Weather forecast for tomorrow
Tuesday, Apr 29.
6:12 am
8:05 pm
EDT
8:05 pm
EDT
Mostly Sunny
88°F / 64°F
- Wind: 12mph SSW
- Humidity: 43%
- Precip. probability: 20%
- Precipitation: 0"
- UV index: 8
Tomorrow, in Mercersburg, mostly sunny skies are expected.
Forecasted temperatures will peak at a blazing 87.8°F and dip to a minimum of an enjoyable 64.4°F.
The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at a humid 87.8°F. Note that heat index values are valued for light wind and location in the shade.
The expected high is higher and consistent with May's normal of 71.2°F rather than April's.
Sunrise will be at 6:12 am and sunset at 8:05 pm; tomorrow's daylight will last for 13h and 53min.
Forecasted temperatures will peak at a blazing 87.8°F and dip to a minimum of an enjoyable 64.4°F.
The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at a humid 87.8°F. Note that heat index values are valued for light wind and location in the shade.
The expected high is higher and consistent with May's normal of 71.2°F rather than April's.
Sunrise will be at 6:12 am and sunset at 8:05 pm; tomorrow's daylight will last for 13h and 53min.
Frequently asked questions
What is the weather forecast for Mercersburg for tomorrow?
Tomorrow, in Mercersburg, golden sunshine will carry through the day.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 87.8°F, while the minimum temperature will be 64.4°F. The maximum heat index, which combines relative humidity and air temperature, is assessed at 87.8°F.
The highest temperature will be notably higher than the average maximum of 61.2°F in April. The lowest temperature will be also notably higher than the average low of 41.5°F.
The highest temperature will be notably higher than the average maximum of 61.2°F in April. The lowest temperature will be also notably higher than the average low of 41.5°F.
What time are sunrise and sunset tomorrow?
On Tuesday, in Mercersburg, sunrise will be at 6:12 am and sunset at 8:05 pm (EDT).
How long will the day be tomorrow?
In Mercersburg, tomorrow, there will be 13h and 53min of daylight.
Hourly weather forecast
12 am
- 59°F
- Feels like:
59°F
Clear
- Wind: 6mph SSE
- Pressure: 30.24"Hg
- Humidity: 45%
- Precip. probability: 2%
- Precipitation: 0"
- Visibility: 10mi
2 am
- 57°F
- Feels like:
57°F
Clear
- Wind: 3mph S
- Pressure: 30.21"Hg
- Humidity: 49%
- Precip. probability: 3%
- Precipitation: 0"
- Visibility: 10mi
4 am
- 54°F
- Feels like:
54°F
Clear
- Wind: 4mph S
- Pressure: 30.21"Hg
- Humidity: 56%
- Precip. probability: 4%
- Precipitation: 0"
- Visibility: 10mi
6 am
- 54°F
- Feels like:
54°F
Clear
- Wind: 4mph S
- Pressure: 30.21"Hg
- Humidity: 59%
- Precip. probability: 5%
- Precipitation: 0"
- Visibility: 10mi
Sunrise: 6:12 am
8 am
- 59°F
- Feels like:
59°F
Sunny
- Wind: 4mph S
- Pressure: 30.21"Hg
- Humidity: 56%
- Precip. probability: 2%
- Precipitation: 0"
- Visibility: 10mi
10 am
- 68°F
- Feels like:
68°F
Sunny
- Wind: 7mph S
- Pressure: 30.18"Hg
- Humidity: 46%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
12 pm
- 77°F
- Feels like:
77°F
Mostly Sunny
- Wind: 9mph SSW
- Pressure: 30.12"Hg
- Humidity: 39%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
2 pm
- 84°F
- Feels like:
84°F
Mostly Cloudy
- Wind: 11mph SSW
- Pressure: 30.03"Hg
- Humidity: 36%
- Precip. probability: 2%
- Precipitation: 0"
- Visibility: 10mi
4 pm
- 86°F
- Feels like:
86°F
Mostly Cloudy
- Wind: 12mph SSW
- Pressure: 29.97"Hg
- Humidity: 36%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
6 pm
- 84°F
- Feels like:
84°F
Mostly Cloudy
- Wind: 11mph SSW
- Pressure: 29.94"Hg
- Humidity: 41%
- Precip. probability: 20%
- Precipitation: 0"
- Visibility: 10mi
8 pm
- 77°F
- Feels like:
79°F
Mostly Cloudy
- Wind: 9mph SSW
- Pressure: 29.94"Hg
- Humidity: 52%
- Precip. probability: 16%
- Precipitation: 0"
- Visibility: 10mi
Sunset: 8:05 pm
10 pm
- 73°F
- Feels like:
73°F
Mostly Cloudy
- Wind: 9mph SW
- Pressure: 29.94"Hg
- Humidity: 62%
- Precip. probability: 24%
- Precipitation: 0"
- Visibility: 10mi
Tomorrow, a combination of clear, cloudy and showery weather is forecasted.
With a 39% probability, minimal rainfall is expected around 11 pm.
The temperature will vary between the lowest temperature of 53.6°F and the highest temperature of 86°F. The hottest part of the day will be from 3 pm to 5 pm.
The expected temperature aligns more with May's average high than with April's 61.2°F. The expected low will be also more consistent with what’s common in May than the current April average of 41.5°F.
With a 39% probability, minimal rainfall is expected around 11 pm.
The temperature will vary between the lowest temperature of 53.6°F and the highest temperature of 86°F. The hottest part of the day will be from 3 pm to 5 pm.
The expected temperature aligns more with May's average high than with April's 61.2°F. The expected low will be also more consistent with what’s common in May than the current April average of 41.5°F.
Updated: Apr 28, 2025 @ 04:03:18 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate