Weather forecast for todayMercersburg, PA
Weather forecast for today
Current condition 3:08 pm EDT
- 55°F
- Feels like:54°F
Sunny
- Precipitation: 0"
- Wind: 13mphNNW 340°
- Humidity: 35%
- Dewpoint: 28°F
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
Currently, sunlight is abundant, and the weather remains pleasant.
The temperature is a moderate 55.4°F, and the feels-like temperature is almost the same at 53.6°F. The current temperature is nearly at the maximum of today's expected 57.2°F.
The temperature is a moderate 55.4°F, and the feels-like temperature is almost the same at 53.6°F. The current temperature is nearly at the maximum of today's expected 57.2°F.
Saturday Oct 17, 2026
- 57°F
- 36°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphNNW 348°
- Humidity: 36%
- UV index: 3
- Sunrise: 7:24 am EDT
- Sunset: 6:29 pm EDT
- details ▼
Today, sunny skies are in store, with excellent visibility.
The maximum temperature will be a mild 57.2°F, while the minimum temperature will be a cold 35.6°F.
The forecasted high for today is forecasted to be relatively lower than the typical October maximum of 63.3°F.
Sunrise was at 7:24 am and sunset will be at 6:29 pm; the daylight will last for 11h and 5min.
The maximum temperature will be a mild 57.2°F, while the minimum temperature will be a cold 35.6°F.
The forecasted high for today is forecasted to be relatively lower than the typical October maximum of 63.3°F.
Sunrise was at 7:24 am and sunset will be at 6:29 pm; the daylight will last for 11h and 5min.
Hourly overview
Hourly temperatures
Warmest period: 4 pm - 5 pm 55°C.
Coldest period: 11 pm - 12 am 43°C.
Coldest period: 11 pm - 12 am 43°C.
Chance of precipitation
Highest chance: 4 pm - 12 am 0%.
Hourly weather forecast
- 4 pm
- 55°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphNNW 346°
- Humidity: 33%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 5 pm
- 55°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphNNW 348°
- Humidity: 35%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 52°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphNNW 347°
- Humidity: 38%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:29 pm
- 7 pm
- 48°F
- Feels like:46°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNW 340°
- Humidity: 44%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 338°
- Humidity: 46%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 46°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 341°
- Humidity: 51%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNNW 337°
- Humidity: 54%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 43°F
- Feels like:41°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNW 335°
- Humidity: 58%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 12 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNNW 337°
- Humidity: 61%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 1 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNNW 340°
- Humidity: 63%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
For the rest of Saturday, mostly cloudless and sunny weather is anticipated.
The temperature will be between a maximum of 55.4°F and a minimum of 42.8°F. The warmest part of the day will be at 4 pm and 5 pm.
The temperature is expected to be a couple of degrees lower than the average peak in October, which is 63.3°F. Today, expect the temperature to be more consistent with the typical minimum for November than for October.
The temperature will be between a maximum of 55.4°F and a minimum of 42.8°F. The warmest part of the day will be at 4 pm and 5 pm.
The temperature is expected to be a couple of degrees lower than the average peak in October, which is 63.3°F. Today, expect the temperature to be more consistent with the typical minimum for November than for October.
Updated: Oct 17, 2026 @ 19:08:12 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
Frequently asked questions
Currently (3:08 pm EDT) it is 55.4°F in Mercersburg.
Today, in Mercersburg, expect consistent sunshine and open skies.
Today, the maximum temperature will be 57.2°F, while the minimum temperature will be 35.6°F.
The maximum temperature will be slightly cooler than the average highest temperature of 63.3°F in October. Today, the lowest temperature will be notably lower than the average low of 45.5°F.
The maximum temperature will be slightly cooler than the average highest temperature of 63.3°F in October. Today, the lowest temperature will be notably lower than the average low of 45.5°F.
On Saturday, in Mercersburg, sunrise was at 7:24 am and sunset will be at 6:29 pm (EDT).
In Mercersburg, the length of the day today will be 11h and 5min.
Mercersburg, Pennsylvania, USA
- en: Mercersburg, Pennsylvania, USA
- es: Mercersburg, Pensilvania, EE.UU.
- hr: Mersersberg, Pensilvanija, SAD
- mk: Mersersberg, Pensilvanija, SAD
- sr: Mersersberg, Pensilvanija, SAD
- zh: 默瑟斯堡, 宾夕法尼亚, 美国
- Latitude: 39.827870°
- Longitude: -77.903331°
- Elevation: 581 ft
- Current time: 3:18pm EDT
- Sunrise: 7:24 am EDT
- Sunset: 6:29 pm EDT
- Timezone: America/New_York
Nearby Mercersburg, Pennsylvania, USA
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