Weather forecast for tomorrow
Frederick, PA

Weather forecast for tomorrow

Wednesday, Jun 18.

PM Thunderstorms
5:30 am

8:36 pm
EDT
PM Thunderstorms
84°F / 68°F
  • Wind: 5mph SSW
  • Humidity: 83%
  • Precip. probability: 49%
  • Precipitation: 0.24"
  • UV index: 7
Tomorrow, on Wednesday, showers and thunder will dominate the later part of the day.
The chance of rainfall is low, and light precipitation is predicted. Temperature span will be from a high of a moderately hot 84.2°F to a low of a pleasant 68°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at a very hot 95°F. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Today’s forecasted high is set to be slightly warmer than June's regular high of 78.8°F.
Sunrise will be at 5:30 am and sunset at 8:36 pm; tomorrow's daylight will last for 15h and 6min.

Frequently asked questions

What is the weather forecast for Frederick for tomorrow?
On Wednesday, cloud build-up may lead to afternoon thunderstorms.
Will it rain tomorrow?
Light precipitation of 0.24" is anticipated. The possibility of rainfall is 49%.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 84.2°F, while the lowest temperature will be 68°F. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is estimated at 95°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 78.8°F in June. The lowest temperature will be also slightly warmer than the average low of 59.5°F.
When are sunrise and sunset tomorrow?
On Wednesday, in Frederick, sunrise will be at 5:30 am and sunset at 8:36 pm (EDT).
How long will the day be tomorrow?
In Frederick, tomorrow, there will be 15h and 6min of daylight.

Hourly weather forecast

12 am
  • 70°F
  • Feels like:
    70°F
Cloudy
Cloudy
  • Wind: 2mph SSE
  • Pressure: 29.94"Hg
  • Humidity: 93%
  • Precip. probability: 21%
  • Precipitation: 0"
  • Visibility: 4mi
2 am
  • 68°F
  • Feels like:
    70°F
Few Showers
Few Showers
  • Wind: 2mph S
  • Pressure: 29.91"Hg
  • Humidity: 95%
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Visibility: 4mi
4 am
  • 68°F
  • Feels like:
    70°F
Showers
Showers
  • Wind: 2mph S
  • Pressure: 29.91"Hg
  • Humidity: 95%
  • Precip. probability: 35%
  • Precipitation: 0.04"
  • Visibility: 1mi
Sunrise: 5:30 am
6 am
  • 68°F
  • Feels like:
    70°F
Showers
Showers
  • Wind: 1mph SSE
  • Pressure: 29.91"Hg
  • Humidity: 99%
  • Precip. probability: 38%
  • Precipitation: 0.04"
  • Visibility: 1mi
8 am
  • 70°F
  • Feels like:
    73°F
Cloudy
Cloudy
  • Wind: 2mph S
  • Pressure: 29.91"Hg
  • Humidity: 94%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 1mi
10 am
  • 73°F
  • Feels like:
    77°F
Cloudy
Cloudy
  • Wind: 2mph S
  • Pressure: 29.91"Hg
  • Humidity: 89%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 4mi
12 pm
  • 77°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 3mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 82%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 8mi
2 pm
  • 82°F
  • Feels like:
    88°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 4mph SW
  • Pressure: 29.85"Hg
  • Humidity: 76%
  • Precip. probability: 43%
  • Precipitation: 0.08"
  • Visibility: 7mi
4 pm
  • 82°F
  • Feels like:
    90°F
Showers
Showers
  • Wind: 5mph SW
  • Pressure: 29.83"Hg
  • Humidity: 73%
  • Precip. probability: 50%
  • Precipitation: 0.04"
  • Visibility: 7mi
6 pm
  • 82°F
  • Feels like:
    88°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph WSW
  • Pressure: 29.83"Hg
  • Humidity: 75%
  • Precip. probability: 22%
  • Precipitation: 0"
  • Visibility: 9mi
8 pm
  • 81°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 2mph SW
  • Pressure: 29.83"Hg
  • Humidity: 78%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 9mi
Sunset: 8:36 pm
10 pm
  • 73°F
  • Feels like:
    77°F
Mostly Clear
Mostly Clear
  • Wind: 1mph SW
  • Pressure: 29.85"Hg
  • Humidity: 90%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 7mi
Tomorrow, on Wednesday, weather will be unstable, and a mix of gloomy, rainy, unstable and low-visibility weather is predicted.
Rainfall is forecasted at 1 am, 2 am, 4 am, 6 am, and from 1 pm to 5 pm. With light precipitation of 0.08", the most intense rain will be falling at 2 pm, 3 pm and 5 pm.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 82.4°F. The feels-like temperature will vary between a minimum of 68°F and a maximum of 89.6°F. The warmest part of the day will be from 2 pm to 6 pm.
The temperature is expected to be relatively higher than the average peak in June, which is 78.8°F. The expected low will be more comparable to what’s common in July than the current June average of 59.5°F.
Updated: Jun 17, 2025 @ 22:38:36 UTC
Published by: Weather U.S. | About Us
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