Weather forecast for todayMount Gretna, PA

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 11:36 pm EST

  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphN 0°
  • Humidity: 78%
  • Dewpoint: 34°F
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Mount Gretna, at the moment, nothing but clear skies and excellent visibility.
The temperature is a cold 41°F. The current temperature is far from today's maximum-anticipated 62.6°F.

Sunday Oct 25, 2026

  • 63°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphW 280°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:27 am EDT
  • Sunset: 6:12 pm EDT
  • ▼
On Sunday, in Mount Gretna, sunshine will likely continue with scattered clouds at most.
A significant variation in temperature is predicted, ranging from a high of an enjoyable 62.6°F to a low of a cold 35.6°F.
The forecasted high temperature will align with October's average of 61.7°F.
Sunrise will be at 7:27 am and sunset at 6:12 pm; the daylight will last for 10h and 44min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 63°C.
Coldest hour: 7 am 34°C.

Chance of precipitation

Highest chance: 10 pm 5%.

Hourly weather forecast

  • 2 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphE 80°
  • Humidity: 85%
  • Pressure: 30.56"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 4 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphENE 67°
  • Humidity: 90%
  • Pressure: 30.53"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 6 am
  • 34°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphNE 45°
  • Humidity: 91%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:27 am
  • 8 am
  • 34°F
  • Feels like:
    34°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 0mphNE 43°
  • Humidity: 93%
  • Pressure: 30.56"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphNNE 18°
  • Humidity: 68%
  • Pressure: 30.59"Hg
  • Visibility: 9mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphWSW 255°
  • Humidity: 50%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWSW 245°
  • Humidity: 44%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphWSW 241°
  • Humidity: 44%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphWSW 239°
  • Humidity: 53%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:12 pm
  • 8 pm
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphS 186°
  • Humidity: 72%
  • Pressure: 30.45"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphSSW 198°
  • Humidity: 82%
  • Pressure: 30.42"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Today, in Mount Gretna, primarily bright and sunny weather is anticipated.
The temperature will vary between the lowest temperature of 33.8°F and the highest temperature of 62.6°F. The warmest part of the day will be at 3 pm and 4 pm.
Today, the high temperature will be close to October's average. The lowest temperature is more similar to November's average minimum of 34.9°F than the usual minimum of 46°F in October.
Updated: Oct 25, 2026 @ 04:36:36 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (11:36 pm EST) it is 41°F in Mount Gretna.

Today, conditions will remain bright with clear skies.

Today, the highest temperature will be 62.6°F, while the lowest temperature will be 35.6°F.
The highest temperature will be in line with the average maximum of 61.7°F in October. The lowest temperature today will be noticeably lower than the average low of 46°F.

On Sunday, in Mount Gretna, sunrise will be at 7:27 am and sunset at 6:12 pm (EDT).

Today, the daylight will last for 10h and 44min.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Mount Gretna, Pennsylvania, USA

  • en: Mount Gretna, Pennsylvania, USA
  • es: Mount Gretna, Pensilvania, EE.UU.
  • hr: Maunt Gretna, Pensilvanija, SAD
  • mk: Maunt Gretna, Pensilvanija, SAD
  • sr: Maunt Gretna, Pensilvanija, SAD
  • zh: Mount Gretna, 宾夕法尼亚, 美国
  • Latitude: 40.247593°
  • Longitude: -76.469410°
  • Elevation: 666 ft
  • Current time: 1:20am EDT
  • Sunrise: 7:27 am EDT
  • Sunset: 6:12 pm EDT
  • Timezone: America/New_York

Nearby Mount Gretna, Pennsylvania, USA

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