • Humidity: 63%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Wind: 7mph S
  • Pressure: 30.27"Hg
  • Humidity: 49%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 64°F
  • Feels like:
    64°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph S
  • Pressure: 30.24"Hg
  • Humidity: 38%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 70°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph S
  • Pressure: 30.18"Hg
  • Humidity: 32%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph SSW
  • Pressure: 30.12"Hg
  • Humidity: 31%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph S
  • Pressure: 30.09"Hg
  • Humidity: 36%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 7:46 pm
8 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph S
  • Pressure: 30.06"Hg
  • Humidity: 46%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
10 pm
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph S
  • Pressure: 30.06"Hg
  • Humidity: 51%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, on Friday, a combination of mostly clear and dull weather is anticipated.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 71.6°F. The warmest part of the day will be from 3 pm to 5 pm.
The temperature will be more consistent with what’s typical for May than the usual maximum in April. Forecast models suggest a low also more in line with May's typical minimum of 51.8°F than April's usual 42.1°F.
Updated: Apr 17, 2025 @ 15:32:59 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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