Weather forecast for tomorrow
Fullerton, PA

Weather forecast for tomorrow

Thursday, Jun 19.

PM Thunderstorms
5:29 am

8:37 pm
EDT
PM Thunderstorms
90°F / 63°F
  • Wind: 14mph SW
  • Humidity: 70%
  • Precip. probability: 70%
  • Precipitation: 0.16"
  • UV index: 9
Tomorrow, on Thursday, thunderstorms are forecasted to develop with occasional lightning.
The chance of rain is high. However, precipitation will be light. A substantial temperature range, peaking at a hot 89.6°F and bottoming out at a comfortable 62.6°F, is anticipated.
The maximum heat index, which integrates air moisture with ambient temperature, is computed to be a scorching 104°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The maximum temperature will be higher and more in tune with July's average of 83.8°F than with June's.
Sunrise will be at 5:29 am and sunset at 8:37 pm; tomorrow's daylight will last for 15h and 8min.

Frequently asked questions

What is the weather forecast for Fullerton for tomorrow?
Tomorrow, scattered thunderstorms are likely by the afternoon.
Will it rain tomorrow?
With a probability of 70%, light precipitation of 0.16" is anticipated.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 89.6°F, while the lowest temperature will be 62.6°F. The maximum heat index, which combines air temperature and relative humidity, is estimated at 104°F.
The highest temperature will be notably higher than the average maximum of 77.5°F in June. The lowest temperature will be moderately higher than the average low of 58.1°F.
What time are sunrise and sunset tomorrow?
On Thursday, in Fullerton, sunrise will be at 5:29 am and sunset at 8:37 pm (EDT).
How long will the day be tomorrow?
In Fullerton, the length of the day tomorrow will be 15h and 8min.

Hourly weather forecast

12 am
  • 72°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Wind: 3mph SW
  • Pressure: 29.85"Hg
  • Humidity: 95%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 5mi
2 am
  • 70°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Wind: 3mph SW
  • Pressure: 29.85"Hg
  • Humidity: 100%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 5mi
4 am
  • 70°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph SW
  • Pressure: 29.83"Hg
  • Humidity: 99%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 4mi
Sunrise: 5:29 am
6 am
  • 70°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph SW
  • Pressure: 29.83"Hg
  • Humidity: 100%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 4mi
8 am
  • 73°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph SW
  • Pressure: 29.83"Hg
  • Humidity: 90%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 9mi
10 am
  • 81°F
  • Feels like:
    86°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph SW
  • Pressure: 29.8"Hg
  • Humidity: 72%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 86°F
  • Feels like:
    91°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SW
  • Pressure: 29.77"Hg
  • Humidity: 60%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 88°F
  • Feels like:
    93°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph SW
  • Pressure: 29.74"Hg
  • Humidity: 55%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 84°F
  • Feels like:
    90°F
Thunderstorms
Thunderstorms
  • Wind: 11mph SW
  • Pressure: 29.74"Hg
  • Humidity: 68%
  • Precip. probability: 64%
  • Precipitation: 0.04"
  • Visibility: 6mi
6 pm
  • 81°F
  • Feels like:
    86°F
Cloudy
Cloudy
  • Wind: 12mph SW
  • Pressure: 29.71"Hg
  • Humidity: 73%
  • Precip. probability: 20%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 77°F
  • Feels like:
    81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph SW
  • Pressure: 29.71"Hg
  • Humidity: 75%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:37 pm
10 pm
  • 73°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph WSW
  • Pressure: 29.74"Hg
  • Humidity: 78%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 7mi
Tomorrow, weather will be unstable, and a combination of primarily overcast and occasionally unstable, bright and rainy weather is anticipated.
Rain is anticipated from 3 pm to 5 pm and at 7 pm. With light precipitation of 0.08", most rainfall is expected at 3 pm.
The temperature will vary between the lowest temperature of 69.8°F and the highest temperature of 87.8°F. The hottest part of the day will be at 1 pm and 2 pm.
The expected temperature aligns more with July's average high than with June's 77.5°F. The minimum temperature will be slightly warmer than June's average low of 58.1°F.
Updated: Jun 18, 2025 @ 17:10:48 UTC
Published by: Weather U.S. | About Us
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