Weather forecast for tomorrowPetrolia, PA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 66°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphNE 38°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:35 am EDT
  • Sunset: 6:32 pm EDT
  • ▼
Tomorrow, uninterrupted sunshine is anticipated.
A high of a comfortable 66.2°F during the day contrasts markedly with a low of an icy 35.6°F at night.
The forecasted temperature is slightly warmer than October's regular maximum of 59.9°F.
Sunrise will be at 7:35 am and sunset at 6:32 pm; tomorrow's daylight will last for 10h and 58min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 32°C.

Chance of precipitation

Highest chance: 3 am - 6 am 5%.

Hourly weather forecast

  • 12 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphESE 120°
  • Humidity: 82%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphESE 112°
  • Humidity: 89%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 34°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphE 101°
  • Humidity: 93%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 32°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphE 92°
  • Humidity: 92%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:35 am
  • 8 am
  • 32°F
  • Feels like:
    32°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphENE 78°
  • Humidity: 92%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 46°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphE 84°
  • Humidity: 68%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 62°
  • Humidity: 42%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 38°
  • Humidity: 30%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNNW 336°
  • Humidity: 31%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNW 315°
  • Humidity: 47%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:32 pm
  • 8 pm
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNNW 337°
  • Humidity: 59%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphN 357°
  • Humidity: 69%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, mainly sunny weather and a cloudless sky are anticipated.
The temperature will vary between a minimum of 32°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The temperature is expected to be slightly warmer than the average peak in October, which is 59.9°F. The expected low will be more close to what’s common in November than the current October average of 43.7°F.
Updated: Oct 18, 2026 @ 15:11:37 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, expect consistent sunshine and open skies.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 35.6°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 59.9°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 43.7°F.

On Monday, in Petrolia, sunrise will be at 7:35 am and sunset at 6:32 pm (EDT).

Tomorrow, the daylight will last for 10h and 58min.